Title:
ROTARY TRANSFORMER FOR ULTRASONIC FLAW DETECTOR AND ULTRASONIC FLAW DETECTOR
Document Type and Number:
WIPO Patent Application WO/2020/079836
Kind Code:
A1
Abstract:
A rotary transformer (1) is configured to include: a fixed body (5) having a first substrate (11) in which first one-turn coils (12a) to (12d) are formed concentrically on a first plane (11a), and a first floating conductor (13) is formed on a second plane (11b), and a first holding member (14) holding the first substrate (11) so as to surround the first floating conductor (13); and a rotating body (6) that has a second substrate (21) in which second one-turn coils (22a) to (22d) are formed concentrically on a third plane (21a) so as to face the first one-turn coils (12a) to (12d), respectively, and a second floating conductor (23) is formed on a fourth plane (21b), a second holding member (24) that holds the second substrate (21) so as to surround the second floating conductor (23), and ultrasonic probes (32a) to (32d) connected to the second one-turn coils (22a) to (22d), respectively, and the second substrate (21), the second holding member (24), and the ultrasonic probes (32a) to (32d) rotate around a material to be inspected (7).
Inventors:
NISHIMURA TAKUMA (JP)
YUKAWA HIDENORI (JP)
NISHIKAWA TOMOHIDE (JP)
KAMOI TOSHIAKI (JP)
YUKAWA HIDENORI (JP)
NISHIKAWA TOMOHIDE (JP)
KAMOI TOSHIAKI (JP)
Application Number:
PCT/JP2018/039039
Publication Date:
April 23, 2020
Filing Date:
October 19, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
RYODEN SHONAN ELECTRONICS CORP (JP)
RYODEN SHONAN ELECTRONICS CORP (JP)
International Classes:
G01N29/24; H01F38/18
Domestic Patent References:
| WO2012141279A1 | 2012-10-18 |
Foreign References:
| JPS599906A | 1984-01-19 | |||
| JPH01154615U | 1989-10-24 | |||
| JPH01158707A | 1989-06-21 | |||
| JPS5472423A | 1979-06-09 | |||
| JPS59143012U | 1984-09-25 | |||
| JP2002301081A | 2002-10-15 | |||
| US20150145626A1 | 2015-05-28 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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