摘要 |
A brake energy recovery system is used on a vehicle including an auxiliary hydraulic system. The recovery system includes a fluid accumulator and normally open and normally closed switches coupled to be closed and opened, respectively, when the brake pedal is depressed. A hydraulic charging valve is coupled to the outlet of a hydraulic pump and moveable from a neutral to a charging position when the normally open switch is closed. A motor valve is coupled to the inlet of the pump and moveable from a neutral to a driving position when the normally closed switch is in a closed position. The charging valve couples the outlet of the pump to the accumulator in the charging position and the motor valve couples the accumulator to the inlet of the pump in the driving position.
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