US PATENT SUBCLASS 123 / 313
.~.~ Having a junk ring seal

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

311  DF  FOUR-CYCLE {19}
312  DF  .~ Engine cylinder having a reciprocating sleeve valve {2}
313.~.~ Having a junk ring seal

DEFINITION

Classification: 123/313

Having a junk ring seal:

(under subclass 312) Subject matter in which a sealing ring is provided between the sleeve valve and cylinder head.

(1) Note. The ring is referred to as a junk ring, and is usually located between the head and the inside surface of the sleeve valve.

(2) Note. The junk ring is usually provided to prevent

combustion residue from entering the space provided for sleeve valve and interfering with the operation of said valve.