Heat insulated piston assembly and method of assembling

Details Heat insulated piston assembly and method of assembling Heat insulated piston assembly and method of assembling

1981-07-06

1984-07-17

Garrett, Robert E.

Expansible chamber devices

Piston

With separable means for pivotally mounting connecting rod...

92187, 92248, F16J 114

Patent

active

044599005

ABSTRACT:
An improved heat insulated piston assembly for an internal combustion engine and a method of assembly. The improved piston assembly includes a piston constructed of a sleeve having an interference fit about a heat insulated core. The core has a first end positioned flush with an end of the sleeve and has a second end located within the sleeve with a concave configured cavity formed therein. Mating in the concave configured cavity of the core is a connecting rod having a spherical ball shaped end. The spherical ball shaped end is securely held in the cavity by a retaining ring which attaches to the piston sleeve. The retaining ring allows for limited movement of the spherical ball shaped end of the connecting rod in the cavity while providing a means for returning the piston to its bottom position during the intake stroke.

REFERENCES:
patent: 1490849 (1924-04-01), Philip
patent: 1790664 (1931-02-01), Horton
patent: 2296469 (1942-09-01), Kastler
patent: 3408995 (1968-11-01), Johnson
patent: 3911891 (1975-10-01), Dowell
patent: 4018194 (1977-04-01), Mitchell et al.
patent: 4114519 (1978-09-01), Speaight
patent: 4245611 (1981-01-01), Mitchell et al.
patent: 4372179 (1983-02-01), Dolenc et al.

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