About 38 results
https://drivepatents.com/patents/990644 · 22 May 2013
A first rotational shaft (6), a second rotational shaft (10), and an output shaft (16) are juxtaposed and provided in a casing (2), and a drive gear (14) provided on the second rotational shaft (10) and a driven gear (19) of the output shaft (16) are meshe...
https://drivepatents.com/patents/990733 · 15 May 2013
The drive (1) has a hydropump (18) for driving four hydromotors (10-16) connected as pairs in series. A control valve (63) is arranged between two of the hydromotors arranged in series, and connects two pressure medium flow paths (61, 62). A valve device (...
https://drivepatents.com/patents/985049 · 17 Apr 2013
The drive (1) has a drive train (3) transferring a drive power to an output device (4) i.e. front cardan shaft (20), another output device (5) i.e. rear cardan shaft (23), and a third output device (6) i.e. power take-off shaft (26). A transmission (7) i.e...
https://drivepatents.com/patents/994665 · 26 Dec 2012
The system (1) has the hydraulic machine units (4,6) whose working chambers (16a,16b,20a,20b) are mechanically coupled with the pressure medium inlets (17a,17b,21a,21b) and pressure medium outlets (18a,18b,22a,22b) respectively. The medium inlets (17a,17b)...
https://drivepatents.com/patents/997290 · 10 Oct 2012
The vehicle has a vehicle drive with an internal combustion engine (4) for driving a wheel (2) or an axle and a hydrostatic additional drive (10) for driving another wheel or another axle, where the hydrostatic additional drive has an adjustable hydraulic ...
https://drivepatents.com/patents/997543 · 3 Oct 2012
To provide an electric vehicle capable of protecting a coupling portion between a wheel and an axle from disturbance. An electric vehicle (10) includes an axle (52) that is a hollow cylindrical shaft passing substantially coaxially through a wheel (90) in ...
https://drivepatents.com/patents/1010448 · 10 Aug 2011
According to the present invention an improved hydraulic transmission system is provide which comprises: supply means (3) adapted to supply a variable flow rate of hydraulic working fluid, said supply means comprising hydraulic adjustment means (77) for ad...
https://drivepatents.com/patents/1073540 · 5 Oct 2005
The system has a main engine drivingly connected to a hydraulic pump having a displacement volume which is variable by a pump actuator. The hydraulic pump is drivingly connected to a hydraulic motor which is drivingly connected to a wheel engaging the grou...
https://drivepatents.com/patents/1076729 · 22 Jun 2005
A prime mover control device of a construction machine according to the present invention includes a hydraulic pump (11) driven by a prime mover (40), a hydraulic traveling motor (5) driven with pressure oil output from the hydraulic pump (11), and a contr...
https://drivepatents.com/patents/1076960 · 15 Jun 2005
A hybrid vehicle is provided that can be made to travel by means of motor generators (MG1, MG2) while an engine (E) is stopped, the engine (E), which can reduce pumping loss by running with a cylinder in a cut-off state, being connected to a front wheel (W...