Patent ID: 11867339
Assignee: GENERAL ELECTRIC COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 15:
16. A motorized apparatus for use in maintaining a pipe having a sidewall defining an interior cavity, said motorized apparatus comprising:
a body assembly extending along a longitudinal axis;
at least one maintenance device coupled to said body assembly;
a plurality of leg assemblies coupled circumferentially around said body assembly;
a plurality of drive mechanisms coupled to said plurality of leg assemblies, wherein said plurality of drive mechanisms are configured to interact with the sidewall, said plurality of drive mechanisms comprising at least two wheels, wherein said plurality of drive mechanisms are arranged to move said body assembly in a first direction parallel to the longitudinal axis, move said body assembly in a second direction perpendicular to the longitudinal axis, and rotate said body assembly around the longitudinal axis, wherein at least one leg assembly of said plurality of leg assemblies includes a joint to facilitate pivoting of at least one drive mechanism of said plurality of drive mechanisms between a plurality of positions; and
at least one actuator coupled to said at least one leg assembly of said plurality of leg assemblies and configured to actuate said at least one leg assembly to adjust a position of said at least one drive mechanism of said plurality of drive mechanisms.