FIELD: mechanical engineering; piston sealing of internal combustion engines. SUBSTANCE: piston sealing consists of two sealing rings installed in piston groove one over the other. Each ring consists of two half-rings with elastic seals placed in clearance between half-rings. Rings are pressed to cylinder walls by expander. Lock prevents displacement of rings relative to each other. EFFECT: improved sealing of piston. 4 cl, 3 dwg
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Authors
Dates
1998-01-10—Published
1996-01-25—Filed