GB1070093A - Improvements in thermostatic expansion valves - Google Patents

Improvements in thermostatic expansion valves

Info

Publication number
GB1070093A
GB1070093A GB5115/65A GB511565A GB1070093A GB 1070093 A GB1070093 A GB 1070093A GB 5115/65 A GB5115/65 A GB 5115/65A GB 511565 A GB511565 A GB 511565A GB 1070093 A GB1070093 A GB 1070093A
Authority
GB
United Kingdom
Prior art keywords
evaporator
diaphragm
spring
closure member
stem
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
GB5115/65A
Inventor
Eric Mcgowan
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.)
British Thermostat Co Ltd
Original Assignee
British Thermostat 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 British Thermostat Co Ltd filed Critical British Thermostat Co Ltd
Priority to GB5115/65A priority Critical patent/GB1070093A/en
Priority to DE19661476982 priority patent/DE1476982A1/en
Publication of GB1070093A publication Critical patent/GB1070093A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a diaphragm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
    • F25B41/335—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant via diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Temperature-Responsive Valves (AREA)
  • Safety Valves (AREA)

Abstract

1,070,093. Valves. BRITISH THERMOSTAT CO. Ltd. Jan. 28, 1966 [Feb. 5, 1965], No. 5115/65. Heading F2V. A thermally-responsive pressure element (25, Fig. 1, not shown) at the outlet of a refrigerator evaporator (9) is connected to a chamber 24, Fig. 2, bounded by a diaphragm 22 which is attached to a movable closure member 15 controlling flow between the outlet of a condenser (3, Fig. 1) and the evaporator inlet. The closure member 15, Fig. 2, has a spherical part which is supported upon a complementary surface of a spring-loaded hollow element 17 to provide limited universal movement therebetween and hence accurate co-operation of the member 15 with its seal 14. An expansible metal sealing bellows 31 surrounds the valve stem 21 and is filled with refrigerant from the inlet 5 via a clearance 30 between the stem 21 and a neck 29. The diaphragm 22 is biased against movement by a spring 32, one end of which abuts a hollow piston 33 the position of which and hence the spring-loading being adjustable. The chambers 27 beneath the diaphragm 22 may be connected either to the evaporator or the valve outlet depending upon whether the pressure drop across evaporator is high or low. Since movement of the valve stem causes contraction or expansion of the bellows 31 the resulting flow of refrigerant through the clearance 30 results in damping of the action of the stem and closure member.
GB5115/65A 1965-02-05 1965-02-05 Improvements in thermostatic expansion valves Expired GB1070093A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB5115/65A GB1070093A (en) 1965-02-05 1965-02-05 Improvements in thermostatic expansion valves
DE19661476982 DE1476982A1 (en) 1965-02-05 1966-02-04 Thermostatic relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5115/65A GB1070093A (en) 1965-02-05 1965-02-05 Improvements in thermostatic expansion valves

Publications (1)

Publication Number Publication Date
GB1070093A true GB1070093A (en) 1967-05-24

Family

ID=9789995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5115/65A Expired GB1070093A (en) 1965-02-05 1965-02-05 Improvements in thermostatic expansion valves

Country Status (2)

Country Link
DE (1) DE1476982A1 (en)
GB (1) GB1070093A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426200A1 (en) * 1978-05-20 1979-12-14 Bosch Gmbh Robert ELECTROVALVE
CN113701405A (en) * 2021-08-23 2021-11-26 苏州众捷汽车零部件股份有限公司 Refrigeration system thermostatic expansion valve temperature sensing bulb with overheat protection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426200A1 (en) * 1978-05-20 1979-12-14 Bosch Gmbh Robert ELECTROVALVE
CN113701405A (en) * 2021-08-23 2021-11-26 苏州众捷汽车零部件股份有限公司 Refrigeration system thermostatic expansion valve temperature sensing bulb with overheat protection
CN113701405B (en) * 2021-08-23 2022-09-02 苏州众捷汽车零部件股份有限公司 Refrigeration system thermostatic expansion valve temperature sensing bulb with overheat protection

Also Published As

Publication number Publication date
DE1476982A1 (en) 1969-10-23

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