BR8406543A - Um sistema de controle para uma valvula de expansao e um sistema de refrigeracao e processo de realizar o dito controle - Google Patents

Um sistema de controle para uma valvula de expansao e um sistema de refrigeracao e processo de realizar o dito controle

Info

Publication number
BR8406543A
BR8406543A BR8406543A BR8406543A BR8406543A BR 8406543 A BR8406543 A BR 8406543A BR 8406543 A BR8406543 A BR 8406543A BR 8406543 A BR8406543 A BR 8406543A BR 8406543 A BR8406543 A BR 8406543A
Authority
BR
Brazil
Prior art keywords
control
carry out
expansion valve
refrigeration system
control system
Prior art date
Application number
BR8406543A
Other languages
English (en)
Inventor
John W Shedel
Richard G Lord
Original Assignee
Carrier Corp
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 Carrier Corp filed Critical Carrier Corp
Publication of BR8406543A publication Critical patent/BR8406543A/pt

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
    • F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • 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)
  • Air Conditioning Control Device (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
BR8406543A 1983-12-22 1984-12-18 Um sistema de controle para uma valvula de expansao e um sistema de refrigeracao e processo de realizar o dito controle BR8406543A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56454283A 1983-12-22 1983-12-22

Publications (1)

Publication Number Publication Date
BR8406543A true BR8406543A (pt) 1985-10-15

Family

ID=24254900

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8406543A BR8406543A (pt) 1983-12-22 1984-12-18 Um sistema de controle para uma valvula de expansao e um sistema de refrigeracao e processo de realizar o dito controle

Country Status (12)

Country Link
EP (1) EP0147356A3 (pt)
JP (1) JPS60155871A (pt)
KR (1) KR850004811A (pt)
AU (1) AU549713B2 (pt)
BR (1) BR8406543A (pt)
CA (1) CA1239458A (pt)
DK (1) DK595884A (pt)
EG (1) EG17138A (pt)
IN (1) IN161840B (pt)
MX (1) MX157059A (pt)
MY (1) MY101081A (pt)
PH (1) PH25151A (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6268115A (ja) * 1985-09-20 1987-03-28 Sanden Corp 自動車用空調装置の制御装置
DE3601817A1 (de) * 1986-01-22 1987-07-23 Egelhof Fa Otto Regelvorrichtung fuer den kaeltemittelzustrom zum verdampfer von kaelteanlagen oder waermepumpen sowie im kaeltemittelstrom angeordnete expansionsventile
FR2598789B1 (fr) * 1986-05-13 1988-09-16 Electricite De France Detendeur thermostatique programmable.
EP0276491B1 (en) * 1987-01-27 1992-04-01 Eaton Corporation Control system for air cooling
US4848100A (en) * 1987-01-27 1989-07-18 Eaton Corporation Controlling refrigeration
DE3714120C1 (de) * 1987-04-28 1988-04-21 Emerson Electric Gmbh Steueranordnung fuer ein Expansionsventil einer Kaelteanlage
US4841734A (en) * 1987-11-12 1989-06-27 Eaton Corporation Indicating refrigerant liquid saturation point
WO1989007741A1 (en) * 1988-02-15 1989-08-24 Andres Josef Hegglin Arrangement for continuously controlling the capacity of a refrigerating machine
DE3818584A1 (de) * 1988-06-01 1989-12-14 Hermle Kg Berthold Kuehlvorrichtung fuer eine zentrifuge
US20110079286A1 (en) * 2009-10-01 2011-04-07 Hamilton Sundstrand Corporation Expansion Valve
EP2557379A1 (en) 2009-11-18 2013-02-13 Parker Hannifin Corporation Electric Expansion Valve
US9874380B2 (en) 2012-06-25 2018-01-23 Rheem Manufacturing Company Apparatus and methods for controlling an electronic expansion valve in a refrigerant circuit
EP2963321B1 (en) * 2013-02-27 2018-09-12 Zhejiang Sanhua Climate & Appliance Controls Group Co., Ltd. Electronic expansion valve and connection assembly therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577743A (en) * 1969-06-10 1971-05-04 Vilter Manufacturing Corp Control for refrigeration systems
JPS588956A (ja) * 1981-07-10 1983-01-19 株式会社システム・ホ−ムズ ヒ−トポンプ式冷暖房装置
EP0078928A3 (de) * 1981-11-10 1983-09-28 Feraton Anstalt Verfahren zur Regelung der umlaufenden Kältemittel in einem Kältemittelkreis und Vorrichtung zur Durchführung des Verfahrens
JPS58200964A (ja) * 1982-05-20 1983-11-22 株式会社東芝 ヒ−トポンプ式空気調和機
DE3220420A1 (de) * 1982-05-29 1983-12-15 Vereinigte Elektrizitätswerke Westfalen AG, 4600 Dortmund Verfahren zur regelung eines elektrisch ansteuerbaren expansionsventils
GB2130747B (en) * 1982-11-22 1986-09-17 Mitsubishi Electric Corp Control device for refrigeration cycle
FR2539855B1 (fr) * 1983-01-25 1985-09-27 Comp Generale Electricite Procede et dispositif de reglage du taux de detente dans une vanne de detente du fluide frigorifique d'un cycle de pompe a chaleur

Also Published As

Publication number Publication date
CA1239458A (en) 1988-07-19
DK595884D0 (da) 1984-12-13
IN161840B (pt) 1988-02-13
AU3331284A (en) 1985-06-27
MY101081A (en) 1991-07-16
MX157059A (es) 1988-10-21
AU549713B2 (en) 1986-02-06
DK595884A (da) 1985-06-23
EG17138A (en) 1991-03-30
JPS60155871A (ja) 1985-08-15
KR850004811A (ko) 1985-07-27
EP0147356A3 (en) 1986-05-28
EP0147356A2 (en) 1985-07-03
PH25151A (en) 1991-03-13

Similar Documents

Publication Publication Date Title
BR8501602A (pt) Metodo de ajustagem de controle eletronico para unidade de refrigeracao
BR8501605A (pt) Processo para operar sistema de refrigeracao e sistema de controle para operar sistema de refrigeracao
BR8406543A (pt) Um sistema de controle para uma valvula de expansao e um sistema de refrigeracao e processo de realizar o dito controle
BR8304532A (pt) Controle de temperatura em zonas multiplas de sistemas de refrigeracao de ciclo de ar
BR8501072A (pt) Dispositivo de controle para um aparelho refrigerador e processo para controlar um aparelho de refrigeracao
BR8501601A (pt) Metodo de controle de compressores de unidade de refrigeracao
MX159476A (es) Mejoras en sistema para controlar el funcionamiento de una torre de refrigeracion
BR8406279A (pt) Sistema de controle para veiculo
BR8206807A (pt) Sistema e processo para controle da pressao de ar em um recinto
ES534152A0 (es) Metodo de control electronico para vehiculos
BR8501625A (pt) Processo e sistema de controle para operar sistema de refrigeracao
BR8504706A (pt) Sistema de controle de valvula eletrohidraulica
BR8401573A (pt) Instalacao para detectar defeito em um sistema de controle pneumatico
BR8404837A (pt) Mecanismo de controle para sistemas de microprocessadores
BR8502513A (pt) Processo para realizar o controle de um procedimento usando uma pluralidade de lacos de controle em um sistema digital de controle de processo distribuido e aparelho controlador
BR8204188A (pt) Sistema de controle para uma prensa
BR8406483A (pt) Processo e aparelho para controlar o fluxo de refrigerante em um sistema de refrigeracao
BR8505168A (pt) Processo e disposicao de circuito para o controle funcional de instalacoes de alarme de ultra-som
ES549976A0 (es) Procedimiento para el control de un determinado numero de subprocesos al producirse un fallo de funcionamiento en un sistema de control distribuido
ES546685A0 (es) Metodo para la optimizacion del alcance de objetivos aereos
BR8907673A (pt) Sistema de controle para uma pluralidade de simuladores de viagem
DK591184D0 (da) Expansionsventil
BR8501547A (pt) Processo para testar os controles eletronicos de unidade de refrigeracao
BR9300935A (pt) Sistema de controle para a implementacao semi-automatica de mudancas selecionadas e metodo de controle para controlar a implementacao semi-automatica de mudancas selecionadas
BR8301683A (pt) Sistema de controle para um veiculo e processo para controlar um veiculo

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 18/12/99