Static oil seal assembly

Details Static oil seal assembly Static oil seal assembly

1977-05-16

1978-10-17

Croyle, Carlton R.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

F04C 2700

Patent

active

041206223

ABSTRACT:
A static oil seal asembly to be carried within a seal receiving groove in a piston or the like and including a pair of separate, metallic, band-like scraper rails, each having one side adapted to engage a housing and the other side disposed within the groove, and a spacer of impervious, flexible material disposed between the scraper rails and abutting the sides of the scraper rails within the grooves in sealing relation therewith, the spacer including a built-in biasing spring for biasing the spacer rails outwardly of the groove.

REFERENCES:
patent: 3905730 (1975-09-01), Ruf

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