CN1690424B - Permanent low cost radio frequency compressor identification - Google Patents
Permanent low cost radio frequency compressor identification Download PDFInfo
- Publication number
- CN1690424B CN1690424B CN2005100652237A CN200510065223A CN1690424B CN 1690424 B CN1690424 B CN 1690424B CN 2005100652237 A CN2005100652237 A CN 2005100652237A CN 200510065223 A CN200510065223 A CN 200510065223A CN 1690424 B CN1690424 B CN 1690424B
- Authority
- CN
- China
- Prior art keywords
- compressor
- sealing
- information
- receiving machine
- transmitter
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/80—Diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/90—Remote control, e.g. wireless, via LAN, by radio, or by a wired connection from a central computer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
Abstract
A sealed compressor assembly has a compressor and a housing enclosing the compressor. The housing for the compressor has a receiver and a memory unit. The receiver receives a first signal, which is stored on a memory unit on the housing.
Description
Technical field
The present invention relates to a kind of equipment that is used for remotely storing and retrieve from the data of compressor.
Background technique
Refrigeration system is used a part of compressed refrigerant of compressor in the refrigeration cycle usually.Modern compressor generally is encapsulated in the housing of sealing, and described housing also holds the motor that is used for the driven pump unit.Motor can be driven by single-phase or three phase mains.
Compressor is operated under many extreme conditions.Thereby some compressors have suitable complicated operations part.In a kind of compressor of popular modern type, the pump unit comprises two spiral spools volumes (spiral scroll wrap), and they move relative to each other along track, so that compress captive refrigeration agent.The compressor of these spool types is popularized.
Compressor, for example scroll compressor generally is mass-produced.Though each compressor can be followed identical standard, they can change in the franchise of standard.Thereby, may be different from a production run to another production run compressor.In addition, each compressor can be transported to different places, and is used in different operating environments, thereby makes each compressor be subjected to different amounts and dissimilar wearing and tearing.In addition, each compressor has the unique service history of himself in each place.
The manufacturer finds that it is useful keeping the history of the specific compressor of tracking.This information for example can help the manufacturer to cause the root problem of fault from field failure identification.In the past, the manufacturer uses bar coded sticker to discern each compressor mutually.But, these labels only are used to discern a specific compressor.The database that the personnel of this compressor history of maintenance tracking this moment must visit an independent distant place is so that retrieval is an information specific to this compressor.This additional step may be time-consuming.Record will be useful about the manufacturing of particular compressor and the information of service history in the place of compressor.
The application's assignee has developed a kind of compressor diagnosing system about compressor self, and it follows the tracks of the data about compressor, and in the storage of this data storage on compressor.This system has disclosed in people's such as disclosed Hahn on the 18th June in 2002 U.S. Pat 6406265B1.
In above-mentioned system, data are that the sensor in compressor obtains and are stored in the microprocessor.Then, these data can sequentially be retrieved by an output socket, and this makes and can download to information in another computer for subsequent analysis by this socket.When relating to a large amount of compressors, this system that is used to store with retrieving information may be inconvenient, could obtain these information because must visit the socket of each compressor.
Thereby a kind of mode easily of needs is read and write the information about the particular compressor at scene.
Summary of the invention
The present invention includes a kind of compressor with housing.Compare with existing compressor, described housing has the receiving machine of the signal that is used to receive transmission, and described signal is stored in the storage unit on the housing then.A microprocessor is controlled described receiving machine and storage unit.Described microprocessor can be installed on the described housing.In this way, can remotely send information to the receiving machine of particular compressor.Then by compressor described data storage in storage unit.
In addition, compressor set of the present invention can have transmitter, and it is also by described microprocessor control.Described transmitter is used for being delivered in described storage unit canned data, thereby allows the described information of remote access.This feature allows in the compressor stored information, simultaneously at a distance from described compressor reading writing information.
Canned data can comprise manufacturing information on compressor, for example the build date of compressor and manufacturing location.In addition, the storage unit of compressor can be stored the information about the service history of compressor, for example the serviced date of compressor and the reason of service.All right storage environment information in the storage unit of compressor, for example weather conditions of compressor operating, and situation about manipulating.
These information can be passed to receiving machine, and by means of electrical signal for example radio signal send by described transmitter.Thereby the device with another receiving machine and another transmitter can be communicated by letter with the storage unit on the compressor.In this way, utilize a remote unit, for example a kind of hand-held device can be downloaded and retrieving information from the storage unit of compressor.This feature allows the storage unit of compressor reading writing information apace.
Description of drawings
For those skilled in the art, from current DETAILED DESCRIPTION OF THE PREFERRED given below, can clearly be seen that each feature and advantage of the present invention.Follow the accompanying drawing of described detailed description can brief description as follows:
Fig. 1 represents the compressor set of sealing of the present invention, comprises the compressor of storage label and sealing;
The storage label of Fig. 2 presentation graphs 1;
Fig. 3 represents portable remote unit, is used for and Fig. 1,2 storage label communication;
Fig. 4 is the flow chart of reading writing information from the storage label of Fig. 1 and Fig. 2;
Fig. 5 represents to be stored in the type about the information of compressor on the storage label of Fig. 1 and Fig. 2;
Fig. 6 is illustrated on the production line method to scroll compressor write information of the present invention shown in Figure 1; And
Fig. 7 represents the method to the scroll compressor write information of the present invention on tray.
Embodiment
Fig. 1 represents the sectional view of the compressor set 10 of sealing of the present invention.The same with existing seal compression machine, seal compression machine 10 of the present invention has housing 14, wherein accommodates compressor pump unit 30 and air compressor motor 34.Wherein compressor pump unit 30 is depicted as scroll compressor well known in the art.Compressor pump unit 30 is compressed dynamo-electric motivation 34 and drives.Compare with conventional device, seal compression machine 10 of the present invention has storage label 16.Storage label 16 can be communicated by letter with portable remote unit 62, so that read-write is about the information of compressor, as detailed below.
As shown in Figure 2, storage label 16 has first receiving machine 18, storage unit 22, compressor microprocessor 38 and first transmitter 42.Microprocessor 38 is used to control the information of being undertaken by first receiving machine 18 and receives and send by the information that first transmitter 42 carries out.Compressor microprocessor 38 can be on storage unit 22 with nonvolatile storage stored information for later retrieval.In addition, compressor microprocessor 38 can be from storage unit 22 retrieving information so that send by first transmitter 42.
Fig. 3 represents portable remote unit 62.Similar with storage label 16, portable remote unit 62 has second receiving machine, 66, the second transmitters 70, remote unit microprocessor 74, and remote unit storage 78.In addition, as shown in Figure 1, portable remote unit 62 also has the display device that is used to show information transmission and that receive, and input device 86, and for example keypad or keyboard are so that the information that allows input to be sent out.
As shown in Figure 1 and Figure 4, by the first signal S
1, by means of portable remote unit 62, can send to storage label 16 to information, described signal can be a radio signal.Storage label 16 receives the information that sends by first receiving machine 18.This information is handled and is stored on the storage unit 22 by compressor microprocessor 38.Subsequently, this information can be by portable remote unit 62 retrievals, and this remote unit 62 sends signal to storage label 16, to wake and to retrieve institute's canned data up from storage unit 22, to be used for by 42 transmissions of first transmitter.First transmitter 42 sends secondary signal S to portable remote unit 62
2, remote unit 62 has second receiving machine 66, is used to receive described information, and has remote unit microprocessor 74, is used to handle described information, so that be stored on the remote unit storage 78.The transmission of the information of carrying out from portable remote unit 62 is undertaken by second transmitter 70.In this way, can be from storage label 16 medium-long range ground reading writing informations.
Fig. 5 represent can be on storage label 16 type of canned data.This information can include but not limited to: manufacturing information 46, service information 50, environmental information 54, and operation or use information 58.Manufacturing information 46 can comprise the identification number of certain volume compressors unit, and build date is made batch and about the out of Memory of the manufacturing of compressor.In addition, service information 50 can be stored on the storage unit 22.This information can comprise the type of the service of being accepted by specific compressor unit, service date, and other service history of compressor.Environmental information 54 can comprise about the place of the use of compressor, the information of weather conditions, and other atmospheric conditions information.In addition, storage unit 22 can be stored the operation and the use information 58 of hour number relevant with the use of compressor, that comprise its operation and use.By this information of storage on storage label 16, can retrieve information quickly and easily in the place of compressor about the specific compression machine.In addition, the history of compressor unit can be stored on the storage unit 22.Thereby the present invention allows to write and read various information on compressor.
Fig. 6 and Fig. 7 represent how this aborning information is stored on the storage label 16.For example, Fig. 6 represents how identification number is stored on the compressor set 10 of sealing.As shown in Figure 6, the compressor set 10 of sealing is set on the production line, so that move to second transmitter 70 in the direction of arrow A.Second transmitter 70 sends the first signal S to the compressor set 90 of first sealing
1As shown in Figure 6, second transmitter 70 is set for the first signal S
1Only guide the compressor set 90 of first sealing into.The compressor set 90 of the compressor set 94 of second sealing and first sealing is spaced apart, so that as the compressor set 90 transmissions first signal S to first sealing
1The time, the compressor set of second sealing can not receive described signal.In this way, the compressor set 90 of first sealing can receive the identification number different with the compressor set 94 of second sealing.
Fig. 7 explanation is used for identical information is downloaded to the technology of the compressor set unit of one group of sealing.As shown in the figure, second transmitter 70 is set for the compressor set 10 transmissions first signal S to one group of sealing
1Wherein, the first signal S
1Enough strong, and the compressor set 10 of sealing is enough near, so that receive the first signal S simultaneously
1In this way, a large amount of unit can receive identical information, to be used to be stored in storage label 16.In addition, can be removed from tray 98 for one child group of the compressor set 10 of sealing, so that the compressor set of remaining sealing 10 can receive and the different information of described son group of removing from tray 98.
Above-mentioned explanation is exemplary and not restrictive.According to top instruction, many changes of the present invention and remodeling are possible.The preferred embodiments of the present invention have been disclosed.But, it should be understood by one skilled in the art that within the scope of the invention and can carry out some change.Thereby, within the scope of the appended claims, can utilize the mode outside the described mode to implement the present invention.For this reason, should study following claim, so that determine scope of the present invention and content.
Claims (19)
1. the compressor set of a sealing comprises:
Comprise that compressor pump unit and being used to drives the compressor of the motor of described compressor pump unit;
Be used to encapsulate the housing of described compressor pump unit;
Be used to receive the receiving machine of first radio signal; And
With the storage unit that described receiving machine is communicated by letter, described storage unit is used to store the information relevant with described compressor, and described receiving machine and described storage unit are installed on the described compressor.
2. the compressor set of sealing as claimed in claim 1 comprises the microprocessor of communicating by letter with described receiving machine and described storage unit.
3. the compressor set of sealing as claimed in claim 2 comprises and the transmitter of described microprocessor communication that described transmitter is used to send second radio signal.
4. the compressor set of sealing as claimed in claim 1, wherein, the information that described and described compressor is relevant comprises the information relevant with the manufacturing of described compressor.
5. the compressor set of sealing as claimed in claim 1, wherein, the relevant information of described and described compressor comprises the information relevant with the service of described compressor.
6. the compressor set of sealing as claimed in claim 1, wherein, the relevant information of described and described compressor comprises the information with the environmental correclation of described compressor.
7. the compressor set of sealing as claimed in claim 1, wherein, the relevant information of described and described compressor comprises the information relevant with the use of described compressor.
8. the compressor set of sealing as claimed in claim 1, wherein, described first radio signal is an electrical signal.
9. the compressor set of sealing as claimed in claim 1, wherein, described receiving machine and described storage unit are installed on the described housing.
10. the compressor assembly of a sealing comprises:
Comprise that compressor pump unit and being used to drives the compressor of the motor of described compressor pump unit;
Encapsulate the housing of described compressor pump unit;
Be used to receive first receiving machine of first radio signal;
Be used to send first transmitter of second radio signal;
Compressor microprocessor with described first receiving machine and described first transmitter communications;
With the storage unit that described first receiving machine, described first transmitter and described compressor microprocessor are communicated by letter, described storage unit is used to store the information relevant with described compressor; And
Wherein, described first receiving machine, described first transmitter, described storage unit and described compressor microprocessor are installed on the described compressor.
11. the compressor assembly of sealing as claimed in claim 10, wherein, the relevant information of described and described compressor comprises the information relevant with the manufacturing of described compressor.
12. the compressor assembly of sealing as claimed in claim 10, wherein, the relevant information of described and described compressor comprises the information relevant with the service of described compressor.
13. the compressor assembly of sealing as claimed in claim 10, wherein, the relevant information of described and described compressor comprises the information with the environmental correclation of described compressor.
14. the compressor assembly of sealing as claimed in claim 10, wherein, the relevant information of described and described compressor comprises the information relevant with the use of described compressor.
15. the compressor assembly of sealing as claimed in claim 10, wherein, described receiving machine and described storage unit are installed on the described housing.
16. the compressor assembly of sealing as claimed in claim 10 comprises second receiving machine and second transmitter, described second receiving machine and described second transmitter are used for carrying out telecommunication with described first receiving machine and described first transmitter.
17. the compressor assembly of sealing as claimed in claim 16, wherein, described second transmitter and described second receiving machine form the part of portable remote unit.
18. the compressor assembly of sealing as claimed in claim 17, wherein, described portable remote unit comprises the remote unit microprocessor of communicating by letter with described second transmitter and described second receiving machine.
19. a method of making compressor may further comprise the steps:
Receiving machine is installed on compressor set;
On described compressor set, transmitter is installed;
On described compressor set, storage unit is installed; And
Place described receiving machine and described transmitter make they can with described storage unit radio communication.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/827,466 | 2004-04-19 | ||
| US10/827,466 US20050232781A1 (en) | 2004-04-19 | 2004-04-19 | Permanent low cost radio frequency compressor identification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690424A CN1690424A (en) | 2005-11-02 |
| CN1690424B true CN1690424B (en) | 2010-07-07 |
Family
ID=34634680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100652237A Expired - Fee Related CN1690424B (en) | 2004-04-19 | 2005-04-14 | Permanent low cost radio frequency compressor identification |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20050232781A1 (en) |
| CN (1) | CN1690424B (en) |
| BE (1) | BE1016750A3 (en) |
| GB (1) | GB2413365B (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7412842B2 (en) | 2004-04-27 | 2008-08-19 | Emerson Climate Technologies, Inc. | Compressor diagnostic and protection system |
| US7275377B2 (en) | 2004-08-11 | 2007-10-02 | Lawrence Kates | Method and apparatus for monitoring refrigerant-cycle systems |
| US8036853B2 (en) * | 2005-04-26 | 2011-10-11 | Emerson Climate Technologies, Inc. | Compressor memory system and method |
| US8590325B2 (en) | 2006-07-19 | 2013-11-26 | Emerson Climate Technologies, Inc. | Protection and diagnostic module for a refrigeration system |
| US20080216494A1 (en) | 2006-09-07 | 2008-09-11 | Pham Hung M | Compressor data module |
| DE102007016385A1 (en) * | 2007-04-03 | 2008-10-09 | Knf Neuberger Gmbh | pumping |
| US20090037142A1 (en) | 2007-07-30 | 2009-02-05 | Lawrence Kates | Portable method and apparatus for monitoring refrigerant-cycle systems |
| US8393169B2 (en) | 2007-09-19 | 2013-03-12 | Emerson Climate Technologies, Inc. | Refrigeration monitoring system and method |
| US9140728B2 (en) | 2007-11-02 | 2015-09-22 | Emerson Climate Technologies, Inc. | Compressor sensor module |
| US8160827B2 (en) | 2007-11-02 | 2012-04-17 | Emerson Climate Technologies, Inc. | Compressor sensor module |
| CA2934860C (en) | 2011-02-28 | 2018-07-31 | Emerson Electric Co. | Residential solutions hvac monitoring and diagnosis |
| US8964338B2 (en) | 2012-01-11 | 2015-02-24 | Emerson Climate Technologies, Inc. | System and method for compressor motor protection |
| US9480177B2 (en) | 2012-07-27 | 2016-10-25 | Emerson Climate Technologies, Inc. | Compressor protection module |
| US9310439B2 (en) | 2012-09-25 | 2016-04-12 | Emerson Climate Technologies, Inc. | Compressor having a control and diagnostic module |
| US9551504B2 (en) | 2013-03-15 | 2017-01-24 | Emerson Electric Co. | HVAC system remote monitoring and diagnosis |
| US9803902B2 (en) | 2013-03-15 | 2017-10-31 | Emerson Climate Technologies, Inc. | System for refrigerant charge verification using two condenser coil temperatures |
| CA2904734C (en) | 2013-03-15 | 2018-01-02 | Emerson Electric Co. | Hvac system remote monitoring and diagnosis |
| US9765979B2 (en) | 2013-04-05 | 2017-09-19 | Emerson Climate Technologies, Inc. | Heat-pump system with refrigerant charge diagnostics |
| TWI624596B (en) * | 2017-03-15 | 2018-05-21 | 亞台富士精機股份有限公司 | Pump apparatus with remote monitoring function and pump apparatus monitoring system |
| CN106870343A (en) * | 2017-03-31 | 2017-06-20 | 四川长虹电器股份有限公司 | A kind of unitized motor drives matching process |
| CN113285568A (en) * | 2020-01-31 | 2021-08-20 | 翰昂汽车零部件有限公司 | Electric compressor and method for managing manufacturing information of electric compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697061A (en) * | 1993-09-22 | 1997-12-09 | Seattle Silicon Corporation | Method and apparatus for providing information concerning products, using radio frequency transmissions |
| US20020018724A1 (en) * | 2000-02-29 | 2002-02-14 | Millet Hank E. | Compressor with control and protection system |
| US6406265B1 (en) * | 2000-04-21 | 2002-06-18 | Scroll Technologies | Compressor diagnostic and recording system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5713724A (en) * | 1994-11-23 | 1998-02-03 | Coltec Industries Inc. | System and methods for controlling rotary screw compressors |
| DE19633602A1 (en) * | 1996-08-21 | 1998-02-26 | Ghh Borsig Turbomaschinen Gmbh | Process for remote-controlled commissioning of machine systems, especially compressors and turbines |
| US6626436B2 (en) * | 1997-08-20 | 2003-09-30 | Crane John Inc | Monitoring seal system |
| US6179214B1 (en) * | 1999-07-21 | 2001-01-30 | Carrier Corporation | Portable plug-in control module for use with the service modules of HVAC systems |
-
2004
- 2004-04-19 US US10/827,466 patent/US20050232781A1/en not_active Abandoned
-
2005
- 2005-04-12 BE BE2005/0190A patent/BE1016750A3/en not_active IP Right Cessation
- 2005-04-14 CN CN2005100652237A patent/CN1690424B/en not_active Expired - Fee Related
- 2005-04-18 GB GB0507727A patent/GB2413365B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697061A (en) * | 1993-09-22 | 1997-12-09 | Seattle Silicon Corporation | Method and apparatus for providing information concerning products, using radio frequency transmissions |
| US20020018724A1 (en) * | 2000-02-29 | 2002-02-14 | Millet Hank E. | Compressor with control and protection system |
| US6406265B1 (en) * | 2000-04-21 | 2002-06-18 | Scroll Technologies | Compressor diagnostic and recording system |
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| 同上. |
| 杨兵，叶德福.LON网络控制技术及应用 1999-4.西安电子科技大学出版社,1999,16-24. |
| 杨兵,叶德福.LON网络控制技术及应用 1999-4.西安电子科技大学出版社,1999,16-24. * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0507727D0 (en) | 2005-05-25 |
| GB2413365A (en) | 2005-10-26 |
| CN1690424A (en) | 2005-11-02 |
| BE1016750A3 (en) | 2007-06-05 |
| GB2413365B (en) | 2008-11-05 |
| US20050232781A1 (en) | 2005-10-20 |
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