Piston having oval shaped crown

Details Piston having oval shaped crown Piston having oval shaped crown

1992-03-06

1993-11-16

Look, Edward K.

Expansible chamber devices

Piston

Non-circular

92233, F16V 100

Patent

active

052613216

ABSTRACT:
A piston for connection by a piston pin and connecting rod to a crankshaft for reciprocating in a cylinder of an internal combustion engine. The piston has a crown and top land region, an intermediate region including at least one additional land, and a skirt region. Cross sections through the crown and top land region transverse to the cylinder axis are ovals whose major axes are generally parallel to the longitudinal axis of the piston pin. Cross sections through the intermediate region are either circular or oval, major axes of each of the ovals being generally transverse to the longitudinal axis of the piston pin.

REFERENCES:
patent: 1275064 (1918-08-01), Mason et al.
patent: 1514022 (1924-11-01), Smith
patent: 2262132 (1941-11-01), Berry
patent: 2309555 (1943-01-01), Venner et al.
patent: 2513814 (1950-07-01), Moore
patent: 4362135 (1982-12-01), Irimajiri
patent: 4470375 (1984-09-01), Showalter
patent: 4648309 (1987-03-01), Schellmann
patent: 4831919 (1989-05-01), Bruni

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