Title:
ELECTRIC HEATER AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2018/101407
Kind Code:
A1
Abstract:
An electric heater (1) is provided with: a plurality of PTC elements (2) for generating heat by electric current passing therethrough; a plurality of electrode plates (3) for applying electric current to the PTC elements (2); a plurality of heat dissipation fins (4) for dissipating heat transferred from the PTC elements (2); a resin plate (5) for providing insulation between the electrode plates (3) having different polarities; and a pressing spring (7) for pressing a laminate (10) from both sides in the lamination direction (H). In projection ranges (R), on the surface in the lamination direction (H) of the resin plate (5), which respectively are the arrangement portions projected in the lamination direction (H) of the PTC elements (2), a plurality of protruding portions (51), protruding as compared to the surface, are provided, respectively. The protruding portion (51) in each projection range (R) has a deformed portion obtained by plastic deformation due to contact with the electrode plates (3).
Inventors:
OYA YASUHIRO (JP)
KOBAYASHI YUKI (JP)
SHINNISHI SHOJI (JP)
KOBAYASHI YUKI (JP)
SHINNISHI SHOJI (JP)
Application Number:
PCT/JP2017/043071
Publication Date:
June 07, 2018
Filing Date:
November 30, 2017
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H05B3/06; H05B3/10; H05B3/14; H05B3/20
Foreign References:
| JP2009152172A | 2009-07-09 | |||
| JPH0521134A | 1993-01-29 | |||
| JP2009170121A | 2009-07-30 |
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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