Vane pump having sleeve bearing and rotor retaining construction

Details Vane pump having sleeve bearing and rotor retaining construction Vane pump having sleeve bearing and rotor retaining construction

1980-01-15

1982-10-19

Vrablik, John J.

Rotary expansible chamber devices

Positively actuated vane

418270, 403316, 403326, 403360, F04C 200, F04C 1500, F16B 2118, F16D 106

Patent

active

043548083

ABSTRACT:
A mode of assembly for a vane pump rotor and drive shaft provides a construction wherein a plain, i.e., sleeve or collar type bearing can be used for the support of the drive shaft. The arrangement affords axial positional securing, i.e., axial fixation of the drive shaft with a spring ring peripherally confined by a recess in the pump rotor to prevent its being dislodged and thus affording safety in maintaining axial securement of the drive shaft.

REFERENCES:
patent: T927009 (1974-10-01), Ulrich
patent: 2435279 (1948-02-01), Hubacker
patent: 3200752 (1965-08-01), Clark et al.
patent: 3709530 (1973-01-01), Redding

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