F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/234, 123/61
F02M 9/00 (2006.01) F02D 17/04 (2006.01) F16K 3/02 (2006.01) F16K 31/122 (2006.01)
Patent
CA 1060294
ABSTRACT OF THE DISCLOSURE The present invention provides an engine air cut-off device which can be connected into the manifold air passage of an internal combustion engine. The device includes a valve body having a passage therethrough which is alignable with the manifold air passage, the valve body incorporating a gate which is reciprocally mounted therein for movement between a retracted position in the body and a closed posi- tion which blocks the manifold air passage. The gate is provided with at least one integrally formed cylindrical bore which has a piston face at one end thereof. Means are provided in the valve body for introducing fluid underpressure into the cylindrical bore so that when the device is actuated the fluid under pressure will be introduced into the bore and will act against the piston face to drive the gate from its retracted to its closed position. Means are also provided for normally biasing the gate to its retracted position. The cut-off device of the present invention is very compact and is relatively simple to manufacture.
268047
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