Engine having axially opposed cylinders

Details Engine having axially opposed cylinders Engine having axially opposed cylinders

2006-10-13

2010-06-22

Kamen, Noah (Department: 3741)

Internal-combustion engines

Transmission mechanism from piston

Crankshaft and connecting rod

C123S055200, C123S063000

Reexamination Certificate

active

07739998

ABSTRACT:
This invention relates to an engine (5) having axially opposed cylinders (C). The engine (5) has a first cylinder (C) having a first cylinder opening and a first cylinder head (H), a first piston (10) that reciprocates in the first cylinder opening, a second cylinder (C) having a second cylinder opening and a second cylinder head (H), and a second piston (30) that reciprocates in the second cylinder opening. The first cylinder opening and the second cylinder opening are in facing relationship such that the first cylinder and the second cylinder are axially opposed. The first piston (10) and the second piston (30) are connected such that the first piston (10) moves toward the first cylinder head (H) when the second piston (30) moves away from the second cylinder head (H) and such that the first piston (10) moves away from the first cylinder head (H) when the second piston (30) moves toward from the second cylinder head (H).

REFERENCES:
patent: 1419693 (1922-06-01), Schultz
patent: 3319416 (1967-05-01), Renshaw
patent: 4683847 (1987-08-01), Fujikawa et al.
patent: 5331926 (1994-07-01), Vaux et al.
patent: 2002/0062804 (2002-05-01), Sanada et al.
International Search Report and Written Opinion Under Date of Mailing of Mar. 6, 2007, in connection with International Patent Application No. PCT/US2006/040191.

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