Rotary expansible chamber devices – Pressure fluid radially balances working or rotating... – Counterbalancing fluid directed to intertooth spaces or...
Patent
1976-10-05
1978-05-02
Croyle, Carlton R.
Rotary expansible chamber devices
Pressure fluid radially balances working or rotating...
Counterbalancing fluid directed to intertooth spaces or...
418131, F04C 2700, F04C 2900
Patent
active
040872165
ABSTRACT:
Method and apparatus are disclosed for counterbalancing the high pressure forces normally generated in the high pressure fluid region of a rotary pump or motor and exerted against the rotating structure of the pump or motor. By this method and apparatus a portion of the fluid in the high pressure region of the pump housing is transported to a region of the housing interior adjacent to, but out of communication with the low pressure fluid region. This transported high pressure fluid is directed against the rotating structure in the direction of the high pressure fluid region. Consequently, the rotating structure of the pump or motor is less subject to distortion or displacement due to forces generated by fluid in the housing's high pressure fluid region.
REFERENCES:
patent: 2624287 (1953-01-01), Ilyin
patent: 2626570 (1953-01-01), Armington et al.
patent: 2824524 (1958-02-01), Banker
patent: 3029739 (1962-04-01), Nagely
patent: 3474736 (1969-10-01), Lauck
patent: 3781149 (1973-12-01), Weaver et al.
patent: 3964844 (1976-06-01), Whitmore
Croyle Carlton R.
Permco, Inc.
Smith Leonard
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