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:
Jul. 20, 2004
Filed:
Nov. 21, 2002
Mario Molina, Novara, IT;
Antonio Pasquale, Novara, IT;
Gigi Molina Brevetti Plastici, S.p.A., Romentino, IT;
Abstract
Method for controlling the level of a liquid ( ) contained in at least one vessel ( ), which comprises the following operative steps: inserting a measure tube ( ) in the liquid ( ); arranging an auxiliary duct ( ) inside or outside the vessel ( ); measuring the pressure in said measure tube ( ); measuring the pressure in said auxiliary duct ( ); determining the difference between the pressures in the measure tube ( ) and in the auxiliary duct ( ); determining the value of the density or the specific weight of the liquid ( ) in the vessel ( ); dividing said pressure difference by said value of the density or specific weight of the liquid ( ). The present invention also relates to an apparatus for carrying out said method.