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:
Feb. 09, 1999
Filed:
May. 27, 1997
Applicant:
Inventors:
Andre M Barajas, San Antonio, TX (US);
John C Buckingham, Boerne, TX (US);
Steven Svedeman, San Antonio, TX (US);
Assignee:
Gas Research Institute, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
141 83 ; 141 95 ; 141198 ;
Abstract
A system for controlling the fill of a receptacle cylinder with compressed natural gas (CNG). The flow of gas into the receptacle cylinder is controlled by a fill controller with software configured to calculate the mass of gas to be added to the cylinder as a function of the pressure and temperature in the cylinder during the fill process and to open and close a flow valve in accordance with such calculation.