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Patent Searching and Data


Title:
MANUFACTURE OF COIL FOR ROTATING ELECTRIC MACHINE BODY
Document Type and Number:
Japanese Patent JPH0928062
Kind Code:
A
Abstract:

To stabilize the quality of brazed parts and, at the same time, to prevent the deterioration of wettability of the brazed parts with a brazing material by monitoring such information as the atmosphere, temperature, optical information on brazing state, etc., on the inside and outside of, especially, inside of a liquid supplying and discharging box.

After conductor element wires 2 carrying a brazing material are inserted into a liquid supplying and discharging box 1 having one openable face out of four faces and a lid 3 is put on the box 1. Coolant supplying and discharging metallic parts 4 and a coil connecting piece 5 are welded to the box 1 in advance and a coolant supplying and discharging chamber 6 in the box 1 is made empty. The brazing state and temperature are monitored by means of a monitor 9 by inserting a fiberscope 7 and temperature sensor 8 into the box 1 from the metallic parts 4. The fiberscope 7 and sensor 8 are constituted so that they can be moved freely in the vertical direction, can be rotated, and can be cooled.


Inventors:
OKAMURA HISANOBU
SAKAMOTO MASAHIKO
Application Number:
JP1995000177085
Publication Date:
January 28, 1997
Filing Date:
July 13, 1995
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
B23K31/00; B23K1/00; B23K31/02; H02K3/22; H02K3/24; H02K15/04; (IPC1-7): H02K15/04; B23K1/00; B23K31/00; B23K31/02; H02K3/22; H02K3/24
Attorney, Agent or Firm:
Ogawa Katsuo