Title:
EXPANSION VALVE AND VIBRATION CONTROL SPRING
Document Type and Number:
Japanese Patent JP2014173807
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To easily assemble a vibration control spring suitable for the vibration isolation of a working part of an expansion valve while securing its function.SOLUTION: An expansion valve comprises a vibration control spring 50 which energizes a shaft 33, and imparts slide resistance. The vibration control spring 50 includes: a base part formed of an annular plate having a hole 52 which allows the insertion of the shaft 33 in a center region; a plurality of spring parts 56 which are erected on the base part 54, and abut on an external peripheral face of the shaft 33; and a plurality of support pieces 58 which extend outwardly from the base part 54, and formed so as to be lockable to a body. The support pieces 58 include low-rigidity parts 58a which are lower than the base part 54 in rigidity.
Inventors:
SATAKE RYOSUKE
Application Number:
JP2013048731A
Publication Date:
September 22, 2014
Filing Date:
March 12, 2013
Export Citation:
Assignee:
TGK CO LTD
International Classes:
F16F1/18; F25B41/06; F16F15/02; F16K31/68; F16K47/02
Domestic Patent References:
| JPS4612567Y1 | 1971-05-04 | |||
| JPH08145505A | 1996-06-07 | |||
| JP2004162807A | 2004-06-10 | |||
| JPS60151194U | 1985-10-07 | |||
| JP2005249300A | 2005-09-15 | |||
| JP2008014628A | 2008-01-24 | |||
| JP2008202609A | 2008-09-04 | |||
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| JP2010177857A | 2010-08-12 | |||
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| JP2006057653A | 2006-03-02 |
Foreign References:
| WO2006090826A1 | 2006-08-31 | |||
| US4542852A | 1985-09-24 |
Attorney, Agent or Firm:
Sakaki Morishita
Takehiro Murata
Tomoyoshi Miki
Takuya Matsuo
Takehiro Murata
Tomoyoshi Miki
Takuya Matsuo