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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Structures Of Non-Positive Displacement Pumps (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
US4850201A (en) * 1986-04-25 1989-07-25 Advantage Engineering Incorporated Precision-controlled water chiller
US4802338A (en) * 1986-04-25 1989-02-07 Advantage Engineering Incorporated Precision-controlled water chiller
US4769998A (en) * 1986-04-25 1988-09-13 Advantage Electronics, 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
US5129237A (en) * 1989-06-26 1992-07-14 Servend International, Inc. Ice making machine with freeze and harvest control
US4947653A (en) * 1989-06-26 1990-08-14 Hussmann Corporation 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
JP4106054B2 (ja) 2002-08-06 2008-06-25 ヨーク・インターナショナル・コーポレーション 並列運転される遠心コンプレッサ用安定性制御システム及び方法
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
US7421854B2 (en) 2004-01-23 2008-09-09 York International Corporation Automatic start/stop sequencing controls for a steam turbine powered chiller unit
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
US9127897B2 (en) * 2010-12-30 2015-09-08 Kellogg Brown & Root Llc Submersed heat exchanger
JP6396662B2 (ja) * 2013-03-15 2018-09-26 ダイキン アプライド アメリカズ インコーポレィティッド 冷凍装置および冷凍機の制御装置
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
EP3524904A1 (en) 2018-02-06 2019-08-14 Carrier Corporation Hot gas bypass energy recovery
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
WO2020231933A1 (en) * 2019-05-14 2020-11-19 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
CA1100320A (en) 1981-05-05
AU529846B2 (en) 1983-06-23
FR2446511B1 (it) 1984-01-27
JPS5596874A (en) 1980-07-23
GB2044955A (en) 1980-10-22
AU5331379A (en) 1980-07-24
BR7908381A (pt) 1980-09-02
MX151419A (es) 1984-11-14
DE2950264A1 (de) 1980-07-17
FR2446511A1 (fr) 1980-08-08
US4248055A (en) 1981-02-03
GB2044955B (en) 1983-01-26
DE2950264C2 (it) 1987-08-27
JPH0159509B2 (it) 1989-12-18
IT1196908B (it) 1988-11-25

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961220