Apparatus for engaging and disengaging discrete crankshafts in i

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters

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123 52A, F02B 7518

Patent

active

043677037

ABSTRACT:
An internal combustion engine with two crankshafts which are parallel to each other and are installed in a common casing. One of the crankshafts is driven whenever the engine is running and the other crankshaft is driven only when the engine is operated at maximum load. Prior to starting of the cylinders which rotate the other crankshaft, the other crankshaft is gradually accelerated to the speed of the one crankshaft by a friction clutch which is coaxial with the one crankshaft. Once the acceleration of the other crankshaft to the speed of the one crankshaft is completed, and the other crankshaft assumes a predetermined angular position with reference to the one crankshaft, the friction clutch is disengaged and such disengagement entails activation of a positive-engagement clutch between the two crankshafts. The friction clutch can constitute a component part of or it can be integrated into the positive-engagement clutch.

REFERENCES:
patent: 4069803 (1978-01-01), Cataldo

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