Gear pump bearings

Details Gear pump bearings Gear pump bearings

1985-12-26

1987-07-28

Vrablik, John J.

Rotary expansible chamber devices

Methods

418131, 418206, 291564R, 29557, F04C 218, B23P 1304, B23P 1514

Patent

active

046829385

ABSTRACT:
Variations in pump capacity of gear pumps due to varying leakage paths occurring in otherwise identical pumps as a result of the manufacturing operation are minimized without unduly hindering the fitting of the bearings through the pump housing by maintaining the distance "TBD" between the center of the bearing journal and the bearing flat closely within tolerances and by providing a relief in the bearing periphery diametrically opposite of the flat.

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patent: 4336006 (1982-06-01), Grabow et al.
patent: 4395207 (1983-07-01), Manttari et al.

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