Combustion engine

Details Combustion engine Combustion engine

2007-02-13

2007-02-13

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Multiple cylinder

Having rotary output shaft parallel to cylinders

C123S057100

Reexamination Certificate

active

10533167

ABSTRACT:
A combustion engine comprising; a pair of opposed cylinder elements (2, 3) having a common axis, each cylinder element being provided with a piston (28) reciprocable between first and second locations in the cylinder element the first and second locations respectively representing compression and expansion elements of the piston stroke, each piston having a forward side and a rear side; a combustion chamber (38) for each cylinder element comprising the forward side of the piston (28) and the walls (2) of the cylinder element; combustible gas compression means (37b,37c) for each combustion chamber; supply passage means (41) arranged to deliver combustible gas to each combustible gas compression means; an induction chamber (37a) for each piston arranged to receive compressed combustible gas from the combustible gas compression means; transfer passage means (39) for directing compressed gas from each induction chamber to the respective combustion chamber, and cam means (13) rotatable about the common axis the cam means being located between the pistons and being connected to each of the pistons for converting the reciprocating motion of the pistons into rotary motion of the cam means; wherein the arrangement is such that expansion stroke movement of each piston results in a corresponding compression stroke for the compression means and the pistons are coupled so that an expansion stroke of one of the pistons drives the compression stroke of the other of the pistons.

REFERENCES:
patent: 2401466 (1946-06-01), Davis et al.
patent: 3757748 (1973-09-01), Arney
patent: 5218933 (1993-06-01), Ehrlich
patent: 6098578 (2000-08-01), Schuko
patent: 58127 (1986-08-01), None
patent: 48826 (1990-03-01), None

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