Rotor for rotary piston engines

Details Rotor for rotary piston engines Rotor for rotary piston engines

1985-06-25

1987-02-24

Croyle, Carlton R.

Rotary expansible chamber devices

With wear surface treatment or integrally plated wear layer

525189, 428419, 428422, F01C 2100

Patent

active

046454403

ABSTRACT:
A rotor for rotary piston engines having flanks coated with coatings of a modified fluorine resin. The modified fluorine resin is prepared with a fluorine resin, such as tetrafluoroethylene resin, and a binder resin, such as epoxy resin. The coating layer is formed by applying the modified resin to the flank surface of the rotor and drying it at a low temperature to have the resin adhered to the flanks. The coating is heat-resistant and has an anti-peel-off property. The coating is softened during engine operation so that it can catch deposits of unburnt residual substances. The rotor is therefore effective to prevent carbon lock.

REFERENCES:
patent: 3981945 (1976-09-01), Attwood
patent: 4041002 (1977-08-01), Aboshi
patent: 4209286 (1980-06-01), Schwartz
patent: 4225295 (1980-09-01), Shimizu

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