JPS5440344A - Positive-characteristic thermister heater - Google Patents

Positive-characteristic thermister heater

Info

Publication number
JPS5440344A
JPS5440344A JP10580477A JP10580477A JPS5440344A JP S5440344 A JPS5440344 A JP S5440344A JP 10580477 A JP10580477 A JP 10580477A JP 10580477 A JP10580477 A JP 10580477A JP S5440344 A JPS5440344 A JP S5440344A
Authority
JP
Japan
Prior art keywords
thermister
positive
downstream
terminal
air side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10580477A
Other languages
Japanese (ja)
Inventor
Yasuhiro Narukawa
Katsumi Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10580477A priority Critical patent/JPS5440344A/en
Publication of JPS5440344A publication Critical patent/JPS5440344A/en
Pending legal-status Critical Current

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  • Resistance Heating (AREA)

Abstract

PURPOSE: To augment the quantity of radiation, keep almost uniform temperature on both the upstream air side and the downstream air side of positive-characteristic thermister and prevent the concentration of heating on the downstream air side, by placing radiator fins near the downstream terminal of the thermister and directly exposing the fins to air flow.
CONSTITUTION: Electric power is applied across the terminals 2b, 7 to heat the positive-characteristic thermister 1 fixed by fitting screws between the terminals. Forced ventilation is performed through a perforated hole of the thermister 1 by a fan 5 to produce hot air. Effective radiation of heat is performed from the downstream terminal 7 by the radiator fins located around it so that the temperature of the terminal 7 is kept from becoming high
COPYRIGHT: (C)1979,JPO&Japio
JP10580477A 1977-09-05 1977-09-05 Positive-characteristic thermister heater Pending JPS5440344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10580477A JPS5440344A (en) 1977-09-05 1977-09-05 Positive-characteristic thermister heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10580477A JPS5440344A (en) 1977-09-05 1977-09-05 Positive-characteristic thermister heater

Publications (1)

Publication Number Publication Date
JPS5440344A true JPS5440344A (en) 1979-03-29

Family

ID=14417291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10580477A Pending JPS5440344A (en) 1977-09-05 1977-09-05 Positive-characteristic thermister heater

Country Status (1)

Country Link
JP (1) JPS5440344A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718288U (en) * 1980-07-04 1982-01-30
JPS57189028U (en) * 1981-05-21 1982-11-30
US4876436A (en) * 1988-07-27 1989-10-24 Gte Products Corporation PTC air heater employing triangular PTC heating elements
US5028763A (en) * 1989-07-11 1991-07-02 Chung Tai Chang High heat dissipation PTC heater structure
JPH0545988U (en) * 1991-11-18 1993-06-18 株式会社村田製作所 Mounting structure for heating element with fin and fan

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718288U (en) * 1980-07-04 1982-01-30
JPS6318146Y2 (en) * 1980-07-04 1988-05-23
JPS57189028U (en) * 1981-05-21 1982-11-30
US4876436A (en) * 1988-07-27 1989-10-24 Gte Products Corporation PTC air heater employing triangular PTC heating elements
US5028763A (en) * 1989-07-11 1991-07-02 Chung Tai Chang High heat dissipation PTC heater structure
JPH0545988U (en) * 1991-11-18 1993-06-18 株式会社村田製作所 Mounting structure for heating element with fin and fan

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