F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/118
F16H 1/28 (2006.01) F16H 1/22 (2006.01)
Patent
CA 1215859
Abstract of the Disclosure An apparatus as described for transmitting rotational energy from a prime mover having a first shaft to a torque load driven by a second shaft through a spur gear train. A splined shaft (30) having a sun gear (32) at one end is coupled to the prime mover. The sun gear (32) meshes spur-wise with three compound star gears (50). These star gears are positioned at approximately the same distance from the axis of the splined shaft. The star gears drive (50) a second sun gear (56) carried at the end of a second quill shaft (54) which is adapted to be connected to the torque load. Preferably the sun gears and the star gears are fully crowned and machined to have a high contact ratio such that at least to pairs of gear teeth of each mesh are substantially in contact at all times. Because one end of each quill shaft is supported by the compound star gears, he pitch circles of the associated sun gear and star gears are sub- stantially tangent to each other thereby minimizing vibration, noise, and stress.
450992
Dresser-Rand Company
Shapiro Cohen
LandOfFree
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