Engine comprising balance shafts locked by a pin

Details Engine comprising balance shafts locked by a pin Engine comprising balance shafts locked by a pin

2011-04-12

2011-04-12

Kamen, Noah (Department: 3783)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

Reexamination Certificate

active

07921825

ABSTRACT:
A heat engine including at least one engine block that rotatably receives a crankshaft and a cartridge fixed to the engine block and that rotatably receives a pair of parallel balance shafts, namely a primary shaft and a secondary shaft, which are rotated by the crankshaft. A ring gear is rotationally connected to the crankshaft, permanently meshing with a first pinion borne by one end of the primary balance shaft. In addition, a second pinion, borne by the end of the primary balance shaft, meshes with a pinion borne by one end of the secondary balance shaft. Transverse holes extend through the ends of the primary and secondary balance shafts and are configured to be aligned with one another, before the cartridge is mounted to the engine block, to receive a pin.

REFERENCES:
patent: 5535643 (1996-07-01), Garza
patent: 39 26 430 (1991-02-01), None
patent: 0 532 377 (1993-03-01), None
patent: 1 445 509 (2004-08-01), None
patent: 2004 106716 (2004-12-01), None

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