Rotary expansible chamber devices – Pressure fluid radially balances working or rotating... – Counterbalancing fluid directed to rotating member shaft...
Patent
1977-03-08
1978-11-07
Vrablik, John J.
Rotary expansible chamber devices
Pressure fluid radially balances working or rotating...
Counterbalancing fluid directed to rotating member shaft...
418132, F01C 1908, F01C 2102
Patent
active
041243358
ABSTRACT:
A pair of mating gears are mounted for rotation about respective axes in a gear-type fluid displacing pump or motor. Each gear has a pair of shaft portions at opposite axial ends of the respective gear, and bearing members surround respective ones of the shaft portions for journalling the gears. Each bearing member of one of the gears is juxtaposed with a respective bearing member of the other of said gears and, during rotation of the gears, the juxtaposed bearing members are subjected to forces which urge the bearing members to move relative to each other, particularly in direction towards each other. An arrangement is provided to counteract such forces and to oppose such relative movement of the juxtaposed bearing members.
REFERENCES:
patent: 1673259 (1928-06-01), Meston et al.
patent: 3961872 (1976-06-01), Muller et al.
Jons Claus
Schonherr Erich
Wolff Gunter
Robert & Bosch GmbH
Striker Michael J.
Vrablik John J.
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