Moving device in pipe lines

Details Moving device in pipe lines Moving device in pipe lines

2005-06-28

2008-10-28

Morano, S. Joseph (Department: 3617)

Railways

Tubular way

Internal service device

C104S282000

Reexamination Certificate

active

07441507

ABSTRACT:
A moving device in pipe lines is provided, which allows easy switching of moving/stopping and remote control of the switching by only electric wires enabling easy operation in the inside of small diameter pipe lines.The moving device10in pipe lines comprises a guide frame11in which a line of three or more coils15, 16, 17is interconnected flexibly in the direction of magnet flux, ring-shaped permanent magnets19, 20, 21provided around the periphery of the guide frame slidably in the direction of the shaft, and a control means such as computers etc. to control by a preset program selecting the direction of turning on of the coils.

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patent: 2003/0214580 (2003-11-01), Iddan
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patent: WO 02/103721 (2002-12-01), None
patent: WO 2004/047258 (2004-06-01), None
European search report dated Oct. 12, 2005.
European Search Report, Application No. 05105705.7—2305, dated Oct. 12, 2005.

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