About 24 results
https://drivepatents.com/patents/943317 · 11 May 2016
A powertrain waste heat recovery system includes a first powertrain component and a second powertrain component. The powertrain waste heat recovery system also includes a heat recovery circuit circulating a heat recovery fluid through a heat recovery heat ...
https://drivepatents.com/patents/945599 · 23 Mar 2016
The invention relates to a retarding brake device (16) for a motor vehicle drive train, comprising a retarder (17) whose drive shaft (20) is coupled to a first switching element (28), by means of which a connection of the drive shaft (20) to an output side...
https://drivepatents.com/patents/945889 · 16 Mar 2016
The invention relates to a permanent braking device (1) for a powertrain of a motor vehicle, comprising at least one retarder connected downstream of a motor vehicle transmission, which is connected via an intermediate high-reduction stage (14) to an outpu...
https://drivepatents.com/patents/946127 · 9 Mar 2016
A hydrodynamic retarder (2) comprises a rotor (14) having rotor blades (24) and a stator (6) having stator blades (26), wherein a chamfer (46, 56) of the blade edge (60, 66) is provided on at least one rotor blade (24) and at least one stator blade (26). U...
https://drivepatents.com/patents/948933 · 16 Sep 2015
The invention relates to a method for adjusting at least one target speed for controlling the speed of a vehicle, wherein the speed control comprises a driver desired speed control and a braking speed control. The driver desired speed control sets a first ...
https://drivepatents.com/patents/960004 · 17 Jun 2015
This fluid-type retarding device includes: a rotating disk provided to a rotating shaft; a rotating housing that includes paired disk portions and a cylinder portion connecting outer circumferential portions of the disk portions so as to surround the rotat...
https://drivepatents.com/patents/960269 · 3 Jun 2015
The invention describes a vehicle comprising an internal combustion engine, one or more hydraulic control circuits operatively connected to the internal combustion engine, wherein each hydraulic circuit is configured for controlling one or more devices of ...
https://drivepatents.com/patents/961592 · 15 Apr 2015
The invention relates to a hydrodynamic retarder device (1) comprising a stator (5) and a rotor (4), which can be coupled to a shaft (2) for braking operation. In order to provide a retarder device (1) in which the switchability of the rotor (4) is realize...
https://drivepatents.com/patents/973783 · 11 Jun 2014
The method involves reducing a braking torque (M-int) of the hydrodynamic retarder by exceeding a predetermined maximum temperature (T-K-max) of a coolant, such that the cooling capacity of the coolant is optimally utilized. The coolant-side power adaptati...
https://drivepatents.com/patents/974934 · 14 May 2014
The method involves carrying out feedback control of the braking power of the retarder for protection of the retarder or the working medium of the retarder from overheating. The feedback control of the braking power of the retarder is carried out as a func...