Power plants – Motor operated by expansion and/or contraction of a unit of... – Unit of mass is a gas which is heated or cooled in one of a...
Patent
1991-04-15
1992-09-15
Ostrager, Allen M.
Power plants
Motor operated by expansion and/or contraction of a unit of...
Unit of mass is a gas which is heated or cooled in one of a...
74 44, 74 45, F02G 1053
Patent
active
051467496
ABSTRACT:
An improved technique for balancing inertia forces and rocking couples of a Ross-type Stirling machine (U.S. Pat. Nos. 4,138,897; 4,532,819 and 4,738,105). Two counter-rotating balance masses are used, one on the crankshaft and one on a separate balance shaft. These balance masses lead the throw of the crankshaft by more than 180 degrees of rotation. The axis of the balance shaft is positioned so that a line connecting it and the axis of the crankshaft is inclined with respect to the cylinder axes toward the heavier piston of the machine. The new technique is also applicable to other machines having separate parallel cylinders in which pistons of unequal mass reciprocate out of phase.
REFERENCES:
patent: 4138897 (1979-02-01), Ross
patent: 4532819 (1985-08-01), Ross
patent: 4546663 (1985-10-01), Ross et al.
patent: 4738105 (1988-04-01), Ross et al.
Ross Melvin A.
Wood James G.
Foster Frank H.
Ostrager Allen M.
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