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US 6,662,897 B2Granted
Electric power steering apparatus
AssigneeNsk Ltd.
InventorsOsamu Tatewaki, Hiroshi Eda, Toshihiro Fukuda, Jun Okada
Life of this patent
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Abstract
An electric power steering apparatus comprises an electric motor having a motor housing, a ball screw mechanism connected to the electric motor through power transmission means and used for driving a rack shaft, and a steering gear case encasing the rack shaft and the ball screw mechanism. The electric motor is supported by at least two supporting portions with respect to the steering gear case, and is supported by at lest one of the two supporting portions through an elastic member.
Claims8
An electric power steering apparatus comprising:
- an electric motor having a motor housing;
- a ball screw mechanism connected to said electric motor through power transmission means and used for driving a rack shaft;
- and
- a steering gear case encasing said rack shaft and said ball screw mechanism,
- wherein said electric motor is supported by at least two supporting portions with respect to said steering gear case, and is supported by at lest one of the two supporting portions through an elastic member.
2 more elements
Dependencies are inferred from the claim text.