IT7928164A0 - Metodo e sistema di controllo di una valvola per la derivazione di gas caldi per dispositivi centrifughi di raffreddamento a liquido. - Google Patents

Metodo e sistema di controllo di una valvola per la derivazione di gas caldi per dispositivi centrifughi di raffreddamento a liquido.

Info

Publication number
IT7928164A0
IT7928164A0 IT7928164A IT2816479A IT7928164A0 IT 7928164 A0 IT7928164 A0 IT 7928164A0 IT 7928164 A IT7928164 A IT 7928164A IT 2816479 A IT2816479 A IT 2816479A IT 7928164 A0 IT7928164 A0 IT 7928164A0
Authority
IT
Italy
Prior art keywords
derivation
valve
control system
liquid cooling
hot gases
Prior art date
Application number
IT7928164A
Other languages
English (en)
Other versions
IT1196908B (it
Inventor
Day Arthur Reginald
Ginder Harold Becker
Original Assignee
Borg Warner
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 Borg Warner filed Critical Borg Warner
Publication of IT7928164A0 publication Critical patent/IT7928164A0/it
Application granted granted Critical
Publication of IT1196908B publication Critical patent/IT1196908B/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
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Thermal Sciences (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
IT28164/79A 1979-01-15 1979-12-18 Metodo e sistema di controllo di una valvola per la derivazione di gas caldi per dispositivi centrifughi di raffreddamento a liquido IT1196908B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/003,316 US4248055A (en) 1979-01-15 1979-01-15 Hot gas bypass control for centrifugal liquid chillers

Publications (2)

Publication Number Publication Date
IT7928164A0 true IT7928164A0 (it) 1979-12-18
IT1196908B IT1196908B (it) 1988-11-25

Family

ID=21705222

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28164/79A IT1196908B (it) 1979-01-15 1979-12-18 Metodo e sistema di controllo di una valvola per la derivazione di gas caldi per dispositivi centrifughi di raffreddamento a liquido

Country Status (10)

Country Link
US (1) US4248055A (it)
JP (1) JPS5596874A (it)
AU (1) AU529846B2 (it)
BR (1) BR7908381A (it)
CA (1) CA1100320A (it)
DE (1) DE2950264A1 (it)
FR (1) FR2446511A1 (it)
GB (1) GB2044955B (it)
IT (1) IT1196908B (it)
MX (1) MX151419A (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399651A (en) * 1981-05-28 1983-08-23 Elliott Turbomachinery Co., Inc. Method for starting an FCC power recovery string
GB2122384A (en) * 1982-06-14 1984-01-11 Conair Plastics material drying cycle
JPS59122863A (ja) * 1982-12-28 1984-07-16 ダイキン工業株式会社 冷凍装置
US4459818A (en) * 1983-05-26 1984-07-17 The Babcock & Wilcox Company Supervisory control of chilled water temperature
US4562531A (en) * 1983-10-07 1985-12-31 The Babcock & Wilcox Company Integrated control of output and surge for a dynamic compressor control system
FR2562644A1 (fr) * 1984-04-09 1985-10-11 Alberti Rosette Procede d'exploitation d'une installation de pompe a chaleur et pompe a chaleur mettant en oeuvre le procede
DE3609313A1 (de) * 1986-03-20 1987-09-24 Bbc York Kaelte Klima Verfahren zur rueckgewinnung von verfluessigungswaerme einer kaelteanlage und kaelteanlage zur durchfuehrung des verfahrens
US4769998A (en) * 1986-04-25 1988-09-13 Advantage Electronics, Incorporated Precision-controlled water chiller
US4802338A (en) * 1986-04-25 1989-02-07 Advantage Engineering Incorporated Precision-controlled water chiller
US4850201A (en) * 1986-04-25 1989-07-25 Advantage Engineering Incorporated Precision-controlled water chiller
JP2557903B2 (ja) * 1987-09-10 1996-11-27 株式会社東芝 空気調和機
DE3832037A1 (de) * 1988-09-21 1990-03-22 Kriwan Ind Elektronik Gmbh Verfahren zur steuerung von arbeitsmaschinen in einer verbundanlage
US4947653A (en) * 1989-06-26 1990-08-14 Hussmann Corporation Ice making machine with freeze and harvest control
US5129237A (en) * 1989-06-26 1992-07-14 Servend International, Inc. Ice making machine with freeze and harvest control
JPH03286968A (ja) * 1990-03-31 1991-12-17 Aisin Seiki Co Ltd 極低温冷凍装置
US5042263A (en) * 1990-08-13 1991-08-27 Servend International, Inc. Ice making machine with freeze and harvest control
US5203179A (en) * 1992-03-04 1993-04-20 Ecoair Corporation Control system for an air conditioning/refrigeration system
CH688784A5 (de) * 1993-03-05 1998-03-13 Escher Wyss Gmbh Kuehleinrichtung.
FR2708093B1 (fr) * 1993-07-23 1995-09-01 Air Liquide Installation de réfrigération à très basse température.
US5806324A (en) * 1995-10-30 1998-09-15 Shaw; David N. Variable capacity vapor compression cooling system
US6202431B1 (en) * 1999-01-15 2001-03-20 York International Corporation Adaptive hot gas bypass control for centrifugal chillers
EP1540187B1 (en) 2002-08-06 2011-07-13 York International Corporation Stability control system and method for centrifugal compressors operating in parallel
US7356999B2 (en) * 2003-10-10 2008-04-15 York International Corporation System and method for stability control in a centrifugal compressor
US7905102B2 (en) * 2003-10-10 2011-03-15 Johnson Controls Technology Company Control system
US7421853B2 (en) * 2004-01-23 2008-09-09 York International Corporation Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit
US7328587B2 (en) 2004-01-23 2008-02-12 York International Corporation Integrated adaptive capacity control for a steam turbine powered chiller unit
US7421854B2 (en) 2004-01-23 2008-09-09 York International Corporation Automatic start/stop sequencing controls for a steam turbine powered chiller unit
US9127897B2 (en) * 2010-12-30 2015-09-08 Kellogg Brown & Root Llc Submersed heat exchanger
US9797640B2 (en) * 2013-03-15 2017-10-24 Daikin Applied Americas Inc. Refrigerating apparatus and corresponding control device
CN105571181B (zh) * 2016-01-12 2017-11-28 珠海格力电器股份有限公司 一种变频离心式冷水机组及其控制调节方法
US11268523B2 (en) 2017-10-10 2022-03-08 Daikin Industries, Ltd. Centrifugal compressor with recirculation structure
RU2019103187A (ru) 2018-02-06 2020-08-05 Кэрриер Корпорейшн Рекуперация энергии от горячего газа в перепускной линии
CN110701839B (zh) 2018-07-09 2023-04-21 开利公司 冷机站管理装置和方法、计算机存储介质以及冷机站
US12018693B2 (en) 2019-05-14 2024-06-25 Carrier Corporation Method and system for compressor operating range extension via active valve control
CN112303826B (zh) * 2020-10-22 2022-05-20 青岛海尔空调电子有限公司 空调机组的控制方法及空调机组

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661145A (en) * 1947-03-11 1953-12-01 Guardite Corp Antisurge control for refrigeration compressors
US2739451A (en) * 1952-09-30 1956-03-27 Carrier Corp Refrigeration system provided with compressor unloading mechanism
US3174298A (en) * 1957-03-25 1965-03-23 Phillips Petroleum Co Process controller
US3250084A (en) * 1963-09-25 1966-05-10 Carrier Corp Control systems
US3522711A (en) * 1968-07-16 1970-08-04 American Standard Inc Capacity controller for liquid chiller
US3780532A (en) * 1971-09-17 1973-12-25 Borg Warner Temperature control system for centrifugal liquid chilling machines
JPS5364854A (en) * 1976-11-22 1978-06-09 Ebara Corp Capacity controlling method of turbo freezer

Also Published As

Publication number Publication date
GB2044955B (en) 1983-01-26
BR7908381A (pt) 1980-09-02
FR2446511B1 (it) 1984-01-27
CA1100320A (en) 1981-05-05
AU529846B2 (en) 1983-06-23
FR2446511A1 (fr) 1980-08-08
DE2950264C2 (it) 1987-08-27
IT1196908B (it) 1988-11-25
GB2044955A (en) 1980-10-22
DE2950264A1 (de) 1980-07-17
JPH0159509B2 (it) 1989-12-18
AU5331379A (en) 1980-07-24
US4248055A (en) 1981-02-03
MX151419A (es) 1984-11-14
JPS5596874A (en) 1980-07-23

Similar Documents

Publication Publication Date Title
IT7928164A0 (it) Metodo e sistema di controllo di una valvola per la derivazione di gas caldi per dispositivi centrifughi di raffreddamento a liquido.
NO801513L (no) Fremgangsmaate og anordning for forankring av roer, slik som roerledninger paa sjoebunnen
NO146409C (no) Fremgangsmaate til drift av et varmepumpesystem, og varmepumpesystem til utfoerelse av fremgangsmaaten
IT8322263A0 (it) Sistema di tenuta abrasiva ed abradibile per il percorso dei gas in motori a turbina a gas.
IT8022138A0 (it) Procedimento ed impianto di sterilizzazione di un gas e dispositivo di condizionamento e di protezione di una zona di uno spazio.
IT1128365B (it) Scambiatore di calore gas liquido
NO161088C (no) Fremgangsmaate for avkjoeling av en multikomponent gasstroemsamt en innretning for gjennomfoering av fremgangsmaaten.
IT7923418A0 (it) Sistema di tenuta per turbomacchina.
ES510805A0 (es) Sistema y aparato para el aislamiento termico de grandes superficies acuaticas.
IT8121454A0 (it) Dispositivo antivortice per l'aria di raffreddamento di una turbina agas.
IT1135279B (it) Sistema di comando valvolare per motori endotermici
DK154986C (da) Varmeanlaeg med en absorptionsvarmepumpe samt fremgangsmaade til drift deraf
NO162902C (no) Oppfangningspakkesegment, fremgangsmaate til dets fremstilling og oppfangningspakke bestaaende av flere slike segmenter.
IT7819466A0 (it) Dispositivo di tenuta di sicurezza, per valvola, e valvola con tale dispositivo.
DK615787A (da) Apparat til udveksling af ioner, molekyler, gas, vaeske og/eller varme mellem fluider
DK512585A (da) Ventil for let fordampelige vaesker, isaer ekspansionsventil for koeleanlaeg
DK162617C (da) Braender til stoevformige, gasformige og/eller flydende braendsler
DK262783D0 (da) Temperaturstyret gasgennemstroemningsventil
ES269070Y (es) Dispositivo para la proteccion y acondicionamiento de botellas.
IT8222326A0 (it) Sistema di controllo della temperatura e della pressione per il controllo di un ambiente chiuso.
IT1028481B (it) Sistema di controllo della temperatura e valvola modulatrice di depressione per lo stesso
NO155237C (no) Innretning for gassbehandling av vaesker.
NO813332L (no) Fremgangsmaate til fremstilling av muffer eller lignende paa roerformede emner av termoplaster, og innretning for gjennomfoering av fremgangsmaaten
NO159670C (no) Fremgangsmaate til elektrokjemisk omsetning av en vaeske med en gass og anvendelse av fremgangsmaaten.
IT1084617B (it) Sistema di controllo per bruciatori di gas.

Legal Events

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

Effective date: 19961220