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Title:
ELECTRONIC EXPANSION VALVE AND AIR CONDITIONER WITH THE SAME
Document Type and Number:
Japanese Patent JP2013234842
Kind Code:
A
Abstract:

To obtain an electronic expansion valve adjustable to a refrigerant flow rate compatible with air conditioners of various capacities.

An electronic expansion valve needle part 7 has a needle minimum taper angle (θ3) part 7a, a needle middle taper angle (θ2) part 7b, and a needle maximum taper angle (θ1) part 7c, at a tip portion thereof, wherein a three-layer structure is employed which has a different taper angle, respectively.


Inventors:
KURAMOCHI TAKESHI
KORENAGA KAZUNORI
MORIYAMA KENJI
Application Number:
JP2013136996A
Publication Date:
November 21, 2013
Filing Date:
June 28, 2013
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F25B41/06; F16K1/34; F24F11/02; F25B5/02
Domestic Patent References:
JPH10148420A1998-06-02
JPH10160034A1998-06-16
JPS6144258A1986-03-03
JP2006266634A2006-10-05
JP2001065713A2001-03-16
JP2006266667A2006-10-05
JPS5992263U1984-06-22
JPS4824017U1973-03-20
JPS6138369A1986-02-24
JPH02282664A1990-11-20
JPH10325652A1998-12-08
Attorney, Agent or Firm:
Hisao Kobayashi
Kiyoshi Yasushima
Takanashi Norio
Motoki Shandong
Taku Ogawa
Murata Kensei
Moto Otani



 
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