Hydraulic pressure source apparatus and vehicle height control a

Details Hydraulic pressure source apparatus and vehicle height control a Hydraulic pressure source apparatus and vehicle height control a

1996-11-26

1999-07-27

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Utilizing lubricant, starter motor, cooling fluid, or fluid...

60531, 60631, 165 47, 165154, F16D 3102, F03C 500, F02N 900

Patent

active

059270713

ABSTRACT:
The hydraulic pressure to be supplied to a hydraulic actuator mounted on a vehicle, such as a hydraulic cylinder for vehicle height control, is arranged to be generated by utilizing a waste heat of a power source such as an engine of the vehicle or the like. There are provided an oil chamber to be connected to a hydraulic actuator, a pressurizing chamber containing therein, in a sealed manner, a medium which varies between a gaseous state and a liquid state, and a heating device which heats and evaporates the medium inside the pressurizing chamber and through which cooling water for cooling the power source to be mounted on the vehicle flows. The hydraulic pressure is generated by compressing the oil chamber by a vapor pressure of the medium inside the pressurizing chamber. In case the hydraulic actuator is a hydraulic cylinder for a vehicle height control, there is provided a flow control valve which controls the amount of supply of the cooling water to the heating device depending on the vehicle height.

REFERENCES:
patent: 3945210 (1976-03-01), Chapin
patent: 5107922 (1992-04-01), So

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