Method of assembling an improved heat insulated piston

Details Method of assembling an improved heat insulated piston Method of assembling an improved heat insulated piston

1984-03-26

1985-07-30

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29434, 29447, 29DIG35, 92187, 92189, 92212, 92213, 92220, 123193P, B23P 1510

Patent

active

045312699

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.

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patent: 3191264 (1965-06-01), Underwood et al.
patent: 4018194 (1977-04-01), Mitchell et al.
patent: 4245611 (1981-01-01), Mitchell et al.
patent: 4372179 (1983-02-01), Dolenc et al.

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