Title:
DYNAMIC VIBRATION ABSORBER, LINEAR COMPRESSOR AND RECIPROCATING COMPRESSOR THAT ARE EQUIPPED WITH DYNAMIC VIBRATION ABSORBER, AND AIR SUSPENSION DEVICE EQUIPPED WITH LINEAR COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/124625
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a dynamic vibration absorber which is able to facilitate reduction in size of a compressor and reduction in noise and vibration, to thereby achieve high reliability. The present invention is equipped with: a casing 1A which is mounted to a vibration source; a plurality of springs 1D which are housed in the casing 1A; and a mass body 1C which is disposed so as to be sandwiched between the respective springs 1D. The mass body 1C has formed therein a choking passage 1E that connects between the spaces in which the respective springs 1D are disposed. The casing 1A has encapsulated therein two or more kinds of fluids of different densities.
Inventors:
KOYAMA MASAKI (JP)
KOMATSU TOMOHIRO (JP)
SUZUKI TATSUYA (JP)
OHATA AKITO (JP)
KOMATSU TOMOHIRO (JP)
SUZUKI TATSUYA (JP)
OHATA AKITO (JP)
Application Number:
PCT/JP2020/034318
Publication Date:
June 24, 2021
Filing Date:
September 10, 2020
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
F04B39/00; F16F15/02
Foreign References:
| JPS61106644U | 1986-07-07 | |||
| JPS63275823A | 1988-11-14 | |||
| JPH0439479A | 1992-02-10 | |||
| JP2002070736A | 2002-03-08 | |||
| JP2010077842A | 2010-04-08 | |||
| JP2018062907A | 2018-04-19 | |||
| JP2007139081A | 2007-06-07 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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