Expansible chamber motor with snap-acting valve

Details Expansible chamber motor with snap-acting valve Expansible chamber motor with snap-acting valve

1988-05-17

1989-11-14

Garrett, Robert E.

Motors: expansible chamber type

Cyclically operable

Distributor in piston

91229, 91235, 91321, 91346, 91417R, 91422, 251 75, F01L 1512, F01L 2104, F01B 718

Patent

active

048799432

ABSTRACT:
This invention relates to an air motor having a snap-acting overcentering spring mechanism for snapping the valving of the air motor between first and second positions as the piston completes each stroke in the cylinder to ensure reliable stall-free operation of the motor.

REFERENCES:
patent: 2091390 (1937-08-01), Forman
patent: 2419859 (1947-04-01), Tarr et al.
patent: 2987051 (1961-06-01), Goyette et al.
patent: 3233628 (1966-02-01), Hammelmann
patent: 4127057 (1978-11-01), Stubenruss
patent: 4610192 (1986-09-01), Hartley et al.

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