Piston for internal combustion engines

Details Piston for internal combustion engines Piston for internal combustion engines

1986-05-27

1988-05-03

Look, Edward K.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92213, 92221, 92224, F16J 104

Patent

active

047412534

ABSTRACT:
A piston for internal combustion engines is disclosed, which includes a piston main body of metallic material, and a ceramic piston head member embedded in the top portion of the piston main body. The piston head member is formed on its peripheral surface with one or more extensions of dovetail section protruding radially outwards and having an axially measured thickness which increases toward the outer end thereof. The piston head member is retained in place with a substantially constant retaining force, even during the operation of the engine.

REFERENCES:
patent: 3000676 (1961-09-01), Cheney et al.
patent: 3369465 (1968-02-01), Harrah
patent: 3402644 (1968-09-01), Geiger et al.
patent: 4404935 (1983-09-01), Kraft
patent: 4506593 (1985-03-01), Sugiyama et al.

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