Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1981-02-12
1983-01-18
Argenbright, Tony M.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123 52A, F02B 7518
Patent
active
043687016
ABSTRACT:
An internal combustion engine wherein each of several groups of cylinders rotates a discrete crankshaft which, in turn, rotates a discrete camshaft. When the engine is operated at partial load, a single group of cylinders is in use to rotate a first crankshaft. Prior to starting a second group of cylinders, the corresponding second crankshaft, which is coaxial with the first crankshaft, must be accelerated to the angular velocity of the first crankshaft and the second crankshaft must assume a predetermined angular position with reference to the first crankshaft to thereby ensure a proper sequence of firing of the cylinders. This is accomplished by installing a positive-engagement clutch between the first and second crankshafts and a friction clutch between the corresponding camshaft. The friction clutch accelerates the second crankshaft through the medium of the corresponding camshaft and the clutch between the two crankshafts is engaged when the angular velocity of the second camshaft matches the angular velocity of the first camshaft as well as when the angular position of the second camshaft relative to the first camshaft is indicative of proper angular positions of the two crankshafts with respect to each other. The accelerating clutch is disengaged in response to or simultaneously with engagement of the clutch between the two crankshafts.
REFERENCES:
patent: 4069803 (1978-01-01), Cataldo
Friedmann Oswald
Huber Lothar
Argenbright Tony M.
Luk Lamellen und Kupplungsbua GmbH
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