Invention Grant
- Patent Title: Electric power steering apparatus equipped with worm gear mechanism
- Patent Title (中): 电动助力转向装置配有蜗轮机构
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Application No.: US11727933Application Date: 2007-03-29
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Publication No.: US07654167B2Publication Date: 2010-02-02
- Inventor: Katsuji Watanabe , Yasuo Shimizu
- Applicant: Katsuji Watanabe , Yasuo Shimizu
- Applicant Address: JP Tokyo
- Assignee: Honda Motor Co., Ltd.
- Current Assignee: Honda Motor Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Arent Fox LLP
- Priority: JP2006-094147 20060330
- Main IPC: F16H55/22
- IPC: F16H55/22
Abstract:
An electric power steering apparatus includes a worm gear mechanism for transmitting the torque generated by an electric motor to a steered road wheel of the vehicle. The worm gear mechanism has a worm gear made of metal and a worm wheel formed of plastic material and meshing with the worm gear. The worm gear has a tooth profile including a dedendum part formed in an involute shape and an addendum part formed in a circular arc shape with a center located on a line of action.
Public/Granted literature
- US20070227279A1 Electric power steering apparatus equipped with worm gear mechanism Public/Granted day:2007-10-04
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