EP1946021A4 - Remote diagnostics and prognostics for refrigerant systems - Google Patents
Remote diagnostics and prognostics for refrigerant systemsInfo
- Publication number
- EP1946021A4 EP1946021A4 EP05808845A EP05808845A EP1946021A4 EP 1946021 A4 EP1946021 A4 EP 1946021A4 EP 05808845 A EP05808845 A EP 05808845A EP 05808845 A EP05808845 A EP 05808845A EP 1946021 A4 EP1946021 A4 EP 1946021A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- prognostics
- remote diagnostics
- refrigerant systems
- refrigerant
- systems
- 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- Withdrawn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
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
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction 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
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
-
- 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
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
-
- 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)
- Air Conditioning Control Device (AREA)
- Testing And Monitoring For Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2005/037336 WO2007046791A1 (en) | 2005-10-18 | 2005-10-18 | Remote diagnostics and prognostics for refrigerant systems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1946021A1 EP1946021A1 (en) | 2008-07-23 |
EP1946021A4 true EP1946021A4 (en) | 2012-07-11 |
Family
ID=37962787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05808845A Withdrawn EP1946021A4 (en) | 2005-10-18 | 2005-10-18 | Remote diagnostics and prognostics for refrigerant systems |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090120111A1 (en) |
EP (1) | EP1946021A4 (en) |
CN (1) | CN101326415B (en) |
HK (1) | HK1127516A1 (en) |
WO (1) | WO2007046791A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101910750A (en) * | 2008-01-17 | 2010-12-08 | 开利公司 | Capacity modulation of refrigerant vapor compression system |
US20100204838A1 (en) | 2009-02-12 | 2010-08-12 | Liebert Corporation | Energy efficient air conditioning system and method utilizing variable capacity compressor and sensible heat ratio load matching |
WO2012118550A1 (en) | 2011-03-02 | 2012-09-07 | Carrier Corporation | Spm fault detection and diagnostics algorithm |
US9175872B2 (en) | 2011-10-06 | 2015-11-03 | Lennox Industries Inc. | ERV global pressure demand control ventilation mode |
US9404668B2 (en) | 2011-10-06 | 2016-08-02 | Lennox Industries Inc. | Detecting and correcting enthalpy wheel failure modes |
US9441843B2 (en) | 2011-10-17 | 2016-09-13 | Lennox Industries Inc. | Transition module for an energy recovery ventilator unit |
US9835353B2 (en) | 2011-10-17 | 2017-12-05 | Lennox Industries Inc. | Energy recovery ventilator unit with offset and overlapping enthalpy wheels |
US9395097B2 (en) | 2011-10-17 | 2016-07-19 | Lennox Industries Inc. | Layout for an energy recovery ventilator system |
US9671122B2 (en) | 2011-12-14 | 2017-06-06 | Lennox Industries Inc. | Controller employing feedback data for a multi-strike method of operating an HVAC system and monitoring components thereof and an HVAC system employing the controller |
JP2018080861A (en) * | 2016-11-15 | 2018-05-24 | 富士電機株式会社 | Refrigerant circuit device |
WO2023220788A1 (en) * | 2022-05-20 | 2023-11-23 | Hussmann Australia Pty Ltd | Refrigeration network monitoring system and device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010003906A1 (en) * | 1999-12-15 | 2001-06-21 | Roh Young Hoon | Air conditioner for multiple room |
US20050086951A1 (en) * | 2003-10-28 | 2005-04-28 | Dobmeier Thomas J. | Expansion device with low refrigerant charge monitoring |
US6892546B2 (en) * | 2001-05-03 | 2005-05-17 | Emerson Retail Services, Inc. | System for remote refrigeration monitoring and diagnostics |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3230845B2 (en) * | 1992-07-10 | 2001-11-19 | 東芝キヤリア株式会社 | Multi-type air conditioner |
US6385510B1 (en) * | 1997-12-03 | 2002-05-07 | Klaus D. Hoog | HVAC remote monitoring system |
US6437691B1 (en) * | 1999-01-09 | 2002-08-20 | Heat-Timer Corporation | Electronic message delivery system utilizable in the monitoring of remote equipment and method of same |
JP2001280674A (en) * | 2000-03-29 | 2001-10-10 | Sanyo Electric Co Ltd | Remote control system for air conditioners |
US6647317B2 (en) * | 2000-09-06 | 2003-11-11 | Hitachi Ltd | Air conditioner management system |
US6955302B2 (en) * | 2003-11-13 | 2005-10-18 | York International Corporation | Remote monitoring diagnostics |
KR100529952B1 (en) * | 2004-03-22 | 2005-11-22 | 엘지전자 주식회사 | Multi air conditioner's central control system and its operating method |
US7412842B2 (en) * | 2004-04-27 | 2008-08-19 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system |
-
2005
- 2005-10-18 CN CN2005800522941A patent/CN101326415B/en not_active Expired - Fee Related
- 2005-10-18 EP EP05808845A patent/EP1946021A4/en not_active Withdrawn
- 2005-10-18 US US12/083,790 patent/US20090120111A1/en not_active Abandoned
- 2005-10-18 WO PCT/US2005/037336 patent/WO2007046791A1/en active Application Filing
-
2009
- 2009-06-10 HK HK09105222.0A patent/HK1127516A1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010003906A1 (en) * | 1999-12-15 | 2001-06-21 | Roh Young Hoon | Air conditioner for multiple room |
US6892546B2 (en) * | 2001-05-03 | 2005-05-17 | Emerson Retail Services, Inc. | System for remote refrigeration monitoring and diagnostics |
US20050086951A1 (en) * | 2003-10-28 | 2005-04-28 | Dobmeier Thomas J. | Expansion device with low refrigerant charge monitoring |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007046791A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1946021A1 (en) | 2008-07-23 |
US20090120111A1 (en) | 2009-05-14 |
HK1127516A1 (en) | 2009-09-25 |
CN101326415B (en) | 2010-06-16 |
WO2007046791A1 (en) | 2007-04-26 |
CN101326415A (en) | 2008-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080428 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20120611 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F25B 49/00 20060101AFI20120604BHEP |
|
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20130109 |