Patent application number | Description | Published |
20090071138 | Bladed shell or stator shell for a hydrodynamic torque converter, method for producing a stator shell of said type, and hydrodynamic torque converter having a stator shell of said type - A stator shell for a hydrodynamic torque converter ( | 03-19-2009 |
20090078522 | Hydrodynamic torque converter with coupling spring device for the piston - A hydrodynamic torque converter with a driving pump wheel and a drive turbine wheel that is placed in a housing in such a way that it can rotate is fixed to the drive shaft of a drive unit, and is connected to the housing with a converter bridging coupling that has a piston which remains fixed, with the help of a coupling spring mechanism, but which can be rotated in an axial direction. | 03-26-2009 |
20090091070 | Torsion vibration damper - A torsion vibration damper for a drive train is proposed, including two flange components, forming an input component and an output component, rotatable within limits relative to one another about a common axis of rotation against the effect of at least one energy accumulator, such that the at least one energy accumulator is supported against centrifugal force effects by at least one support element, which is supported radially inside the at least one energy accumulator, wherein the at least one support element is supported rotatable about a rotation axis relative to the flange components. | 04-09-2009 |
20090155078 | Brazed torque converter pump hub assembly and method of fabrication - The invention relates to a more efficient and cost effective method of bonding pump blades and a pump hub to an impeller of a torque converter by the steps of initially assembling the pump blades and the pump hub adjacent and in close proximity to the impeller and bonding the pump hub and the pump blades to the impeller simultaneously while also eliminating the potential for surface defects through multiple heating steps. The invention includes the more efficient methods of manufacturing, but also the brazed/welded assemblies and torque converters comprising the assemblies. | 06-18-2009 |
20090321206 | FORCE TRANSMISSION DEVICE - A force transmission device having a hydrodynamic component, disposed between an input and an output, comprising at least a pump shell and a turbine shell, forming an operating cavity in combination, with an actuatable clutch device for at least partially bridging the hydrodynamic component, comprising a clutch component for at least partially bridging the hydrodynamic component, comprising a first clutch component connected with the input and a second clutch component at least indirectly connected to the output, which can be brought into operative engagement with one another through an actuation device, with a vibration absorber disposed in the force flow at least subsequent to the actuatable clutch device, with a housing coupled with the input or with an element coupled non-rotatably to the input and coupled with the pump shell. | 12-31-2009 |
20100038201 | COMBINED POWER TRANSMISSION, DRIVE UNIT AND DRIVE TRAIN FOR A HYBRID SYSTEM - A combined power transmission and drive unit for the application in drive trains in hybrid systems with at least two prime movers that can be coupled via a power transmission unit with a consumer, in particular transmission. Between a first prime mover and the power transmission unit, a device is provided for connecting/disconnecting the power flow between the latter and the power transmission unit, including a friction clutch that can be actuated by a pressure medium, including a first clutch part and a second clutch part which can be brought in active connection with one another via a servo unit featuring a piston element that can be pressurized by a pressure medium. A combined power transmission and drive unit according to the invention, wherein the means are provided for controlling a rotation speed difference of a flow medium on either face side of a piston element. | 02-18-2010 |
20100062899 | COMBINED POWER TRANSMISSION, START-UP UNIT AND DRIVE SYSTEM - A force transmission device having a hydrodynamic component, disposed between an input and an output, comprising at least a pump shell and a turbine shell, forming an operating cavity in combination, with an actuatable clutch device for at least partially bridging the hydrodynamic component, comprising a clutch component for at least partially bridging the hydrodynamic component, comprising a first clutch component connected with the input and a second clutch component at least indirectly connected to the output, which can be brought into operative engagement with one another through an actuation device, with a vibration absorber disposed in the force flow at least subsequent to the actuatable clutch device, with a housing coupled with the input or with an element coupled non-rotatably to the input and coupled with the pump shell. | 03-11-2010 |
20100084238 | POWER TRANSMISSION DEVICE - A power transmission device for power transmission between an engine and a power output, comprising at least an input and an output, a hydrodynamic component with an impeller- and a turbine wheel and a device for partially bypassing at least the hydrodynamic component with a servo unit featuring a piston element that can be pressurized with hydraulic medium and having means for influencing the circulation rate difference of flow media on both sides of the piston element, wherein the means comprises rotary synchronism with the piston element of the servo unit, a further rotatable piston element disposed in axial direction with a spacing from the piston element of the servo unit. | 04-08-2010 |
20100193320 | TORQUE TRANSMISSION DEVICE - A torque transmission device comprising a torque converter disposed in a drive train of a motor vehicle, in particular a hydrodynamic torque converter or a fluid clutch, wherein the converter or the fluid clutch comprises a turbine shell and a pump shell which can be coupled through a pump clutch and at least one pump damper with a converter cover, and comprising at least one converter damper and at least one converter lock up clutch. | 08-05-2010 |
20110118079 | SHIFTABLE CLUTCH DEVICE, PARTICULARLY FRICTION WET CLUTCH, DRIVE TRAIN FOR A HYBRID SYSTEM AND METHOD FOR OPERATING THE DRIVE TRAIN AND VEHICLE INCLUDING THE DRIVE TRAIN - A shiftable clutch device for disconnecting a first drive machine from a drive train and connecting it thereto, including a control device that can be actuated by a pressure medium, is characterized according to the invention in that the shiftable clutch device includes two partial clutches, a first partial clutch forming a main clutch and a second partial clutch forming a drag clutch, which are disposed and configured such that each is adapted to produce a drag torque in an end position of the control device, a first opening end position characterized by an open state of the main clutch and a second closing end position characterized by a closed state of the main clutch. | 05-19-2011 |
20110154944 | COMBINED POWER TRANSMISSION AND DRIVE UNIT FOR USE IN HYBRID SYSTEMS AND A HYBRID SYSTEM - A combined power transmission and drive unit for use in hybrid systems between a first engine and a transmission device, broadly including at least an input connectable with the engine, a power transmission device by which the output is connected with a transmission input shaft, a device for selectively at least interrupting/establishing the power flow to the input of the power transmission device and an electric machine including at least one rotor that is connected non-rotatably with the input of the power transmission device. Furthermore, the invention relates to a hybrid system, including a first engine and a combined power transmission and drive unit connected downstream of the engine. | 06-30-2011 |