Staggered configuration for wankel engine spark plugs

Details Staggered configuration for wankel engine spark plugs Staggered configuration for wankel engine spark plugs

F - Mech Eng,Light,Heat,Weapons

02

B

171/93

F02B 55/08 (2006.01) F01C 1/22 (2006.01) F02B 53/12 (2006.01) F02B 1/04 (2006.01) F02B 53/00 (2006.01)

Patent

CA 1048414

A STAGGERED CONFIGURATION FOR WANKEL ENGINE SPARK PLUGS ABSTRACT OF THE DISCLOSURE A rotary internal combustion engine is disclosed having circumferential type cooling circuit for the rotor housing and a plurality of spark plugs extending through the trochoid wall of the rotor housing at a vertically rising zone of said circuit. The plugs are contained by bosses extending through the coolant flow passage; the bosses are arranged to stagger the up-stream sides of said bosses with respect to controlled flow of coolant thereabout, thereby increasing flow control, increasing heat transfer, and preventing a collection of vapor which may act as an insula- tion film hindering heat transfer between said bosses and coolant flow. The centerline of said bosses are preferably skewed with respect to both a plane bisecting the flow longi- tudinally and a plane bisecting the flow transversely, whereby the spark terminals of said plugs may be maintained within narrow offset limits on opposite sides of a center- line of the gas side of said trochoid wall.

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