Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Separate motive fluid control for each working chamber
Patent
1975-07-03
1978-02-14
Freeh, William L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Separate motive fluid control for each working chamber
123 44R, F01B 106, F02B 5708
Patent
active
040732169
ABSTRACT:
Valve control apparatus adapted for use in a rotary engine or pump having a cylinder block rotatable about an axis and including a plurality of cylinders and corresponding pistons radially arranged about the axis, a plurality of valves each disposed in a different one of the cylinders, and a plurality of tappet mechanisms each of which when actuated operates to alternately open and close a different one of the valves. The valve control apparatus includes a cam ring having first and second generally circular cam tracks defined therein for contacting and actuating certain ones of the tappet mechanisms. The cam tracks are disposed in substantially parallel planes and each includes a pair of lobes positioned diametrically opposite in the cam ring. The cam ring is adapted to rotate about the axis in the same direction as the cylinder block but at a speed different therefrom to provide for coaction between the cam tracks and the various tappet mechanisms. With this configuration, the valves for six radially arranged cylinders can be controlled to alternately open and close with each rotation of the cylinder block.
REFERENCES:
patent: 806125 (1905-12-01), Farwell
patent: 1060297 (1913-04-01), Tawgeman
patent: 1227452 (1917-05-01), Kenyon
patent: 1360637 (1920-11-01), Hodge
patent: 1381181 (1921-06-01), Gockerell
patent: 1461089 (1923-07-01), Hall
patent: 2683422 (1954-07-01), Richards
patent: 3521533 (1970-07-01), Avermaete
patent: 3857371 (1974-12-01), Gibson
Energy Research
Freeh William L.
Thorpe Calvin E.
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