Aluminum plunger piston with thermal expansion regulating strip,

Details Aluminum plunger piston with thermal expansion regulating strip, Aluminum plunger piston with thermal expansion regulating strip,

1985-07-31

1987-06-02

Feinberg, Craig R.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92228, 92229, F16J 104

Patent

active

046693661

ABSTRACT:
In a plunger piston for internal combustion engines, having a regulating strip in the piston body, the regulating strip is arranged in the axial middle third of the height of the piston body and the regulating effect is designed so that the piston body possesses its narrowest installation play uniformly at the level of the regulating strip equally in the cold installation state and in the engine operation. Above and below this region with minimum installation play the piston body possesses spherically retracted end regions at its upper and lower ends for the generation of hydrodynamic lubricant oil wedges.

REFERENCES:
patent: 4314531 (1982-02-01), Bruni

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