JPS6428460A - Valve mechanism for control of overheating for suction refrigerant - Google Patents

Valve mechanism for control of overheating for suction refrigerant

Info

Publication number
JPS6428460A
JPS6428460A JP62180784A JP18078487A JPS6428460A JP S6428460 A JPS6428460 A JP S6428460A JP 62180784 A JP62180784 A JP 62180784A JP 18078487 A JP18078487 A JP 18078487A JP S6428460 A JPS6428460 A JP S6428460A
Authority
JP
Japan
Prior art keywords
pressure
chamber
suction
refrigerant
upstream
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
JP62180784A
Other languages
Japanese (ja)
Other versions
JPH0721371B2 (en
Inventor
Hisao Kobayashi
Katsunori Kawai
Masayuki Tanigawa
Hiroyuki Deguchi
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.)
Toyota Industries Corp
Original Assignee
Toyoda Automatic Loom Works 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 Toyoda Automatic Loom Works Ltd filed Critical Toyoda Automatic Loom Works Ltd
Priority to JP62180784A priority Critical patent/JPH0721371B2/en
Publication of JPS6428460A publication Critical patent/JPS6428460A/en
Publication of JPH0721371B2 publication Critical patent/JPH0721371B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B12/00—Dynamic random access memory [DRAM] devices
    • H10B12/01—Manufacture or treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

PURPOSE: To stabilize a cooling feeling and to improve a superheat degree control accuracy by providing a pressure chamber for operating a control pressure at a bottom side of a spool valve, and a switching valve for selectively communicating an upstream suction pipeline of a valve mechanism and a downstream suction pipeline with the chamber. CONSTITUTION: A suction pressure chamber 43 is provided in a housing 41 of a switching valve 40 for selectively communicating an upstream suction pipeline 22a of a valve mechanism 30 and a downstream suction pipeline 22b with the chamber 43, and opposed to a pressure switching chamber 46 isolated via bellows 45. The same type as circulating refrigerant or refrigerant having slightly higher saturated pressure is sealed in a temperature sensitive cylinder 47 arranged in the pipeline 22a, and its saturated pressure is conducted with the chamber 46 via a sealed tube 48. When superheat degree of the suction refrigerant is now raised so that a differential pressure between the saturated pressure in the cylinder 47 and the upstream pressure is large to exceed a set spring 56, a spool valve 33 operating with the upstream pressure at both ends is advanced for opening the channel by the spring 35 urged to a head side, the circulating refrigerant is increased, i.e., superheat degree of the suction refrigerant is lowered.
JP62180784A 1987-07-20 1987-07-20 Valve mechanism for superheat control of suction refrigerant Expired - Lifetime JPH0721371B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62180784A JPH0721371B2 (en) 1987-07-20 1987-07-20 Valve mechanism for superheat control of suction refrigerant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62180784A JPH0721371B2 (en) 1987-07-20 1987-07-20 Valve mechanism for superheat control of suction refrigerant

Publications (2)

Publication Number Publication Date
JPS6428460A true JPS6428460A (en) 1989-01-31
JPH0721371B2 JPH0721371B2 (en) 1995-03-08

Family

ID=16089267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62180784A Expired - Lifetime JPH0721371B2 (en) 1987-07-20 1987-07-20 Valve mechanism for superheat control of suction refrigerant

Country Status (1)

Country Link
JP (1) JPH0721371B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173437A (en) * 1991-08-01 1992-12-22 Chartered Semiconductor Manufacturing Pte Ltd Double polysilicon capacitor formation compatable with submicron processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173437A (en) * 1991-08-01 1992-12-22 Chartered Semiconductor Manufacturing Pte Ltd Double polysilicon capacitor formation compatable with submicron processing

Also Published As

Publication number Publication date
JPH0721371B2 (en) 1995-03-08

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