Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1992-01-30
1993-01-19
Kamen, Noah P.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123 4147, 12317931, 1235591, 417364, 418191, F02B 7700
Patent
active
051799219
ABSTRACT:
A combination reciprocating piston device, such as an internal combustion engine, and a rotary machine of the intermeshing gear type, such as a hydraulic pump, are afforded in a compact arrangement that eliminates the need for separate crankshafts or separate rotary machine rotors. This reciprocating piston machine operates with a pair of oppositely rotatable crankshafts which are drivingly connected to the piston such that the piston reciprocates in its cylinder in a true straightline motion. The crankshafts are respectively provided with a pair of balance gears which directly intermesh with one another to coincide the rotational movement of the crankshafts. The balance gears also serve as the rotors for a rotary fluid machine in which the lobes of the rotors provide positive fluid displacement.
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