Gerotor pump with shiftable rotor boss

Details Gerotor pump with shiftable rotor boss Gerotor pump with shiftable rotor boss

1993-04-23

1994-08-02

Bertsch, Richard A.

Rotary expansible chamber devices

Self-acting unidirectional flow with reverse rotation or...

F01C 2116

Patent

active

053340027

ABSTRACT:
A gerotor pump comprises the usual lobed annulus 30 containing the lobed rotor (not shown in FIG. 2) which is journalled on cylindrical boss 36. The boss is free to turn on the eccentric pin 38 between positions controlled by limit pin 42 encountering end abutments. This enables the pump to automatically adjust to the variable direction of drive of the annulus--in this case via coupling 32--so as to be unidirectional in fluid output via flow passages 16 18.

REFERENCES:
patent: 3478693 (1969-11-01), Bangs

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