Apex seal for rotary engines

Details Apex seal for rotary engines Apex seal for rotary engines

1975-09-22

1978-07-18

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

294205, 418178, 418179, 75208R, 428547, B23P 1506

Patent

active

041006640

ABSTRACT:
An improved seal for a rotary engine to reduce leakage at the rotor apex under normal operating temperatures. Opposite edges of the seal have differing coefficients of thermal expansion so that as the seal heats up, thermal expansion forces cancel the effect of non-uniform temperature across the seal to insure flush contact with the housing wall.

REFERENCES:
patent: 2161597 (1939-06-01), Swartz
patent: 2167544 (1939-07-01), De Bats et al.
patent: 2464517 (1949-03-01), Kurtz
patent: 2549939 (1951-04-01), Shaw et al.
patent: 3010196 (1961-11-01), Smith et al.
patent: 3561087 (1971-02-01), Koehler
patent: 3658451 (1972-04-01), Gomada
patent: 3672798 (1972-06-01), Scherenberg
patent: 3830601 (1974-08-01), Yamazaki
patent: 3947161 (1976-03-01), McLain

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