Pressure-balancing end plate for a reversible gear pump or motor

Details Pressure-balancing end plate for a reversible gear pump or motor Pressure-balancing end plate for a reversible gear pump or motor

1979-12-03

1982-01-19

Vrablik, John J.

Rotary expansible chamber devices

Pressure fluid radially balances working or rotating...

Counterbalancing fluid directed to intertooth spaces or...

418 78, 418131, F03C 208, F04C 218, F04C 1500

Patent

active

043114440

ABSTRACT:
A reversible gear pump or motor capable of sustained operation under unusually high pressure conditions is provided with a unique diverter plate having pressure-transmitting paths in the ends of the plate which open to the gear teeth on both the high and low pressure sides of the pump or motor. In operation, the high pressure is transmitted through the specially formed paths to areas of the gears on the low pressure side. The pressure acts as a counter force which pushes the gears towards a centered position and reduces bearing loads without increasing the pressure forcing the gears towards one another.

REFERENCES:
patent: 2310078 (1943-02-01), Herman
patent: 2714856 (1955-08-01), Kane
patent: 3833319 (1974-09-01), Eglington
patent: 4087216 (1978-05-01), Shumate
patent: 4239468 (1980-12-01), Smith

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