Title:
MAGNETORHEOLOGICAL FLUID BUFFER
Document Type and Number:
WIPO Patent Application WO/2017/043253
Kind Code:
A1
Abstract:
A buffer 100 is provided with a cylinder 10 in which a magnetorheological fluid is sealed, a piston 20 which is arranged in the cylinder 10 in a slidable manner, and a piston rod 21 which is connected to the piston 20. The piston 20 includes: a piston core 30 on the outer circumference of which a coil 33a is provided; a flux ring 35 surrounding the outer circumference of the piston core 30; a first flow path 22b formed in the outer circumferential surface 32c of the piston core 30 or in the inner circumferential surface 35d of the flux ring 35; a groove 38 which is formed in the outer circumferential surface 32c of the piston core 30 or in the inner circumferential surface 35d of the flux ring 35 so as to intersect with the first flow path 22b; and a temperature compensation portion 60 which is arranged in the groove 38 and which advances/retreats with respect to the first flow path 22b by expanding/contracting according to the temperature.
Inventors:
YONEHARA YASUHIRO (JP)
OGAWA ATSUSHI (JP)
OGAWA ATSUSHI (JP)
Application Number:
PCT/JP2016/073783
Publication Date:
March 16, 2017
Filing Date:
August 12, 2016
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F16F9/52; F16F9/32; F16F9/34; F16F9/53
Foreign References:
| JP2008101638A | 2008-05-01 | |||
| JP2014181808A | 2014-09-29 | |||
| JP2011122720A | 2011-06-23 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
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