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:
Apr. 20, 1993
Filed:
Jul. 23, 1991
Applicant:
Inventors:
Osamu Ookubo, Akou, JP;
Tsugio Watanabe, Akou, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73199 ;
Abstract
In a freezing agent consumption measurement system for measuring the consumption of the freezing agent in a low-temperature container, due to evaporation of the freezing agent, including a gas flow meter provided in the gas flow path to measure the flow of the evaporated gas from the freezing agent, a tank is provided in the gas flow path means, and the pressure in the tank is maintained at a predetermined value. The measurement of the flow of the gas is not affected by the variation in the atmospheric pressure, and accordingly accurate measurement of the consumption of the freezing agent is accomplished.