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:
Oct. 11, 2022
Filed:
Dec. 08, 2017
Abb Schweiz Ag, Baden, CH;
Harald Staab, Manchester, CT (US);
William Eakins, Bloomfield, CT (US);
Daniel Lasko, Bloomfield, CT (US);
Thomas Fuhlbrigge, Ellington, CT (US);
Edward Zhang, Sunnyvale, CA (US);
Harshang Shah, Bloomfield, CT (US);
Stefan Rakuff, Windsor, CT (US);
Gregory Cole, West Hartford, CT (US);
Gregory Rossano, Enfield, CT (US);
Andrew Salm, West Hartford, CT (US);
Sang Choi, Simsbury, CT (US);
Remus Boca, Simsbury, CT (US);
ABB Schweiz AG, Baden, CH;
Abstract
An unmanned rail vehicle for surveillance, inspection, and/or maintenance of an industrial site is provided. The rail vehicle includes at least two carry rollers adapted for engaging on an upper rail side of a rail, wherein the center of gravity of the rail vehicle is vertically below the upper rail side; and at least one support roller connected to the chassis and adapted for rolling against a lateral rail side of the rail to laterally displace the center of gravity of the rail vehicle with respect to the upper rail side.