The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 1996
Filed:
Dec. 19, 1994
Applicant:
Inventors:
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ; F25B / ;
U.S. Cl.
CPC ...
62474 ; 62475 ; 62 85 ;
Abstract
There is used a refrigerant which is lower in a saturated water concentration in gas phase than in liquid phase, such as, for example, Freon-134a or Freon-22. In a body block 46 of a box-shaped expansion valve there are formed by-passes 77, 81 and 86 for by-passing a portion of the refrigerant evaporated in an evaporator 41. Halfway in the by-passes 77, 81 and 86 a cooling cylinder 73 is disposed for cooling the refrigerant present in those by-passes, and further a filter 83 is disposed for collecting the water contained in the refrigerant. In addition, a water permeating membrane 88 is disposed in a water discharge passage 79 formed in the body block 46.