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Vehicle steering system transmission

A steering system and transmission technology, applied in transmissions, vehicle components, steering mechanisms, etc., can solve problems such as the inability to provide assistance for large and heavy vehicles

Active Publication Date: 2014-11-19
THE GATES CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These post systems do not provide adequate assistance for large and heavy vehicles

Method used

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  • Vehicle steering system transmission
  • Vehicle steering system transmission
  • Vehicle steering system transmission

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] figure 1 It is a sectional view of the transmission device of the present invention. The transmission device 1000 of the present invention includes a housing 100 . The input shaft 200 is housed in the housing. The input shaft is coupled with the electric motor 201 . The electric motor is a 12V DC motor known in the art. The electric motor is attached to the housing at a motor mount 101 .

[0041] The input shaft 200 is journaled with the housing through a first bearing 201 and a second bearing 202 .

[0042] The sprocket 206 is press-fitted on the shaft 200 . The sprocket 206 includes a toothed surface 207 for engaging a toothed belt 400 .

[0043] Intermediate sprocket 203 is journaled to shaft 200 via bearing 208 and needle bearing 205 . The sprocket 203 is free to rotate on the shaft 200 . Intermediate sprocket 203 is connected to sprocket 204, in other words they are a single unit. Intermediate sprocket 203 includes a toothed surface 209 and sprocket 204 in...

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PUM

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Abstract

A vehicle steering system transmission comprising a housing, an input shaft journalled to the housing, an electric motor connected to the housing and coupled to the input shaft, an output shaft journalled to the housing, the input shaft and the output shaft coupled by a first pair of sprockets having a first belt trained therebetween and having a first ratio, the first belt and first pair of sprockets comprising a helical tooth configuration, the input shaft and the output shaft coupled by a second pair of sprockets having a second belt trained therebetween and having a second ratio, and the input shaft and the output shaft coupled by a third pair of sprockets having a third belt trained therebetween and having a third ratio.

Description

technical field [0001] The present invention relates to a vehicle steering system transmission, and more particularly to a vehicle steering system transmission comprising an input shaft and an output shaft passing through a first pair of sprockets having a certain ratio, having a certain ratio The second pair of sprockets and the third pair of sprockets with a certain ratio are connected. Background technique [0002] Electric Power Assisted Steering (EPAS) has been around since the 1960s. Generally, hydraulic power assisted steering dominates the market. Hydraulic systems have high parasitic energy losses when the hydraulic pump is pumping (but not powered assist). Early attempts to eliminate this parasitic loss included fitting an electric motor to the pump and driving the pump only when needed. [0003] Electro-hydraulic assisted power steering systems use an electric motor to drive a hydraulic pump that feeds the hydraulic power steering system. These systems are in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D5/04F16H7/16F16H7/02
CPCF16H7/16F16H7/02B62D5/0412B62D5/04F16H7/10
Inventor D·施奈德A·塞科T·A·洛文
Owner THE GATES CORP