Power plants – Pressure fluid source and motor – With means purging – cleaning or separating undesirables from...
Patent
1976-03-11
1977-08-23
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
With means purging, cleaning or separating undesirables from...
60477, 60DIG10, 60454, F15B 1518, F15B 2104
Patent
active
040431274
ABSTRACT:
A closed-loop hydrostatic drive unit having a variable displacement fluid pump driven by an electric motor for generating high-pressure fluid adapted to be communicated to a fluid motor and returned to the fluid pump via a high-pressure filter. The closed-loop hydrostatic drive unit is mounted to a rectangularly-shaped reservoir housing having upper and bottom surfaces connected by side walls and end walls to define therein a chamber for the storage of fluid at a low pressure which is communicated to the fluid pump via a charge pump and suitable conduits and check valves. In a first embodiment of the invention the interior of the reservoir housing is divided by means of a partition to define the fluid-holding chamber, while the remaining portion of the reservoir housing defines a separate chamber for the mounting and storage of the high-pressure filter and/or other selected fluid power components. In a second embodiment of the invention the housing walls define the fluid holding chamber while the high-pressure fluid filter housing extends into and is stored within the low-pressure fluid holding chamber.
REFERENCES:
patent: 2460058 (1949-01-01), Brodeur
patent: 2543989 (1951-03-01), Rockwell
patent: 3225543 (1965-12-01), Vivier
patent: 3791148 (1974-02-01), Alcock et al.
patent: 3928969 (1975-12-01), Picker
Basile Andrew R.
Geoghegan Edgar W.
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