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:
Dec. 01, 1998
Filed:
Oct. 16, 1996
Applicant:
Inventor:
Yvan Labruyere, Montseveroux, FR;
Assignee:
Elf Antar France, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
G01P / ;
U.S. Cl.
CPC ...
73 3515 ; 73116 ; 73 3507 ;
Abstract
The propagation of a temperature wave front in an enclosed space containing a gas features the measurement of the time which elapses between the passage of a temperature wave front past two thermionic probes 5, 6 mounted on the wall 4 of an enclosed space 3 arranged substantially along an axis 9 of propagation of the wave front and separated by a known distance.