HK1100452A1 - System and method for pressure regulation in a transcritical refrigerant cycle - Google Patents
System and method for pressure regulation in a transcritical refrigerant cycleInfo
- Publication number
- HK1100452A1 HK1100452A1 HK07108296.7A HK07108296A HK1100452A1 HK 1100452 A1 HK1100452 A1 HK 1100452A1 HK 07108296 A HK07108296 A HK 07108296A HK 1100452 A1 HK1100452 A1 HK 1100452A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- discharge pressure
- optimum
- compressor discharge
- pressure
- refrigerant cycle
- Prior art date
Links
- 239000003507 refrigerant Substances 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- 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
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
-
- 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
- F25B2600/00—Control issues
- F25B2600/17—Control issues by controlling the pressure of the condenser
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- 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
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- 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
- F25B2700/2106—Temperatures of fresh outdoor air
-
- 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
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Air Conditioning Control Device (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Other Air-Conditioning Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/793,489 US7389648B2 (en) | 2004-03-04 | 2004-03-04 | Pressure regulation in a transcritical refrigerant cycle |
PCT/US2005/007175 WO2005088213A1 (en) | 2004-03-04 | 2005-03-02 | Pressure regulation in a transcritical refrigerant cycle |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1100452A1 true HK1100452A1 (en) | 2007-09-21 |
Family
ID=34912063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK07108296.7A HK1100452A1 (en) | 2004-03-04 | 2007-07-30 | System and method for pressure regulation in a transcritical refrigerant cycle |
Country Status (9)
Country | Link |
---|---|
US (1) | US7389648B2 (xx) |
EP (1) | EP1725817B1 (xx) |
JP (1) | JP2007526437A (xx) |
CN (1) | CN1926391B (xx) |
AT (1) | ATE498101T1 (xx) |
DE (1) | DE602005026262D1 (xx) |
DK (1) | DK1725817T3 (xx) |
HK (1) | HK1100452A1 (xx) |
WO (1) | WO2005088213A1 (xx) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5029326B2 (ja) * | 2007-11-30 | 2012-09-19 | ダイキン工業株式会社 | 冷凍装置 |
US8385729B2 (en) | 2009-09-08 | 2013-02-26 | Rheem Manufacturing Company | Heat pump water heater and associated control system |
WO2013101701A1 (en) | 2011-12-28 | 2013-07-04 | Carrier Corporation | Discharge pressure calculation from torque in an hvac system |
WO2014031559A1 (en) | 2012-08-24 | 2014-02-27 | Carrier Corporation | Transcritical refrigerant vapor compression system high side pressure control |
EP3023712A1 (en) * | 2014-11-19 | 2016-05-25 | Danfoss A/S | A method for controlling a vapour compression system with a receiver |
CA2993328A1 (en) | 2015-08-14 | 2017-02-23 | Danfoss A/S | A vapour compression system with at least two evaporator groups |
ES2749161T3 (es) * | 2015-10-20 | 2020-03-19 | Danfoss As | Un procedimiento de control de un sistema de compresión de vapor en modo eyector durante un tiempo prolongado |
CA2997662A1 (en) | 2015-10-20 | 2017-04-27 | Danfoss A/S | A method for controlling a vapour compression system in a flooded state |
WO2017067858A1 (en) | 2015-10-20 | 2017-04-27 | Danfoss A/S | A method for controlling a vapour compression system with a variable receiver pressure setpoint |
CN105509377A (zh) * | 2015-12-22 | 2016-04-20 | 珠海格力电器股份有限公司 | 跨临界co2循环***、热泵热水器和除霜方法 |
CN108444127B (zh) * | 2018-04-12 | 2019-05-24 | 西安交通大学 | 跨临界co2热泵***最优性能下回热器的控制方法 |
PL3628942T3 (pl) | 2018-09-25 | 2021-10-04 | Danfoss A/S | Sposób sterowania układem sprężania pary przy zmniejszonym ciśnieniu ssania |
PL3628940T3 (pl) | 2018-09-25 | 2022-08-22 | Danfoss A/S | Sposób sterowania systemem sprężania pary na podstawie szacowanego przepływu |
DK180146B1 (en) | 2018-10-15 | 2020-06-25 | Danfoss As Intellectual Property | Heat exchanger plate with strenghened diagonal area |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5052187A (en) * | 1989-07-21 | 1991-10-01 | Robinson Jr Glen P | Water flow control for heat pump water heaters |
US4991770A (en) * | 1990-03-27 | 1991-02-12 | Honeywell Inc. | Thermostat with means for disabling PID control |
US5568377A (en) | 1992-10-29 | 1996-10-22 | Johnson Service Company | Fast automatic tuning of a feedback controller |
US6264111B1 (en) | 1993-06-16 | 2001-07-24 | Siemens Building Technologies, Inc. | Proportional-integral-derivative controller having adaptive control capability |
US5735134A (en) | 1996-05-30 | 1998-04-07 | Massachusetts Institute Of Technology | Set point optimization in vapor compression cycles |
US6253113B1 (en) | 1998-08-20 | 2001-06-26 | Honeywell International Inc | Controllers that determine optimal tuning parameters for use in process control systems and methods of operating the same |
JP3227651B2 (ja) * | 1998-11-18 | 2001-11-12 | 株式会社デンソー | 給湯器 |
JP3737381B2 (ja) * | 2000-06-05 | 2006-01-18 | 株式会社デンソー | 給湯装置 |
JP4059616B2 (ja) * | 2000-06-28 | 2008-03-12 | 株式会社デンソー | ヒートポンプ式温水器 |
JP3555609B2 (ja) * | 2001-11-30 | 2004-08-18 | オムロン株式会社 | 制御装置、温度調節器および熱処理装置 |
-
2004
- 2004-03-04 US US10/793,489 patent/US7389648B2/en not_active Expired - Fee Related
-
2005
- 2005-03-02 WO PCT/US2005/007175 patent/WO2005088213A1/en active Application Filing
- 2005-03-02 AT AT05724677T patent/ATE498101T1/de not_active IP Right Cessation
- 2005-03-02 EP EP05724677A patent/EP1725817B1/en not_active Not-in-force
- 2005-03-02 DK DK05724677.9T patent/DK1725817T3/da active
- 2005-03-02 DE DE602005026262T patent/DE602005026262D1/de active Active
- 2005-03-02 CN CN2005800065999A patent/CN1926391B/zh not_active Expired - Fee Related
- 2005-03-02 JP JP2007502037A patent/JP2007526437A/ja active Pending
-
2007
- 2007-07-30 HK HK07108296.7A patent/HK1100452A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2007526437A (ja) | 2007-09-13 |
EP1725817B1 (en) | 2011-02-09 |
CN1926391B (zh) | 2011-09-14 |
DE602005026262D1 (de) | 2011-03-24 |
CN1926391A (zh) | 2007-03-07 |
ATE498101T1 (de) | 2011-02-15 |
US7389648B2 (en) | 2008-06-24 |
DK1725817T3 (da) | 2011-05-30 |
US20050193753A1 (en) | 2005-09-08 |
WO2005088213A1 (en) | 2005-09-22 |
EP1725817A1 (en) | 2006-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20160302 |