About 15 results
https://drivepatents.com/patents/937813 · 14 Sep 2016
The invention relates to a hydraulic assistance circuit for motorizing a vehicle, comprising a first hydraulic machine (M1) forming a pump, a second hydraulic machine (M2) forming a motor, a first hydraulic connection line (11) and a second hydraulic conne...
https://drivepatents.com/patents/945208 · 6 Apr 2016
The invention relates to a hydraulic transmission device for a vehicle, said device comprising a first pump (10) and a second pump (20), a first hydraulic apparatus (11) and a second hydraulic apparatus (21), a first supply circuit (12) connecting the firs...
https://drivepatents.com/patents/971315 · 13 Aug 2014
The machine (100) has a set of elementary machines (M1, M2), where an orifice (R1) of one of the set of elementary machines is connected to another orifice (A1) of the double hydraulic machine. The latter orifice of the one of the set of elementary machine...
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) ...
https://drivepatents.com/patents/981503 · 27 Nov 2013
The apparatus has a hydraulic machine (30) comprising a machine shaft (40) having a proximal end (41) and a distal end (42). A clutch (20) comprises a clutch shaft (50) having a proximal end (51) and a distal end (52). An engaging unit comprises two sets o...
https://drivepatents.com/patents/988340 · 24 Jul 2013
The circuit has four distribution valves, where outlet channels of third and fourth valves are connected to a set of secondary enclosures of elementary motors (M12-M16). The elementary motors are exclusively connected to a pair of valves, formed by the val...
https://drivepatents.com/patents/993311 · 30 Jan 2013
The circuit (C) has a pump controller (5) for controlling displacement of a hydraulic pump (1) e.g. axial-piston pump, with variable displacement, fed by a fuel pump (2). The pump controller is designed as an actuator with double-acting chambers (52), wher...
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/1001169 · 20 Jun 2012
The valve (22) has an inlet orifice connected to a pressure supply unit i.e. hydraulic pump (23), and an outlet orifice connected to a braking unit (25). A leakage orifice is connected to a reservoir (24). A supply distributor (26) connects the inlet orifi...
https://drivepatents.com/patents/1004345 · 14 Mar 2012
The system (1) has hydraulic proportional rear and front intake manifolds (12, 13) and brake distribution valves (10, 11) that define one rest configuration and three braking configurations. A first pressure supply source (2) supplies pressure to right and...