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Wirtgen Gmbh patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "W" | Wirtgen Gmbh-related inventors


 new patent  System and method for the tracking of milling material

In a system (3) for the tracking of milling material (26), comprising a milling machine (1) for milling a section (28) of a ground pavement (29) in a milling operation, a truck (14) for loading and transporting away the milling material (26) removed during milling of the section (28) of the ground pavement (29), a deposition site (24) for depositing the milling material (26) transported away by the truck (14), a first detection device (18) for detecting data signals relating to the milling material (26), it is specified for the following features to be achieved: that a second detection device (20) detects position data of the deposition site of the milling material (26), wherein the first and the second detection device (18, 20) transmit the data signals (60) relating to the milling material (26) and the position data of the deposition site (24) to a documentation device (22) which links the position data with the data signals relating to the milling material (26).. . ... Wirtgen Gmbh

 new patent  Self-propelled milling machine, as well as method for controlling a self-propelled milling machine

In a self-propelled construction machine, specifically, a road milling machine, a surface miner or a recycler, for milling a ground surface, comprising a machine frame with a longitudinal axis, comprising a chassis with wheels or tracked ground-engaging units which support the machine frame, comprising a controller for the travelling and milling operation, comprising a height-adjustable working drum, comprising a slewable transport conveyor arranged in front of or behind the working drum as seen in the direction of travel of the milling machine with a discharge end from which worked-off milling material is dischargeable onto a point of impingement on a loading surface of a means of transport, wherein the transport conveyor is slewable about, as a minimum, a first slewing axis extending essentially orthogonal to the machine frame laterally under a slewing angle, wherein the controller comprises a control system which controls, as a minimum, the slewing angle of the transport conveyor automatically in the travelling and milling operation, it is specified for the following features to be achieved: that the control system, at least as a function of a virtual trajectory for positioning the transport conveyor which is freely specifiable in a stationary coordinate system that is independent of the position and alignment of the machine frame, controls, by means of open-loop control or closed-loop control, at least the slewing angle of the transport conveyor automatically in such a fashion that a reference point of the transport conveyor always remains on the specified trajectory in the case of a change in position of the machine frame within the coordinate system.. . ... Wirtgen Gmbh

 new patent  Transport conversion mode

A self-propelled paving machine includes a plurality of swing legs, each swing leg being supported from a ground surface by an associated crawler track steerably connected to an outer end of its associated swing leg. The machine may be re-oriented from a paving orientation to a transport orientation via a transport conversion mode of an automatic controller configured to spin the paving in place on the ground through a re-orientation angle, then rotate each of the crawler tracks relative to its respective swing leg until each crawler track is primarily oriented in a transport direction generally perpendicular to the paving direction, and then while moving the paving machine in the transport direction pivoting each of the swing legs relative to the frame until each swing leg is oriented primarily in the transport direction. ... Wirtgen Gmbh

Wirtgen Gmbh

. . ... Wirtgen Gmbh

Drum housing for a working drum of a construction machine or mining machine, construction machine or mining machine, as well as method for monitoring the condition of a working drum of a construction machine or mining machine

In a drum housing for a working drum of a construction machine or mining machine, said working drum being provided with tools and rotating about a drum axis, with a housing shell which at least partially encloses the circumference of the working drum, and with at least one inspection opening for a monitoring device arranged in the housing shell, wherein said monitoring device inspects the condition of the working drum or the tools thereof, it is provided for the following features to be achieved: a closing mechanism is arranged on the outside of the housing shell, said closing mechanism enabling closure of the at least one inspection opening.. . ... Wirtgen Gmbh

Automotive milling machine, as well as method for discharging milled material

In an automotive milling machine, comprising a machine frame, comprising a controller for the travelling and milling operation, comprising a working drum, comprising a transport conveyor, where the transport conveyor is slewable, relative to the machine frame, about a first axis extending essentially horizontally under an elevation angle, and sideways about a second axis extending orthogonally to the first axis under a slewing angle, where the transport conveyor discharges the milled material onto a loading surface of a transport vehicle at a specified conveying speed, and where the controller continuously controls positioning of the milled material automatically via, as a minimum, the slewing angle of the transport conveyor, it is provided for the following features to be achieved: the controller specifies and monitors limit values for a maximum permissible slewing angle range for slewing the transport conveyor variable in accordance with the current operating situation.. . ... Wirtgen Gmbh

Ejector unit for a road milling machine or the like

The invention relates to an ejector unit, in particular for a road milling machine, having an ejector that is replaceably mounted on a carrier. In one aspect the ejector is curved in a scoop-like fashion. ... Wirtgen Gmbh

Chisel holder

The invention relates to a bit holder for an earth working machine, in particular a surface miner, a road milling machine, or the like, having a holding projection that comprises a bit receptacle and/or carries a cutting element. In order to improve the operating reliability of an earth working machine, provision is made according to the present invention that the holding projection has, behind the cutting element or behind a receiving region of the bit receptacle in the tool advance direction, a wear protection element having a hard-material element in order to provide an emergency-mode property.. ... Wirtgen Gmbh

Transition on the fly

A system is provided for varying the width of a molded concrete slab on the fly as the slab is being molded. Position and height of the paving machine relative to an external reference system are determined and controlled using at least two 3d stringless reference objects. ... Wirtgen Gmbh

Automotive construction machine, as well as lifting column for a construction machine

Disclosed is an automotive road construction machine, particularly a recycler or a cold stripping machine, comprising an engine frame that is supported by a chassis, a working roller which is stationarily or pivotally mounted on the engine frame and is used for machining a ground surface or road surface. The chassis is provided with wheels or tracked running gears which are connected to the engine frame via lifting column and are vertically adjustable relative to the engine frame. ... Wirtgen Gmbh

Scraper device, as well as construction machine

A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.. . ... Wirtgen Gmbh

Swing over steering

A self-propelled construction machine includes a plurality of swing legs, each swing leg being supported from a ground surface by an associated crawler track steerably connected to an outer end of its associated swing leg. Pivotal movement of a swing leg may be accomplished by steering the associated crawler track through a non-zero steering angle until the lateral movement of the crawler track achieves the desired pivoting movement of the associated swing leg.. ... Wirtgen Gmbh

Wirtgen Gmbh

. . ... Wirtgen Gmbh

Milling machine and process for the operation of a milling machine

The invention relates to a milling machine, in particular a road milling machine, a stabiliser, a recycler or a surface miner, comprising a drive means which is configured such that the milling machine performs translatory and/or rotatory movements on the ground, and a working means which is configured such that the ground is machined. The invention also relates to a method for operating a milling machine of this type. ... Wirtgen Gmbh

03/01/18 / #20180058019

Movable seats

A construction machine for the treatment of ground surfaces includes a chassis carrying a machine frame, a driveable work drum supported from the machine frame and including an outer surface and exchangeable tools fastened to the outer surface, a working space defined within the machine adjacent the work drum, and at least one seat for an operating person, the at least one seat being movable into a working position in the work space adjacent the work drum so that the operating person can exchange the tools on the work drum.. . ... Wirtgen Gmbh

02/15/18 / #20180044864

Method for optimizing a cutting process in road milling machines, as well as milling machine for machining road coverings

In a method for optimizing a cutting process in milling machines which are used to machine road coverings, which comprise a milling device fitted with milling tools which is sprayed with liquid in order to cool the milling tools, in addition to a drive motor, the following steps are provided: detection of the at least one parameter which is representative of the instantaneous power output of the milling device and controlling the amount of cooling liquid supplied according to the at least one parameter which is representative of the instantaneous power output of the milling device.. . ... Wirtgen Gmbh

02/01/18 / #20180030676

Device, as well as method for working ground surfaces or roadways

In a device for working ground surfaces or roadways comprising a machine frame and a working drum in a drum housing arranged at said machine frame, where no less than one spraying device extending parallel to the working drum and featuring several outlet nozzles for spraying agents arranged next to one another and directed towards the working drum is arranged at the drum housing, where the outlet nozzles comprise one each drivable closing mechanism with a closing element which, in an open position, fully uncovers the nozzle channel of the outlet nozzle and, in a closed position, closes the nozzle channel, it is provided for the following features to be achieved: that a controller drives the closing mechanisms, with the outlet nozzles and the related closing elements being adapted to one another in such a fashion that the flow cross-section in the outlet nozzle is variable in accordance with the position of the closing element on a specified path between the open position and closed position.. . ... Wirtgen Gmbh

01/18/18 / #20180016898

Chisel holder for a soil treatment machine

The invention relates to a bit holder for an earth working machine, in particular a road milling machine, that comprises a bit receptacle in the region of a working side of a support member and that indirectly or directly carries an insertion projection on an insertion projection side of the support member, the support member comprising two stripping surfaces [first or second stripping surfaces] that form a stripping surface pair and are at an angle to one another. In order to achieve a stable and long-lived configuration with such a bit holder, provision is made according to the present invention that the support member comprises at least one further stripping surface that is at an angle to the two stripping surfaces of the stripping surface pair.. ... Wirtgen Gmbh

12/14/17 / #20170356142

Self-propelled construction machine and method for operating a self-propelled construction machine

The self-propelled construction machine according to the invention, in particular road-milling machine, recycler, stabiliser or surface miner, comprises a machine frame 2, which is supported by a chassis 1, which has wheels or tracks 1a, 1b. A milling drum 4 is arranged on the machine frame. ... Wirtgen Gmbh

11/30/17 / #20170344027

Transport mode conversion

A self-propelled paving machine includes a plurality of swing legs, each swing leg being supported from a ground surface by an associated crawler track steerably connected to an outer end of its associated swing leg. The machine may be re-oriented from a paving mode to a transport mode by driving the ground engaging units to rotate the frame substantially in place on the ground through a re-orientation angle of the frame relative to the ground, and as the frame is rotating, pivoting one or more of the swing legs from a paving position relative to the frame, to a transport position relative to the frame.. ... Wirtgen Gmbh

11/30/17 / #20170341649

Self-propelled civil engineering machine and method of controlling a civil engineering machine

A civil engineering machine and a method of controlling the machine are based on the position of at least one reference point which is relevant to the control of the civil engineering machine being changed, as the civil engineering machine moves, as a function of a relative position of the at least one reference point relative to a desired path of travel.. . ... Wirtgen Gmbh

11/16/17 / #a method for sideways movement of an earth working machine (10), the earth working machine (10) comprising a machine frame (12) that stands via at least one front drive unit (18) and at least one rear drive unit (20) on a standing surface (a) of a substrate (u), which drive units (18, 20) are configured to roll on the substrate (u) in a running direction (d), the drive units (18, 20) being rotatable relative to the machine frame (12) around a steering axis (s) associated with the respective drive unit (18, 20), wherein the method-related sideways movement occurs in a sideways direction (v) that deviates from the travel direction of the earth working machine (10) determined by the respective steering angle, the method encompassing the following steps:

Wirtgen Gmbh

. . ... Wirtgen Gmbh

11/16/17 / #a method for coupling a machine frame (12) of an earth working machine (10) to a working device (28) between the machine frame (12) and a substrate (u) encompasses the following steps:

Wirtgen Gmbh

. . ... Wirtgen Gmbh

11/09/17 / #20170321384

Texture curing machine as well as method for the subsequent treatment of a freshly produced concrete layer

In a texture curing machine for the subsequent treatment of freshly produced concrete layers of a predetermined width, in particular concrete roadways extending longitudinally in the direction of travel, comprising a machine frame supported by ground-engaging units, with no less than one texturing device movable transverse to the working direction for applying a texture, by means of multiple texturing tools, into the not yet hardened surface of the concrete layer, and with a controller unit for adjusting the travelling speed in the direction of travel, it is provided for the following features to be achieved: the controller unit captures the travelling speed and/or the traversing speed of the texturing device and, during forward or reverse travel, controls the travelling speed and/or the traversing speed of the texturing device in transverse direction in accordance with a specified texturing angle, with the texturing angle ensuing from the relation of the speeds.. . ... Wirtgen Gmbh

10/12/17 / #20170293889

Method and device for determining an area cut with a cutting roll by at least one construction machine or mining machine

In a method for determining an area milled by at least one construction machine or at least one mining machine by means of a milling drum (2) by means of working a predetermined area in several milling trajectories by at least one machine (1), determining the length of the milling trajectories along which a milling operation has taken place by evaluating the continuous machine positions, adding up the previously milled partial areas taking into account the length of the milling trajectory and the installed width of the milling drum (2), wherein the partial area currently milled along the milling trajectory is checked, either continuously or subsequently, for overlapping or multiple overlapping with any previously milled partial areas, and any partial areas which overlap are deducted, as overlapping areas, from the added-up previously milled partial areas, the total added-up partial areas milled minus the total overlapping areas established give the milled area.. . ... Wirtgen Gmbh

10/05/17 / #20170284040

Road milling machine and method for measuring the milling depth

A method is provided for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller. The method includes measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track.. ... Wirtgen Gmbh

10/05/17 / #20170284039

Positioning arrangement for fitting an interchangeable milling assembly of a road-building machine

The invention relates to a positioning arrangement for fitting an interchangeable milling assembly of a preset working width below the vertically adjustable chassis of a road milling machine, which chassis is carried on track-laying units. A vehicle carried on a plurality of wheels has a unit for receiving the milling assembly. ... Wirtgen Gmbh

10/05/17 / #20170284037

Frame distortion control

A slipform paving machine includes a laser source for generating a laser reference plane. At least two laser receivers are mounted on the machine and intersect the laser reference plane. ... Wirtgen Gmbh

09/28/17 / #20170275832

Road milling machine and method for measuring the milling depth

A method is provided for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller. The method includes measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track.. ... Wirtgen Gmbh

09/28/17 / #20170275830

Hopper insert for an asphalt paving machine

A hopper insert is provided for an asphalt paving machine. The hopper insert provides for passive mixing of asphalt material, and also provides a dual capacity loading option. ... Wirtgen Gmbh

08/17/17 / #20170233959

Self-propelled construction machine and method for operating a self propelled construction machine

The invention relates to a self-propelled construction machine, comprising a machine frame supported by a chassis having wheels or crawler tracks. The basic principle of the invention involves determining a variable Δ which is characteristic of the milling profile on the basis of a functional relationship between the variable which is characteristic of the milling profile and the advance speed v and/or milling drum rotational speed n. ... Wirtgen Gmbh

08/17/17 / #20170233955

Planning system and method for coordinating road milling tasks

The invention relates to a planning system and method for operating one or more road milling machines. In that context, material properties of a road are captured and are geographically associated with one or more roads or road segments. ... Wirtgen Gmbh

06/08/17 / #20170159249

Transition on the fly

A system is provided for varying the width of a molded concrete slab on the fly as the slab is being molded. Position and height of the paving machine relative to an external reference system are determined and controlled using at least two 3d stringless reference objects. ... Wirtgen Gmbh

05/18/17 / #20170138004

Self-propelled ground milling machine and method for working on a traffic surface

The invention relates to a self-propelled ground milling machine, in particular a road milling machine or road recycler, having a machine frame supported by running gears and a working roller arranged on the machine frame in a roller housing, a hold-down device which is height-adjustable with respect to the traffic surface being arranged upstream of the working roller in the working direction. The invention further relates to a method for working on a traffic surface using a self-propelled ground milling machine. ... Wirtgen Gmbh

05/11/17 / #20170130420

Scraper device, as well as construction machine

A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.. . ... Wirtgen Gmbh

04/27/17 / #20170114637

Milling machine and method for operating a milling machine

The invention relates to a milling machine having a replaceable milling drum, different types of milling drums being capable of being associated with the milling machine; and having a control unit for controlling the milling machine, machine parameters of the milling machine being settable by way of the control unit. Provision is made that the milling machine has associated with it at least one means that is designed to detect at least one characteristic feature of the milling drum; that the at least one means is connected to the control unit; and that the control unit is designed to specify for at least one machine parameter, indirectly or directly from the characteristic feature, a value to be set, and/or a setting range. ... Wirtgen Gmbh

04/06/17 / #20170096894

A machine and method for surface mining or road milling

The present disclosure provides a machine (100) for surface mining or road milling. The machine (100) is arranged to remove material from a ground region (102) while moving along the ground region (102) and comprises a ground engager for removing a portion of the material from the ground region (102). ... Wirtgen Gmbh

03/30/17 / #20170089020

Milling machine with location indicator system

A construction machine apparatus includes a plurality of ground engaging supports, a machine frame supported from the ground engaging supports and a milling drum supported from the machine frame. A milling drum location detection system is configured to determine a drum location in an external reference system. ... Wirtgen Gmbh

03/30/17 / #20170089018

Frame width adjustment by steering

A self-propelled construction machine includes machine frame that is laterally extendible to adjust a width of the machine frame. A frame lock can selectively lock and unlock the machine frame to permit the width adjustment. ... Wirtgen Gmbh

03/30/17 / #20170089017

Selective clamping of chassis

Methods of and apparatus for controlling relative telescoping extension or retraction of multiple telescoping assemblies is provided. The telescoping assemblies connect the main frame of a slipform paver to a side member of the slipform paver. ... Wirtgen Gmbh

03/23/17 / #20170081812

Auxiliary drive

A construction machine for the treatment of ground surfaces includes a machine frame and a work drum supported from the machine frame and including exchangeable tools fastened to the work drum. A drive line includes a work motor and a transmission connecting the work motor to the work drum. ... Wirtgen Gmbh

03/23/17 / #20170080797

Self-propelled construction machine

A self-propelled construction machine, comprises a machine frame, on which a working unit is arranged, and comprises a drive unit for driving the working unit. An additive, in particular a urea solution for operating an exhaust gas treatment system, is provided in an operating material tank which is integrated in the fuel tank or water tank of the construction machine. ... Wirtgen Gmbh

02/16/17 / #20170044727

Automotive construction machine and method for controlling an automotive construction machine

An automotive construction machine, in particular a slipform paver or a road milling machine, has at least one front running gear and one rear running gear in the working direction. As the construction machine advances, the lifting systems of the front running gear are extended or retracted such that the machine frame remains in a predetermined orientation to the surface of the ground in the longitudinal direction. ... Wirtgen Gmbh

02/09/17 / #20170037586

Automotive construction machine and method for displaying the surroundings of an automotive construction machine

The invention relates to an automotive construction machine, in particular a road milling machine, recycler or surface miner, and to a method for displaying an image of the surroundings of an automotive construction machine. The construction machine according to the invention has an image display device for displaying a bird's eye view image of the surroundings of the construction machine, which image display device has a camera system with a plurality of cameras provided on the machine frame for recording individual overlapping image regions of the construction machine surroundings from different image recording positions, and an image processing system. ... Wirtgen Gmbh

02/09/17 / #20170036602

Automotive construction machine and method for displaying the surroundings of an automotive construction machine

The invention relates to an automotive construction machine with a transport device extending in the working direction beyond the machine frame, in particular a road milling machine or surface miner. Moreover, the invention relates to to a method for displaying an image of the surroundings of an automotive construction machine. ... Wirtgen Gmbh

02/02/17 / #20170030033

Self-propelled road milling machine for milling road surfaces, in particular large-scale milling machine, and method for milling road surfaces

In a self-propelled road milling machine for milling road surfaces comprising a milling roller housing arranged at the machine frame between the front and rear chassis axles, it is provided that the rear end, as seen in the direction of travel, of the milling roller housing is flush with a height adjustable stripper shield which laterally rests in the milling track of the milling roller and resiliently against a milling edge of the milling track extending orthogonally to the road surface.. . ... Wirtgen Gmbh

02/02/17 / #20170030032

Self-propelled cold milling machine, as well as method for milling off and transporting away a milled-off stream of material

In a self-propelled cold milling machine, in particular cold milling machine, for working ground surfaces, with a milling drum supported at a machine frame, no less than one conveying device arranged at the machine frame which accepts the milled-off material from the milling drum and discharges said milled-off material, in conveying direction, at a discharge end along a parabolic trajectory onto a point of discharge, it is provided for the following features to be achieved: that the conveying device comprises a shielding device at the discharge end, where said shielding device shields the material milled off and leaving the conveying device without influencing the parabolic trajectory on a part of the path to the point of discharge at least by means of lateral sections.. . ... Wirtgen Gmbh

02/02/17 / #20170030028

Swing over steering

A self-propelled construction machine includes a plurality of swing legs, each swing leg being supported from a ground surface by an associated crawler track steerably connected to an outer end of its associated swing leg. Pivotal movement of a swing leg may be accomplished by steering the associated crawler track through a non-zero steering angle until the lateral movement of the crawler track achieves the desired pivoting movement of the associated swing leg.. ... Wirtgen Gmbh

01/19/17 / #20170016186

Device, as well as method for working ground surfaces or roadways

In a device for working ground surfaces or roadways comprising a machine frame and a working drum in a drum housing arranged at said machine frame, where no less than one spraying device extending parallel to the working drum and featuring several outlet nozzles for spraying agents arranged next to one another and directed towards the working drum is arranged at the drum housing, where the outlet nozzles comprise one each drivable closing mechanism with a closing element which, in an open position, fully uncovers the nozzle channel of the outlet nozzle and, in a closed position, closes the nozzle channel, it is provided for the following features to be achieved: that a controller drives the closing mechanisms, with the outlet nozzles and the related closing elements being adapted to one another in such a fashion that the flow cross-section in the outlet nozzle is variable in accordance with the position of the closing element on a specified path between the open position and closed position.. . ... Wirtgen Gmbh

01/12/17 / #20170009578

Earth working machine and method for wear-optimized operation of an earth working machine

The invention relates to an earth working machine and to a method for wear-optimized operation of such an earth working machine. Provision is made in this context that machine parameters with which the earth working machine is operated are adapted, in consideration of material properties of the substrate to be worked, in such a way that favorable wear behavior exists for the earth working tools being used.. ... Wirtgen Gmbh

01/12/17 / #20170009409

Milling machine for working ground surfaces, transfer device, as well as method for the transfer of milled-off material

In a milling machine for working ground surfaces, comprising a milling device mounted at a machine frame transverse to the direction of travel, comprising at least one first conveying device arranged at the machine frame which accepts the milled-off material from the milling device, at least one second conveying device pivotable, relative to the machine frame and/or the first conveying device, about a horizontal pivoting axis in a predetermined inclination angle range, and laterally about a pivoting axis extending in vertical direction, wherein the first conveying device transfers the milled-off material to the second conveying device, a transfer element with a first transfer opening essentially coaxial to the vertical pivoting axis and open towards the bottom is arranged at the first conveying device, a reception element with a reception opening open towards the top is arranged at the second conveying device, it is provided a lid element covering at least the major part of the reception opening arranged at the reception element, said lid element comprising a passage opening which connects the transfer opening with the reception opening.. . ... Wirtgen Gmbh








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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