HYDRAULIC BRAKE ENERGY REGENERATION SYSTEM FOR ELECTRIC ENERGY STORAGE AND VEHICLE DRIVE ASSIST

A hydraulic drive system for storing and releasing hydraulic fluid includes a high pressure storage device, a low pressure storage device, a pump operating at a range of pump speeds for converting between mechanical energy and hydraulic energy, and a motor operating at a range of motor speeds for co...

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Bibliographische Detailangaben
1. Verfasser:	DURAY, VINCENT, JOSEPH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A hydraulic drive system for storing and releasing hydraulic fluid includes a high pressure storage device, a low pressure storage device, a pump operating at a range of pump speeds for converting between mechanical energy and hydraulic energy, and a motor operating at a range of motor speeds for converting between hydraulic energy and mechanical energy. The pump and motor are both fluidly connected to the high and low pressure storage devices. The hydraulic drive system further includes a control valve fluidly connected to the high pressure storage device, the pump and the motor, the control valve being operable to selectively distribute high pressure fluid between the pump, motor and high pressure storage device. L'invention porte sur un système d'entraînement hydraulique pour stocker et libérer un fluide hydraulique, lequel système comprend un dispositif de stockage haute pression, un dispositif de stockage basse pression, une pompe fonctionnant dans une plage de vitesses de pompe pour une conversion entre une énergie mécanique et une énergie hydraulique, et un moteur fonctionnant dans une plage de vitesses de moteur pour une conversion entre une énergie hydraulique et une énergie mécanique. La pompe et le moteur sont tous les deux reliés aux dispositifs de stockage haute pression et basse pression. Le système d'entraînement hydraulique comprend également une soupape de commande reliée de façon fluide au dispositif de stockage haute pression, à la pompe et au moteur, la soupape de commande étant actionnable pour distribuer de façon sélective un fluide à haute pression entre la pompe, le moteur et le dispositif de stockage haute pression.