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Integrated electric motor and traction drive

A technology of traction drive and roller, applied in the direction of electric components, motor generator control, electric/electric converter, etc.

Inactive Publication Date: 2006-05-31
THE TIMKEN CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Outer ring output shaft transmits power at lower angular velocity

Method used

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  • Integrated electric motor and traction drive
  • Integrated electric motor and traction drive
  • Integrated electric motor and traction drive

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Embodiment Construction

[0015] The following detailed description illustrates the invention by way of illustration and not limitation. This description enables one skilled in the art to make and use the invention, and describes several embodiments, adaptations, variations, substitutions and uses of the invention, including what is presently believed to be the best mode of the invention.

[0016] As shown in FIGS. 1 and 2 , an embodiment of an integrated motor and traction drive 1 consists of a motor 100 and a traction drive 200 . In this specification, "integrate" means "a plurality of parts assembled into a single device".

[0017] As shown in FIGS. 1-3 , the motor 100 is composed of a motor housing 110 , a motor cover 120 , a bearing cup plate 130 , a stator 140 , a rotor 150 and a sun roller 153 . The motor casing 110 is a hollow cylinder, defining a front face 111, a rear face 113, an inner surface 115 and a cooling fin 116, wherein the front face 111 has a hole 112 connected to the motor cover ...

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Abstract

The invention discloses an integrated motor and traction drive (1). The device includes a motor (100) and a traction drive (200). The motor (100) provides high angular velocity power to the sun roller (153). The sun roller (153) transmits power to the traction drive (200), which then reduces the power to a lower angular velocity, and then outputs it through the output shaft (252).

Description

[0001] Cross References to Related Applications [0002] This application is based on US Provisional Patent Application Serial No. 60 / 433,331, filed December 13, 2002, from which this application claims priority, and is hereby incorporated herein by reference. technical field [0003] Electric motors are machines used in a wide variety of applications ranging from automobiles to bulldozers, from aviation to marine machines, and from household appliances to medical facilities. Background technique [0004] Recently, the demand for motors with higher power density has increased. In this application, power density may be defined as the amount of power delivered per unit weight or unit volume, expressed in W / kg or W / liter, respectively. One way to increase power density is to increase motor speed. As the speed of a motor increases, its overall power increases, so machine designs tend to use smaller motors to run at higher speeds. In some applications, this results in a higher...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/116F16H13/04F16H13/06F16H13/08F16H13/14H02K5/18
CPCF16H13/06F16H13/14H02K5/18H02K7/116H02P1/00
Inventor X·艾G·毕晓普
Owner THE TIMKEN CO