Power plants – Pressure fluid source and motor – With means purging – cleaning or separating undesirables from...
Patent
1997-12-15
1999-08-31
Lopez, F. Daniel
Power plants
Pressure fluid source and motor
With means purging, cleaning or separating undesirables from...
60486, F16D 3102
Patent
active
059438614
ABSTRACT:
A hydraulic system for a motor vehicle having a first flow circuit for steering power assist and a second flow circuit for a radiator cooling fan. The first flow circuit includes a reservoir, a power steering pump connected to the reservoir through a first inlet conduit and a first return conduit, a steering assist fluid motor, and a first flow control valve. The second flow circuit includes the aforesaid reservoir, a second pump connected to the reservoir through a second inlet conduit and a second return conduit, a second fluid motor for the radiator cooling fan in the second return conduit, and a second flow control valve. Fluid in the first return conduit is conducted into the reservoir substantially without turbulence. Fluid in the second return conduit is conducted into the reservoir as a jet stream aimed at a submerged passage in a venturi tube. The submerged passage communicates with a feeder conduit between the reservoir and each of the first and the second inlet conduits. The kinetic energy of the jet stream is converted into fluid pressure in the feeder conduit and in each of the first and the second inlet conduits to suppress cavitation.
REFERENCES:
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patent: 5477882 (1995-12-01), Duthie
Aden David R.
Clifford Scott William
Davison James Leroy
Leibinger James
Anderson Edmund P.
General Motors Corporation
Lopez F. Daniel
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