Motor

Details Motor Motor

2005-01-11

2005-01-11

Look, Edward K. (Department: 3745)

Motors: expansible chamber type

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

Control valve seating surface contact maintained by fluid...

C091S498000, C092S072000

Reexamination Certificate

active

06840151

ABSTRACT:
A push-push type fluid pressure actuated motor has one or more radial opposed cylinder sets each having a pair of pistons, a connecting rod, and a Scotch-yoke connection to a crankshaft. An intake rotor valve at one face of the cylinder block and an exhaust rotor valve at an opposite face of the cylinder block are mounted on and rotate with the crankshaft. The rotor valves admit pressurized fluid to the cylinder and allow discharge of spent fluid from the cylinders.

REFERENCES:
patent: 546055 (1895-09-01), Pitt
patent: 759828 (1904-05-01), Olney
patent: 780640 (1905-01-01), Conway
patent: 2091912 (1937-08-01), De Lancey
patent: 2147666 (1939-02-01), Park
patent: 3583286 (1971-06-01), Chiappulini
patent: 4106391 (1978-08-01), Wheeler
patent: 5094106 (1992-03-01), Dedisse et al.
patent: 5811676 (1998-09-01), Spalding et al.

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