Machine element or mechanism – Elements – Pitmans and connecting rods
Patent
1991-09-27
1993-06-15
Braun, Leslie A.
Machine element or mechanism
Elements
Pitmans and connecting rods
74 44, 74331, 74413, 74603, 1231921, 1231922, F16C 304
Patent
active
052188850
ABSTRACT:
This invention is concerned with an improved system of dynamic balancing of the primary and secondary vibrations associated with combustion and inertial momentum effects, in particular, in single cylinder engines. By means of the primary and secondary balancing shafts, the invention achieves maximum balancing effects in small spaces, by combining the power transmission and dynamic balancing functions of the shafts; by mechanical arrangement of the primary and secondary balancing shafts in the vicinity of and parallel with the crank shaft; and by a judicious choice of the inter-shaft distances to permit placing the largest possible momentum balancing weights to the balancing sections.
REFERENCES:
patent: 3203274 (1965-08-01), Barth et al.
patent: 3995610 (1976-12-01), Nakamura et al.
patent: 4509378 (1985-04-01), Brown
patent: 4572025 (1986-02-01), Mitchell
patent: 5038731 (1991-08-01), Shimada
patent: 5044333 (1991-09-01), Fuchigami et al.
patent: 5065644 (1991-11-01), Shimada
Kawakubo Hiroyuki
Nakano Shin'ichi
Shimada Toshio
Wakoh Hiroshi
Braun Leslie A.
Honda Giken Kogyo Kabushiki Kaisha
Trousdell William O.
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