Gear pump with retaining rings for the end bushes

Details Gear pump with retaining rings for the end bushes Gear pump with retaining rings for the end bushes

1983-02-28

1987-03-10

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

F04C 218, F04C 1500

Patent

active

046488162

ABSTRACT:
Two shafts each containing a gear wheel or gear are each journalled in two bearing bushes. Each bearing bush is mounted in an end or closure bush laterally inserted into a housing. The end bushes each comprise a collar at the axially inner end thereof which overlaps the inner end of the associated bearing bush. The end bushes are each secured to a respective holder or retaining ring which is received in a countersink formed in the housing and which is firmly held intermediate the housing and a cover member. Consequently, the bearing bushes may be separated from the associated shafts by axially displacing the shafts within the housing after removal of the cover members.

REFERENCES:
patent: 1994786 (1935-03-01), Redfield
patent: 3055308 (1962-09-01), Golfieri
patent: 4078872 (1978-03-01), Teruyama
patent: 4268232 (1981-05-01), Haupt

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