JPS55140609A - Protector for compressor of air conditioner - Google Patents

Protector for compressor of air conditioner

Info

Publication number
JPS55140609A
JPS55140609A JP4528379A JP4528379A JPS55140609A JP S55140609 A JPS55140609 A JP S55140609A JP 4528379 A JP4528379 A JP 4528379A JP 4528379 A JP4528379 A JP 4528379A JP S55140609 A JPS55140609 A JP S55140609A
Authority
JP
Japan
Prior art keywords
compressor
switch
resistor
coolant
electromagnetic clutch
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.)
Granted
Application number
JP4528379A
Other languages
Japanese (ja)
Other versions
JPS5823245B2 (en
Inventor
Masao Izumi
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP54045283A priority Critical patent/JPS5823245B2/en
Publication of JPS55140609A publication Critical patent/JPS55140609A/en
Publication of JPS5823245B2 publication Critical patent/JPS5823245B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3225—Cooling devices using compression characterised by safety arrangements, e.g. compressor anti-seizure means or by signalling devices

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

PURPOSE:To protect a compressor even from a small degree of coolant leakage, by setting the operating pressure of low pressure cut-switch for detecting pressure variations in the coolant to a higher level while connecting a PTC ceramic resistor in parallel with said switch. CONSTITUTION:When closing an ignition switch 6 to close the compressor switch 7, current flows from the power source 9 through each of switches 6-8, and PTC ceramic resistor 4 to electromagnetic clutch 1 thus to turn on said clutch 1 and start the compressor 10 if the thermoswitch 8 provided on an evaporator (not shown) is closed. From this state, the resistor 4 will heat itself and when it reaches to predetermined temperature its resistance increases abruptly thereby the current will scarcely flow through said resistor 4. If the coolant is leaked and the low pressure cut-switch 3 detects the pressure drop and opens, the electromagnetic clutch 1 is turned off to stop the compressor 10.
JP54045283A 1979-04-16 1979-04-16 Cooler compressor protection device Expired JPS5823245B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54045283A JPS5823245B2 (en) 1979-04-16 1979-04-16 Cooler compressor protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54045283A JPS5823245B2 (en) 1979-04-16 1979-04-16 Cooler compressor protection device

Publications (2)

Publication Number Publication Date
JPS55140609A true JPS55140609A (en) 1980-11-04
JPS5823245B2 JPS5823245B2 (en) 1983-05-13

Family

ID=12714973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54045283A Expired JPS5823245B2 (en) 1979-04-16 1979-04-16 Cooler compressor protection device

Country Status (1)

Country Link
JP (1) JPS5823245B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253213A (en) * 1985-05-04 1986-11-11 Diesel Kiki Co Ltd Vehicle cooling device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185542A (en) * 1983-04-05 1984-10-22 Sintokogio Ltd Forming method of casting mold

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4816189U (en) * 1971-07-02 1973-02-23
JPS5267672U (en) * 1975-11-14 1977-05-19

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4816189U (en) * 1971-07-02 1973-02-23
JPS5267672U (en) * 1975-11-14 1977-05-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253213A (en) * 1985-05-04 1986-11-11 Diesel Kiki Co Ltd Vehicle cooling device

Also Published As

Publication number Publication date
JPS5823245B2 (en) 1983-05-13

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