Title:
REFRIGERANT SWITCHING VALVE
Document Type and Number:
Japanese Patent JP2014211181
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigerant switching valve having improved refrigerant switching performance.SOLUTION: A refrigerant switching valve comprises: a valve body 80 supported to freely oscillate about a valve body shaft 71; cases 66 and 67 including therein the valve body 80; a valve seat 67b provided on one end of each of the cases 66 and 67; an inflow pipe connector A that has one end open into the cases 66 and 67 and to which an inflow pipe 68 is connected; and a plurality of communication pipe connectors B, C, D, and E that have one end open into the cases 66 and 67 having the valve seat 67b, to which a plurality of communication pipes 69b, 69c, 69d, and 69e are connected, and that are opened/closed in response to the oscillation of the valve body 80. The plurality of communication pipe connectors 69b, 69c, 69d, and 69e are arranged at any position of vertexes of a virtual regular polygon in contact with a virtual circular arc centering about the valve body shaft 71.
Inventors:
YAMASHITA TAICHIRO
OHIRA AKIYOSHI
OKADOME SHINICHIRO
SASAMURA KAZUFUMI
ISHIZUKA MASANOBU
OHIRA AKIYOSHI
OKADOME SHINICHIRO
SASAMURA KAZUFUMI
ISHIZUKA MASANOBU
Application Number:
JP2013087035A
Publication Date:
November 13, 2014
Filing Date:
April 18, 2013
Export Citation:
Assignee:
HITACHI APPLIANCES INC
International Classes:
F16K27/00; F16K11/074; F25B41/04; F25D21/04
Domestic Patent References:
| JP2011140986A | 2011-07-21 | |||
| JP2012067833A | 2012-04-05 | |||
| JP2002310311A | 2002-10-23 | |||
| JP2002349744A | 2002-12-04 | |||
| JP2011140986A | 2011-07-21 | |||
| JP2012067833A | 2012-04-05 | |||
| JP2002310311A | 2002-10-23 |
Foreign References:
| US20030098076A1 | 2003-05-29 | |||
| US20030098076A1 | 2003-05-29 |
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Shigemi Iwasaki
Yuji Toda
Shigemi Iwasaki