Title:
TUBULAR MOTOR MOUNT FOR ELECTRIC VEHICLE, AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/180896
Kind Code:
A1
Abstract:
Provided are a tubular motor mount having a novel structure and a method of manufacturing the same with which it is possible to achieve sufficient durability while achieving low dynamic spring characteristics in a high frequency range required in electric vehicles. A body rubber elastic body 16 fixedly attached to an inner peripheral surface of an outer tube member 14 is provided with a plurality of projection portions 22 protruding radially inward from the outer tube member 14. The projection portions 22 have a tapering shape decreasing in width circumferentially toward a protrusion tip 26. An inner shaft member 12 is inserted without being fixedly attached to the inner periphery of the body rubber elastic body 16. The protrusion tips 26 of the plurality of projection portions 22 are pressed against a tubular outer peripheral surface 18 in the circular cross section of the inner shaft member 12, whereby the inner shaft member 12 is elastically supported by the body rubber elastic body 16. The inner shaft member 12 is mounted to the motor 32 of an electric vehicle, and the outer tube member 14 is adapted to be mounted to the vehicle body 34 side of the electric vehicle.
Inventors:
SETOYAMA TOYOSHI (JP)
Application Number:
PCT/JP2018/011529
Publication Date:
September 26, 2019
Filing Date:
March 22, 2018
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
F16F15/08; F16F1/38
Foreign References:
| JP2006242289A | 2006-09-14 | |||
| JPH112289A | 1999-01-06 | |||
| JP2016136038A | 2016-07-28 | |||
| JP2009008118A | 2009-01-15 | |||
| JP2007139099A | 2007-06-07 | |||
| JPS58172138U | 1983-11-17 |
Attorney, Agent or Firm:
KASAI & NAKANE INTERNATIONAL PATENT FIRM et al. (JP)
Download PDF: