Title:
アンモニア冷媒冷凍サイクル装置用弁装置およびアンモニア冷媒冷凍サイクル装置
Document Type and Number:
Japanese Patent JP4842692
Kind Code:
B2
Abstract:
To prevent generation of erosive phenomenon by utilizing advantages of a metallic valve housing, in a valve device for an ammonia refrigerant refrigerating cycle device.
The valve housing 11 is composed of a metallic material, and parts exposed to an area where the variation of a flow speed on a flow line of refrigerant flow inside of a valve device becomes more than an erosion generation value, for example, surfaces of a valve seat member 18 and a valve element 30 are composed of a non-electrically conductive material.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
Yokota Kaori
Tadaaki Ikeda
Morio Kaneko
Tadaaki Ikeda
Morio Kaneko
Application Number:
JP2006117839A
Publication Date:
December 21, 2011
Filing Date:
April 21, 2006
Export Citation:
Assignee:
Saginomiya Co., Ltd.
International Classes:
F25B41/06; F16K25/04; F16K31/04; F25B1/00
Domestic Patent References:
| JP2001159473A | ||||
| JP49093055U |
Attorney, Agent or Firm:
Hideo Takino
Sadao Matsumura
Sadao Matsumura