Pistons with ring groove reinforcing

Details Pistons with ring groove reinforcing Pistons with ring groove reinforcing

1992-01-24

1994-04-12

Denion, Thomas E.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92223, 92231, 92260, 1231936, 2988804, 29888042, 29888044, 29888049, F16J 104

Patent

active

053015991

ABSTRACT:
Pistons and a method for their manufacture are described. The piston has at least one piston ring groove reinforcing member being annular in form and having, in cross-section, upper and lower, generally radially extending face portions and a radially inner, generally axially extending face portion between the two generally radially extending face portions, the generally axially extending face portion being coated with particulate material by a physical vapor deposition technique, to provide a porous adhesion assisting layer.

REFERENCES:
patent: 2550879 (1951-05-01), Stevens, Jr.
patent: 2905512 (1959-09-01), Anderson
patent: 3539192 (1970-11-01), Prasse
patent: 4997024 (1991-03-01), Cole et al.
patent: 5094149 (1992-03-01), Munro

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