Tube core apex seal for rotary combustion engine

Details Tube core apex seal for rotary combustion engine Tube core apex seal for rotary combustion engine

1975-05-30

1976-10-12

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

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

418152, 418179, 294205, 29423, F01C 1904, F01C 2100, F04C 2700

Patent

active

039854779

ABSTRACT:
In a preferred embodiment an apex seal for a rotary combustion engine is disclosed having a hollow, thin wall, tubular, metal core member embedded in an extruded composite metal-carbon matrix. The seal is adapted to slidably engage the slot of the rotor in which it rides, and to sealingly engage the rotor housing against which it is spring and gas pressure biased. The incorporation of the hollow tubular core in the extruded seal permits a reduction in weight with no significant loss in flexural strength or wear resistance. It also provides gas pressure balance, end to end.

REFERENCES:
patent: 3180564 (1965-04-01), Fuhrmann et al.
patent: 3263913 (1966-08-01), Fuhrmann et al.
patent: 3619430 (1971-11-01), Hiratsuka et al.
patent: 3869259 (1975-03-01), Lindsey
patent: 3904405 (1975-09-01), Russell et al.

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