Title:
POWER TRANSMISSION DEVICE AND ELECTRIC POWER STEERING APPARATUS INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2020092557
Kind Code:
A
Abstract:
To stabilize an output of a power transmission device.SOLUTION: A power transmission device 60 comprises: an electric motor 50 having a rotation axis 51; fry wheels 54, 55 provided on the rotation axis 51; a worm gear 42a provided on the rotation axis 51; a worm wheel 42b engaged with the worm gear 42a; and a first bearing 45 and a second bearing 46 which support the rotation axis 51 to be rotatable. The first bearing 45 is arranged between a rotor 52 and the worm gear 42a, the second bearing 46 is arranged on a side opposite to the first bearing 45 across the worm gear 42a, and the fry wheels 54, 55 are provided in at least one position of a position between a rotor 52 and the first bearing 45 and a position opposite to the first bearing 45 across the rotor 52.SELECTED DRAWING: Figure 2
Inventors:
CHIBA SHUHEI
Application Number:
JP2018229867A
Publication Date:
June 11, 2020
Filing Date:
December 07, 2018
Export Citation:
Assignee:
KYB CORP
International Classes:
H02K7/02; B62D5/04; F16H1/16; H02K7/116
Attorney, Agent or Firm:
Goto Patent Office