IT1285020B1 - Valvola di controllo a due vie a sezione di passaggio variabile per un circuito frigorifero - Google Patents

Valvola di controllo a due vie a sezione di passaggio variabile per un circuito frigorifero

Info

Publication number
IT1285020B1
IT1285020B1 IT96TO000215A ITTO960215A IT1285020B1 IT 1285020 B1 IT1285020 B1 IT 1285020B1 IT 96TO000215 A IT96TO000215 A IT 96TO000215A IT TO960215 A ITTO960215 A IT TO960215A IT 1285020 B1 IT1285020 B1 IT 1285020B1
Authority
IT
Italy
Prior art keywords
control valve
refrigerant circuit
passage section
way control
variable passage
Prior art date
Application number
IT96TO000215A
Other languages
English (en)
Inventor
Valter Cerrano
Original Assignee
Microtecnica
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 Microtecnica filed Critical Microtecnica
Priority to IT96TO000215A priority Critical patent/IT1285020B1/it
Publication of ITTO960215A0 publication Critical patent/ITTO960215A0/it
Priority to DE69707335T priority patent/DE69707335T2/de
Priority to EP97104547A priority patent/EP0798617B1/en
Priority to US08/819,264 priority patent/US6109588A/en
Publication of ITTO960215A1 publication Critical patent/ITTO960215A1/it
Application granted granted Critical
Publication of IT1285020B1 publication Critical patent/IT1285020B1/it

Links

Classifications

    • 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
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/355—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by electric heating of bimetal elements, shape memory elements or heat expanding elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Temperature-Responsive Valves (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
IT96TO000215A 1996-03-19 1996-03-19 Valvola di controllo a due vie a sezione di passaggio variabile per un circuito frigorifero IT1285020B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT96TO000215A IT1285020B1 (it) 1996-03-19 1996-03-19 Valvola di controllo a due vie a sezione di passaggio variabile per un circuito frigorifero
DE69707335T DE69707335T2 (de) 1996-03-19 1997-03-17 Zweiwege-Steuerventil mit variablem Durchtrittsquerschnitt für einen Kältekreislauf
EP97104547A EP0798617B1 (en) 1996-03-19 1997-03-17 Two-way variable-section control valve for a refrigeration circuit
US08/819,264 US6109588A (en) 1996-03-19 1997-03-18 Two-way variable-section control valve for a refrigeration circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96TO000215A IT1285020B1 (it) 1996-03-19 1996-03-19 Valvola di controllo a due vie a sezione di passaggio variabile per un circuito frigorifero

Publications (3)

Publication Number Publication Date
ITTO960215A0 ITTO960215A0 (it) 1996-03-19
ITTO960215A1 ITTO960215A1 (it) 1997-09-19
IT1285020B1 true IT1285020B1 (it) 1998-06-03

Family

ID=11414445

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96TO000215A IT1285020B1 (it) 1996-03-19 1996-03-19 Valvola di controllo a due vie a sezione di passaggio variabile per un circuito frigorifero

Country Status (4)

Country Link
US (1) US6109588A (it)
EP (1) EP0798617B1 (it)
DE (1) DE69707335T2 (it)
IT (1) IT1285020B1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6575707B2 (en) 2001-11-05 2003-06-10 Ingersoll-Rand Company Air compressor having thermal valve
US20050224031A1 (en) * 2004-04-13 2005-10-13 Knight Steven R Vehicle cabin heating system with wax motor three-way valve
US10802514B2 (en) 2018-07-06 2020-10-13 Rostra Vernatherm, Llc Dual mode thermal actuator
TWI667442B (zh) * 2018-08-01 2019-08-01 群光電能科技股份有限公司 閥、膨脹閥及其步進控制方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2047722A (en) * 1935-01-15 1936-07-14 Beaton & Cadwell Mfg Company Pressure, temperature, and vacuum relief valve
US2810523A (en) * 1955-08-01 1957-10-22 Robertshaw Fulton Controls Co Thermostatic mixing valve
US3109454A (en) * 1960-05-13 1963-11-05 Aqua Matic Inc Flow control apparatus
US3169008A (en) * 1962-05-16 1965-02-09 Aquamatic Inc Heat motor operated valve
US3381701A (en) * 1964-12-02 1968-05-07 Thermal Hydraulics Corp Switchless electrothermal actuator with constant electrical current input
US3397859A (en) * 1965-06-14 1968-08-20 Febco Inc Electromechanical transducer and valve operated thereby
US3439711A (en) * 1966-07-06 1969-04-22 Thermal Hydraulics Corp Sequentially power actuated plural valves
US3537678A (en) * 1968-08-19 1970-11-03 Intern Controls Corp Thermal motor actuated valves
US3860169A (en) * 1973-11-07 1975-01-14 Powers Regulators Company Ambient temperature control system
US3967781A (en) * 1975-02-12 1976-07-06 Emerson Electric Co. Electrically operated expansion valve for refrigeration control
US4043532A (en) * 1976-01-29 1977-08-23 New England Union Co. Valve with electrically operated actuator
US4235413A (en) * 1978-06-07 1980-11-25 Baker William E Electrically actuated valve
US4460007A (en) * 1983-01-25 1984-07-17 Pirkle Fred L Valve mechanism
FR2553150B1 (fr) * 1983-10-11 1987-12-24 Thomson Dauphinoise Perfectionnement aux dispositifs de regulation thermostatiques
IT1179990B (it) * 1984-02-24 1987-09-23 Gilardini Spa Gruppo termostatico per il circuito di raffreddamento del motore di veicoli
IT1190557B (it) * 1986-04-02 1988-02-16 Eltek Spa Elettrovalvola comprendente termistori associati ed un dispositivo a dilatazione di cera
US4666081A (en) * 1986-04-28 1987-05-19 Canadian Fram Limited Programmable thermostat and system therefor
GB2281412B (en) * 1991-07-04 1995-05-10 Asahi Optical Co Ltd Two group zoom lens system
DE4233913C2 (de) * 1992-10-08 2003-04-30 Behr Thermot Tronik Gmbh Elektrisch beheizbares Thermostatventil für einen Kühlmittelkreislauf eines Verbrennungsmotors

Also Published As

Publication number Publication date
US6109588A (en) 2000-08-29
ITTO960215A1 (it) 1997-09-19
DE69707335D1 (de) 2001-11-22
DE69707335T2 (de) 2002-07-04
EP0798617B1 (en) 2001-10-17
ITTO960215A0 (it) 1996-03-19
EP0798617A1 (en) 1997-10-01

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990330