Patent
Low noise gear
Junichi Ogawara,純一 大河原 +1 more
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TLDR
In this article, a low-noise gear has a ring-shaped gear part 12 in a peripheral part and a cylindrical boss part 13 in a center part of this gear part.Abstract:
PROBLEM TO BE SOLVED: To lower noise by a simple structure and effectively by providing a plurality of through holes in a rib part formed between a gear part and a boss part of a gear, and holding an inertial unit in these through holes through a vibration absorber consisting of elastic material. SOLUTION: A low noise gear 11 has a ring-shaped gear part 12 in a peripheral part, between this gear part 12 and a cylindrical boss part 13 provided in a center part of this gear part, a rib part 14 connecting the gear part 12 and the boss part 13 is provided. This rib part 14 is formed in a disk shape, in through holes 15... formed with an almost equal space along a peripheral direction of the gear part 12, a cylindrical vibration absorber 16 consisting of elastic material of rubber or the like is respectively provided. In the inside of the vibration absorber 16..., a columnar inertial unit 17 is inserted, also both ends of the through hole 15... are coated with a ring-shaped cover member 18a, 18b consisting of elastic material of rubber or the like bonded to a surface part 14a, 14b of the rib part 14. COPYRIGHT: (C)1997,JPOread more
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Inelastic collision and rolling viscous resistance particle coupling energy consumption low-noise gear
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