F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
172/20
F16H 57/04 (2006.01)
Patent
CA 1250528
''Method and Apparatus for Reducing Sound Emanation From a Drive System'' Abstract of the Disclosure An apparatus and method for effectively minimizing sound emanation from a power transmis- sion belt drive and providing extended useful life of the power transmission belt by reducing the operating temperature thereof. In the illus- trated embodiment, the drive system is enclosed in a housing having one or more inlets and one or more outlets. Air moving structure is pro- vided in association with the pulleys for causing air flow through the interior of the housing from the inlets to the outlets as an incident of operation of the drive system. In the illus- trated embodiment, the pulleys are formed of heat conducting material so as to transfer heat from the belt to the air being flowed through the interior of the housing, thereby reducing the operating temperature of the belt. A sound absorber may be provided within the housing and, in the illustrated embodiment, sound absorbing means are provided on the inner surfaces of the housing, the inlets and outlets, and may be pro- vided internally of conduits which may be coupled to the inlets and outlets as desired. Fans may be provided in the inlet and/or outlet for aug- mented air flow through the housing.
500363
Kanaoka Tomizo
Konishi Sadaichi
Takagi Shinichi
Takano Hiroshi
Wada Kiyokazu
Meredith & Finlayson
Mitsuboshi Belting Ltd.
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