Internal-combustion engines – Multiple cylinder – Cylinders in-line
Patent
1983-11-14
1985-02-12
Feinberg, Craig R.
Internal-combustion engines
Multiple cylinder
Cylinders in-line
123197AB, F02B 7532
Patent
active
044984308
ABSTRACT:
This invention is an improvement over the arrangement and couplings between the piston rod and output power shaft in an internal combustion engine.
The piston rod's reciprocating movement is substantially linear along the center line of the rod and piston assisted by a guide slidably coupled to the rod. The rod has a set of gear teeth along its side forming a rack gear.
The output power shaft has at least one sector gear keyed or otherwise affixed thereto. The sector gear engages the gear teeth on the rod only during one direction of the rod's reciprocating movement which is the same direction as the power stroke. The sector gear is disengaged from the rod at the end of the piston's power stroke and remains disengaged, while continuing to rotate, until the beginning of the next stroke with the same direction as the power stroke. When the sector gear is disengaged, the piston and rod are returned to the beginning of the piston's power stroke by an oscillating sector gear which engages a second set of gear teeth on the rod. Timing gears synchronize the moving parts.
A plurality of sector gears, pistons and rods are shown in a second preferred embodiment which permits omitting separate timing gears and oscillating gears.
The invention is a cooler running engine which delivers higher torque than a comparable conventional engine while conserving fuel. A longer piston stroke is allowed which reduces pollution emissions.
REFERENCES:
patent: 1567172 (1925-12-01), Powell
patent: 2088504 (1937-07-01), Brzezinski
patent: 2482136 (1949-09-01), Wright
patent: 2757547 (1956-08-01), Julin
patent: 2914137 (1959-10-01), Sykes
Giuliani Karen A.
Giuliani Mark A.
Giuliani Robert L.
Feinberg Craig R.
Okonsky David A.
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