Patent ID: 6318194
Filing Date: 2001-11-20
Classification: G01M

Abstract:
A conduit inspection apparatus comprising:at least first and second fluid propelled module shells, each fluid propelled module shell for propelling the module shell through a conduit and having an axially contoured exterior and a length that is 1.0 to 2.4 times its outer shell diameter and the length being transverse to the diameter, the contoured exterior having a saddle depression for negotiating a bend radius of the conduit that is less than twice as large as the outer shell diameter of each fluid propelled module shell; anda flexible intermodule connector joining the first and second shells, the connector having a length that is 0.5 to 2.0 times the outer shell diameter of each fluid propelled module shell and the apparatus is sufficiently contoured and flexible to negotiate a bend radius of the conduit that is less than twice as large as the outer shell diameter of each fluid propelled module shell.