piston ring
71L-section ring — A special piston ring characterized by its L shaped cross section. It is used mostly in high performance two stroke engines. The L section ring allows combustion gas to penetrate behind its vertical section and thus uses the gas pressure to… …
72t ring — noun Usage: capitalized T : a ring such that T sections are formed by passing normal radial planes through the ring; specifically : a piston ring having a T shaped cross section …
73packing ring. — See piston ring. * * * …
74grooved compression ring — A scraper type piston ring …
75moly ring — A piston ring with a molybdenum coating …
76packing ring — noun : piston ring …
77spring ring — noun : piston ring …
78packing ring. — See piston ring …
79compression ring — A ring which surrounds the piston and fits in a grove in the piston. It is designed to seal the burning fuel charge above the piston. Generally there are two compression rings per piston and they are located in the two top ring grooves. They also …
80Swing-piston engine — A swing piston engine is a type of internal combustion engine in which the pistons move in a circular motion inside a ring shaped cylinder , moving closer and further from each other to provide compression and expansion. Generally two sets of… …