FR2878045A1 - Vanne de detente et procede pour la commander - Google Patents
Vanne de detente et procede pour la commander Download PDFInfo
- Publication number
- FR2878045A1 FR2878045A1 FR0510366A FR0510366A FR2878045A1 FR 2878045 A1 FR2878045 A1 FR 2878045A1 FR 0510366 A FR0510366 A FR 0510366A FR 0510366 A FR0510366 A FR 0510366A FR 2878045 A1 FR2878045 A1 FR 2878045A1
- Authority
- FR
- France
- Prior art keywords
- valve
- opening
- pressure
- expansion valve
- closure
- Prior art date
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003507 refrigerant Substances 0.000 claims description 64
- 230000000670 limiting effect Effects 0.000 claims description 54
- 238000004378 air conditioning Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 24
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 20
- 238000010586 diagram Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 description 10
- 239000001569 carbon dioxide Substances 0.000 description 10
- 230000007423 decrease Effects 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000005654 stationary process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 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
- F25B41/325—Expansion valves having two or more valve members
-
- 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
- F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
-
- 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
-
- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
- F25B2341/063—Feed forward 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
- 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
-
- 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
- F25B2600/2505—Fixed-differential control valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Temperature-Responsive Valves (AREA)
- Air-Conditioning For Vehicles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004051538 | 2004-10-22 | ||
| DE102005003968A DE102005003968A1 (de) | 2004-10-22 | 2005-01-27 | Expansionsventil und Verfahren zu dessen Steuerung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2878045A1 true FR2878045A1 (fr) | 2006-05-19 |
Family
ID=36129069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0510366A Withdrawn FR2878045A1 (fr) | 2004-10-22 | 2005-10-11 | Vanne de detente et procede pour la commander |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7913502B2 (https=) |
| JP (1) | JP2006118855A (https=) |
| DE (1) | DE102005003968A1 (https=) |
| FR (1) | FR2878045A1 (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004010997B3 (de) * | 2004-03-03 | 2005-06-23 | Otto Egelhof Gmbh & Co. Kg | Expansionsventil und Verfahren zu dessen Steuerung |
| DE102006021327A1 (de) * | 2006-05-05 | 2007-11-08 | Otto Egelhof Gmbh & Co. Kg | Verfahren zur Steuerung eines Expansionsventils sowie Expansionsventil, insbesondere für mit CO2Kältemittel betriebene Fahrzeugklimaanlagen |
| WO2012072076A2 (en) * | 2010-11-30 | 2012-06-07 | Danfoss A/S | An expansion valve with variable opening degree |
| DE102013222578A1 (de) | 2013-11-06 | 2015-05-07 | MAHLE Behr GmbH & Co. KG | Expansionsventil |
| US9546807B2 (en) * | 2013-12-17 | 2017-01-17 | Lennox Industries Inc. | Managing high pressure events in air conditioners |
| US9657969B2 (en) | 2013-12-30 | 2017-05-23 | Rolls-Royce Corporation | Multi-evaporator trans-critical cooling systems |
| DE112016002623B4 (de) * | 2015-06-09 | 2019-12-24 | Denso Corporation | Druckreduzierventil |
| JP6817914B2 (ja) * | 2017-08-28 | 2021-01-20 | 株式会社鷺宮製作所 | 絞り装置および冷凍サイクルシステム |
| CN110068102B (zh) * | 2019-04-29 | 2021-01-29 | 宁波奥克斯电气股份有限公司 | 冷媒量控制方法 |
| DE102024209404A1 (de) * | 2024-09-27 | 2026-04-02 | Zf Friedrichshafen Ag | Durchflussregelventil für Kältekreisläufe mit Überdruckfunktion |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2993341A (en) * | 1958-02-03 | 1961-07-25 | Alwin B Newton | Hot gas refrigeration system |
| US3613391A (en) * | 1967-09-12 | 1971-10-19 | White Consolidated Ind Inc | Head pressure control system |
| DE10012714A1 (de) | 2000-03-16 | 2001-09-20 | Egelhof Fa Otto | Ventilanordnung einer Kälteanlage |
| DE10219667A1 (de) | 2002-05-02 | 2003-11-13 | Egelhof Fa Otto | Expansionsventil |
| JP2004142701A (ja) * | 2002-10-28 | 2004-05-20 | Zexel Valeo Climate Control Corp | 冷凍サイクル |
| DE102004010997B3 (de) * | 2004-03-03 | 2005-06-23 | Otto Egelhof Gmbh & Co. Kg | Expansionsventil und Verfahren zu dessen Steuerung |
-
2005
- 2005-01-27 DE DE102005003968A patent/DE102005003968A1/de not_active Withdrawn
- 2005-10-11 FR FR0510366A patent/FR2878045A1/fr not_active Withdrawn
- 2005-10-21 US US11/255,595 patent/US7913502B2/en not_active Expired - Fee Related
- 2005-10-24 JP JP2005308546A patent/JP2006118855A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20060086116A1 (en) | 2006-04-27 |
| DE102005003968A1 (de) | 2006-04-27 |
| JP2006118855A (ja) | 2006-05-11 |
| US7913502B2 (en) | 2011-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20100630 |