Machine element or mechanism – Elements – Cranks and wrist pins
Patent
1984-08-30
1986-02-25
Dorner, Kenneth J.
Machine element or mechanism
Elements
Cranks and wrist pins
74665GA, 123192B, F16C 320
Patent
active
045720258
ABSTRACT:
A balancing system for use in for example a motorcycle engine to balance forces generated by a piston and connecting rod arrangement connected to a crankshaft. The crankshaft supports a first gear meshing with a second internal gear supported by an intermediate member such that the intermediate member rotates in the same direction as the crankshaft. The intermediate member supports a third external gear driving one or more balance shafts. In a single balance shaft arrangement, the external gear drives the balance shaft directly. In a twin balance shaft arrangement, the external gear drives one of the balance shafts directly and drives the other balance shaft via a further gear supported by a further intermediate member.
REFERENCES:
patent: 2905011 (1959-09-01), Armstrong et al.
patent: 3511110 (1970-05-01), Grieve
Dorner Kenneth J.
National Research Development Corp.
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