Mechanical power regeneration system

Details Mechanical power regeneration system Mechanical power regeneration system

1986-08-13

1988-08-02

Look, Edward K.

Power plants

Pressure fluid source and motor

Pneumatic motor with gas supply or removal device

60414, 60494, 180165, F16D 3102

Patent

active

047606975

ABSTRACT:
A mechanical power regeneration system for a movable object comprising a sole variable displacement hydraulic pump being driven by the movable object, a first check valve connected between the output side of the pump and a first hydraulic line of a high pressure accumulator unit, a second hydraulic line of a low pressure accumulator unit, a second check valve connected between the second hydraulic line and the input side of the pump, a first controlled valve connected between the first hydraulic line and the input side of the pump and a second controlled valve connected between the second hydraulic line and the output side of the pump. When the movable object is to be slowed down by placing it in a braking mode, hydraulic fluid is transferred by the pump from the low pressure accumulator to the high pressure accumulator. When the movable object is placed in a drive mode, stored energy in the high pressure accumulator is transferred to the input side of the pump to apply a positive traction force to the movable object.

REFERENCES:
patent: 2755898 (1956-07-01), Bell
patent: 4227587 (1980-10-01), Carman
patent: 4246978 (1981-01-01), Schulz et al.
patent: 4351409 (1982-09-01), Malik

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