Hydraulic power packs

Details Hydraulic power packs Hydraulic power packs

1978-11-27

1980-08-26

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having distinct cooling or lubricating structure

60DIG5, 60329, 165 35, F15B 2104

Patent

active

042188857

ABSTRACT:
A hydraulic power pack having a framework, a prime mover driving a hydraulic pump, a hydraulic circuit including a reservoir and flow and return connectors. The power pack also includes an oil cooling system comprising a thermostatically operated valve and an oil cooler in the hydraulic circuit. The valve diverts flow of fluid to the oil cooler when the temperature of the fluid rises above a predetermined limit, before returning the fluid to the reservoir. The oil cooler has a pair of heat exchangers mounted at the respective outlets of a double acting centrifugal fan directly coupled to and driven by the prime mover.

REFERENCES:
patent: 3358442 (1967-12-01), Cryder
patent: 3585797 (1971-06-01), Moon
patent: 3882929 (1975-05-01), Bronicki

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