Rotary piston device which displaces fluid in inner and outer va

Details Rotary piston device which displaces fluid in inner and outer va Rotary piston device which displaces fluid in inner and outer va

1977-05-18

1979-11-06

Croyle, Carlton R.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F04C 102

Patent

active

041734386

ABSTRACT:
A variable volume rotary piston device displaces fluid simultaneously in the same direction in expansible outer chambers formed between the outer periphery of the rotary piston and the bore and in expansible inner chambers formed between the walls of a compartment in the rotary piston and a motion transmitting crankarm disposed within the compartment and integral with the shaft which operatively connects piston to shaft so that they rotate together in a one-to-one ratio and simultaneously rock the piston relative to the crankarm. The displacement in inner and outer chambers is out of phase and reduces ripple in the fluid output when the device is operated as a pump.

REFERENCES:
patent: 1310157 (1919-10-01), De Campo
patent: 1622816 (1927-03-01), Sperry
patent: 1636486 (1927-07-01), Planche
patent: 1802887 (1931-04-01), Feyens
patent: 2633805 (1953-04-01), Haugdahl
patent: 3119345 (1964-01-01), Cook

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