Engine with rack gear-type piston rod

Details Engine with rack gear-type piston rod Engine with rack gear-type piston rod

1996-05-31

1997-10-07

McMahon, Marguerite

Internal-combustion engines

Transmission mechanism from piston

1231973, 1231975, F02B 7526

Patent

active

056736657

ABSTRACT:
Disclosed is an engine with a rack gear-type piston rod, including first and second cylinders disposed oppositely to each other along a common axis. The cylinders respectively have first and second pistons that move back and forth along the common axis, and a piston rod, for connecting the first piston to the second piston is provided with upper and lower gear teeth formed on its opposing faces enabling the piston rod to move back and forth in response to the back and forth motion of the pistons. There is also provided a first gear train that includes a pair of gears meshing with the upper and lower gear teeth, respectively. The pair of gears rotate in opposite directions to each other in response to the back and forth motion of the piston rod. Finally, first and second one way clutches are respectively mounted on each side of the upper and lower gears.

REFERENCES:
patent: 1434146 (1922-10-01), Powell
patent: 1734489 (1929-11-01), Jereb
patent: 3868932 (1975-03-01), Toth
patent: 4433649 (1984-02-01), Shin
patent: 4907548 (1990-03-01), Lee

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