Components of a rotary piston machine

Details Components of a rotary piston machine Components of a rotary piston machine

1974-03-11

1976-07-27

Lovell, C.

Rotary expansible chamber devices

With wear surface treatment or integrally plated wear layer

148 166, 148 315, 204164, 204177, B01K 100, C23C 1116

Patent

active

RE0289183

ABSTRACT:
The friction surface of a cast iron side wall member for a rotary piston engine is hardened by iontriding in an electrical glow discharge in a gas atmosphere containing nitrogen, after coating the areas not to be hardened, to inhibit glow discharge at those areas.

REFERENCES:
patent: 2039487 (1936-05-01), Lindemuth
patent: 2916409 (1959-12-01), Bucek
patent: 2946708 (1960-07-01), Berghaus et al.
patent: 3033180 (1962-05-01), Bentele
patent: 3035205 (1962-05-01), Berghaus et al.
patent: 3190772 (1965-06-01), Berghaus et al.
patent: 3536602 (1970-10-01), Jones et al.
patent: 3575537 (1971-04-01), Yamamoto

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