About 43 results
https://drivepatents.com/patents/962737 · 4 Mar 2015
In a hydraulic circuit (30) for a vehicle including an EHPS system (10) and a hydraulic pressure supply system (20), the hydraulic pressure supply system (20) includes a cylinder (32) configured to store second hydraulic pressure (P2) while a vehicle 1 is ...
https://drivepatents.com/patents/962875 · 25 Feb 2015
A hybrid drive vehicle control method for a hybrid drive vehicle which includes a prime mover, drive wheels, a hybrid mechanism having an energy storage device, an electrical controller, and a mechanical gear set mechanically connecting the prime mover, th...
https://drivepatents.com/patents/962824 · 25 Feb 2015
The invention relates to a hydrostatic drive (2) configured as an adjustable machine with an adjustable displacement volume and operatively connected to an internal combustion engine (3), wherein the drive (2) in pump operation draws pressure medium from a...
https://drivepatents.com/patents/968343 · 22 Oct 2014
In a hybrid drive system (A) for a work vehicle (F) with a mechanical drive train between an internal combustion engine (5) and a drive axle (2) as well as a parallel hydraulic hybrid module (H), which has a hydraulic unit (11) operable as a motor or pump,...
https://drivepatents.com/patents/970782 · 27 Aug 2014
The device (30) has an actuator mechanism for actuating a non-return valve (32) between a blocking position (32a) in which a compound of a suction side (S) is closed with a container (9) in a flow direction of the suction side and an open position in which...
https://drivepatents.com/patents/973393 · 25 Jun 2014
When the total value of demanded hydraulic power and demanded traveling power is larger than the sum of the engine power that can be output by an engine (1) and of the discharge power that can be discharged by an electrical storage device (3), the actual p...
https://drivepatents.com/patents/974351 · 28 May 2014
The hydrostatic engine (7) has a hydraulic starter configured for starting an internal combustion engine (2). The displacement volume of the engine is adjusted by volume positioning device (50) connected to an adjusting device (52). The volume positioning ...
https://drivepatents.com/patents/974352 · 28 May 2014
The powertrain (1) has drive unit (3) that drives combustion engine (2) which drives work hydraulic system (4) and hydraulic pump (7). The engine driven hydraulic pump is used as pump and motor to perform sucking operation of pressure medium from container...
https://drivepatents.com/patents/974350 · 28 May 2014
The train (1) has a working hydraulic system (4) comprising a hydraulic pump (7) that is propelled by an internal combustion engine (2). A feed pump (20) is propelled by the combustion engine for supplying a feed circuit (23). The feed pump is operated as ...
https://drivepatents.com/patents/979361 · 22 Jan 2014
The circuit has a secondary line (13) connecting an accumulator (11) to a hydraulic unit (1). A primary distributor (15) selectively connects the hydraulic unit to the accumulator or reservoir (R). The secondary line comprises a secondary distributor (16) ...