Hydraulic displacement machine having gears pressed toward each

Details Hydraulic displacement machine having gears pressed toward each Hydraulic displacement machine having gears pressed toward each

1996-07-01

1998-03-24

Vrablik, John J.

Rotary expansible chamber devices

Pressure fluid radially balances working or rotating...

Counterbalancing fluid directed to intertooth spaces or...

418 78, F01C 118

Patent

active

057305897

ABSTRACT:
A hydraulic displacement machine including two external gears located in the machine housing and meshing with each other, with the teeth of the two gears sealingly engaging the inner surface of the housing, and with meshing teeth of the two gears sealing the two port regions from each other, and an arrangement for communicating pressure prevailing in the port region of the housing having a higher pressure to the port region of the housing having a lower pressure over a circumference of each of the two gears.

REFERENCES:
patent: 2624287 (1953-01-01), Ilyin
patent: 2864315 (1958-12-01), Udale
patent: 3285188 (1966-11-01), Kita
patent: 4087216 (1978-05-01), Shumate
patent: 4239468 (1980-12-01), Smith

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