CONTROL SYSTEMS FOR HYDRAULICALLY ACTUATED TRANSMISSIONS OF ELECTRIC VEHICLES

A system (18) for a transmission (16) of an electric vehicle, including: a pump (34), accumulator (36), control valve (38), sensor (40), check valve (42), and sequence valve (44). The accumulator (36) stores fluid from the pump (34). The control valve (38) modulates pressure to the transmission (16)...

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Bibliographische Detailangaben
1. Verfasser:	BAEUMLER, Richard
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 HEATING LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A system (18) for a transmission (16) of an electric vehicle, including: a pump (34), accumulator (36), control valve (38), sensor (40), check valve (42), and sequence valve (44). The accumulator (36) stores fluid from the pump (34). The control valve (38) modulates pressure to the transmission (16) from the pump (34). The sensor (40) is between the control valve (38) and transmission (16) and generates a signal. The check valve (42) is between the accumulator (36) and pump (34). The sequence valve (44) has: an input (56) communicating with the pump (34), an output (58) communicating with the accumulator (36), a closed position (44A) wherein flow is interrupted between the accumulator (36) and pump (34), and an open position (44B) wherein fluid from the pump (34) can be stored in the accumulator (36); and is movable between positions (44A, 44B) in response to changes in the sensor (40) signal.