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idler gear assembly for generator

A generator and idler technology, applied in the field of two-piece idler assembly, can solve the problems of uneven wear and replacement of gear teeth

Active Publication Date: 2016-04-06
HAMILTON SUNDSTRAND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, axial misalignment of gears can cause uneven wear of the gear teeth and eventually necessitate replacement

Method used

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  • idler gear assembly for generator
  • idler gear assembly for generator
  • idler gear assembly for generator

Examples

Experimental program
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Embodiment Construction

[0014] An embodiment of an idler gear assembly includes a first gear coupled to a second gear in a gear train of a generator. The first gear includes a first shaft including a first dimension received in a complementary circular bore of the second gear. The complementary circular hole has a second dimension for causing an interference lock between the first gear and the second gear. Additionally, the drive tab on the second shaft of the second gear is configured to be received in a complementary hole or slot on the shoulder of the first shaft to reinforce the connection between the first and second gears and The first gear is prevented from slipping out of frictional contact with the second gear and the second gear is prevented from rotating relative to the first gear.

[0015] With reference to the accompanying drawings, figure 1 An example generator 100 is shown that includes a two-piece idler assembly 105 in accordance with an embodiment of the invention. In particular, ...

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Abstract

An idler gear assembly for a generator includes a first gear configured for coupling to a second gear. The first gear includes a first shaft aligned along a first shaft axis, the first shaft having a first shoulder with a first axial face and a first shoulder with a second axial face. two shoulders, the second axial face directly opposite the first axial face, directly opposing first and second grooves around the circumference of the first shoulder, and around the first shaft axis along the A first set of teeth is circumferentially positioned, the first shaft comprising a first axial distance from the first axial face to the second axial face. The second gear includes a second shaft aligned along a second shaft axis, the second shaft having directly opposed first and second tabs, and a first shaft positioned circumferentially about the second shaft axis. For two sets of teeth, the second axis includes a second axial distance.

Description

technical field [0001] The present invention relates generally to idler gear assemblies for generators, and more particularly to a two-piece idler gear assembly for handling expected stresses in the gear train of a generator fuel pump. Background technique [0002] Systems that include generators may include hydraulic pumps for cooling the generator or other components of the system. The pump may be driven by the rotor of the generator through a gear train. Misalignment of gears in a gear train relative to shafts, bearings, or other components can increase wear on the gears and be partly responsible for reduced gear durability. For example, axial misalignment of gears may cause uneven wear of the gear teeth and eventually necessitate replacement. Pressure pulsations from this pump can also be partly responsible for premature gear wear. Often, a combination of axial misalignment and pressure pulsation conditions is responsible in part for premature gear wear. Contents of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H55/08F16H55/17H02K7/116
CPCF16H1/06F16H1/26F16H55/17Y10T74/19972Y10T74/19651Y10T74/19949Y10T74/19
Inventor A.P.格罗斯科普夫
Owner HAMILTON SUNDSTRAND CORP
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