B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
226/7
B65B 5/00 (2006.01) F17C 5/00 (2006.01) F17C 13/02 (2006.01)
Patent
CA 1229828
ABSTRACT OF THE DISCLOSURE Apparatus for filling compressed gas bottles with a precise predetermined mass of highly compressed carbon dioxide which may be in a gaseous or compressible liquid state, has a continually energized pump for the carbon dioxide, a regardless flow meter precisely measuring the mass flow per unit of time regardless of density or other factors and which generates a signal indicative of a quantity of mass flow of the carbon dioxide, a normally closed fill valve, a normally open vent valve between the fill valve and a bottle connector, and a controller which counts and quantifies an accumulative additive count from the mass flow meter, the controller closes the fill valve and opens the vent valve upon reaching a predetermined count which is directly correlatible to a precise mass of carbon dioxide. A method of filling bottles with a precise and predetermined mass of compressed carbon dioxide includes the steps of propelling highly compressed carbon dioxide into the bottle, measuring the mass flow per unit of time, generating signals indicative of the quantity of mass flow per unit of time, accumulating the signals and terminating fill upon reaching a predetermined number of signals: when filling is terminated, venting of compressed carbon dioxide is done before the bottle is disconnected from the filler.
438061
Cornelius Company (the)
Ridout & Maybee Llp
LandOfFree
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