FR2446511B1 - - Google Patents
Info
- Publication number
- FR2446511B1 FR2446511B1 FR7931294A FR7931294A FR2446511B1 FR 2446511 B1 FR2446511 B1 FR 2446511B1 FR 7931294 A FR7931294 A FR 7931294A FR 7931294 A FR7931294 A FR 7931294A FR 2446511 B1 FR2446511 B1 FR 2446511B1
- Authority
- FR
- France
- 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
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)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Remote Sensing (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
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 |
|---|---|
| FR2446511A1 FR2446511A1 (fr) | 1980-08-08 |
| FR2446511B1 true FR2446511B1 (US07923587-20110412-C00022.png) | 1984-01-27 |
Family
ID=21705222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931294A Granted FR2446511A1 (fr) | 1979-01-15 | 1979-12-20 | Dispositif de commande d'une valve de derivation de gaz chauds pour systeme de refroidissement liquide centrifuge |
Country Status (10)
Families Citing this family (35)
| 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 |
| 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 |
| 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 |
| KR100645237B1 (ko) | 2002-08-06 | 2006-11-15 | 요크 인터내셔널 코포레이션 | 병렬 작동하는 원심압축기들을 위한 안정화 제어 시스템 및 불안정 감지 방법 |
| 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 |
| US7328587B2 (en) | 2004-01-23 | 2008-02-12 | York International Corporation | Integrated adaptive capacity control 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 |
| 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 |
| EP3969758A1 (en) * | 2019-05-14 | 2022-03-23 | 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)
| 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 |
-
1979
- 1979-01-15 US US06/003,316 patent/US4248055A/en not_active Expired - Lifetime
- 1979-11-27 CA CA340,689A patent/CA1100320A/en not_active Expired
- 1979-11-29 AU AU53313/79A patent/AU529846B2/en not_active Ceased
- 1979-12-03 GB GB7941678A patent/GB2044955B/en not_active Expired
- 1979-12-13 DE DE19792950264 patent/DE2950264A1/de active Granted
- 1979-12-18 IT IT28164/79A patent/IT1196908B/it active
- 1979-12-20 BR BR7908381A patent/BR7908381A/pt unknown
- 1979-12-20 FR FR7931294A patent/FR2446511A1/fr active Granted
-
1980
- 1980-01-04 MX MX180699A patent/MX151419A/es unknown
- 1980-01-14 JP JP302480A patent/JPS5596874A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4248055A (en) | 1981-02-03 |
| GB2044955A (en) | 1980-10-22 |
| IT1196908B (it) | 1988-11-25 |
| IT7928164A0 (it) | 1979-12-18 |
| JPH0159509B2 (US07923587-20110412-C00022.png) | 1989-12-18 |
| DE2950264A1 (de) | 1980-07-17 |
| MX151419A (es) | 1984-11-14 |
| FR2446511A1 (fr) | 1980-08-08 |
| GB2044955B (en) | 1983-01-26 |
| JPS5596874A (en) | 1980-07-23 |
| CA1100320A (en) | 1981-05-05 |
| AU529846B2 (en) | 1983-06-23 |
| DE2950264C2 (US07923587-20110412-C00022.png) | 1987-08-27 |
| BR7908381A (pt) | 1980-09-02 |
| AU5331379A (en) | 1980-07-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |