Timing device for reciprocating positive-displacement engines, s

Details Timing device for reciprocating positive-displacement engines, s Timing device for reciprocating positive-displacement engines, s

1988-04-27

1989-05-30

Cross, E. Rollins

Internal-combustion engines

Valve

Rotary

123 4140, 123190D, 123190DL, 123190E, F01L 700

Patent

active

048340383

ABSTRACT:
For each cylinder a timing device comprises at least one valve (12) in the shape of a solid of revolution which rotates inside a corresponding recess (15) in a seat formed in the cylinder head (1), the surface of the recess mating with that of the valve; at least one intake and/or exhaust pipe (7, 9) which communicates with the recess; at least one pipe (10) which connects the recess with the space inside the cylinder (3) of the reciprocating engine. The valve has at least one facet (13) or a recess or an eccentric hole which allows communication between the intake and/or exhaust pipe (7,9) and the pipe (10) which connects with the space inside the cylinder while the valve itself is rotating. Actuating devices are provided which cause the valve to rotate in synchronization with the phases of the reciprocating engine. The actuating devices of the valve comprise a camshaft (17) to which the valve is connected so that it can rotate and also slide, the axis of the shaft coinciding with the axis of revolution of the solid of revolution which forms the valve itself.

REFERENCES:
patent: 1649235 (1927-11-01), Jones
patent: 1860725 (1932-05-01), Stoner
patent: 2216836 (1940-10-01), Gross
patent: 2369566 (1945-02-01), Hall
patent: 2725043 (1955-11-01), Bacot
patent: 2730089 (1956-01-01), French
patent: 2895459 (1959-07-01), Sbaiz

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