Ceramic insert cast piston

Details Ceramic insert cast piston Ceramic insert cast piston

1987-04-22

1988-05-10

Michalsky, Gerald A.

Expansible chamber devices

Piston

With enclosed insulating space in piston part

92212, 92213, 92224, F02F 300

Patent

active

047427590

ABSTRACT:
Disclosed herein is a ceramic insert cast piston for an internal combustion engine which includes a head made of ceramic, a metal ring fitted around the peripheral portion of the ceramic head, and a piston body made of a metal by casting a metal around the ceramic head with the metal ring thereon, wherein an air insulating layer in the form of an annular groove is formed at the inner periphery of the metal ring and a buffer member is interposed between the ceramic head and the casting metal piston body.

REFERENCES:
patent: 1462655 (1923-07-01), Philip
patent: 4245611 (1981-01-01), Mitchell et al.
patent: 4495684 (1985-01-01), Sander et al.
patent: 4506593 (1986-03-01), Sugiyama et al.
patent: 4553472 (1985-11-01), Munro et al.

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