Composite metal seals for use in rotary internal engines

Details Composite metal seals for use in rotary internal engines Composite metal seals for use in rotary internal engines

1974-07-22

1976-03-30

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

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

418178, 418179, 277235R, F01C 1904, F01C 2100, F04C 2700, F16J 1500

Patent

active

039471616

ABSTRACT:
A composite metal rotor tip seal for use in rotary internal combustion engines and a process for making a composite rotor tip seal. The composite seals are formed from at least two different metals or alloys having different frictional and wear characteristics whereby uniform wear and improved sealing are obtained. The seal is mounted so that different components of the composite contact the chamber wall during operation. A process for producing composite material, for the fabrication of composite seals, utilizing a pressure welding process is also described.

REFERENCES:
patent: 3245387 (1966-04-01), Froede
patent: 3263912 (1966-08-01), Frenzel
patent: 3300124 (1967-01-01), Jones
patent: 3381364 (1968-05-01), Winter

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