Reciprocating cylinder liner seal assembly
AssigneeDana Automotive Systems Group, LLC
InventorsGlenn Buuck, Thomas G. Heller
Life of this patent
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Abstract
A reciprocating cylinder seal assembly has an elastomeric seal with a radially inwardly directed oil sealing lip and a radially inwardly directed gas sealing lip, wherein both lips are in elastomeric-to-metal sealing contact with a reciprocating engine liner. The assembly further has a U-shaped seal retainer that is attached to the elastomeric seal, where the U-shaped seal retainer is placed in direct intimate contact with a cylindrical engine housing. The U-shaped seal retainer and a reciprocating engine housing may be separated by and be in contact with a major portion of a J-shaped gas shield with a hook portion that is located between the oil sealing lip and a manifold port, where the hook portion of the J-shaped gas shield has a metal backer ring embedded in it.
Claims13
A reciprocating cylinder seal assembly, comprising:
- an elastomeric seal with a radially inwardly directed oil sealing lip and a radially inwardly directed gas sealing lip, wherein both lips are in elastomeric-to-metal sealing contact with a reciprocating engine liner;
- and
- a U-shaped seal retainer disposed on the elastomeric seal, wherein the U-shaped seal retainer is in direct intimate contact with a cylindrical engine housing;
- wherein the U-shaped seal retainer comprises steel and is of a unitary, one-piece construction.
A reciprocating cylinder seal assembly comprising:
- an elastomeric seal having a radially inwardly directed oil sealing lip and a radially inwardly directed gas sealing lip in contact with a reciprocating engine liner;
- a U-shaped seal retainer axially disposed upon a radially outward surface of the elastomeric seal;
- and
- a major portion of a J-shaped gas shield located between the U-shaped valve seal retainer and an engine reciprocating engine housing, a hook portion of the J-shaped gas shield is located between the oil sealing lip and a manifold port;
- wherein the hook portion of the J-shaped gas shield has a metal backer ring embedded therein;
- wherein the U-shaped seal retainer comprises steel and is of a unitary, one-piece construction.
Dependencies are inferred from the claim text.