Oil ring design

Details Oil ring design Oil ring design

1975-12-17

1977-10-11

Aegerter, Richard E.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277216, F16J 906

Patent

active

040531651

ABSTRACT:
This invention relates to a piston ring having two ring elements and a spacer-expander the latter including a series of interconnected parts each comprising two pairs of inwardly directed limbs, the inner ends of which are in contact with and resiliently load the ring elements, and a spacer element which extends transversely to space apart the ring elements at the outer periphery.

REFERENCES:
patent: 2827349 (1958-03-01), Burns
patent: 2886384 (1959-05-01), Hamm
patent: 3081100 (1963-03-01), Nisper
patent: 3381971 (1968-05-01), Mayhew
patent: 3606355 (1971-09-01), Minegishi

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