Title:
HEATER UNIT
Document Type and Number:
WIPO Patent Application WO/2018/190193
Kind Code:
A1
Abstract:
Provided is a heater unit having a fine wire sheath heater with improved reliability. This heater unit comprises: a first substrate and a second substrate which are bonded to one another; a groove which is provided to the bonding surface of the first substrate and/or the second substrate; and a sheath heater positioned on the inside of the groove. The sheath heater is equipped with a metal sheath; a heating wire which is positioned inside the metal sheath with a gap therebetween, the heating wire being ribbon-shaped, and being positioned so as to rotate about the axial direction of the metal sheath; an insulating material positioned in the gap; and connecting terminals which are positioned at one end of the metal sheath, each connecting terminal being electrically connected to one end of the heating wire.
Inventors:
HANAMACHI TOSHIHIKO (JP)
SEKIYA KENJI (JP)
TAKAHARA GO (JP)
AIKAWA NAOYA (JP)
KISARA YUTA (JP)
TATSUMI ARATA (JP)
SEKIYA KENJI (JP)
TAKAHARA GO (JP)
AIKAWA NAOYA (JP)
KISARA YUTA (JP)
TATSUMI ARATA (JP)
Application Number:
PCT/JP2018/014245
Publication Date:
October 18, 2018
Filing Date:
April 03, 2018
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
H05B3/72; H05B3/20; H05B3/30; H05B3/48
Foreign References:
| JP2009091660A | 2009-04-30 | |||
| JPS5854577A | 1983-03-31 | |||
| JPS5486756U | 1979-06-19 | |||
| JPS54126146U | 1979-09-03 | |||
| JP2002151239A | 2002-05-24 |
Other References:
See also references of EP 3612000A4
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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