F - Mech Eng,Light,Heat,Weapons – 16 – G
Patent
F - Mech Eng,Light,Heat,Weapons
16
G
F16G 7/02 (2006.01) F16G 5/20 (2006.01) F16H 7/02 (2006.01) F16H 7/12 (2006.01)
Patent
CA 2084942
A power transmission system having: a power transmission belt with a tensile strength such that a force of at least 17 kgf per 1 mm width is required to effect a 1% elongation of the belt; a plurality of pulleys with which the power transmission belt is operatively engaged; and an auto-tensioner having an element to engage the power transmission belt. The auto- tensioner has a damping ratio that is not greater than 20%, where the damping ratio is defined by the following formula: Damping ratio = 2 [(A - B)/(A + B)] 100, where A is the force exerted by the auto-tensioner element during up-stroking of the auto-tensioner element and B is the force exerted by the auto-tensioner element during down-stroking of the idler pulley. More preferably, the damping ratio is 10-20%.
Hirai Hideo
Mishima Kyoichi
Yamakawa Susumu
Finlayson & Singlehurst
Mitsuboshi Belting Ltd.
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