External axle rotary piston machine

Details External axle rotary piston machine External axle rotary piston machine

1977-08-09

1979-08-21

Croyle, Carlton R.

Rotary expansible chamber devices

Trapped fluid relief

With tooth modification

F04C 2900

Patent

active

041652096

ABSTRACT:
A 1:1 ratio rotary piston machine, with an external axle, which operates with interengaging teeth. Each piston has two teeth which mesh with recesses of the counter piston. That entire flank of each tooth which trails in the direction of rotation is set back with respect to the cycloid described by the trailing corner of the pertaining recess of the counter piston. Each recess is deeper than the path of the corners of the intermeshing teeth.

REFERENCES:
patent: 1645967 (1927-10-01), Patterson
patent: 2604051 (1952-07-01), Johnson
patent: 3439625 (1969-04-01), Warne

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