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.

Date of Patent:
Feb. 21, 2023

Filed:

Jan. 24, 2020
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Alexander Kyle Duncan, Niskayuna, NY (US);

Todd William Danko, Niskayuna, NY (US);

Justin Foehner, Niskayuna, NY (US);

Yakov Polishchuk, Niskayuna, NY (US);

Douglas R. Forman, Niskayuna, NY (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/18 (2006.01); F16L 55/44 (2006.01); B08B 9/049 (2006.01); F16L 55/30 (2006.01); F16L 55/32 (2006.01); B08B 7/00 (2006.01); B08B 9/051 (2006.01); F16L 55/34 (2006.01); F16L 55/48 (2006.01); F16L 101/12 (2006.01); F16L 101/20 (2006.01); F16L 101/30 (2006.01);
U.S. Cl.
CPC ...
F16L 55/44 (2013.01); B08B 7/0042 (2013.01); B08B 9/049 (2013.01); B08B 9/051 (2013.01); F16L 55/30 (2013.01); F16L 55/32 (2013.01); F16L 55/34 (2013.01); F16L 55/48 (2013.01); B08B 2209/04 (2013.01); F16L 2101/12 (2013.01); F16L 2101/20 (2013.01); F16L 2101/30 (2013.01);
Abstract

A system for use in maintaining a pipe having a sidewall is provided. The system includes a motorized apparatus sized to fit within the pipe and configured to travel along the pipe through an interior cavity. The motorized apparatus includes a plurality of leg assemblies each including a first leg portion, a second leg portion, and a joint rotatably coupling the first leg portion to the second leg portion. A drive mechanism coupled to the joint is configured to interact with the sidewall. The system also includes an actuator assembly configured to independently position each leg assembly relative to a body assembly to adjust a radial position of the joint of the associated leg assembly relative to the body assembly. The system also includes a controller configured to send instructions to the actuator assembly based at least in part on at least one of a dimension of the interior cavity and a desired force on the sidewall.


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