Title:
An expansion valve and a vibration-proof spring
Document Type and Number:
Japanese Patent JP6142181
Kind Code:
B2
Abstract:
An expansion valve includes a vibration-proof spring that develops the sliding resistance by biasing a shaft. The vibration-proof spring includes a base portion constituted by a circular plate having a hole, through which the actuating rod can be inserted, in the central region, a plurality of spring portions, which is installed upright on the base portion and which is so formed as to come in contact with the periphery of the actuating rod, and a plurality of supporting pieces, which extend outward from the base portion and which is formed so that the supporting pieces can be stopped by the body. The supporting piece is structured such that the supporting piece includes a low-rigidity portion whose rigidity is lower than that of the base portion.
Inventors:
Ryosuke Satake
Application Number:
JP2013048731A
Publication Date:
June 07, 2017
Filing Date:
March 12, 2013
Export Citation:
Assignee:
TAGC Inc.
International Classes:
F25B41/06; F16F1/18; F16F15/02; F16K31/68; F16K47/02
Domestic Patent References:
| JP46012567Y1 | ||||
| JP8145505A | ||||
| JP2008014628A | ||||
| JP2008202609A | ||||
| JP2004183727A | ||||
| JP2010177857A | ||||
| JP2010174534A | ||||
| JP2006057653A | ||||
| JP2004162807A | ||||
| JP60151194U | ||||
| JP2005249300A |
Foreign References:
| WO2006090826A1 | ||||
| US4542852 |
Attorney, Agent or Firm:
Patent corporation Interbrain
Takuya Matsuo
Takuya Matsuo