CN1707105A - Apparatus and method for controlling operation of reciprocating compressor - Google Patents
Apparatus and method for controlling operation of reciprocating compressor Download PDFInfo
- Publication number
- CN1707105A CN1707105A CNA2004100883487A CN200410088348A CN1707105A CN 1707105 A CN1707105 A CN 1707105A CN A2004100883487 A CNA2004100883487 A CN A2004100883487A CN 200410088348 A CN200410088348 A CN 200410088348A CN 1707105 A CN1707105 A CN 1707105A
- Authority
- CN
- China
- Prior art keywords
- reciprocal compressor
- control
- stroke
- compressor
- energy saver
- 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.)
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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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
- F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
-
- 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
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
-
- 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
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
- F25B31/023—Compressor arrangements of motor-compressor units with compressor of reciprocating-piston 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
- 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
- F25B49/025—Motor control arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/032—Reciprocating, oscillating or vibrating motors
-
- 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
- F04B2203/00—Motor parameters
- F04B2203/04—Motor parameters of linear electric motors
- F04B2203/0401—Current
-
- 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
- F04B2203/00—Motor parameters
- F04B2203/04—Motor parameters of linear electric motors
- F04B2203/0402—Voltage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/12—Kind or type gaseous, i.e. compressible
-
- 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
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
Abstract
An apparatus and method for controlling an operation of a reciprocating compressor are disclosed. The apparatus for controlling an operation of a reciprocating compressor includes a microcomputer for outputting a control signal for controlling a stroke of a reciprocating compressor; and an electric circuit unit for selecting one of control paths of pre-set general mode and power-saving mode according to a control signal and controlling a stroke of the reciprocating compressor through the selected control path.
Description
Technical field
The present invention relates to a kind of reciprocal compressor, especially relate to a kind of device and method that is used to control operation of reciprocating compressor.
Background technique
Generally speaking, because piston linear and reciprocally motion in cylinder interior, reciprocal compressor is compressed in the refrigeration agent of cooling unit inner loop.How to be driven according to piston, reciprocal compressor roughly is divided into Reciprocatory and straight line type.
The Reciprocatory reciprocal compressor refers to the compressor that crankshaft links to each other with electric rotating machine and piston links to each other with crankshaft, and therefore by using the rotating force of electric rotating machine, piston can linear and reciprocally move.
The straight line type reciprocal compressor refers to piston and the direct-connected compressor of linear electric machine, thereby by using the linear motion of linear electric motor, can allow piston linear and reciprocally mobile.
The straight line type reciprocal compressor need not to be converted to rotatablely moving the crankshaft of linear motion.Therefore, because frictional loss is less relatively, compare with common compressor, the straight line type reciprocal compressor has the advantage of high compression efficiency.
In addition, the compression ratio of straight line type reciprocal compressor can be controlled by the voltage that control puts on motor, therefore can control the refrigerating capacity of cooling unit.
The device that is used to control operation of reciprocating compressor is described below with reference to Fig. 1.
Fig. 1 shows the structure of device that is used to control operation of reciprocating compressor according to conventional art.
As shown in Figure 1, the conventional equipment that is used to control operation of reciprocating compressor comprises: a voltage detector 30 is used to detect the voltage that puts on reciprocal compressor and exports detected voltage; A current probe 20 is used to detect the electric current that puts on reciprocal compressor and exports detected electric current; A microcomputer 40 is used for calculating the stroke estimated value according to detected voltage and current, stroke estimated value and the stroke reference value relatively calculated, and according to comparative result output control signal; And a circuit unit 10, be used for by change the stroke of reciprocal compressor according to the control signal control TRIAC (Tr1) of microcomputer 40.
Describe in detail according to conventional art below, be used to control the device of operation of reciprocating compressor.
At first, in reciprocal compressor 10A, corresponding to the voltage that applies according to default stroke reference value, piston is linear and reciprocally mobile.Therefore, owing to changed stroke, can control refrigerating capacity according to the stroke that changes.
Thereafter, by changing the ON/OFF cycle of circuit unit 10 TRIAC Tr1, microcomputer 40 is by the stroke of control signal control reciprocal compressor.
At length, when the stroke estimated value of calculating during less than stroke reference value, microcomputer 40 is exported the connection cycle of control signals with prolongation TRIAC Tr1, thereby increases the voltage that puts on reciprocal compressor 10A by TRIAC Tr1.When the stroke estimated value of calculating during greater than stroke reference value, microcomputer 40 is exported the connection cycle of control signals with shortening TRIAC Tr1, thereby reduces to put on the voltage of reciprocal compressor 10A by TRIAC Tr1.
Therefore, control the device of operation of reciprocating compressor in traditional being used for, the stroke of reciprocal compressor was controlled by the ON/OFF cycle that change inputs to TRIAC Tr1 control signal.
Yet, traditional the unfavorable of device that is used to control operation of reciprocating compressor is, owing to changed the ON/OFF cycle that inputs to the TRIAC control signal, thereby the conveyance loss that has produced TRIAC self, and because the harmonic loss that conveyance loss produces has reduced the operating efficiency of reciprocal compressor.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of apparatus and method that are used to control operation of reciprocating compressor, these apparatus and method are by selecting in default general modfel and the energy saver mode control access according to control signal, and control the stroke of reciprocal compressor, thereby can improve the operating efficiency of reciprocal compressor by the control access of selecting.
For realizing these purposes and other advantages and according to purpose of the present invention, here do to specialize and briefly describe, a kind of device that is used to control operation of reciprocating compressor is provided, comprises: a microcomputer is used to export the control signal that is used to control the reciprocal compressor stroke; And a circuit unit, be used for selecting default general modfel and of energy saver mode control access, and control the stroke of reciprocal compressor by the control access of selecting according to control signal.
For achieving the above object, also provide a kind of method that is used to control operation of reciprocating compressor here, comprising: drive reciprocal compressor in general modfel, thereby control stroke by the ON/OFF cycle of TRIAC; Determine whether reciprocal compressor can be driven at energy saver mode; And drive reciprocal compressor at energy saver mode according to the result who measures.
By below in conjunction with the accompanying drawing detailed description of the invention, other purpose aforementioned and of the present invention, characteristics, aspect and advantage will become more obvious.
Description of drawings
Accompanying drawing provides further to be understood a part of the present invention, incorporates and form the part of specification into, accompanying drawing embodiments of the invention are shown and with specification in order to illustrate principle of the present invention.
In the accompanying drawings:
Fig. 1 shows the structure of device that is used to control operation of reciprocating compressor according to conventional art;
Fig. 2 shows according to this structure that is used to control the device of operation of reciprocating compressor of the present invention;
Fig. 3 shows the flow chart that is used to control the operation of reciprocating compressor method according to of the present invention; And
Plotted curve shown in Figure 4 shows the operating efficiency according to the reciprocal compressor refrigerating capacity, and reciprocal compressor wherein uses the operations according to the instant invention control gear.
Embodiment
Be described a kind of like this device and method of controlling the operation of reciprocal compressor below with reference to the accompanying drawings according to the present invention, it is by the selection general modfel with according to one in the control access of the predefined energy saver mode of control signal, and the stroke by the control access control reciprocal compressor selected, can improve the operating efficiency of reciprocal compressor.
Fig. 2 shows according to this structure that is used to control the device of operation of reciprocating compressor of the present invention.
As shown in Figure 2, the device that is used to control operation of reciprocating compressor comprises: a voltage detector 30 is used to detect the voltage that puts on reciprocal compressor and exports detected voltage; A current probe 20 is used to detect the electric current that puts on reciprocal compressor and exports detected electric current; A microcomputer 40 is used for calculating the stroke estimated value according to detected voltage and current, stroke estimated value and the stroke reference value relatively calculated, and according to comparative result output control signal; And a circuit unit 10, be used for preestablishing of control access (controllingpath) according to what the control signal of microcomputer 40 was selected general modfel and energy saver mode.
In general modfel, the stroke of reciprocal compressor was controlled by the ON/OFF cycle of the TRIAC that control links to each other with main coil L1 in the reciprocal compressor.
Simultaneously, at energy saver mode, thereby maintain pre-measured load by the stroke that the secondary coil L2 of predetermined number winding and main coil L1 in the reciprocal compressor are connected reciprocal compressor.
Describe in detail according to the method that is used to control operation of reciprocating compressor of the present invention below.
Fig. 3 shows the flow chart that is used to control the method for operation of reciprocating compressor according to of the present invention.
As shown in Figure 3, the method that is used to control operation of reciprocating compressor comprises: drive reciprocal compressor in general modfel, thereby control the stroke (step S31) of reciprocal compressor by the ON/OFF cycle of TRIAC; Determine whether reciprocal compressor can drive (step S32) at energy saver mode; And drive reciprocal compressor at energy saver mode according to the result who measures.
Below will describe the method that is used to control operation of reciprocating compressor according to of the present invention in detail.
At first, for reciprocal compressor 10A, because stroke changes when piston is also reciprocally mobile corresponding to the voltage linear that applies according to stroke reference value, therefore can control refrigerating capacity according to the stroke that changes, wherein stroke reference value is by user predefined (step S31).
In other words, microcomputer 40 connects the control access of general modfel by switch element, and controls the ON/OFF cycle of TRIAC Tr1 on the control access that connects, thereby changes the stroke of reciprocal compressor 10A.Here, preferred relay R y1 is as switch element.
Just, when the variation of temperature in the cooling unit surpasses prespecified range or is higher than limiting temperature, microcomputer 40 is at the stroke of general modfel control reciprocal compressor, when the temperature variation in the cooling unit in default scope and when being lower than limiting temperature, microcomputer 40 is at energy saver mode control stroke (step S33) conversely.
According to according to the device that is used to control operation of reciprocating compressor of the present invention, reciprocal compressor can be driven under various states, described state refers to temperature, voltage or the electric current such as the load variations that can detect the device that uses this reciprocal compressor, and above-mentioned state can drive in general modfel and energy saver mode.
When selecting the control access of general modfel, microcomputer 40 calculates the stroke estimated value according to detected voltage and detected electric current, stroke estimated value and the stroke reference value calculated are compared, then, be used to control the control signal of reciprocal compressor 10A according to result's output relatively.
Thereafter, by changing the ON/OFF cycle of circuit unit 10 TRIAC Tr1, microcomputer 40 is by the stroke of control signal control reciprocal compressor.
Just, when the stroke estimated value of calculating during less than stroke reference value, microcomputer 40 is exported the connection cycle of control signals with prolongation TRIAC Tr1, thereby increases the voltage that puts on reciprocal compressor 10A by TRIAC Tr1.When the stroke estimated value of calculating during greater than stroke reference value, microcomputer 40 is exported the connection cycle of control signals with shortening TRIAC Tr1, thereby reduces to put on the voltage of reciprocal compressor 10A by TRIAC Tr1.
Be used for controlling the operation of reciprocating compressor device according to of the present invention, when the temperature in the cooling unit changed apace or be higher than default limiting temperature, reciprocal compressor was driven in general modfel by TRIAC Tr1.
Simultaneously, when the temperature in the cooling unit changes in prespecified range and is lower than limiting temperature, microcomputer 40 is selected the control access of energy saver mode by relay R y1, just, the secondary coil L2 of predetermined number winding is connected with main coil L1 in the reciprocal compressor 10A, therefore under the situation of not using TRIAC Tr1, the stroke of reciprocal compressor 10A is maintained predetermined value by main coil L1 and the secondary coil L2 that links to each other with main coil L1 in the reciprocal compressor 10A.
By this way, when the temperature of cooling unit changes in prespecified range and during less than limiting temperature, the device that is used to control operation of reciprocating compressor is controlled reciprocal compressor at energy saver mode, just, for example, very low or load change is very little or when ambient temperature is relatively low, use the cooling unit of reciprocal compressor to be driven with the power consumpiton of the best whereby when the frequency of utilization of cooling unit.
Below with reference to Fig. 4 describe when reciprocal compressor when energy saver mode is driven, according to the operating efficiency of the reciprocal compressor refrigerating capacity of this operating control device of employing.
Plotted curve shown in Figure 4 shows the operating efficiency according to the reciprocal compressor refrigerating capacity, wherein uses the operations according to the instant invention control gear.
As shown in Figure 4, at the energy saver mode of the reciprocal compressor that adopts the operations according to the instant invention control gear, during energy saver mode was driven, operating efficiency (A) was higher than the operating efficiency (B) at the reciprocal compressor of general modfel routine significantly.
As described in so far, the apparatus and method that are used to control operation of reciprocating compressor according to the present invention have the following advantages.
That is, for example, select in the control access of default general modfel and energy saver mode according to control signal, and control the stroke of reciprocal compressor, thereby improve the operating efficiency of reciprocal compressor by the control access of selecting.
Because the present invention can implement under the situation that does not break away from spirit of the present invention or essential feature in many ways, it will also be appreciated that above-mentioned embodiment is not limited by any details of aforementioned specification, unless it is dated especially, can in the defined spirit and scope of claims, very broadly explain, therefore belong to the border of claim and the institute in the scope and change and revise, therefore the equivalent structure of perhaps this border and scope also is contained in the appended claim.
Claims (13)
1. device that is used to control operation of reciprocating compressor comprises:
A microcomputer is used to export the control signal that is used to control the reciprocal compressor stroke; And
A circuit unit is used for selecting default general modfel and of energy saver mode control access according to control signal, and controls the stroke of reciprocal compressor by the control access of selecting.
2. device as claimed in claim 1, wherein circuit unit comprises a switch element, this switch element is used for connecting default general modfel and energy saver mode one selectively according to control signal.
3. device as claimed in claim 2, wherein this switch element is a relay.
4. device as claimed in claim 1 wherein surpasses prespecified range or during greater than limiting temperature, microcomputer output is used for driving in general modfel the control signal of reciprocal compressor when the cooling unit variation of temperature that adopts this reciprocal compressor.
5. device as claimed in claim 4, wherein, in general modfel, the ON/OFF cycle of the TRIAC of control connection changes the stroke of reciprocal compressor by TRIAC is connected also with the main coil of reciprocal compressor.
6. device as claimed in claim 4, wherein when the control access of general modfel was connected, microcomputer output was used to control the control signal in TRIAC ON/OFF cycle.
7. device as claimed in claim 1, wherein when the cooling unit variation of temperature that adopts this reciprocal compressor in prespecified range and when being lower than limiting temperature, microcomputer output is used for driving at energy saver mode the control signal of reciprocal compressor.
8. device as claimed in claim 7, wherein, at energy saver mode, the secondary coil of the predetermined value of reciprocal compressor stroke by will having the predetermined number winding is connected with main coil in the reciprocal compressor to be kept.
9. method that is used to control operation of reciprocating compressor comprises:
Drive reciprocal compressor in general modfel, thereby control stroke by the ON/OFF cycle of TRIAC;
Determine whether reciprocal compressor can be driven at energy saver mode; And
Drive reciprocal compressor according to the result who measures at energy saver mode.
10. method as claimed in claim 9, wherein, in determining step, when the temperature variation in the cooling unit that uses this reciprocal compressor surpassed prespecified range or is higher than limiting temperature, reciprocal compressor was driven under general modfel.
11. method as claimed in claim 10, wherein, in general modfel, the stroke of reciprocal compressor is by being connected TRIAC and the TRIAC of control connection changed in the ON/OFF cycle with main coil in the reciprocal compressor.
12. method as claimed in claim 9, wherein, in determining step, when the temperature variation in the cooling unit that uses this reciprocal compressor in prespecified range or when being lower than limiting temperature, reciprocal compressor is driven under energy saver mode.
13. method as claimed in claim 12, wherein, at energy saver mode, the stroke of reciprocal compressor maintains predetermined value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040043206A KR100608673B1 (en) | 2004-06-11 | 2004-06-11 | Driving control apparatus and method for reciprocating compressor |
| KR1020040043206 | 2004-06-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1707105A true CN1707105A (en) | 2005-12-14 |
| CN100510403C CN100510403C (en) | 2009-07-08 |
Family
ID=35501900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100883487A Expired - Fee Related CN100510403C (en) | 2004-06-11 | 2004-11-10 | Apparatus and method for controlling operation of reciprocating compressor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050287011A1 (en) |
| JP (1) | JP5031983B2 (en) |
| KR (1) | KR100608673B1 (en) |
| CN (1) | CN100510403C (en) |
| DE (1) | DE102004048802B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495935B (en) * | 2006-08-04 | 2011-08-10 | Lg电子株式会社 | Controlling apparatus for linear compressor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100494384B1 (en) * | 2002-09-03 | 2005-06-13 | 삼성전자주식회사 | Output control apparatus for linear compressor and control method thereof |
| KR100690674B1 (en) * | 2005-04-06 | 2007-03-09 | 엘지전자 주식회사 | Driving control apparatus for refrigerator in using two reciprocating compressor |
| DE102007060828A1 (en) | 2007-12-18 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Method and control device for controlling a compressor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2910966A1 (en) * | 1979-03-21 | 1980-10-02 | Bosch Gmbh Robert | COLD COMPRESSORS |
| US5014509A (en) * | 1989-12-27 | 1991-05-14 | Cummins Engine Company, Inc. | Diesel engine white smoke control system |
| KR0162454B1 (en) * | 1995-12-29 | 1999-03-20 | 구자홍 | Refrigerator control apparatus using a linear compressor |
| KR100285833B1 (en) * | 1998-02-19 | 2001-04-16 | 윤종용 | Air conditioner with metering function and method for controlling operation of air conditioner |
| KR100498302B1 (en) * | 2000-12-27 | 2005-07-01 | 엘지전자 주식회사 | Copacity variable motor for linear compressor |
| KR100432225B1 (en) * | 2002-05-02 | 2004-05-20 | 삼성전자주식회사 | Air conditioner and operation method thereof |
| KR100474330B1 (en) * | 2002-05-13 | 2005-03-08 | 엘지전자 주식회사 | Driving comtrol apparatus of reciprocating compressor for refrigerator |
| KR100494384B1 (en) * | 2002-09-03 | 2005-06-13 | 삼성전자주식회사 | Output control apparatus for linear compressor and control method thereof |
| KR100764795B1 (en) * | 2002-12-20 | 2007-10-11 | 엘지전자 주식회사 | Driving device and method of reciprocating compressor |
-
2004
- 2004-06-11 KR KR1020040043206A patent/KR100608673B1/en active IP Right Grant
- 2004-10-04 US US10/956,032 patent/US20050287011A1/en not_active Abandoned
- 2004-10-07 DE DE102004048802A patent/DE102004048802B4/en not_active Expired - Fee Related
- 2004-11-10 CN CNB2004100883487A patent/CN100510403C/en not_active Expired - Fee Related
- 2004-11-11 JP JP2004327309A patent/JP5031983B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495935B (en) * | 2006-08-04 | 2011-08-10 | Lg电子株式会社 | Controlling apparatus for linear compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004048802B4 (en) | 2013-08-14 |
| KR100608673B1 (en) | 2006-08-08 |
| US20050287011A1 (en) | 2005-12-29 |
| JP5031983B2 (en) | 2012-09-26 |
| JP2005351262A (en) | 2005-12-22 |
| CN100510403C (en) | 2009-07-08 |
| DE102004048802A1 (en) | 2006-01-12 |
| KR20050117932A (en) | 2005-12-15 |
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