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Patent Searching and Data


Title:
ELECTROMAGNETIC BUFFER
Document Type and Number:
WIPO Patent Application WO/2020/158753
Kind Code:
A1
Abstract:
An electromagnetic buffer (D1) of the present invention is provided with: a cylinder (1) made of a non-magnetic material; a piston rod (2) inserted so as to be movable along an inner periphery of the cylinder (1); a piston (3) which is slidably inserted into the cylinder (1) and is disposed on the piston rod (2), and which divides the interior of the cylinder (1) into an extension side chamber (R1) and a compression side chamber (R2); a linear motor (LM) which has a tubular mover (M) attached to the piston rod (2), and a tubular stator (S) disposed on the outer periphery of the cylinder (1) and facing the mover (M); a hydraulic liquid with which the extension side chamber (R1) and the compression side chamber (R2) are filled; an attenuation path (P) that communicates between the extension side chamber (R1) and the compression side chamber (R2); and an attenuation valve (V) that provides a resistance to the flow of the hydraulic liquid passing through the attenuation path (P).

Inventors:
NOMA TATSUYA (JP)
KONDO TAKUHIRO (JP)
KUROIWA ISAO (JP)
Application Number:
PCT/JP2020/003035
Publication Date:
August 06, 2020
Filing Date:
January 28, 2020
Export Citation:
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Assignee:
KYB CORP (JP)
International Classes:
B60G17/00; B60G17/044; F16F9/32; F16F9/34; F16F9/46; F16F15/03
Foreign References:
JP2005240984A2005-09-08
JP2002257189A2002-09-11
JP2003090380A2003-03-28
JPS5118579B11976-06-10
JPS63301115A1988-12-08
JPH06235436A1994-08-23
JPS63287629A1988-11-24
JP2008286362A2008-11-27
Attorney, Agent or Firm:
ISHIKAWA Ken (JP)
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