Piston ring for endothermic motors having an improved flame...

Details Piston ring for endothermic motors having an improved flame... Piston ring for endothermic motors having an improved flame...

F - Mech Eng,Light,Heat,Weapons

16

J

121/83

F16J 1/04 (2006.01) F16J 9/08 (2006.01)

Patent

CA 1142819

ABSTRACT OF THE DISCLOSURE: A piston has at least one first piston ring groove for receiving a first compression ring and a flame damper ring groove located above the first compression ring for receiv- ing a floating type flame damper ring. On the outer surface of the flame damper ring, there is provided a groove adapted to receive a second compression ring having tips defining gap. The radial thickness of the second compression ring is lower than that of the first compression ring, the second compression ring being so conformed not to close on the tips when subjected to external pressure but to act with its inner surface on the bottom of its groove. .

352956

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