IT1221938B - Sistema automatico di controllo anti sovrapressione momentanea per compressori contrifughi doppi - Google Patents
Sistema automatico di controllo anti sovrapressione momentanea per compressori contrifughi doppiInfo
- Publication number
- IT1221938B IT1221938B IT21161/87A IT2116187A IT1221938B IT 1221938 B IT1221938 B IT 1221938B IT 21161/87 A IT21161/87 A IT 21161/87A IT 2116187 A IT2116187 A IT 2116187A IT 1221938 B IT1221938 B IT 1221938B
- Authority
- IT
- Italy
- Prior art keywords
- compressors
- control system
- double melting
- overpressure control
- automatic
- Prior art date
Links
- 230000008018 melting Effects 0.000 title 1
- 238000002844 melting Methods 0.000 title 1
Classifications
-
- 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
-
- 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
- F04D27/0253—Surge control by throttling
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/053—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type
-
- 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
- F25B49/022—Compressor control arrangements
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/881,426 US4646530A (en) | 1986-07-02 | 1986-07-02 | Automatic anti-surge control for dual centrifugal compressor system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8721161A0 IT8721161A0 (it) | 1987-07-02 |
IT1221938B true IT1221938B (it) | 1990-08-31 |
Family
ID=25378459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21161/87A IT1221938B (it) | 1986-07-02 | 1987-07-02 | Sistema automatico di controllo anti sovrapressione momentanea per compressori contrifughi doppi |
Country Status (5)
Country | Link |
---|---|
US (1) | US4646530A (it) |
JP (1) | JPS6325458A (it) |
KR (1) | KR900003719B1 (it) |
CA (1) | CA1264364A (it) |
IT (1) | IT1221938B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5195329A (en) * | 1991-11-12 | 1993-03-23 | Carrier Corporation | Automatic chiller plant balancing |
US5222370A (en) * | 1992-01-17 | 1993-06-29 | Carrier Corporation | Automatic chiller stopping sequence |
US5362203A (en) * | 1993-11-01 | 1994-11-08 | Lamson Corporation | Multiple stage centrifugal compressor |
US5520507A (en) * | 1994-05-06 | 1996-05-28 | Ingersoll-Rand Company | Method and apparatus to achieve passive damping of flow disturbances in a centrifugal compressor to control compressor surge |
US5704218A (en) * | 1996-04-08 | 1998-01-06 | United Technologies Corporation | Integrated environmental control system |
US5746062A (en) * | 1996-04-11 | 1998-05-05 | York International Corporation | Methods and apparatuses for detecting surge in centrifugal compressors |
US5894739A (en) * | 1997-07-10 | 1999-04-20 | York International Corporation | Compound refrigeration system for water chilling and thermal storage |
US5875637A (en) * | 1997-07-25 | 1999-03-02 | York International Corporation | Method and apparatus for applying dual centrifugal compressors to a refrigeration chiller unit |
US6601397B2 (en) * | 2001-03-16 | 2003-08-05 | Copeland Corporation | Digital scroll condensing unit controller |
CA2492465C (en) * | 2002-08-06 | 2008-09-30 | York International Corporation | Stability control system and method for centrifugal compressors operating in parallel |
US6910349B2 (en) | 2002-08-06 | 2005-06-28 | York International Corporation | Suction connection for dual centrifugal compressor refrigeration systems |
US7342756B2 (en) * | 2002-08-23 | 2008-03-11 | Carrier Corporation | Fault recognition in systems with multiple circuits |
US6826917B1 (en) * | 2003-08-01 | 2004-12-07 | York International Corporation | Initial pull down control for a multiple compressor refrigeration system |
JP4727142B2 (ja) * | 2003-12-18 | 2011-07-20 | 三菱重工業株式会社 | ターボ冷凍機およびその圧縮機ならびにその制御方法 |
AU2005266792A1 (en) * | 2004-07-27 | 2006-02-02 | Turbocor Inc. | Dynamically controlled compressors |
US20070187086A1 (en) * | 2006-02-14 | 2007-08-16 | Anatoly Nikolayevich Ivanov | Device for cutting slot-shaped seats in wells by hydro-sandblasting method |
US8192171B2 (en) * | 2009-01-15 | 2012-06-05 | Ingersoll-Rand Company | Compressor system |
JP5308214B2 (ja) * | 2009-03-31 | 2013-10-09 | 三菱重工業株式会社 | ターボ冷凍機およびその制御方法 |
WO2010117868A2 (en) * | 2009-04-09 | 2010-10-14 | Carrier Corporation | Dual duty compression machine |
WO2011049891A1 (en) | 2009-10-21 | 2011-04-28 | Carrier Corporation | Centrifugal compressor part load control algorithm for improved performance |
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 |
US10539353B2 (en) * | 2013-03-15 | 2020-01-21 | Daikin Applied Americas Inc. | Refrigerating apparatus and control device for refrigerating machine |
KR101806920B1 (ko) * | 2013-04-19 | 2018-01-10 | 한화파워시스템 주식회사 | 압축기 시스템 및 압축기 시스템의 제어방법 |
JP7080801B2 (ja) * | 2018-11-14 | 2022-06-06 | 荏原冷熱システム株式会社 | ターボ冷凍機 |
JP7071601B1 (ja) * | 2022-02-04 | 2022-05-19 | 大陽日酸株式会社 | 冷凍機の制御方法、冷凍機の制御プログラム及び冷凍機 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS507306A (it) * | 1973-05-22 | 1975-01-25 | ||
US4152902A (en) * | 1976-01-26 | 1979-05-08 | Lush Lawrence E | Control for refrigeration compressors |
US4282718A (en) * | 1979-09-12 | 1981-08-11 | Borg-Warner Corporation | Evaporator inlet water temperature control system |
US4487028A (en) * | 1983-09-22 | 1984-12-11 | The Trane Company | Control for a variable capacity temperature conditioning system |
US4581900A (en) * | 1984-12-24 | 1986-04-15 | Borg-Warner Corporation | Method and apparatus for detecting surge in centrifugal compressors driven by electric motors |
-
1986
- 1986-07-02 US US06/881,426 patent/US4646530A/en not_active Expired - Lifetime
-
1987
- 1987-05-26 CA CA000537974A patent/CA1264364A/en not_active Expired - Lifetime
- 1987-07-01 KR KR1019870006795A patent/KR900003719B1/ko not_active IP Right Cessation
- 1987-07-01 JP JP62165128A patent/JPS6325458A/ja active Granted
- 1987-07-02 IT IT21161/87A patent/IT1221938B/it active
Also Published As
Publication number | Publication date |
---|---|
KR880001932A (ko) | 1988-04-27 |
US4646530A (en) | 1987-03-03 |
CA1264364A (en) | 1990-01-09 |
KR900003719B1 (ko) | 1990-05-30 |
JPH0567864B2 (it) | 1993-09-27 |
IT8721161A0 (it) | 1987-07-02 |
JPS6325458A (ja) | 1988-02-02 |
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