Apex seal with filled aperture

Details Apex seal with filled aperture Apex seal with filled aperture

1989-02-13

1990-06-05

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

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

277192, F01C 1904

Patent

active

049310011

ABSTRACT:
A rotary internal combustion engine includes a rotor with apex seals installed in slots which extend axially through apexes of the rotor. Each apex seal includes at least one passage which extends therethrough in a circumferential direction to equalize gas pressure on opposite sides of the apex seal. An insert formed out of a low friction material is loosely received in each passage to reduce the volume exposed to gas pressure.

REFERENCES:
patent: 3185387 (1963-04-01), Paschke
patent: 3207426 (1965-09-01), Gassmann
patent: 3752607 (1973-08-01), Bilobran
patent: 4104011 (1978-08-01), Ernest
patent: 4790734 (1988-12-01), Eiermann

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