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:
Sep. 14, 1982
Filed:
Aug. 22, 1980
Applicant:
Inventors:
Einar Asmundsson, Middle Haddam, CT (US);
Robert P Hart, Glastonbury, CT (US);
Donald W Fleischer, Wethersfield, CT (US);
Assignee:
Veeder Industries Inc., Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
364509 ; 7330 / ; 235 / ;
Abstract
A liquid level measuring system for the underground fuel storage tanks of a fuel dispensing station having a multiple segment capacitance probe in each storage tank and a microcomputer for periodically measuring the capacitance of each segment of each probe and calculating the level and volume of fuel in each tank using capacitance and volume calibration constants automatically updated by the microcomputer from the measured capacitance data and from fuel delivery data automatically fed to the microcomputer.