JPS649832B2 - - Google Patents

Info

Publication number
JPS649832B2
JPS649832B2 JP56062515A JP6251581A JPS649832B2 JP S649832 B2 JPS649832 B2 JP S649832B2 JP 56062515 A JP56062515 A JP 56062515A JP 6251581 A JP6251581 A JP 6251581A JP S649832 B2 JPS649832 B2 JP S649832B2
Authority
JP
Japan
Prior art keywords
voltage
transistor
operational amplifier
input
blower motor
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.)
Expired
Application number
JP56062515A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57180388A (en
Inventor
Akira Kayama
Shigeru Horiuchi
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.)
MIKURON DENKI KK
Original Assignee
MIKURON DENKI KK
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 MIKURON DENKI KK filed Critical MIKURON DENKI KK
Priority to JP56062515A priority Critical patent/JPS57180388A/ja
Publication of JPS57180388A publication Critical patent/JPS57180388A/ja
Publication of JPS649832B2 publication Critical patent/JPS649832B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Direct Current Motors (AREA)
JP56062515A 1981-04-27 1981-04-27 Blower motor control circuit for car air conditioner with safety protecting circuit Granted JPS57180388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56062515A JPS57180388A (en) 1981-04-27 1981-04-27 Blower motor control circuit for car air conditioner with safety protecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56062515A JPS57180388A (en) 1981-04-27 1981-04-27 Blower motor control circuit for car air conditioner with safety protecting circuit

Publications (2)

Publication Number Publication Date
JPS57180388A JPS57180388A (en) 1982-11-06
JPS649832B2 true JPS649832B2 (en]) 1989-02-20

Family

ID=13202387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56062515A Granted JPS57180388A (en) 1981-04-27 1981-04-27 Blower motor control circuit for car air conditioner with safety protecting circuit

Country Status (1)

Country Link
JP (1) JPS57180388A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59103600U (ja) * 1982-12-25 1984-07-12 株式会社日本コンラックス 小型直流モ−タの保護回路
US5437848A (en) * 1992-07-10 1995-08-01 Cabot Corporation Recovery of metal values from process residues

Also Published As

Publication number Publication date
JPS57180388A (en) 1982-11-06

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