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Dyson Technology Limited patents


Recent patent applications related to Dyson Technology Limited. Dyson Technology Limited is listed as an Agent/Assignee. Note: Dyson Technology Limited may have other listings under different names/spellings. We're not affiliated with Dyson Technology Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dyson Technology Limited-related inventors


Dental treatment appliance

A dental treatment appliance includes a handle, a nozzle for engaging the teeth of the user and for delivering a burst of working fluid to the teeth of a user, and a datum component also for engaging the teeth of the user. Each of the nozzle and the datum component is moveable relative to the handle. ... Dyson Technology Limited

Battery charger

A battery charger comprising input terminals for connection to an ac source, output terminals for connection to a battery to be charged, and a power factor correction (pfc) circuit connected between the input terminals and the output terminals. The pfc circuit comprises a current control loop for regulating an input current drawn from the ac source. ... Dyson Technology Limited

Battery charger

A battery charger comprising input terminals for connection to an ac source supplying an alternating input voltage, output terminals for connection to a battery to be charged, and a power factor correction (pfc) circuit connected between the input terminals and the output terminals. The battery charger monitors the voltage of the battery and operates in a first mode when the voltage is below a threshold. ... Dyson Technology Limited

Magnet

Magnets and systems, methods, and techniques for manufacturing magnets are provided. In some embodiments, methods of manufacturing magnets comprise providing a rare earth magnetic body, cold spray depositing a layer of dysprosium or terbium onto the magnetic body to form a magnet, and heat-treating the magnet. ... Dyson Technology Limited

Vacuum cleaner having a dual power supply

A vacuum cleaner comprising a vacuum motor and a power supply. The power supply comprises input terminals for connection to an ac source, output terminals connected to the vacuum motor, an ac-to-dc stage, and a battery. ... Dyson Technology Limited

Cyclonic separator

A cyclonic separator comprising a cyclone chamber defined between an outer wall and a shroud. The shroud comprises an inlet opening through which fluid enters the cyclone chamber, and a plurality of perforations through which fluid exits the cyclone chamber. ... Dyson Technology Limited

Battery charger

A battery charger comprising input terminals for connection to an ac source supplying an alternating input voltage, output terminals for connection to a battery to be charged, and a pfc circuit connected between the input terminals and the output terminals. The power factor correction (pfc) circuit regulates an input current drawn from the ac source such that the input current has a waveform selected from a sine wave with third harmonic injection, a clipped sine wave and a trapezoidal wave. ... Dyson Technology Limited

Magnet

Magnets and systems, methods, and techniques for manufacturing magnets are provided. In some embodiments, methods of manufacturing magnets comprise providing a rare earth magnetic body depositing a bead of dysprosium or terbium metal onto a part of the magnetic body to form a magnet; and heat-treating the magnet. ... Dyson Technology Limited

Separating apparatus

A regenerative filter having a length of filter material, first and second perforated filter supports, a filter regenerator, and an intermediate duct, a first end of the filter material being wound around the first perforated filter support to form a first scroll type filter through which air to be filtered can pass, a second end of the filter material being wound around the second perforated filter support to form a second scroll type filter through which air to be filtered can pass, the filter material is movable in both directions between the first and second perforated filter supports by passing a single layer of filter material through the filter regenerator as it moves between them, the intermediate duct being arranged to take airflow which has passed through the first scroll type filter to the second scroll type filter for filtration during use of the regenerative filter.. . ... Dyson Technology Limited

Hand held appliance

A hand held appliance comprising a handle having a fluid inlet at a first end, the fluid inlet comprising an external grille and a filter wherein the external grille is retained with respect to the filter by an attachment mechanism which comprises a first pair of connectors and a second pair of connectors wherein the first pair of connectors and the second pair of connectors are spaced apart and different. The first pair of connectors and the second pair of connectors may have different functions. ... Dyson Technology Limited

Separating apparatus

The present invention relates to a surface treating appliance comprising, a regenerative filter having at least one filter, the regenerative filter being removably mounted to the surface treating appliance, the at least one filter being movable from a filtration zone to a regeneration zone, the filtration zone being spaced from the regeneration zone, and a control mechanism for moving the at least one filter between the regeneration zone and the filtration zone in response to the regenerative filter being removed from or mounted onto the surface treating appliance.. . ... Dyson Technology Limited

Cleaner head for a vacuum cleaner

A cleaner head for a vacuum cleaner that comprises a pair of rotary agitators and one or more wheels. The agitators rotate in opposite directions, and the wheels are moveable between a deployed position and a retracted position. ... Dyson Technology Limited

Separating apparatus

The present invention relates to a regenerative filter comprising, a length of material having a first support tail and a filter portion, a first end of the material being wound around a first perforated support to form a first scroll type filter through which air to be filtered can pass, and a second end of the material being fixed to a filter support, the regenerative filter being arranged such that the material is movable in both directions between the first perforated support and the filter support, passing through a filter regenerator generator as it moves between them, the first end of the material forms the first support tail which extends from the first perforated support to at least the filter regenerator when the material is unwound from the first perforated support, the first support tail having a more open structure than the structure of the filter portion.. . ... Dyson Technology Limited

Separating apparatus

The present invention relates to an appliance comprising, a regenerative filter for filtering a fluid flow, having at least one filter, a filter regenerator for regenerating the regenerative filter, a turbine for driving the filter regenerator, the turbine being driven by the fluid flow passing through the appliance during its use.. . ... Dyson Technology Limited

06/28/18 / #20180178154

Separating apparatus

A regenerative filter comprising at least one filter having a plurality of layers of filter material, the filter having a filtering configuration where the plurality of layers of filter material are held together so that they are fixed relative to each other, and a regeneration configuration where the layers of filter material are held together at at least one point, such that one of the plurality of layers of filter material can be spaced from the other layers for regeneration, the filter being movable from a filtration zone, where the first filter is in its filtering configuration, to a regeneration zone which is spaced from the filtration zone and where the first filter is in its regeneration configuration, and a filter regenerator arranged to move at least a portion of at least one layer of filter material when the filter is housed in the regeneration zone.. . ... Dyson Technology Limited

06/28/18 / #20180177370

Separating apparatus

The present invention relates to a surface cleaning apparatus comprising a regenerative filter having at least one filter, the at least one filter comprising a plurality of layers of filter material, the filter having a first filtering configuration where the plurality of layers are held together such that air to be cleaned can pass through the plurality of layers of filter media during use of the surface treating apparatus, and a second regeneration configuration wherein at least a portion of one of the plurality of layers of filter material is spaced from the remainder of the layers of filter material for regeneration, and a filter regenerator for regenerating the filter material.. . ... Dyson Technology Limited

06/21/18 / #20180172018

Rotor assembly

A rotor assembly that includes a shaft and an impeller and/or a rotor core. The shaft is secured within a bore in the impeller and/or the rotor core by an adhesive such that the concentricity of the shaft is smaller than that of the bore. ... Dyson Technology Limited

06/21/18 / #20180172013

Motor and a handheld product having a motor

A motor comprising a frame for supporting a rotor assembly and a stator assembly, the frame comprising an inner wall and an outer wall and a plurality of diffuser vanes extending between the inner wall and outer wall; a rotor assembly comprising a shaft, a magnet, a bearing assembly and an impeller; and a stator assembly comprising a bobbin, a stator core and a winding wound round the bobbin; the impeller comprising a metal hub and an outer portion, the outer portion comprising a plurality of blades and being formed of plastic or carbon fibre composite.. . ... Dyson Technology Limited

05/10/18 / #20180125624

Cleaning appliance

A dental cleaning appliance includes a handle and a fluid delivery system. The fluid delivery system includes a nozzle for delivering a burst of working fluid to the teeth of a user. ... Dyson Technology Limited

05/10/18 / #20180125621

Cleaning appliance

A dental cleaning appliance includes a handle and a fluid delivery system. The fluid delivery system includes a nozzle for delivering a burst of working fluid to the teeth of a user. ... Dyson Technology Limited

05/10/18 / #20180125221

Cleaning appliance

A fluid delivery system of a dental cleaning appliance includes a pump for drawing a working fluid through a fluid inlet, a hydraulic actuator for receiving working fluid from the pump, a drive for actuating the pump, and a nozzle having a fluid outlet for ejecting working fluid from the appliance. The drive includes a motor and a control circuit for operating the motor. ... Dyson Technology Limited

05/03/18 / #20180116774

Cleaning appliance

A dental cleaning appliance includes a nozzle having a fluid chamber, a fluid outlet and a channel extending between the fluid chamber and the fluid outlet. A water reservoir provides water to a pump for generating a burst of pressurized water, which is supplied to the nozzle by a fluid conduit. ... Dyson Technology Limited

05/03/18 / #20180116390

Cleaning appliance

A fluid delivery system for a dental cleaning appliance includes a nozzle for delivering a burst of working fluid to the teeth of a user, and a fluid conduit for conveying working fluid to the nozzle. A body of the nozzle defines a fluid chamber and a channel for conveying working fluid from the fluid chamber to a fluid outlet from the nozzle. ... Dyson Technology Limited

03/29/18 / #20180085207

Cleaning appliance

A pump assembly for a dental cleaning appliance includes a fluid chamber, a piston, and a drive. The drive rotates a coupling member having two angularly opposed pins. ... Dyson Technology Limited

03/29/18 / #20180084898

Cleaning appliance

A pump assembly for a dental cleaning appliance includes a fluid chamber, a piston, and a drive. Magnets, connected respectively to the piston and the drive, enable the drive to couple to the piston and move it within the fluid chamber to draw fluid into the fluid chamber. ... Dyson Technology Limited

03/15/18 / #20180076591

Hand held appliance

A housing and a power cable for supplying power to components within the housing wherein the power cable is attached to the appliance via a rotatable connection, the rotatable connection comprising a male connector having two longitudinally spaced connectors separated by a separator and a female connector comprising two longitudinally spaced receptacles. The two longitudinally spaced receptacles may be substantially identical and may be shaped to receive the longitudinally spaced connectors and may have a base portion and two upstanding portions forming a u-shape. ... Dyson Technology Limited

03/01/18 / #20180055212

Cleaning appliance

A dental cleaning appliance includes a handle, and a cleaning tool detachably connected to the handle. The cleaning tool includes a nozzle for delivering a burst of working fluid to the teeth of a user, a stem extending between the handle and the nozzle, and a fluid reservoir for storing working fluid. ... Dyson Technology Limited

03/01/18 / #20180055187

Handheld appliance

A hand held appliance includes a handle having an outer wall and an inner wall and a motor housed within a housing in the inner wall wherein between the motor and the housing a motor mount is provided, the motor mount comprising a flexible sleeve extending around the motor and including a plurality of discrete projections arranged in a row radially around the motor mount and extending towards the housing wherein the housing comprises two annular seats for supporting the motor mount within the housing and wherein the housing includes a recess extending radially around an inner surface of the inner wall for receiving the plurality of discrete projections. A second row of discrete projections may extend radially around the motor mount and the housing includes a second recess extending radially around an inner surface of the inner wall for receiving the second row of discrete projections.. ... Dyson Technology Limited

03/01/18 / #20180055184

Handheld appliance

A handheld appliance having a body and an attachment, the body including an outer tube and fluid flow path extending from a fluid inlet to a fluid outlet within the outer tube and a printed circuit board (pcb) arranged within the fluid flow path wherein, the pcb is housed within a housing. The body may further include an inner wall and the inner wall provides the housing for the pcb and the fluid flow path may extend around the housing. ... Dyson Technology Limited

03/01/18 / #20180055183

Handheld appliance

A handheld appliance includes a user operable button, a switch and an actuator including an arm extending between the button and the switch wherein the button has three linearly spaced positions each position corresponding to a different state for the switch. The arm may include a surface adapted to engage with the switch. ... Dyson Technology Limited

03/01/18 / #20180055182

Hand held appliance

A handheld appliance having a body and an attachment, the body includes an attachment mechanism having a slot and an actuator, the attachment including a protrusion adapted to engage with the slot wherein the actuator has a first position and a second position and the actuator is moved from the first position towards the second position as the protrusion engages with the slot. In the first position the actuator may at least partially obscures the slot. ... Dyson Technology Limited

03/01/18 / #20180055181

Hand held appliance

A hand held appliance includes a handle having an outer wall and an inner wall, a motor and a heater both housed within the inner wall, a wiring assembly including a power supply for the motor and a power supply for the heater wherein the power supply for the motor is substantially diametrically opposite the power supply for the heater within the handle. The power supply for the motor may be substantially diametrically opposite the power supply for the heater when the wiring assembly extends passed the motor. ... Dyson Technology Limited

03/01/18 / #20180055177

Hand held appliance

A hand held appliance includes a handle and a user interface comprising at least one user operated button wherein the handle has an elliptical cross section having a major axis and a minor axis wherein the user interface is provided on a first vertex of the major axis and the handle additionally comprises a further user operated button and the further user operated button is provided on a second vertex of the major axis. The appliance may further include an attachment for connection to the handle wherein the further user operated button operates a mechanism for removing the attachment from the handle. ... Dyson Technology Limited

01/18/18 / #20180014708

Tool for a vacuum cleaner

A vacuum cleaner flexible duct. The flexible duct includes a helical frame and a helical strip. ... Dyson Technology Limited

01/18/18 / #20180014707

Tool for a vacuum cleaner

A vacuum cleaner flexible duct. The flexible duct includes a helical frame and a helical strip. ... Dyson Technology Limited

01/18/18 / #20180014706

Tool for a vacuum cleaner

A vacuum cleaner flexible duct. The flexible duct includes a helical frame and a helical strip. ... Dyson Technology Limited

01/11/18 / #20180008110

Vacuum cleaner

A vacuum cleaner comprising a cyclonic separating apparatus including a dirty air inlet, a main body connected to the cyclonic separating apparatus and a motor and fan unit for generating an airflow through the cyclonic separating apparatus from the dirty air inlet to a clean air outlet, wherein the cyclonic separating apparatus includes at least a first cyclonic cleaning stage and an elongate filter arranged fluidly downstream from the first cyclonic cleaning stage, the elongate filter being housed in a duct at least partially surrounded by the first cleaning stage, and wherein the filter comprises an inlet portion and a filter portion defining a generally tubular filter chamber, the inlet portion including one or more radially facing inlets to permit air to flow into the inlet portion in a radial direction from where the air flows from the inlet portion to the filter chamber in an axial direction.. . ... Dyson Technology Limited

01/04/18 / #20180004219

Apparatus for guiding an autonomous vehicle towards a docking station

An apparatus for guiding an autonomous vehicle towards a docking station including an autonomous vehicle with a camera-based sensing system, a drive system for driving the autonomous vehicle, and a control system for controlling the drive system. The apparatus includes a docking station including a first fiducial marker and a second fiducial marker, wherein the second fiducial marker is positioned on the docking station to define a predetermined relative spacing with the first fiducial marker, wherein the control system is operable to receive an image provided by the camera-based sensing system, the image including a representation of the first and second fiducial markers, and to control the drive system so as to guide the autonomous vehicle towards the base station based on a difference between the representation of the first and second fiducial markers in the received image and the predetermined relative spacing between the first and second fiducial markers.. ... Dyson Technology Limited

01/04/18 / #20180000298

Vacuum cleaner and suction wand therefor

An upright vacuum cleaner has a handle by which it can be manoeuvred across a floor in a floor cleaning mode, the handle being part of a releasable suction wand which can be used in an above-floor cleaning mode. The suction wand has a first section which comprises the handle, a second section, and a third section which comprises a suction nozzle. ... Dyson Technology Limited

12/07/17 / #20170353069

Rotor for an electrical machine

A rotor that includes a rotor core assembly secured to a shaft. The rotor core assembly includes a magnet and an end cap secured to an end of the magnet. ... Dyson Technology Limited

12/07/17 / #20170350416

Fan assembly

A fan assembly includes a base and a body mounted on the base for movement relative thereto between an untilted position and a tilted position. The fan assembly also includes an air outlet and an interior passage for conveying air to the air outlet, and which extends about an opening through which air from outside the fan assembly is drawn by air emitted from the air outlet. ... Dyson Technology Limited

11/30/17 / #20170340180

Cleaner head for a vacuum cleaner

A cleaner head for a vacuum cleaner including an agitator in the form of a brush bar, the brush bar including a plurality of radially extending bristles and a sealing material disposed between the bristles. The sealing material extends over substantially the entire circumferential and axial extent of the regions of the brush bar between the bristles. ... Dyson Technology Limited

11/09/17 / #20170321915

Humidifying apparatus

A humidifying apparatus includes a nozzle and a base on which the nozzle is mounted. The nozzle has respective first and second air inlets, air outlets and interior passages for conveying air therefrom and thereto. ... Dyson Technology Limited

10/26/17 / #20170310256

Method of controlling a brushless permanent-magnet motor

A method of controlling a brushless permanent-magnet motor that includes sequentially exciting and freewheeling a phase winding of the motor is provided. The phase winding is freewheeled when the phase current exceeds an upper threshold. ... Dyson Technology Limited

10/26/17 / #20170310255

Method of determining the rotor position of a permanent-magnet motor

A method of determining the position of a rotor of a brushless permanent-magnet motor is provided. The phase winding is freewheeled when a phase current exceeds an upper threshold. ... Dyson Technology Limited

10/26/17 / #20170310249

Method for controlling an electric motor

A method is described for controlling an electric motor having a rotor. The method is carried out after a shutdown of the motor has been initiated. ... Dyson Technology Limited

10/12/17 / #20170290484

Wand and hose assembly for a vacuum cleaner

A wand and hose assembly for a vacuum cleaner includes a suction wand fluidly connected to the end of a suction hose by a duct and the duct incorporates an articulating joint for allowing articulated movement of the suction wand relative to the end of the suction hose. The wand and the duct are arranged for telescopic sliding movement relative to one another, and the articulating joint is moveable into a position in which the wand can slide telescopically through the duct for retraction into the suction hose.. ... Dyson Technology Limited

10/12/17 / #20170290483

Cleaner head for a vacuum cleaner

A cleaner head for a vacuum cleaner includes a body that defines a suction chamber, the suction chamber having a suction inlet for engaging a surface to be cleaned, and an outlet for fluid connection to a suction generator of a vacuum cleaner. The cleaner head further includes first and second brush bars each configured to contact a surface engaged by the suction inlet, and a drive mechanism which has an actuator. ... Dyson Technology Limited

10/05/17 / #20170285651

Mobile robot

A mobile robot including: a vision system, the vision system comprising a camera and at least one light source arranged to provide a level of illumination to an area surrounding the mobile robot; wherein the at least one light source is arranged on the mobile robot to emit a cone of light that illuminates an area to a side of the robot that is orthogonal to a forward direction of travel of the robot.. . ... Dyson Technology Limited

10/05/17 / #20170280948

Hand dryer

The invention relates to a wall-mountable hand dryer of the type which uses an air-knife to wipe the water from a user's hand. In accordance with the invention, the hand dryer is configured to have a maximum depth, front-to-back, of less than 150 mm when it is surface-mounted on—not recessed within—the wall. ... Dyson Technology Limited

10/05/17 / #20170280848

Hand held appliance

A hair care appliance comprising a body, a fluid flow path extending through the body from a fluid inlet to a fluid outlet and a pcb extending about the fluid flow path. The pcb may be annular. ... Dyson Technology Limited

09/28/17 / #20170273431

Attachment for a handheld appliance

An attachment including an air inlet for receiving airflow from a hair styling apparatus, at least one air outlet, a chamber for conveying air from the air inlet to said at least one air outlet, wherein the air inlet is located at one end of the chamber, and the at least one air outlet extends along the length of the chamber and the cross-sectional area of the chamber decreases in size from the air inlet along the length of the at least one air outlet.. . ... Dyson Technology Limited

09/28/17 / #20170273430

Attachment for a handheld appliance

An attachment including a casing having an air inlet for receiving airflow from a hair styling apparatus, a hair engaging member supported by the casing, a first airflow outlet between the casing and the hair engaging member, a second airflow outlet, spaced from the first airflow outlet, between the casing and the hair engaging member and internal airflow directing means positioned within the casing to direct air towards the first airflow outlet and the second airflow outlet.. . ... Dyson Technology Limited

09/28/17 / #20170273429

Attachment for a handheld appliance

An attachment includes a casing having an air inlet for receiving airflow from a hair styling apparatus, a hair engaging member supported by the casing, an airflow outlet between the casing and the hair engaging member and shaped to direct air over an external surface of the hair engaging member and airflow guiding means extending over the external surface of the hair engaging member.. . ... Dyson Technology Limited

09/28/17 / #20170273428

Attachment for a handheld appliance

An attachment including a casing having an air inlet for receiving an airflow from a hair styling apparatus, a hair engaging member, supported by the casing, and adapted to move relative to the casing between a first position and a second position under the action of an over-centre mechanism. First and second airflow outlets are formed between the casing and the hair engaging member when the hair engaging member is in the first and second position, respectively.. ... Dyson Technology Limited

09/28/17 / #20170273426

Attachment for a handheld appliance

An attachment including an air inlet for receiving airflow from a hair styling apparatus, an air outlet, a duct for conveying air from the air inlet to the air outlet, wherein the air inlet is located at one end of the duct, and the air outlet extends along the length of the duct and the cross-sectional area of the duct decreases in size from the air inlet along the length of the air outlet.. . ... Dyson Technology Limited

09/28/17 / #20170273425

Attachment for a handheld appliance

An attachment including a duct having an air inlet for receiving an airflow from a hair styling apparatus, at least one vane located within the duct for directing the airflow towards an air outlet and the air outlet is elongate in shape and orientated generally parallel to the direction of airflow at the air inlet.. . ... Dyson Technology Limited

09/28/17 / #20170273423

Attachment for a hand held appliance

An attachment for a hair care appliance includes a body having a fluid inlet, a fluid outlet, a fluid flow path extending between the fluid inlet and the fluid outlet, a first vane and a second vane for directing fluid within the fluid flow path towards the fluid outlet wherein the body comprises at least two extended plates and the fluid outlet comprises a slot defined by an overlap between the at least two extended plates wherein the first vane and the second vane are curved and positioned within the overlap between the at least two extended plates wherein the first vane and the second vanes curve in opposite directions. The fluid inlet may have a first cross sectional area, the body includes an outer wall that has a second cross sectional area, and wherein the second cross sectional area is greater than the first cross sectional area.. ... Dyson Technology Limited

09/28/17 / #20170273422

Attachment for a hand held appliance

An attachment for a hair care appliance includes a body having a fluid inlet, a fluid outlet, a fluid flow path extending between the inlet and outlet and at least one vane for directing fluid within the fluid flow path towards the fluid outlet, wherein the body includes at least two extended plates and the fluid outlet includes a slot defined by an overlap between the at least two extended plates, and wherein the at least one vane is positioned within the overlap between the at least two extended plates. The body may be elongate, may have a first end including the fluid inlet, and may extend along an axis. ... Dyson Technology Limited

09/28/17 / #20170273421

Attachment for a hand held appliance

An attachment for a hair care appliance includes an elongate body having a first end and a second end, a fluid inlet at the first end, a fluid outlet and a fluid flow path extending between the fluid inlet and the fluid outlet wherein the diameter at the first end is larger than the diameter at the second end and the fluid outlet extends from the first end to the second end. The elongate body may converge from the first end towards the second end. ... Dyson Technology Limited

09/21/17 / #20170265698

Vacuum cleaner having a filter assembly

A vacuum cleaner that includes a suction motor and a filter assembly. The filter assembly surrounds at least part of the suction motor and has a frame to which a filter medium is attached. ... Dyson Technology Limited

09/21/17 / #20170265615

Hand held appliance

A hand held appliance, such as a hairdryer, includes a body, a fluid flow path extending through the body in an axial direction from a first fluid inlet through which a first fluid flow enters the appliance to a first fluid outlet for emitting the first fluid flow from the appliance, a primary fluid flow path extending from a second fluid inlet through which a primary fluid flow enters the appliance to a second fluid outlet, a section of the primary fluid flow path extending through the body in the axial direction and surrounding the fluid flow path, and a heater located within the section of the primary fluid flow path for heating fluid passing through the primary fluid flow path, and wherein the heater has a length extending in the axial direction.. . ... Dyson Technology Limited

08/17/17 / #20170237072

Magnesium salts

Described is a salt of the general formula: mg2+(lx)6(pf6)2 wherein each l is a ligand selected from dichloromethane, a cyclic ether, or a nitrile of the general formula r—c≡n. The method of making the salt comprises the steps: providing mg metal, activating the mg metal in a first dry solution comprising a first ligand solution (l1), treating the dry solution of activated mg metal and l1 with nopf6 in a second dry solution comprising a second ligand solution (l2), heating the treated mg metal solution removing residual solvent under vacuum, and recrystallizing the remaining solid to form the salt wherein lx comprises a mixture of l1 and l2. ... Dyson Technology Limited

08/17/17 / #20170231449

Cleaner head for a vacuum cleaner

A cleaner head for a vacuum cleaner having a suction inlet, a front blade and a rear blade. The front blade is located forward of or at the front of the suction inlet and is arranged to pivot about a first axis. ... Dyson Technology Limited

07/27/17 / #20170209875

Cyclonic separation apparatus

A cyclonic separation apparatus includes an outer wall, an inner wall and a cyclonic chamber defined between the outer wall and inner wall. A section of the surfaces of both the outer wall and the inner wall are flattened. ... Dyson Technology Limited

07/27/17 / #20170209014

Domestic appliance and part thereof

A domestic appliance includes an electric motor; a switch assembly for selectively connecting the motor to a power source; a handle; and a manually-operable trigger movable relative to the handle between an active position and a passive position. The trigger and the switch assembly are arranged such that the switch assembly is in a motor-connecting state when the trigger is in the active position, and is in a motor-disconnecting state when the trigger is in the passive position. ... Dyson Technology Limited

07/27/17 / #20170209012

Vacuum cleaner

A vacuum cleaner including a cyclonic separating unit that includes a cyclonic separator having a separator axis and an end wall which is openable for the removal of dirt from the cyclonic separator, a screen disposed within the cyclonic separator such that it extends in the longitudinal direction of the cyclonic separator, wherein the cyclonic separator is movable relative to the screen between a first position and a second position in the longitudinal direction of the cyclonic separator; a catch arranged to secure the openable end wall in a closed position; and an actuator which is actuated to release the catch when the cyclonic separator is moved into the second position. In an alternative embodiment, there is provided a vacuum cleaner apparatus in which the actuator is enabled for subsequent release of the catch when the cyclonic separator is moved into the second position.. ... Dyson Technology Limited

07/27/17 / #20170209011

Separating apparatus and vacuum cleaner

A separating apparatus including a first cyclonic separating unit that includes a first cyclonic separator having a separator axis, a second cyclonic separating unit that includes a second cyclonic separator, the second cyclonic separating unit being movable between a first position and a second position with respect to the first separating unit in a direction which is parallel with the separator axis, a screen disposed within the first cyclonic separator such that it extends parallel with the separator axis. The screen is connected to the second cyclonic separating unit for movement with the second cyclonic separating unit. ... Dyson Technology Limited

07/27/17 / #20170209010

Vacuum cleaning apparatus

A vacuum cleaning apparatus including a cyclonic separating apparatus having a first cyclonic separator, a second cyclonic separator downstream, a first dirt collector for collecting dirt from the first cyclonic separator comprising an end wall, and a second dirt collector for collecting dirt from the second cyclonic separator comprising an outer wall and at least a portion of the end wall. The first dirt collector and the outer wall of the second dirt collector are movable between a closed configuration in which the end wall abuts the outer wall and an open configuration in which the end wall is spaced from the outer wall for removing dirt from the second collector. ... Dyson Technology Limited

07/27/17 / #20170209008

Brushbar, cleaner head and method of manufacture of a brushbar

A brushbar including: a body having a channel extending in the longitudinal direction and a retaining feature provided along each side of the channel and spaced away from a bottom, wherein a depth of the channel decreases in the longitudinal direction of the channel; an agitator element that includes a flexible strip and an agitator, wherein the flexible strip is disposed in the channel and extends between each retaining feature and the bottom of the channel such that the retaining features retain the flexible strip in the channel and the agitator extends radially from the channel; and a shim disposed between the flexible strip and the bottom of the channel such that the flexible strip abuts each retaining feature, wherein a thickness profile of the shim decreases in the longitudinal direction by an amount corresponding to the decrease in the depth of the channel.. . ... Dyson Technology Limited

06/15/17 / #20170170758

Determining the parked position of a permanent-magnet motor

A method of determining the parked position of a rotor of a permanent-magnet motor, including applying a first voltage to a phase winding of the motor, measuring a first parameter, removing the first voltage, waiting for current in the phase winding to decrease to zero, applying a second voltage having the opposite polarity, measuring a second parameter, comparing the first parameter and the second parameter, and determining that the rotor is in a first parked position if the first parameter is less than the second parameter, and that the rotor is in a second parked position if the first parameter is greater than the second parameter. The first parameter and the second parameter each correspond to one of (i) the time taken for current in the phase winding to exceed a threshold, and (ii) the magnitude of current in the phase winding at the end of a time interval.. ... Dyson Technology Limited

06/15/17 / #20170170709

Electric motor

An electric motor including: a frame; a rotor assembly including a magnet, a bearing assembly, an impeller, and a shaft; and a stator assembly including a stator core and a bobbin. The frame has an inner wall and an outer wall, the outer wall surrounds the inner wall and defines an annular channel between the inner wall and the outer wall, and diffuser vanes extend from the inner wall to the outer wall through the annular channel. ... Dyson Technology Limited

06/15/17 / #20170170697

Electric motor

An electric motor comprising: a frame; and a stator assembly; the stator assembly including a bobbin assembly and at least one c-shaped stator core. The frame comprises at least one lug, the bobbin assembly includes at least one recess, and the stator assembly is fixed to the frame by fixing the lug inside the recess of the bobbin assembly.. ... Dyson Technology Limited

06/15/17 / #20170170693

Stator assembly

A four-pole stator assembly including a bobbin assembly; and two c-shaped stator cores, each c-shaped stator core comprising a back and first and second pole arms extending from the back. The bobbin assembly includes first and second bobbin portions, each bobbin portion comprising two hollow bobbin arms, each bobbin arm defining a slot for receiving a pole arm, and a winding wound around each bobbin arm. ... Dyson Technology Limited

06/15/17 / #20170164711

Motor and a handheld device having a motor

A handheld device comprising a motor for generating an airflow through the device, the motor including: a frame for supporting a rotor assembly and a stator assembly, the frame including an inner wall and an outer wall and a plurality of diffuser vanes extending between the inner wall and outer wall; a rotor assembly including a shaft, a magnet, a bearing assembly and an impeller; and a stator assembly including a bobbin, a stator core and a winding wound around the bobbin; the frame being formed of zinc and the impeller being formed of aluminium.. . ... Dyson Technology Limited

06/15/17 / #20170164710

Motor and a hair care appliance comprising a motor

A hair care appliance including a motor for generating an airflow through the appliance, the motor comprising: a frame for supporting a rotor assembly, the frame including an outer wall; and a rotor assembly including a shaft and an impeller, the impeller including a plurality of blades. An impeller housing portion of the outer wall surrounds the impeller. ... Dyson Technology Limited

06/15/17 / #20170164709

Hand held appliance

A hair care appliance that includes a body, a fluid flow path extending from a fluid inlet into the appliance to a fluid outlet from the body, a heater for heating fluid in the fluid flow path, a pre-heater located upstream of the heater and a thermal safety device positioned between the pre-heater and the heater. The pre-heater may include a resistive element. ... Dyson Technology Limited

06/15/17 / #20170164707

Hair styling appliance

A heating plate for a hair styling appliance, the heating plate having a length, a depth and a width. The heating plate includes a first continuous hair facing surface and a second surface opposite the first surface. ... Dyson Technology Limited

06/08/17 / #20170159907

Lighting device

A lighting device includes a baffle extending about an optical axis to surround a light source, and a reflector module connected to the baffle. The reflector module includes a main reflector having a light exit opening from which a light output of the lighting device is projected towards a target area, the optical axis passing through the opening, and reflective surfaces adjacent to the opening for reflecting light incident thereon away from the opening. ... Dyson Technology Limited

06/01/17 / #20170150798

Hand held appliance

A hair care appliance comprising a body having an outer wall, a duct extending within the outer wall, a primary fluid flow path extending between the duct and the outer wall, a flow directing plate within the primary fluid flow path and at least two guide surfaces located on the flow directing plate wherein the at least two guide surfaces meet at an apex. The body may have a first end, a second end and a longitudinal axis extending from the first end to the second end, wherein the fluid flow path extends along the longitudinal axis. ... Dyson Technology Limited

06/01/17 / #20170150797

Hand held appliance

A hair care appliance comprising a body having an outer wall, a chassis extending within the outer wall, wherein the chassis comprises a locking feature and the body comprises an engaging feature adapted to retain the chassis in position within the outer wall when the locking feature is rotated with respect to the engaging feature. The outer wall may comprise an inner surface and the engaging feature extends radially inwards from the inner surface. ... Dyson Technology Limited

06/01/17 / #20170150796

Hand held appliance

A hair care appliance comprising a body having an outer wall, an inner wall and a gasket located between the outer wall and the inner wall, wherein the gasket comprises a seal extending between the outer wall and the inner wall and a centralising feature extending from the inner wall towards the outer wall. The centralising feature may comprise a convex surface extending from the inner wall towards the outer wall. ... Dyson Technology Limited

05/18/17 / #20170138374

Fan with a filter

A fan assembly for creating an air current is described, the fan assembly having a nozzle, a system for creating an air flow through the nozzle and a filter for removing particulates from the air flow, the nozzle having an interior passage, a mouth for receiving the air flow from the interior passage, and a coanda surface located adjacent the mouth and over which the mouth is arranged to direct the air flow, wherein the fan provides an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan, i.e. Air flow is created by a bladeless fan.. ... Dyson Technology Limited

05/11/17 / #20170127899

Telescopic wand for a vacuum cleaner

A telescopic wand for a vacuum cleaner includes an inner tube, an outer tube, and a catch assembly. The catch assembly includes a catch and a leaf spring. ... Dyson Technology Limited

05/11/17 / #20170127898

Telescopic wand for a vacuum cleaner

A telescopic wand for a vacuum cleaner includes an inner tube, an outer tube, and a catch, wherein the inner tube includes multiple projections, the outer tube includes a pair of bosses, and the catch includes a locking stub. The catch pivotally attaches to the outer tube and pivots between lock and unlock positions. ... Dyson Technology Limited

05/11/17 / #20170127895

Cleaner head

A cleaner head for a cleaning appliance, the cleaner head including a main body having an air inlet and an air outlet, an agitator supported for rotation with respect to the main body about a rotational axis, and a collector for collecting strands of hair. The collector is supported by the main body and arranged such that strands of hair drawn through the air inlet wrap around at least part of the collector. ... Dyson Technology Limited

04/27/17 / #20170112258

Hand held appliance

A mount for an electric motor, the mount comprising a sleeve for receiving a motor, the sleeve having a longitudinal axis extending between a first end and a second end, wherein the first end comprises a plurality of plurality of projections and the plurality of projections extend along the longitudinal axis. The sleeve may receive the motor via the first end or the second end. ... Dyson Technology Limited

04/27/17 / #20170112257

Hand held appliance

A hairdryer including an ionising system and a heater wherein the ionising system comprises an ion producing electrode and the ion producing electrode extends along an external periphery of the heater. The ion producing electrode may extend along the heater to a downstream end of the heater. ... Dyson Technology Limited

04/27/17 / #20170112256

Hand held appliance

A hairdryer including a heater, a fluid flow path and a thermal fuse wherein the fluid flow path extends from a fluid inlet to a fluid outlet, the heater extends within the fluid flow path from an upstream end of the heater to a downstream end of the heater and the thermal fuse extends across the downstream end of the heater. The heater may be generally cylindrical in shape and the thermal fuse may extend at least partially radially across the downstream end of the heater. ... Dyson Technology Limited

04/27/17 / #20170112255

Hand held appliance

A hair care appliance including a body having an outer wall and an inner wall, a fluid flow path extending from a fluid inlet to a fluid outlet wherein the fluid outlet is at least partially defined by the inner wall, a heater for heating fluid in the fluid flow path and, a thermistor for measuring the temperature of fluid between the heater and the fluid outlet, wherein the thermistor is retained with respect to a housing and the housing forms part of the inner wall. The housing may comprise a base that engages with the inner wall. ... Dyson Technology Limited

04/20/17 / #20170108011

Fan

A fan for generating an air current includes a body having an air inlet, and a nozzle connected to the body. The nozzle includes an interior passage for receiving an air flow from the body and an air outlet from which the air flow is emitted from the fan. ... Dyson Technology Limited

04/20/17 / #20170108010

Fan

A fan for generating an air current includes a body having an air inlet, and a nozzle connected to the body. The nozzle includes an interior passage for receiving an air flow from the body and an air outlet from which the air flow is emitted from the fan. ... Dyson Technology Limited

03/30/17 / #20170092995

Method of manufacturing an electrochemical cell

A method of manufacturing an electrochemical cell having a gel electrolyte. An electrochemical cell is provided having a cell casing, and a first electrode, a second electrode, an electrolyte solution and a temperature activated gelling agent disposed within the cell casing. ... Dyson Technology Limited

03/23/17 / #20170079495

Handle assembly for a vacuum cleaner

A handle assembly for a vacuum cleaner that includes a handle, a duct, a valve assembly, and a cover. The handle is attached to the duct, which has an inlet end, an outlet end, and a bleed aperture between. ... Dyson Technology Limited

03/23/17 / #20170079493

Cleaner head

A cleaner head including a cleaner head body, a sole plate including a rear portion and flexible lateral side portions that define at least part of the periphery of a dirty air opening. The rear portion and the flexible lateral side portions are movable relative to the cleaner head body such that, in use, the rear portion and the flexible lateral side portions conform to a surface being cleaned in order to maintain a seal between the cleaner head and the surface.. ... Dyson Technology Limited

03/23/17 / #20170079491

Vacuum cleaner

A handheld vacuum cleaner including a handle by which the vacuum cleaner is supported during normal use and a cyclonic separating unit having a longitudinal axis and a dirt collector at one end of the cyclonic separating unit. The cyclonic separating unit includes an end portion having a closed configuration in which dirt is retained within the dirt collector and an open configuration for the removal of dirt from the dirt collector. ... Dyson Technology Limited

03/23/17 / #20170079490

Vacuum cleaner

A handheld vacuum cleaner including a handle by which the vacuum cleaner is supported during use, a cyclonic separating unit including a separator having a cyclone chamber which defines a separator axis and an inlet duct having an inlet duct axis which is substantially parallel with the separator axis. The cyclonic separating unit extends at least partly around a portion of the inlet duct.. ... Dyson Technology Limited

03/23/17 / #20170079489

Vacuum cleaner

A handheld vacuum cleaner including a handle by which the vacuum cleaner is supported during use and a cyclonic separating unit having a first end and a second end. An inlet duct extends through the first end of the cyclonic separating unit. ... Dyson Technology Limited

03/23/17 / #20170079401

Attachment for a hand held appliance

A hairdryer including: a handle; a body comprising a duct extending within the body; a fluid flow path extending through the duct from a fluid inlet through which a fluid flow enters the hairdryer to a fluid outlet for emitting the fluid flow from a front end of the body; a primary fluid flow path extending at least partially through the body from a primary fluid inlet through which a primary fluid flow enters the hairdryer to an annular primary fluid outlet at a front end of the body; a fan unit for drawing the primary fluid flow through the primary fluid inlet; and an attachment for adjusting at least one parameter of fluid emitted from the hairdryer, the attachment being attachable to the hairdryer so that the attachment protrudes from the front end of the body, wherein the attachment is configured to inhibit the generation of the fluid flow.. . ... Dyson Technology Limited

03/16/17 / #20170071433

Handle assembly for a vacuum cleaner

A handle assembly for a vacuum cleaner that includes a handle attached to a duct assembly. The duct assembly includes a first duct and a second duct. ... Dyson Technology Limited

03/16/17 / #20170071432

Handle assembly for a vacuum cleaner

A handle assembly for a vacuum cleaner that includes a handle attached to a duct assembly. The duct assembly includes a first duct and a second duct, and the first duct pivots relative to the second duct about a pivot axis. ... Dyson Technology Limited

03/02/17 / #20170055790

Upright vacuum cleaner

An upright vacuum cleaner comprising a vac-motor for drawing dirty air in through a floor-engaging cleaner head on the vacuum cleaner, a separating apparatus for separating dirt from the dirty air, an elongate air duct for carrying air to or from the separating apparatus, and a suction wand which is stored on the vacuum cleaner and which can be connected to the separating apparatus via a hose as required to clean above the floor. The external surface of the air duct defines an elongate recess for receiving the stored suction wand such that the air duct partly surrounds the stored wand. ... Dyson Technology Limited

01/26/17 / #20170023228

Light fixture

A light fixture including a light source and heat pipes that are connected to an array of fins which cool the light source. The light fixture is configured such that the thermal mass is minimised local to the light source. ... Dyson Technology Limited

01/12/17 / #20170010011

Humidifying apparatus

A humidifying apparatus comprising a base comprising a chamber, a water tank removably mounted on the base for supplying water to the chamber, an impeller and a motor for driving the impeller to generate an air flow, an inlet duct for conveying the air flow to the chamber, humidifying means for humidifying the air flow with water from the chamber; and an outlet duct for conveying the humidified air flow from the chamber, wherein a lower internal surface of the water tank comprises a raised portion and a feeder trough, which is lower than the raised portion when the water tank is mounted on the base.. . ... Dyson Technology Limited

01/12/17 / #20170010010

Humidifying apparatus

A humidifying apparatus comprising a base comprising a chamber, a water tank removably mounted on the base for supplying water to the chamber, an impeller and a motor for driving the impeller to generate an air flow, an inlet duct for conveying the air flow to the chamber, humidifying means for humidifying the air flow with water from the chamber, and an outlet duct for conveying the humidified air flow from the chamber, wherein a lower surface of the water tank, which in use supports the water tank on the base, comprises a recessed portion for receiving water overflow from the chamber.. . ... Dyson Technology Limited

01/12/17 / #20170008679

Humidifying apparatus

A cap assembly for conveying air into the interior of a container and water from the interior of the container, the cap assembly comprising a valve moveable from a first position, in which the cap assembly is closed, to a second position, in which the cap assembly is open to permit the flow of air and water through the cap assembly, the cap assembly further comprising at least two apertures through which the air and water can flow when the cap assembly is open, wherein the apertures are offset with respect to one another in a direction along the longitudinal axis of the cap assembly.. . ... Dyson Technology Limited

01/12/17 / #20170006991

Nozzle

A nozzle for attachment to a hair dryer includes a body and an airflow guiding member. The body has an internal surface which defines an airflow duct which extends from an air inlet end for receiving an airflow to a slot-shaped air outlet end of the body. ... Dyson Technology Limited








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