Apex seal for rotary piston engines

Details Apex seal for rotary piston engines Apex seal for rotary piston engines

1986-01-07

1987-09-15

Rutledge, L. DeWayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

428679, 418178, 418179, B32B 1500, F01C 2108

Patent

active

046939423

ABSTRACT:
A method for manufacturing an apex seal for rotary piston engines, comprising steps of providing a substrate made of an iron based material and having a portion wherein a sliding surface is provided, spraying the portion of the substrate with a molten-state Co-Mo-Si type intermetallic compound to form a coating of the compound, heating the coating of the compound by applying electron beams or laser beams to thereby make the intermetal compound dispersed in the substrate, heating the substrate to 580.degree. to 780.degree. C. to anneal it and machining the substrate into a configuration of the apex seal. The apex seal made in accordance with this method is also disclosed.

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patent: 3938814 (1976-02-01), Cromwell
patent: 4212900 (1986-07-01), Serlin
patent: 4232094 (1980-11-01), Rhodes et al.
patent: 4409298 (1983-10-01), Abertson et al.
patent: 4532191 (1985-07-01), Humphries et al.
patent: 4537167 (1985-08-01), Eudier et al.
Price et al, Chem. Abs. 88:124933t, "Some Comparative Properties of Laves . . . ", 1978.
Manolache et al., Chem. Abs. 46:185343n, "Effect of Sintering Comparative . . . , Tribaloy", 1981.
Halstead et al, Chem. Abs. 103:41031z, "The Effect of Iron Additions . . . Tribaloy . . . ", 1985.

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