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.

Date of Patent:
Feb. 08, 2005

Filed:

Sep. 22, 2003
Applicants:

Toshiyuki Nomura, Kyoto, JP;

Hiroji Kohsaka, Kyoto, JP;

Yasuyuki Nakanishi, Kyoto, JP;

Kennosuke Kojima, Kyoto, JP;

Inventors:

Toshiyuki Nomura, Kyoto, JP;

Hiroji Kohsaka, Kyoto, JP;

Yasuyuki Nakanishi, Kyoto, JP;

Kennosuke Kojima, Kyoto, JP;

Assignee:

Horiba, Ltd., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B045/00 ;
U.S. Cl.
CPC ...
Abstract

A refrigerant refill amount calculating apparatus is provided with concentration measuring units for measuring component ratios X:Y:Zof fluorocarbon S contained in a refrigerating machine, and a calculation processing unit. The calculating unit calculates additional filling amounts of respective refrigerant components which are required to fill fluorocarbon having a defined amount 'A' in accordance with defined component ratios X:Y:Z within the refrigerating machine 2 based upon an additional filling amount Xa of a refrigerant component which has been additionally filled into the refrigerating machine, and a change amount of component ratios X:Y:Z, X:Y:Zwhich have been measured before and after the refrigerant component was filled. Refill amounts of refrigerant components can be easily calculated in a correct manner.


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