Piston for a reciprocating machine

Details Piston for a reciprocating machine Piston for a reciprocating machine

2008-01-01

2008-01-01

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Piston

Non-circular

C092S16500R

Reexamination Certificate

active

07313999

ABSTRACT:
A piston includes a piston body fitted into a cylinder bore and having a sliding peripheral surface disposed in sliding contact with the inner peripheral surface of the cylinder bore. The sliding peripheral surface of the piston body and the inner peripheral surface of the cylinder bore each have a noncircular cross-sectional form. The sliding peripheral surface of the piston body is formed by an elastically deformable sealing member.

REFERENCES:
patent: 5380166 (1995-01-01), Terauchi
patent: 5421243 (1995-06-01), Burkett et al.
patent: 7131822 (2006-11-01), Shiina
patent: 06346844 (1994-12-01), None

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