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US 2020/0224563 A1Published application
Run out tolerant reciprocating cylinder sleeve seal carbon scraper
AssigneeDana Automotive Systems Group, LLC
InventorsTHOMAS G. HELLER, ALEXANDER S. WILLIAMSON
Life of this patent
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Abstract
A reciprocating cylinder seal assembly (10, 10′) has an elastomeric seal, where separate inner (16, 16′) and an outer (18, 18′) valve seal retainers are located within the reciprocating cylinder seal assembly. The reciprocating cylinder seal assembly (10, 10′) better controls radial run out than past seals in reciprocating cylinder engines. Further, the reciprocating cylinder seal assembly may have a scraper (42′) that is in contact with the outer valve seal retainer (18′).
Claims15
A reciprocating cylinder seal assembly 10, 10′, comprising:
- an elastomeric seal 20, 20′;
- characterized by the elastomeric seal 20, 20′ comprising separate inner 16, 16′ and outer 18, 18′ valve seal retainers, wherein the inner valve seal retainer 16, 16′ is disposed within the elastomeric seal and the outer valve seal retainer 18, 18′ is disposed on a radially outer surface of the elastomeric seal 20, 20′.
Dependencies are inferred from the claim text.