Crankcase cover plate

Details Crankcase cover plate Crankcase cover plate

2007-04-10

2007-04-10

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

C123S1960CP

Reexamination Certificate

active

11316553

ABSTRACT:
In a cover plate for obturating a crankcase of an internal combustion engine at the bottom end thereof, which cover plate includes suction areas for collecting engine lubricant and on which a balancing shaft is rotatably supported and driven by the crankshaft of the engine via a gear structure, a first gear pump is arranged at one end of the balancing shaft for pumping lubricant from a collection area at the one end of the balancing shaft and a second gear pump is disposed at the opposite end of the balancing shaft for pumping lubricant from the other collection area at the other end of the balancing shaft, each pump having one of its gears mounted on the balancing shaft.

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patent: 7047927 (2006-05-01), Hashimoto et al.
patent: 2006/0207542 (2006-09-01), Takano

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