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:
Jan. 30, 2007
Filed:
Oct. 28, 2004
Michael Herzog, Tucson, AZ (US);
Gordon Ernest Smith, Sandy, UT (US);
Charles Michael Sulik, Tucson, AZ (US);
Arun R. Pandey, Tucson, AZ (US);
Valeriy Maksimovich Shishkin, Tucson, AZ (US);
Rex Graham Weedon, Tucson, AZ (US);
Mark Davis, Tucson, AZ (US);
Michael Herzog, Tucson, AZ (US);
Gordon Ernest Smith, Sandy, UT (US);
Charles Michael Sulik, Tucson, AZ (US);
Arun R. Pandey, Tucson, AZ (US);
Valeriy Maksimovich Shishkin, Tucson, AZ (US);
Rex Graham Weedon, Tucson, AZ (US);
Mark Davis, Tucson, AZ (US);
Environmental Systems Products Holdings Inc., East Granby, CT (US);
Abstract
The invention relates generally to a system and method for testing fuel evaporative systems, and more particularly to a stand-alone tank tester system (and method) for testing vehicle fuel tank integrity. Furthermore, a self-contained calibration tank with switchable leak sizes for calibrating the tank tester to multiple leak sizes is provided. Constant flow and vacuum methods for testing fuel tank integrity are also provided.