About 43 results
https://drivepatents.com/patents/997854 · 26 Sep 2012
Provided is a hybrid construction machine (driving the upper swing structure (20) using a hydraulic motor (27) and an electric motor (25) together) capable of regenerating the energy of the upper swing structure (20) in deceleration or stopping into electr...
https://drivepatents.com/patents/999030 · 29 Aug 2012
The claimed innovation relates to an energy accumulator using compressed air for hybrid electric vehicles, which makes it possible to recover the electric energy generated from the vehicle kinetic energy, and store it using compressed air. This configurati...
https://drivepatents.com/patents/999751 · 1 Aug 2012
The device (10) has a fluid accumulator (22) to store and deliver pressurized fluid. A hydraulic motor (16) acts as a hydraulic pump (20) conveying the fluid in the accumulator in an energy recovery mode. The motor is driven by the fluid delivered by the p...
https://drivepatents.com/patents/1000622 · 4 Jul 2012
A hybrid drive system for use in a drive train assembly of a vehicle includes a control apparatus that operates the hybrid drive system in either a normal energy recovery mode in response to a braking request or an extended braking mode in response to an e...
https://drivepatents.com/patents/1000862 · 27 Jun 2012
The vehicle drive (1) has an internal combustion engine (2) with a combustion chamber limited by a cylinder (4) and a piston. A gas supplying medium is arranged for supplying gas from an expansion machine (23) into the combustion chamber, or in an intake d...
https://drivepatents.com/patents/1014367 · 30 Mar 2011
A hybrid construction machine includes an engine (8), a generator motor (14), and a hydraulic pump (9). They constitute a power unit (U2), and are connected in series, with the generator motor (14) being disposed between the engine (8) and the hydraulic pu...
https://drivepatents.com/patents/1069831 · 22 Feb 2006
A pump-motor unit (35) including a swashplate (95) having a neutral position (FIG. 3) and first and second displaced positions and comprising first (87) and second (89) pressure actuators associated with the swashplate. Displacement of the swashplate is pr...
https://drivepatents.com/patents/1075211 · 10 Aug 2005
A motor vehicle kinetic energy recovery system uses one or more cylinders of an internal combustion engine as the first or primary stage in a multi-stage high pressure air compression system, a compressed air storage system, compressed air operated drive t...
https://drivepatents.com/patents/1081338 · 22 Dec 2004
The arrangement has a gearbox (12) arranged after the drive machine (11) and via which the hydraulic pump (29) is driven. A differential gear (14) is arranged after the gearbox and the hydraulic pump is driven via the differential gear. The differential ge...
https://drivepatents.com/patents/1083992 · 15 Sep 2004
Described herein is an engine/pump of a pneumatic type, having a stator (BA) with radial cylinders, within which there can slide respective pistons (P), each carrying a roller (RO) that engages an annular cam (CM) carried by a rotor. A guide system forces ...