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JPS5448355A - Refrigerating cycle - Google Patents

Refrigerating cycle

Info

Publication number
JPS5448355A
JPS5448355A JP11454677A JP11454677A JPS5448355A JP S5448355 A JPS5448355 A JP S5448355A JP 11454677 A JP11454677 A JP 11454677A JP 11454677 A JP11454677 A JP 11454677A JP S5448355 A JPS5448355 A JP S5448355A
Authority
JP
Japan
Prior art keywords
heating
valve
temperature
switch
suction 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.)
Granted
Application number
JP11454677A
Other languages
Japanese (ja)
Other versions
JPS5518341B2 (en
Inventor
Isao Takeyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11454677A priority Critical patent/JPS5448355A/en
Publication of JPS5448355A publication Critical patent/JPS5448355A/en
Publication of JPS5518341B2 publication Critical patent/JPS5518341B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

PURPOSE: To return a part of compressed refrigerant to the suction side by opening a valve provided on the cylinder wall of a compressor in the starting operation of heating for improving the starting characteristic of heating in a low temperature.
CONSTITUTION: When a cooling-heating switch is switched over to the heating operation, a switch to be operated by a sinsor is electrically connected to close a valve 16. Since a valve body 13 is released from high pressure refrigerant, it opens a connecting hole 2 provided on the wall of a cylinder 3 by the force of a spring 14. Consequently, the refrigernat being compressed in the cylinder 3 is conducted into the suction side 10 through a gas discharge passage 7, and the temperature and the pressure in the suction side 10 are raised for shifting a compressor 1 into a high temperature and high pressure operation rapidly. When the temperature of discharged refrigerant reaches a fixed level, the switch is operated by the sensor to open the valve 16, and the cdompressor l is shifted into a steady operation
COPYRIGHT: (C)1979,JPO&Japio
JP11454677A 1977-09-26 1977-09-26 Refrigerating cycle Granted JPS5448355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11454677A JPS5448355A (en) 1977-09-26 1977-09-26 Refrigerating cycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11454677A JPS5448355A (en) 1977-09-26 1977-09-26 Refrigerating cycle

Publications (2)

Publication Number Publication Date
JPS5448355A true JPS5448355A (en) 1979-04-16
JPS5518341B2 JPS5518341B2 (en) 1980-05-17

Family

ID=14640479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11454677A Granted JPS5448355A (en) 1977-09-26 1977-09-26 Refrigerating cycle

Country Status (1)

Country Link
JP (1) JPS5448355A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3247302A1 (en) 1981-12-22 1983-06-30 Mitsubishi Denki K.K., Tokyo COOLING AND HEATING DEVICE
JPS62238949A (en) * 1986-04-11 1987-10-19 株式会社日立製作所 Capacity controller for screw compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3247302A1 (en) 1981-12-22 1983-06-30 Mitsubishi Denki K.K., Tokyo COOLING AND HEATING DEVICE
JPS62238949A (en) * 1986-04-11 1987-10-19 株式会社日立製作所 Capacity controller for screw compressor

Also Published As

Publication number Publication date
JPS5518341B2 (en) 1980-05-17

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