Rotary piston engine with reciprocating cylinders having sealing

Details Rotary piston engine with reciprocating cylinders having sealing Rotary piston engine with reciprocating cylinders having sealing

1985-01-31

1986-05-20

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Radially disposed cylinders

91493, F01B 1306

Patent

active

045893284

ABSTRACT:
A rotary piston engine capable of operating as a fluid pump or motor having a stationary housing in which is concentrically mounted an outer rotatable member to which two pairs of diametrically opposed pistons are fixedly secured and project radially inwardly to each be received in a reciprocating cylinder. The opposed cylinders of each pair of cylinders reciprocate unitarily and the radially inner ends of such cylinders are slidingly and sealingly contacting the adjacent flat surface of a square cam drivingly connected to a rotatable shaft; the cylinders moving in a translatory manner on the flat cam during rotation of the shaft, with the shaft and cylinders rotating unitarily but eccentrically with respect to the outer rotatable member. Suitable ports are provided in the square cam to join the reciprocating cylinders to a source of pressure fluid. When operated as a motor, upon the supply of pressure fluid to the appropriate cylinder and exhausting of the appropriate cylinders in sequence, the device will cause the shaft to be driven.

REFERENCES:
patent: 1358504 (1920-11-01), Beijer
patent: 2515033 (1950-07-01), Connor
patent: 3036557 (1962-05-01), Kimsey
patent: 3093301 (1963-06-01), Mitchell
patent: 3645172 (1972-02-01), Koivunen
patent: 4413486 (1983-11-01), Irwin

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