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:
Mar. 29, 2005
Filed:
Mar. 13, 2003
José Luis Sacedón Adelantado, Madrid, ES;
Eduardo Santamera Gago, Madrid, ES;
Marcos Díaz Muñoz, Madrid, ES;
José Serafin Moya Corral, Madrid, ES;
Elisa Román García, Madrid, ES;
Angel Samuel Pérez Ramírez, Madrid, ES;
Begoña Remartínez Zato, Madrid, ES;
José Luis Sacedón Adelantado, Madrid, ES;
Eduardo Santamera Gago, Madrid, ES;
Marcos Díaz Muñoz, Madrid, ES;
José Serafin Moya Corral, Madrid, ES;
Elisa Román García, Madrid, ES;
Angel Samuel Pérez Ramírez, Madrid, ES;
Begoña Remartínez Zato, Madrid, ES;
Consejo Superior de Investigaciones Cientificas, Madrid, ES;
Iberdrola, Madrid, ES;
Abstract
The method involves measuring hydrogen permeation in the tubes by mass spectrometry, wherein the tube is inserted into a high or ultrahigh vacuum device in which a mass spectrometer and a total pressure gauge are located. Hor Hand inert gas mixtures are circulated inside the tube at the required partial pressure. The tube is then heated and the appearance of Houtside the tube is observed. The flow thereof inside the tube and emergence time, called permeation time, are determined based on permeation curves. The emergence time of the first microcrack is also determined.