Asymmetric oval piston with higher convexity thrust face

Details Asymmetric oval piston with higher convexity thrust face Asymmetric oval piston with higher convexity thrust face

1986-07-07

1989-05-23

Garrett, Robert E.

Expansible chamber devices

Piston

Open-ended hollow skirt type

123193P, 291565R, F02F 328, F16J 102

Patent

active

048319198

ABSTRACT:
Pistons are described having oval polar profiles or both oval polar profiles and axial profiles machined to asymmetric curvatures about the plane which includes both the piston axis and the minor axis over at least a part of the skirt length, the asymmetry of the polar profile comprising a greater convexity about the major axis on the thrust face over at least part of the axial length of the skirt region.

REFERENCES:
patent: 1502765 (1924-07-01), Covert
patent: 1758444 (1930-05-01), Jehle et al.
patent: 1939778 (1933-12-01), Jardine
patent: 2044074 (1936-06-01), Jardine
patent: 2309555 (1943-01-01), Venner et al.
patent: 2513814 (1950-07-01), Moore
patent: 2563887 (1951-08-01), Townhill
patent: 2795468 (1957-06-01), Venner et al.
patent: 2911269 (1959-11-01), Jubel
patent: 4302992 (1981-12-01), Skrentner

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