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Dayco Ip Holdings Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dayco Ip Holdings Llc-related inventors


Check valves and venturi devices having the same

Check valves, venturi devices and engines having such check valves, define an internal cavity having a first port and a second port, a first seat and a second seat, and a translatable seal disk. The check valves have an outlet conduit extending from the second port and/or the first seat has a first annular seal bead and a second annular seal bead disposed radially inward of the first annular seal bead with a plurality of ribs extending between the first annular seal bead and the second annular seal bead within the fluid flow path of the first port. ... Dayco Ip Holdings Llc

Venturi devices with dual venturi flow paths

A venturi device has a body defining a motive section and a discharge section converging toward and spaced a distance apart to define a venturi gap, defining a first suction port and a second suction port each in fluid communication with the venturi gap, and defining a chamber having an outlet end of the motive section and an inlet end of the discharge section dividing the chamber into a first portion and a second portion in fluid communication with one another above and below the inlet and outlet ends and through the venturi gap. The first and second portions both have a plurality of spaced apart fingers protruding radially and axially from an inner wall thereof. ... Dayco Ip Holdings Llc

Sprung gate valves movable by an actuator

Valves having a sprung gate of various constructions are disclosed. In one embodiment, the sprung gate includes a first endless elastic band having an inner perimeter defining an open space sandwiched between a first gate member and a second gate member that each define an opening therethrough in an open position portion thereof. ... Dayco Ip Holdings Llc

Valve gate within a venturi gap of a venturi device for producing vacuum

Venturi devices are disclosed herein that include a body defining a venturi gap between an outlet end of a converging motive section and an inlet end of a diverging discharge section, having a suction port in fluid communication with the venturi gap, a gate valve linearly translatable to open and close the venturi gap, and an actuator connected to the gate valve to operatively move the gate valve between an open position and a closed position. The gate valve, in a longitudinal cross-section, is generally u-shaped, thereby having continuous, opposing sides that one each close the motive outlet and the discharge inlet and defining a void between the opposing sides that is in fluid communication with the suction port. ... Dayco Ip Holdings Llc

Radial vibration dampers having a tuning ratio and a tuning angle

Radial vibration dampers have an inertia member defining an annular channel having (i) a radially facing, open face; (ii) a bottom surface; and (iii) interior, opposing surfaces. The interior, opposing surfaces are each angled outward away from a central transverse plane through the inertia member at an angle in a range from zero degrees to at most 45 degrees. ... Dayco Ip Holdings Llc

Aspirators for producing vacuum using the venturi effect

A venturi device for producing vacuum from fluids in an engine system has a body defining a venturi gap separating apart an outlet end of a converging motive section and an inlet end of a diverging discharge section by a lineal distance, and a suction port in fluid communication with the venturi gap. The converging motive section and the diverging discharge section both gradually, continuously taper toward the venturi gap, the converging motive section defines a circular-shaped motive inlet and an elliptical- or polygonal-shaped motive outlet, the diverging discharge section defines an elliptical- or polygonal-shaped discharge inlet, and an inner passageway of the converging motive section transitions as a hyperbolic function from the motive inlet to the elliptical- or polygonal-shaped motive outlet.. ... Dayco Ip Holdings Llc

Sealed belt tensioning device

A tensioning system including a base and an arm pivotally coupled to the base, the arm having an engagement surface and being configured to pivot relative to the base about a pivot axis. The system further includes a biasing mechanism operatively coupled to the arm to bias the arm relative to the base, and a seal assembly sealingly positioned between the arm and the base. ... Dayco Ip Holdings Llc

Bypass valve in an apparatus for producing vacuum

Venturi devices are disclosed that have a housing defining a conduit having a venturi gap. Downstream of and bypassing the venturi gap is a bypass check valve that defines an internal cavity having a first seat, a second seat, an inlet port, at least two outlet ports, and a seal member seated therein that is translatable between a closed position against the first seat and an open position against the second seat. ... Dayco Ip Holdings Llc

Aspirated relief valve for a turbocharging system

Engine systems have an air induction system, a turbocharger in fluid communication with an intake manifold, an evacuator defining a venturi gap with a suction port in fluid communication therewith, a relief valve enclosing a piston and defining an inlet and an outlet in selective fluid communication with one another, and a storage tank of high pressure air in fluid communication with the evacuator. The relief valve has a valve element connected to the piston, and the piston divides the housing into a pressurized chamber in fluid communication with the suction port of the evacuator and a bypass portion in fluid communication with the inlet, which is in fluid communication with the compressed air from the turbocharger, and the outlet, which is in fluid communication with the air induction system or atmosphere. ... Dayco Ip Holdings Llc

Torsional vibration dampers having a plurality of elastomeric ring bushings

Torsional vibration dampers are disclosed that have a hub defining a plurality of fastener-receiving openings and an inertia member concentric about and spaced a radial distance apart from a shaft-receiving member of the hub and having a plurality of receptacles defining a bore oriented axially. Each receptacle aligns with one of the plurality of fastener-receiving openings, and receives one of a plurality of elastomeric rings with a fastener seated therein and received in the fastener-receiving openings to operatively connect the inertia member to the hub through compression of the elastomeric rings. ... Dayco Ip Holdings Llc

Fluidic diode check valve

Fluidic diodes are disclosed that have a housing defining an inlet and an outlet and a divided fluid passageway therebetween defined by mirror image partitions generally tear-drop shaped spaced apart a first distance from one another by a constant width primary fluid pathway with the tip thereof pointed generally toward the outlet and spaced apart a second distance from an interior wall of the housing to define a constant width secondary fluid pathway. Fluid flow from the inlet to the outlet is through the primary fluid pathway with some additional flow through the secondary fluid pathways joining the primary fluid pathway proximate the outlet for flow together in the same direction, and fluid flow from the outlet to the inlet through the secondary fluid pathways exits the secondary fluid pathways into the primary fluid pathway, proximate the inlet, in a direction substantially opposite the flow in the primary fluid pathway.. ... Dayco Ip Holdings Llc

Torsional vibration dampers

Torsional vibration dampers having a dual spring-dashpot system are disclosed that result in a lightweight hub and a lightweight inertia ring, which is concentric about the hub. The hub has a two-piece construction: a central hub defining an innermost sleeve that defines a bore for receiving a shaft; and a monolithic, generally-annular spoke defining an outermost ring concentric about and spaced radially outward from the central hub portion. ... Dayco Ip Holdings Llc

Noise attenuation unit for engine systems

Noise attenuation units are disclosed that are connectable in a system as part of a fluid flow path. Such units include a housing defining an internal cavity and having a first port and a second port each connectable to a fluid flow path and in fluid communication with one another through the internal cavity, and a noise attenuating member seated in the internal cavity of the housing within the flow of the fluid communication between the first port and the second port. ... Dayco Ip Holdings Llc

Magnetically actuated shut-off valve

A latching solenoid gate valve is disclosed, and includes a housing defining a conduit having a flow path therethrough and a cavity separating the conduit into a first section and a second section. The latching solenoid assembly also includes a gate assembly enclosed within the cavity of the housing and a first solenoid assembly and a second solenoid assembly seated within the cavity with the gate assembly linearly translatable therebetween. ... Dayco Ip Holdings Llc

05/04/17 / #20170122153

Venturi devices resistant to ice formation for producing vacuum from crankcase gases

A device for producing vacuum using the venturi effect, systems utilizing the device, and methods of making the device are disclosed. The device has a housing defining a venturi gap, a motive passageway converging toward the venturi gap and in fluid communication therewith, a discharge passageway diverging away from the venturi gap and in fluid communication therewith, and a suction passageway in fluid communication with the venturi gap. ... Dayco Ip Holdings Llc

03/23/17 / #20170082177

Self-aligning pulley

Self-aligning pulleys are disclosed that have a hub, a pulley body concentric about the hub and spaced a distance apart therefrom to define an annular gap, and an annular compliant member disposed in the annular gap between the hub and the pulley body to thereby operatively couple the pulley body to the hub for rotation therewith. The annular compliant member is three-dimensionally compliant to allow the pulley body to adjust in one or more of an axial orientation and a conical orientation relative to the hub to correct misalignments of the hub within a system of pulleys and a belt.. ... Dayco Ip Holdings Llc

03/02/17 / #20170059028

Torsional vibration dampers having a hub with spokes acting as a second spring in series with an elastomeric member

Torsional vibration dampers for rotating shafts are disclosed that have a hub or a hub portion of a pulley-hub monolithic body that has an innermost sleeve defining a bore, an outermost ring concentric with and spaced radially outward from the innermost sleeve, and a plurality of spokes connecting the innermost sleeve to the outermost ring that each have torsional flexibility to act as a first spring to attenuate torsional vibrations. The dampers include an elastomeric member positioned concentrically against the outermost ring or the innermost sleeve of the hub, where the elastomeric member acts as a second spring to attenuate torsional vibrations, and an inertia member positioned concentrically against the elastomeric member, which places the first spring and second spring in series. ... Dayco Ip Holdings Llc

03/02/17 / #20170058731

Restrictors using the venturi effect

Restrictors are disclosed that include a body defining a venturi tube having a throat defining a junction of a converging inlet cone to a diverging outlet cone along a longitudinal axis thereof, and with the converging inlet cone and the diverging outlet cone each defining an inner passageway that transitions as a hyperbolic or parabolic function toward the throat.. . ... Dayco Ip Holdings Llc

02/09/17 / #20170037983

Magnetically actuated shut-off valve

A latching solenoid gate valve comprising is disclosed, and includes a housing defining a conduit having a flow path therethrough and a cavity separating the conduit into a first section and a second section. The latching solenoid assembly also includes a gate assembly enclosed within the cavity of the housing and a first solenoid assembly and a second solenoid assembly seated within the cavity with the gate assembly linearly translatable therebetween. ... Dayco Ip Holdings Llc

01/26/17 / #20170023119

Retaining clamp for molded plastics

Retaining clamps for retaining an over-molded plastic component to a substrate are disclosed herein that include a generally annular band having an inner surface, which defines an inner cavity for receiving a substrate rotatable about a central axis, and an opposing outer surface, which receives an over molded plastic component. The clamps have a plurality of axially extending retaining features formed in the annular band. ... Dayco Ip Holdings Llc

01/19/17 / #20170016414

Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive section

Devices for producing vacuum using the venturi effect are disclosed that have a motive passageway converging toward a suction chamber, a discharge passageway diverging away from the suction chamber, and a suction passageway, all of which are in fluid communication with the suction chamber. The motive passageway has a single entrance, and subdivides downstream thereof into a plurality of subpassageways, one each leading to one of the plurality of motive exits, which are spaced apart from a discharge entrance of the discharge passageway to define a venturi gap. ... Dayco Ip Holdings Llc

01/05/17 / #20170002903

Dual mode tensioner

A tensioner is disclosed. The tensioner includes an arm, a tong, and a clutch. ... Dayco Ip Holdings Llc








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