Apparatus and method for calculating refill amount of...

Details Apparatus and method for calculating refill amount of... Apparatus and method for calculating refill amount of...

2005-02-08

2005-02-08

Jones, Melvin (Department: 3744)

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

C062S077000

Reexamination Certificate

active

06851269

ABSTRACT:
A refrigerant refill amount calculating apparatus is provided with concentration measuring units for measuring component ratios X1:Y1:Z1of 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 X1:Y1:Z1, X2:Y2:Z2which 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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Patent Abstracts of Japan, abstracting JP 11-63745, published Mar. 5, 1999, vol. 1999, No. 08.

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