Bar type seal for rotary mechanism

Details Bar type seal for rotary mechanism Bar type seal for rotary mechanism

1977-11-23

1979-03-13

Croyle, Carlton R.

Rotary expansible chamber devices

With mechanical sealing

Seal on working member periphery separates inlet and outlet...

418152, F01C 1906

Patent

active

041440030

ABSTRACT:
The bar seal for use in a rotary mechanism and which is disposed for sliding movement in a groove and to sealingly engage a surface, has an elongated base structure of high wear resistance characteristic and a body portion of a material having a low coefficient of friction connected to the base structure to form a unitary assembly. The body portion is dimensioned to extend a substantial part of the length of the base structure and of a width to form opposite planar surfaces for contacting the walls of the groove.

REFERENCES:
patent: 3113526 (1963-12-01), Paschke
patent: 3194488 (1965-07-01), Fuhrmann
patent: 3235171 (1966-02-01), Frenzel et al.
patent: 3672798 (1972-06-01), Scherenberg
patent: 3685922 (1972-08-01), Lamm
patent: 3759534 (1973-09-01), Sakamaki
patent: 3820798 (1974-06-01), Lamm
patent: 3873249 (1975-03-01), Rao
patent: 3909310 (1975-09-01), Uy
patent: 3985477 (1976-10-01), Antrim et al.

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