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:
Jul. 29, 2025
Filed:
Jun. 13, 2023
Raymond Zhou Shaw, Shanghai, CN;
Bin Wu, Shanghai, TW;
Jason Tang, Shanghai, CN;
Abstract
An alternating pressure fatigue test system for a high-speed train based on an internal root pump loading mechanism includes a train body; a first tube having one end forming a gas output opening and a second tube having one end forming a gas input opening; another end of the first tube and another end of the second tube being connected to each other to form a third joint; a connective tube connected to a first joint on the first tube and a second joint on the second tube and being installed with at least one root pump; a first isolation valve and a third isolation valve installed in the first tube; a second isolation valve and a fourth isolation valve installed in the second tube; and at least one transferring tube connected between the third joint and the train body.