CN102032184B - Flow-variable horizontal vortex refrigeration compressor - Google Patents
Flow-variable horizontal vortex refrigeration compressor Download PDFInfo
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- CN102032184B CN102032184B CN 201110001518 CN201110001518A CN102032184B CN 102032184 B CN102032184 B CN 102032184B CN 201110001518 CN201110001518 CN 201110001518 CN 201110001518 A CN201110001518 A CN 201110001518A CN 102032184 B CN102032184 B CN 102032184B
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- end cap
- bypass
- scroll
- fixed scroll
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Abstract
The invention discloses a flow-variable horizontal vortex refrigeration compressor, which can realize energy saving and environmental protection by changing the flow of an output refrigerant gas. A fixed scroll is provided with a bypass port communicated with an air suction cavity. An end cover is provided with a bypass interface which is communicated with an exhaust pipe through a regulating valve and a bypass pipe; the end cover is provided with bypass valves, each bypass valve comprises a deep groove, a shallow groove, a sliding valve, a corrugated pipe and a spring, the sliding valve is composed of a sliding plate and a sliding sheet, the deep groove is internally provided with the spring and the corrugated pipe, the sliding plate is arranged between the spring and the corrugated pipe, the sliding sheet is arranged in the shallow groove, one end of the corrugated pipe is fixed on the side wall of the deep groove and is internally communicated with the bypass interface on the same side, and the other end of the corrugated pipe comes into contact with the sliding plate. In the invention, a high-pressure gas is utilized to push the sliding valve to change the opening size of the bypass port so as to realize continuous output air flow regulation and the unloading starting of the compressor, and the flow-variable horizontal vortex refrigeration compressor is stable in operation and easy to control and has safety and reliability.
Description
Technical field
The present invention relates to a kind of Horizontal vortex refrigeration compressor that can change output refrigeration working medium gas flow.
Background technique
The swirl type cold compressor moving element is few, and rotating speed is high, and efficient is high, and good reliability obtains using more and more widely in refrigeration plant.Horizontal vortex refrigeration compressor main shaft horizontal positioned, the longitudinal balance of main shaft is good, and it is more steady to turn round, but the supply mode of its lubricant oil has special requirement.At present, the method for swirl type cold compressor displacement adjusting mainly contains the variable speed adjusting, multi-machine parallel connection is regulated and the varying capacity bypass is regulated.Variable speed is regulated needs high performance frequency-variable controller, and high to the performance requirement of motor, the initial cost of complete machine increases; Multi-machine parallel connection is regulated needs multiple compressors, can not realize continuous adjusting; There is the scholar to propose the varying capacity bypass regulation scheme of turbine refrigerating compressor for air conditioner of vehicle, but is for car air conditioner opening type scroll compressor.The varying capacity bypass is adjusted in the technological scheme that does not also propose implementation on other commercial the using in the refrigeration plant, particularly horizontal fully-closed vortex formula refrigeration compressor exploitation.Along with energy day is becoming tight, be badly in need of developing the product of more energy-conserving and environment-protective, to satisfy the market demand that day by day increases.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, to provide a kind of Horizontal vortex refrigeration compressor that can realize changing output refrigeration working medium gas flow, with energy saving, protection of the environment.
The present invention is achieved through the following technical solutions:
A kind of Horizontal vortex refrigeration compressor of variable-flow, it is characterized in that, comprise outlet pipe, end cap, support, sucking pipe, motor stator, rotor, main shaft, the rotation scroll, the cross coupling ring, fixed scroll, air aspiration cavity, dunnage, the fuel feeding end cap, fuel sucking pipe, casing, flow control device, sucking pipe and outlet pipe are installed on the described casing, described main shaft is crank shaft structure, main shaft offers eccentric oil duct vertically, described main shaft horizontal positioned, main shaft passes support with an end of eccentric oil duct and cooperates with rotor and be equipped with and the close-fitting dunnage of casing, described main shaft cooperates with the eccentric crank pin of an end of the eccentric crank pin axle connecting groove with the outside, rotation scroll chassis, the boss on the cross coupling ring with lay respectively at support and be connected scroll on the groove fit of one-tenth cross distribution be connected support and rotate scroll; Be connected by screw between described dunnage and the fuel feeding end cap, be provided with the oil groove that is communicated with eccentric oil duct in the main shaft between described fuel feeding end cap and the support plate, described oil groove is connected with lubricating oil bath in the casing by the fuel sucking pipe that is installed on the fuel feeding end cap; Rotor cooperates with motor stator, and motor stator cooperates with casing, support and casing secure fit, and end cap is connected gasket seal with fixed scroll with support and screw is connected; The chassis center position of described end cap and fixed scroll is provided with the exhaust port of connection, be provided with the intakeport that is communicated with sucking pipe on the described end cap, be provided with the air aspiration cavity that is communicated with intakeport between described end cap and the fixed scroll, be provided with the air-breathing aperture that is communicated with described air aspiration cavity on the described fixed scroll; Fixed scroll and the phase difference engagement of rotation scroll with 180 degree, side contacts in the chassis of the top of the scroll wrap of fixed scroll and rotation scroll, the chassis inner surface of fixed scroll contact with the top end surface of rotation scroll scroll wrap, and the compression volume that forms the breathing space of outermost and air-breathing aperture connection, exhaust space that innermost layer communicates with exhaust port, centre in the axis contact totally three pairs of working rooms; Described flow control device comprises the by-pass port, modulating valve, the bypass tube that are arranged on the fixed scroll position corresponding with outermost breathing space and middle compression volume, be arranged on bypass valve on the end cap, be arranged on the bypass interface on the end cap, described bypass valve comprises the dark groove that is arranged on the end cap, shallow grooves, guiding valve, bellows, radially flexible spring, described by-pass port is communicated with air aspiration cavity, and described bypass interface is connected with outlet pipe with bypass tube by modulating valve; Described dark groove radially is positioned at position corresponding with described bypass interface on the end cap, described shallow grooves is positioned at the position corresponding with by-pass port on the fixed scroll, dark groove side, described guiding valve is connected to form by slide plate and slide plate, radially flexible spring and bellows are installed in the described dark groove, described slide plate is installed between spring and the bellows, described slide plate radially glide direction is installed in the shallow grooves, described bellows one end is fixed on the sidewall of dark groove and inner and is communicated with the bypass interface, and the described bellows the other end contacts with slide plate.
Casing is welded to form by right casing, left casing and engine housing.
The present invention has following technique effect:
The Horizontal vortex refrigeration compressor of variable-flow of the present invention, utilize the characteristics of Horizontal vortex refrigeration compressor self structure, diametric(al) along fixed scroll is offered by-pass port, utilize pressurized gas to promote guiding valve, change the size of by-pass port, realize the adjusting of continuous output tolerance, make the tolerance of refrigeration compressor output satisfy the demand that refrigeration plant is produced cold, reduce energy consumption, energy saving.And, the Horizontal vortex refrigeration compressor of variable-flow of the present invention, component are simple, and processing and assembling is convenient, and smooth running, safe and reliable is easy to control.
Description of drawings
Fig. 1 is the schematic representation of the Horizontal vortex refrigeration compressor of variable-flow of the present invention.
Fig. 2 is that A-A is to sectional view.
Fig. 3 is that B-B is to sectional view.
Fig. 4 is that C-C is to sectional view.
Fig. 5 is that D-D is to sectional view.
Embodiment:
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
The schematic representation of the Horizontal vortex refrigeration compressor of variable-flow of the present invention such as Fig. 1 comprise outlet pipe 4, end cap 7, support 10, sucking pipe 11, motor stator 12, rotor 13, main shaft 15, rotation scroll 17, cross coupling ring 18, fixed scroll 20, air aspiration cavity 36, dunnage 37, fuel feeding end cap 38, fuel sucking pipe 23, casing, flow control device to shown in Figure 5.Sucking pipe 11 and outlet pipe 4 are installed on the described casing, main shaft 15 is crank shaft structure, main shaft 15 offers eccentric oil duct 14 vertically, described main shaft 15 horizontal positioned, main shaft 15 passes support 10 with an end of eccentric oil duct and cooperates with rotor 13 and be equipped with and the close-fitting dunnage 37 of casing, described main shaft 15 cooperates with the axle connecting groove in the outside, rotation scroll 17 chassis with the eccentric crank pin of an end of eccentric crank pin, boss on the cross coupling ring 18 with lay respectively at support 10 and be connected scroll 17 on become the groove fit of cross distribution to be connected support and to rotate scroll, rotation scroll 17 is driven by main shaft 15 and rotates, can only be around fixed scroll 20 center steering translations.
Be connected by screw 39 between described dunnage 37 and the fuel feeding end cap 38, be provided with the oil groove that is communicated with eccentric oil duct in the main shaft between fuel feeding end cap 38 and the support plate 37, oil groove is connected with lubricating oil bath in the casing by the fuel sucking pipe 23 that is installed on the fuel feeding end cap.Rotor 13 cooperates with motor stator 12, and motor stator cooperates with casing, and support and casing are fixed.End cap 7 and fixed scroll 20 are connected with support and are connected by gasket seal and the screw 3 that is installed in the screw hole 21.The chassis center position of described end cap 7 and fixed scroll 20 is provided with the exhaust port 22 of connection, be provided with the intakeport 35 that is communicated with sucking pipe 11 on the described end cap 7, be provided with the air aspiration cavity 36 that is communicated with intakeport 35 between end cap 7 and the fixed scroll 20, be provided with the air-breathing aperture 40 that is communicated with air aspiration cavity 36 on the fixed scroll 20.Fixed scroll 20 and the phase difference engagement of rotation scroll 17 with 180 degree, side contacts in the chassis of the top of the scroll wrap of fixed scroll and rotation scroll, the chassis inner surface of fixed scroll contacts with the top end surface of rotation scroll scroll wrap, and the breathing space that is communicated with in the outermost and air-breathing aperture 40 of axis contact formation, the exhaust space that innermost layer communicates with exhaust port, middle compression volume is totally three pairs of working rooms, during compressor operating, along with rotarily driving the rotation scroll, main shaft rotates, each swept volume of a single chamber is constantly diminished from outside to inside, thereby realize air-breathing, the purpose of compression and exhaust.
Described flow control device comprises the by-pass port, modulating valve, the bypass tube that are arranged on the fixed scroll position corresponding with outermost breathing space and middle compression volume, be arranged on bypass interface on the end cap, be arranged on the bypass valve on the end cap, and described bypass valve comprises the dark groove that is arranged on the end cap, shallow grooves, guiding valve, bellows, radially flexible spring.Flow control device can arrange one group or two groups according to the needs of regulating.Being used for trace during one group of flow control device regulates.In order to enlarge regulation range, preferably adopt two groups of flow control devices.Below describe as an example of two groups of flow control devices example.
Position radially corresponding with a pair of outermost breathing space on the chassis of described fixed scroll 20 is respectively arranged with the by- pass port 26 and 25 that is communicated with air aspiration cavity 36, and the position corresponding with the compression volume of a pair of centre is respectively arranged with the by- pass port 32 and 31 that is communicated with air aspiration cavity 36.
Be respectively arranged with the bypass interface at the two ends of same diameter on the described end cap 7, a bypass interface is communicated with outlet pipe 4 by modulating valve 1 and bypass tube 2, and another bypass interface is communicated with outlet pipe 4 by modulating valve 8 and bypass tube 5.A side relative with fixed scroll and with the end cap of each bypass interface relevant position on be respectively arranged with bypass valve, one group of bypass valve comprises the dark groove 27-1, the shallow grooves 27-2 that are arranged on the end cap, guiding valve 9, bellows 33, radially flexible spring 29.Described dark groove radially is positioned at position corresponding with the bypass interface on the end cap, and described shallow grooves 27-2 is positioned at by-pass port 25 on dark groove side and the fixed scroll, 31 corresponding positions.Described guiding valve 9 is connected to form by slide plate 9-1 and slide plate 9-2, in the dark groove 27-1 radially flexible spring 29 and bellows 33 are installed, slide plate 9-1 is installed between spring 29 and the bellows 33, slide plate 9-2 radially glide direction is installed in the shallow grooves 27-2, bellows 33 1 ends are fixed on the sidewall of dark groove 27-1 and inner and are communicated with the bypass interface of homonymy, and bellows 33 the other ends contact with slide plate 9-1.Another group bypass valve comprises the dark groove 28-1, the shallow grooves 28-2 that are arranged on the end cap, guiding valve 30, bellows 34, radially flexible spring 19.Described dark groove radially is positioned at position corresponding with the bypass interface on the end cap, and described shallow grooves 28-2 is positioned at by-pass port 26 on dark groove side and the fixed scroll, 32 corresponding positions.Described guiding valve 30 is connected to form by slide plate 30-1 and slide plate 30-2, in the dark groove 28-1 radially flexible spring 19 and bellows 34 are installed, slide plate 30-1 is installed between spring 19 and the bellows 34, slide plate 30-2 radially glide direction is installed in the shallow grooves 28-2, bellows 34 1 ends are fixed on the sidewall of dark groove 28-1 and inner and are communicated with the bypass interface of homonymy, and bellows 34 the other ends contact with slide plate 30-1.The open degree of modulating valve 1 and modulating valve 8 can be regulated automatically according to the adjusting needs of output tolerance.
For the ease of assembling, casing is welded to form by right casing 6, left casing 16 and engine housing 24.
During assembling, place spring 29, slide plate 9-1 and bellows 33 in the dark groove 27-1 of end cap 7, a side of bellows 33 is fixed on the sidewall of dark groove 27-1, opposite side contacts with slide plate, and slide plate 9-2 is placed in the shallow grooves 27-2.Place spring 19, slide plate 30-1 and bellows 34 in dark groove 28-1, a side of bellows 34 is fixed on the sidewall of dark groove 28-1, opposite side contacts with slide plate, and slide plate 30-2 is placed in the shallow grooves 28-2.Place gasket seal between end cap 7 and the fixed scroll 20, fixed scroll 20 fits together with the phase difference of rotation scroll 17 with 180 degree, the axle connecting groove of rotation scroll 17 cooperates with the eccentric crank pin of main shaft 15, the outside, chassis groove cooperates with cross coupling ring 18 boss, support 10 cooperates with main shaft 15, and the groove of adjusting support 10 inboards cooperates with the boss of cross coupling ring 18, place gasket seal between support 10 and the fixed scroll 20, end cap 7, fixed scroll 20 are fixed on the support 10 by screw 3.Main shaft 15 cooperates with rotor 13, rotor 13 cooperates with motor stator 12, the bypass interface of the both sides of end cap 7 welds with bypass tube 2 and bypass tube 5 respectively, the intakeport 35 of end cap 7 and sucking pipe 11 welding, oilhole welding in the middle of fuel sucking pipe 23 and the fuel feeding end cap 38, fuel feeding end cap 38 is placed gasket seal with 37 of dunnages and is connected by screw 39, dunnage 37 is cooperated with main shaft 15, above-mentioned integral body is pressed in the engine housing 24, radially two lugs and the engine housing 24 of support 10 closely cooperate, two lugs and the engine housing 24 of dunnage 37 closely cooperate, right casing 6 and left casing 16 are welded with engine housing 24 respectively, inject by oil hole and calculate good lubricants capacity, sucking pipe 11 and right casing 6 are welded, weld modulating valve 1 and modulating valve 8 on bypass tube 2 and the bypass tube 5, and weld with outlet pipe 4.Outlet pipe 4 is welded on the right casing 6, with the connection box for motor location, takes in right casing 6 external welding techniques, the assembling of compressor complete machine is complete.During main shaft 15 High Rotation Speed, be positioned at the lubricant oil of bottom of shell, in casing, enter in the oil groove space of fuel feeding end cap 38, dunnage 37 and main shaft 15 formation by fuel sucking pipe 23 under the effect of gas high pressure, the eccentric oil duct 14 of under the effect of centrifugal force, offering along main shaft 15 interior axial directions, flowing to needs lubricated surface, the matching gap between obturator, reduces and leaks and frictional loss.
The gas refrigeration working medium of the low-temp low-pressure by vaporizer is by the air-breathing aperture 40 on the intakeport 35 on sucking pipe 11, the end cap 7, air aspiration cavity 36, the fixed scroll, enter the outermost volume space that fixed scroll and rotation scroll form, along with main shaft driven rotary scroll is rotated, gas refrigeration working medium enters the volume space that reduces gradually from outside to inside, until be positioned at the volume space that is communicated with exhaust port 22 of central authorities, high temperature and high pressure gas refrigeration working medium after compression enters space in the casing through exhaust port 22, discharges compressors through outlet pipe 4.
As shown in Figure 3; when compressor start; gas pressure in the outlet pipe is not also set up; bellows 33 is minimum with bellows 34 interior gas forces by bypass tube 5 and bypass tube 2; guiding valve 9 and guiding valve 30 are positioned at respectively the outermost position of groove under the promotion of spring 29 and spring 19; bellows 33 is retracted to the shortest with bellows 34; the by-pass port 25 of fixed scroll 20; 31 and 26; 32 open fully; suck gas refrigeration working medium in the volume space that fixed scroll and rotation scroll form all through the by-pass port 25 of fixed scroll; 31 and 26; 32; and the air aspiration cavity on the end cap 7 36; flow in the sucking pipe 11; the unloading that realizes compressor starts; reduce the startup load of compressor, reduce energy consumption, the protection compressor.
When compressor normally moves, regulate the open degree size of modulating valve 1 and modulating valve 8, the gas force promotion slide plate 9-1 and the slide plate 30-1 that flow to bellows 33 and bellows 34 are moved, thereby slide plate 9-2 and slide plate 30-2 in the drive shallow grooves, and the by- pass port 25,26,31 and 32 of fixed scroll 20 covered fully, be the bypass valve full cut-off, the tolerance of compressor output is 100%.
When compressor normally moves such as the needs adjusting of exporting tolerance, only need the size by the open degree of regulating and controlling valve 1 and modulating valve 8, regulate in bellows 33 and the bellows 34 size by the gas force of bypass tube 5 and bypass tube 2, promoting guiding valve 9 and guiding valve 30 moves, move to exhaust port from the bypass valve full close position, regulate by- pass port 25,26 and 31,32 sizes of opening of fixed scroll 20, the adjusting that can realize exporting tolerance.The open degree of modulating valve 1 and modulating valve 8 is larger, bellows 33 is interior larger by the gas force of bypass tube 5 and bypass tube 2 with bellows 34, bellows 33 is more with bellows 34 elongations, simultaneously, promoting guiding valve 9 and guiding valve 30 moves the closer to exhaust port, by-pass port is opened larger, and the tolerance of effective compression of compressor is less, and the gas of discharge is fewer.When the open degree of modulating valve 1 and modulating valve 8 is maximum, bellows 33 is maximum with bellows 34 interior gas forces by bypass tube 5 and bypass tube 2, bellows 33 is elongated to the longest with bellows 34, promoting guiding valve 9 and guiding valve 30 moves near exhaust port, the by-pass port 25 of fixed scroll 20,31 and 26,32 is opened fully, and the tolerance of compressor output is 0.By-pass port is opened during startup, realizes that unloading starts.Move to the by-pass port full close position after the startup, move to exhaust port again, open gradually by-pass port and realize regulating continuously, the power consumpiton that the gas bypass after compressing with minimizing causes.
When compressor normally moved, the open degree of regulating and controlling valve 1 and modulating valve 8 was big or small separately, was in such as one of them bypass valve and closed, and the another one bypass valve is regulated, and can realize the adjusting of more micro-output tolerance.
Utilize the Horizontal vortex refrigeration compressor of variable-flow of the present invention, utilize pressurized gas to promote guiding valve, change the size of by-pass port, realize that the adjusting of output tolerance and the unloading of compressor start, and reduce energy consumption, energy saving.The Horizontal vortex refrigeration compressor of variable-flow of the present invention, component are simple, and processing and assembling is convenient, and smooth running, safe and reliable is easy to control.
Although with reference to embodiment the disclosed Horizontal vortex refrigeration compressor that relates to a kind of variable-flow has been carried out special description, embodiment described above is illustrative and not restrictive, in the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (2)
1. the Horizontal vortex refrigeration compressor of a variable-flow, it is characterized in that, comprise outlet pipe, end cap, support, sucking pipe, motor stator, rotor, main shaft, the rotation scroll, the cross coupling ring, fixed scroll, air aspiration cavity, dunnage, the fuel feeding end cap, fuel sucking pipe, casing, flow control device, sucking pipe and outlet pipe are installed on the described casing, described main shaft is crank shaft structure, main shaft offers eccentric oil duct vertically, described main shaft horizontal positioned, main shaft passes support with an end of eccentric oil duct and cooperates with rotor and be equipped with and the close-fitting dunnage of casing, described main shaft cooperates with the eccentric crank pin of an end of the eccentric crank pin axle connecting groove with the outside, rotation scroll chassis, the boss on the cross coupling ring with lay respectively at support and be connected scroll on the groove fit of one-tenth cross distribution be connected support and rotate scroll; Be connected by screw between described dunnage and the fuel feeding end cap, be provided with the oil groove that is communicated with eccentric oil duct in the main shaft between described fuel feeding end cap and the support plate, described oil groove is connected with lubricating oil bath in the casing by the fuel sucking pipe that is installed on the fuel feeding end cap; Rotor cooperates with motor stator, and motor stator cooperates with casing, support and casing secure fit, and end cap is connected gasket seal with fixed scroll with support and screw is connected; The chassis center position of described end cap and fixed scroll is provided with the exhaust port of connection, be provided with the intakeport that is communicated with sucking pipe on the described end cap, be provided with the air aspiration cavity that is communicated with intakeport between described end cap and the fixed scroll, be provided with the air-breathing aperture that is communicated with described air aspiration cavity on the described fixed scroll; Fixed scroll and the phase difference engagement of rotation scroll with 180 degree, side contacts in the chassis of the top of the scroll wrap of fixed scroll and rotation scroll, the chassis inner surface of fixed scroll contact with the top end surface of rotation scroll scroll wrap, and the compression volume that forms the breathing space of outermost and air-breathing aperture connection, exhaust space that innermost layer communicates with exhaust port, centre in the axis contact totally three pairs of working rooms; Described flow control device comprises modulating valve, bypass tube, be arranged on the fixed scroll position corresponding with outermost breathing space and middle compression volume by-pass port, be arranged on bypass valve on the end cap, be arranged on the bypass interface on the end cap, described bypass valve comprises the dark groove that is arranged on the end cap, shallow grooves, guiding valve, bellows, radially flexible spring, described by-pass port is communicated with air aspiration cavity, and described bypass interface is connected with outlet pipe with bypass tube by modulating valve; Described dark groove radially is positioned at position corresponding with described bypass interface on the end cap, described shallow grooves is positioned at the position corresponding with by-pass port on the fixed scroll, dark groove side, described guiding valve is connected to form by slide plate and slide plate, radially flexible spring and bellows are installed in the described dark groove, described slide plate is installed between spring and the bellows, described slide plate radially glide direction is installed in the shallow grooves, described bellows one end is fixed on the sidewall of dark groove and inner and is communicated with the bypass interface, and the described bellows the other end contacts with slide plate.
2. the Horizontal vortex refrigeration compressor of variable-flow according to claim 1 is characterized in that, casing is welded to form by right casing, left casing and engine housing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110001518 CN102032184B (en) | 2011-01-05 | 2011-01-05 | Flow-variable horizontal vortex refrigeration compressor |
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| CN 201110001518 CN102032184B (en) | 2011-01-05 | 2011-01-05 | Flow-variable horizontal vortex refrigeration compressor |
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| CN102032184A CN102032184A (en) | 2011-04-27 |
| CN102032184B true CN102032184B (en) | 2013-02-06 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061647A (en) * | 1990-11-16 | 1992-06-03 | 三菱重工业株式会社 | Scroll compressor |
| CN201916192U (en) * | 2011-01-05 | 2011-08-03 | 天津商业大学 | Variable-capacity horizontal scroll refrigerating compressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008031920A (en) * | 2006-07-28 | 2008-02-14 | Daikin Ind Ltd | Rotary compressor |
| JP2006342810A (en) * | 2006-08-25 | 2006-12-21 | Mitsubishi Electric Corp | Pressure regulating valve device |
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2011
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061647A (en) * | 1990-11-16 | 1992-06-03 | 三菱重工业株式会社 | Scroll compressor |
| CN201916192U (en) * | 2011-01-05 | 2011-08-03 | 天津商业大学 | Variable-capacity horizontal scroll refrigerating compressor |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2006-342810A 2006.12.21 |
| JP特开2008-31920A 2008.02.14 |
| 李园园等.带经济器的热泵系统用涡旋压缩机的理论研究.《制冷空调与电力机械》.2008,第29卷(第3期),6-10. * |
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