Engine

Details Engine Engine

2005-11-29

2005-11-29

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Vibration compensating device

Balancing arrangement

C123S1950HC

Reexamination Certificate

active

06968822

ABSTRACT:
Cap segment surfaces (9a) and (9b) of a larger-diameter end portion (7) of a connecting rod (5) are positioned at an upper and a lower portions of a crank pin (8) and are inclined from a right upper portion of the larger-diameter end portion (7) of the connecting rod (5) to a left lower portion thereof. A cap (10) is attached by connecting rod bolts (11a) and (11b), head portion (12a) and (12b) of which are arranged vertically along the inclination direction of the cap segment surfaces (9a) and (9b). With a piston (24) existing at a bottom dead center, a weight connection portion (15a) of an upper rotary balancer (4a) is provided with a recess (13a) at a portion oriented leftwards and downwards which comes to face the head portion (12a) of the upper connecting rod bolt (11a).

REFERENCES:
patent: 2001-200893 (2001-07-01), None

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