CN210565073U - Scroll compressor and electric appliance comprising same - Google Patents

Abstract

The utility model discloses a scroll compressor reaches electrical apparatus including this scroll compressor relates to compressor technical field, and this scroll compressor includes scroll compressor body and oil and gas separator, oil and gas separator is including the barrel that has the disengagement chamber, the disengagement chamber with the gas vent of scroll compressor body is linked together, the barrel is equipped with the confession refrigerant gas exhaust's in the disengagement chamber exhaust passage and with the oil drain pipe that the oil bath of scroll compressor body is linked together. According to the arrangement, the oil-gas mixture is separated in the separation cavity, the refrigerant gas enters the air conditioning system through the exhaust channel, the lubricating oil entering the air conditioning system is reduced, and the heat exchange effect of the heat exchanger and the energy efficiency of the air conditioning system are improved; the lubricating oil separated from the separation cavity flows back to the oil pool to play a role in lubricating the operation of the scroll compressor, and the faults of the scroll compressor caused by abrasion are reduced.

Description

Scroll compressor and electric appliance comprising same

Technical Field

The utility model relates to a compressor technical field, more specifically say, relate to a scroll compressor and including this scroll compressor's electrical apparatus.

Background

The scroll compressor has simple structure, small volume and light weight, and is widely applied to air conditioners. The air conditioner has the advantages that the air conditioner is influenced by the structure of the scroll compressor, the oil content of exhausted air is high, a large amount of refrigeration oil can be brought into the air conditioning system after refrigerant gas is compressed, an oil film is formed on the surface of the heat exchanger, the flow resistance of the refrigerant gas in the heat exchange tube is increased, adverse effects are generated on the heat exchanger, and the energy consumption of the air conditioner is increased. Further, the refrigerant gas carries away the refrigerant oil, which causes a decrease in the amount of refrigerant oil in the oil sump of the scroll compressor, a decrease in the oil level, a deterioration in the lubricating effect between the scroll compressor components, wear of the compressor, and a decrease in the reliability of the compressor.

Therefore, how to solve the problems that the exhaust oil content of the scroll compressor is high, the heat exchange effect of the heat exchanger is influenced, the energy consumption of the air conditioner is high, and the scroll compressor is easy to have wear failure in the prior art, and the problem becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scroll compressor reaches electrical apparatus including this scroll compressor, and the exhaust oiliness height of scroll compressor among the solution prior art influences the heat transfer effect of heat exchanger, and the energy consumption that leads to the air conditioner is higher, and the problem of wearing and tearing trouble easily appears in scroll compressor moreover. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a scroll compressor, including scroll compressor body and oil and gas separator, oil and gas separator is including the barrel that has the disengagement chamber, the disengagement chamber with the gas vent of scroll compressor body is linked together, the barrel is equipped with the confession refrigerant gas outgoing's in the disengagement chamber exhaust passage and with the oil drain pipe that the oil bath of scroll compressor body is linked together.

Preferably, an air inlet is arranged on the side wall of the cylinder body, and the air inlet is connected with the air outlet through an inlet pipe.

Preferably, the exhaust direction of the inlet pipe at the air inlet is tangential to the side wall of the barrel.

Preferably, the inlet pipe comprises a straight pipe section communicated with the exhaust port and a bent pipe section connected with the straight pipe section, and the exhaust direction of the bent pipe section is horizontal.

Preferably, the cylinder is provided with an exhaust pipe vertically arranged, and a pipe cavity of the exhaust pipe forms the exhaust channel.

Preferably, the exhaust duct comprises a first section disposed outside the cartridge and a second section extending into the separation chamber.

Preferably, the cylinder body comprises a cylindrical cylinder and a conical cylinder arranged at the lower end of the cylindrical cylinder, the cross-sectional area of the conical cylinder is gradually reduced from one end close to the cylindrical cylinder to the other end far away from the cylindrical cylinder, and the oil drain pipe is arranged at the lower end of the conical cylinder.

Preferably, the oil-gas separator further comprises a base fixedly connected with the scroll compressor body, the base is provided with a first channel corresponding to the exhaust port and a second channel communicated with the oil pool, and the inlet pipe and the oil discharge pipe are respectively connected with the first channel and the second channel.

Preferably, an oil return port communicated with the oil sump is formed in the scroll compressor body, and sealing structures are arranged between the first channel and the exhaust port and between the second channel and the oil return port.

Preferably, the lower terminal surface of base be equipped with stretch into respectively in the gas vent with intraoral first spliced pole of oil return and second spliced pole, first passageway with the second passageway sets up respectively first spliced pole with in the second spliced pole, first spliced pole with the periphery wall of second spliced pole all is equipped with the sealing washer.

The utility model also provides an electrical apparatus, including scroll compressor, scroll compressor is foretell scroll compressor.

The technical scheme provided by the utility model, scroll compressor includes scroll compressor body and oil and gas separator, wherein, oil and gas separator has the barrel of disengagement chamber and sets up exhaust passage and the oil drain pipe on the barrel including inside, the gas vent and the disengagement chamber of scroll compressor body are linked together, gas vent exhaust gas-oil mixture gets into the disengagement chamber, when flowing in the disengagement chamber, collide the inner wall of barrel, some lubricating oil is adsorbed on the barrel inner wall, there is rotatory flow gas in the disengagement chamber, under the effect of centrifugal force, also can make lubricating oil and refrigerant gas separation. The separated refrigerant gas is discharged from the exhaust passage of the cylinder body and enters the air conditioning system, and the separated lubricating oil flows back to the oil pool of the scroll compressor body through the oil discharge pipe of the cylinder body, so that the lubricating oil is provided for the operation of the scroll compressor. So set up, the lubricating oil that gets into among the air conditioning system reduces, and air conditioning system's efficiency is higher, and the phenomenon that reduces by a wide margin can not appear in the oil mass in the oil bath, reduces the trouble that scroll compressor leads to because of wearing and tearing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a scroll compressor according to an embodiment of the present invention;

FIG. 2 is a schematic view of the assembly of the front cover of the scroll compressor body with the oil and gas separator in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an oil-gas separator in an embodiment of the present invention;

fig. 4 is a cross-sectional view of the oil-gas separator in an embodiment of the invention, taken along a first longitudinal section;

fig. 5 is a cross-sectional view of the oil separator in the embodiment of the present invention, taken along a second longitudinal section.

In fig. 1-5:

1-an oil-gas separator, 2-a scroll compressor body, 21-a front cover, 3-a barrel, 31-a cylindrical barrel, 32-a conical barrel, 4-an exhaust pipe, 41-a first section, 42-a second section, 5-an inlet pipe, 51-a straight pipe section, 52-a bent pipe section, 6-an oil discharge pipe, 7-a base, 8-an exhaust port, 9-an oil return port, 10-a first connecting column, 101-a first channel, 11-a second connecting rod and 111-a second channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of this embodiment is to provide a scroll compressor, the oil-gas separation is carried out in oil-gas separator to the gas mixture of the gas vent exhaust of scroll compressor body, reduces the lubricating oil that gets into among the air conditioning system, improves the heat transfer effect of heat exchanger and the efficiency of air conditioner, avoids scroll compressor wearing and tearing trouble to appear.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 5, in the present embodiment, the scroll compressor includes a scroll compressor body 2 and an oil-gas separator 1, wherein the oil-gas separator 1 includes a cylinder 3, a separation cavity is formed inside the cylinder 3, an exhaust port 8 of the scroll compressor body 2 is communicated with the separation cavity, an exhaust passage and an oil discharge pipe 6 are disposed on the cylinder 3, the exhaust passage and the oil discharge pipe 6 are both communicated with the separation cavity, the exhaust passage is used for discharging refrigerant gas in the separation cavity, and the oil discharge pipe 6 is communicated with an oil sump of the scroll compressor. Refrigerant gas compressed by the scroll compressor is discharged from the gas outlet 8 and flows into the separation cavity, and a part of lubricating oil enters the separation cavity along with the refrigerant gas, so that oil-gas mixture flows into the separation cavity. When the oil-gas mixture flows in the separation cavity, the oil-gas mixture collides with the inner wall of the cylinder 3, part of lubricating oil is attached to the inner wall of the cylinder 3, the oil-gas mixture rotates and flows in the separation cavity, and the lubricating oil and the refrigerant gas are separated under the action of centrifugal force. The separated refrigerant gas is discharged from the exhaust passage into the air conditioning system, and the separated lubricating oil flows back to the oil sump of the scroll compressor body 2 through the oil discharge pipe 6.

According to the arrangement, the oil-gas mixture is separated in the separation cavity, the refrigerant gas enters the air conditioning system through the exhaust channel, the lubricating oil entering the air conditioning system is reduced, and the heat exchange effect of the heat exchanger and the energy efficiency of the air conditioning system are improved; the lubricating oil separated from the separation cavity flows back to the oil pool to play a role in lubricating the operation of the scroll compressor, and the faults of the scroll compressor caused by abrasion are reduced.

However, in the prior art, the oil-gas mixture discharged from the exhaust port 8 directly enters the air conditioning system, a layer of lubricating oil film is formed on the surface of the heat exchanger, and the pipe diameter of the heat exchange pipe is reduced, so that the flow resistance of refrigerant gas is increased, and the energy consumption of the air conditioning system is increased; in addition, a part of lubricating oil enters the air conditioning system along with refrigerant gas, so that the lubricating oil in an oil pool is reduced, the lubricating effect among parts of the scroll compressor is poor, and the compressor is in failure. After the oil-gas separator 1 is added to the scroll compressor, the reliability of the scroll compressor can be improved, and the energy consumption of an air conditioning system is reduced.

In the preferred scheme of this embodiment, the side wall of the cylinder 3 is provided with an air inlet, and the air inlet is connected with an air outlet 8 of the scroll compressor through an inlet pipe 5. So set up, set up the air inlet on the lateral wall of barrel 3 for when the oil-gas mixture flows in barrel 3, there is certain rotatory flow, and the separation effect of refrigerant gas and lubricating oil is better, and moreover, oil-gas separator 1 is simpler, easily assembles.

Further, referring to fig. 3 and 4, the exhaust direction of the inlet pipe 5 at the air inlet is tangential to the side wall of the cylinder 3. So set up, the flow direction of oil-gas mixture in the air inlet department of barrel 3 is tangent with the lateral wall of barrel 3, and when oil-gas mixture flows in barrel 3, receives great centrifugal force for lubricating oil and refrigerant gas separate to a great extent, improve oil-gas separator 1 to oil-gas mixture's separation effect and separation efficiency, oil drips to attach the collection on the inner wall of barrel 3, flows downwards again to oil drain pipe 6 and arrives in the oil bath side by side.

In this embodiment, the inlet pipe 5 comprises a straight pipe section 51 and a bent pipe section 52, a first end of the straight pipe section 51 is connected with the exhaust port 8, a second end of the straight pipe section 51 is connected with the bent pipe section 52, and an end of the bent pipe section 52 far away from the straight pipe section 51 is connected with the intake port. The gas-oil mixture discharged from the exhaust port 8 flows into the straight pipe section 51, then flows into the bent pipe section 52, and is discharged into the separation chamber from the exhaust end of the bent pipe section 52, and the exhaust direction of the exhaust end of the bent pipe section 52 is horizontal. The horizontal plane is perpendicular to the center line of the cylinder, and the "horizontal direction" is in the horizontal plane.

So set up, during oil-gas mixture flowed into the separation chamber along the horizontal direction, when upwards, the downward flow diffusion in the separation chamber, can dwell the certain time in the separation chamber, lubricating oil and refrigerant gas's separation effect is better.

In the preferred embodiment, the exhaust direction of the exhaust end of the elbow section 52 is horizontal and tangential to the side wall of the cylinder 3. So set up, oil-gas mixture rotatory flow in the separation chamber receives bigger centrifugal force, and under the effect of centrifugal force, lubricating oil and refrigerant gas separation, lubricating oil contact 3 inner walls of barrel and adsorbed.

In this embodiment, the cylinder 3 is provided with an exhaust pipe 4, and a lumen of the exhaust pipe 4 forms an exhaust passage. The exhaust pipe 4 is vertically arranged and communicated with the separation cavity so that refrigerant gas in the separation cavity can flow into the air conditioning system. So set up, 4 vertical settings of blast pipe, the air inlet setting of barrel 3 is on its lateral wall, and the inlet end of blast pipe 4 and the air inlet non-relative setting of barrel 3 so the oil-gas mixture who gets into in the disengagement chamber can directly not flow away from blast pipe 4, can carry out the oil-gas separation on the great degree in the disengagement chamber.

Further, referring to fig. 5, the exhaust duct 4 includes a first section 41 disposed outside the cylinder 3 and a second section 42 extending into the separation chamber. Preferably, the lower end of the second section 42 is lower than the air inlet of the barrel 3. So set up, the oil-gas mixture that flows in by the air inlet rotates in barrel 3 and flows, carries out abundant centrifugal separation, and the refrigerant gas that flows to the lower port of blast pipe 4 has carried out abundant oil-gas separation, and the lubricating oil that contains in the refrigerant gas significantly reduces for the lubricating oil that gets into among the air conditioning system reduces.

In the present embodiment, referring to fig. 3, the barrel 3 includes a cylindrical barrel 31 and a tapered barrel 32 connected to a lower end of the cylindrical barrel 31, and a barrel cover and a barrel bottom are respectively disposed at an upper end of the cylindrical barrel 31 and a lower end of the tapered barrel 32. The exhaust pipe 4 is arranged on the cylinder cover, the air inlet is arranged on the cylindrical cylinder 31, and the cross-sectional area of the conical cylinder 32 is gradually reduced from one end close to the cylindrical cylinder 31 to one end far away from the cylindrical cylinder 31. The oil drain pipe 6 is arranged at the lower end of the cone-shaped cylinder 32 and is connected with the cylinder bottom. With such an arrangement, the cross-sectional area of the lower end of the tapered cylinder 32 is small, and the lubricating oil adsorbed by the inner wall of the cylinder 3 and the lubricating oil attached to the inner wall of the cylinder 3 by the centrifugal force both flow downward and finally collect at the bottom of the tapered cylinder 32 to flow back to the oil sump through the oil discharge pipe 6.

In the present embodiment, the oil separator 1 further comprises a base 7, and the base 7 is fastened to the scroll compressor body 2 by bolts so as to mount the oil separator 1 on the scroll compressor body 2. The base 7 is provided with a first passage 101 communicating with the exhaust port 8 of the scroll compressor body 2 and a second passage 111 communicating with the oil sump, and the inlet pipe 5 and the oil discharge pipe 6 are inserted into the first passage 101 and the second passage 111, respectively.

So set up, base 7 can improve oil and gas separator 1's stability, and the inlet tube 5 of being convenient for and oil drain pipe 6 etc. are connected with scroll compressor body 2, and it is more firm to be connected between oil and gas separator 1 and the scroll compressor body 2.

In a preferred embodiment of the present invention, the scroll compressor body 2 is provided with an oil return port 9 communicating with the oil sump, and sealing structures are provided between the first passage 101 and the exhaust port 8 and between the second passage 111 and the oil return port 9. So set up, avoid oil and gas separator 1's installation to lead to the scroll compressor oil leak gas leakage, avoid the scroll compressor to lead to the energy consumption to increase and the trouble problem appears because of oil leak gas leakage.

Specifically, a compression cavity is formed between the fixed scroll and the movable scroll of the scroll compressor body 2, a front cover 21 is further arranged on the outer side of the fixed scroll, an exhaust cavity is formed between the fixed scroll and the front cover 21, the oil return port 9 and the exhaust port 8 are both arranged on the front cover 21 of the scroll compressor, and the base 7 of the oil-gas separator 1 is fixedly connected with the front cover 21 of the scroll compressor body 2 through bolts. Refrigerant gas in the compression cavity firstly flows into the exhaust cavity and then flows into the oil-gas separator 1 through the exhaust port 8 on the front cover 21, and the inlet pipe 5 and the oil discharge pipe 6 are communicated with the exhaust port 8 and the oil return port 9 of the front cover 21.

Further, the lower terminal surface of base 7 is equipped with first spliced pole 10 and second spliced pole 11, first spliced pole 10 stretches into in gas vent 8, be first passageway 101 in it, second spliced pole 11 stretches into in oil return opening 9, be second passageway 111 in it, all be equipped with the recess that extends along circumference on the periphery wall of first spliced pole 10 and second spliced pole 11, all set up the sealing washer in the recess, so that between first spliced pole 10 and the gas vent 8, sealing connection between second spliced pole 11 and the oil return opening 9. Of course, in other embodiments, the sealing structure may also be a raw material tape wound around the outer circumferential walls of the first connecting post 10 and the second connecting post 11.

The following description will be made in detail with reference to the above embodiments, in this embodiment, the scroll compressor includes a scroll compressor body 2 and an oil-gas separator 1, wherein the oil-gas separator 1 includes a cylinder body 3 having a separation chamber therein, the cylinder body 3 includes a cylindrical cylinder 31 and a tapered cylinder 32 disposed at a lower end of the cylindrical cylinder 31, an upper end of the cylindrical cylinder 31 and a lower end of the tapered cylinder 32 are respectively provided with a cylinder cover and a cylinder bottom, the cylinder cover is provided with a gas discharge pipe 4, the gas discharge pipe 4 is vertically disposed and includes a first section 41 disposed outside the cylinder 3 and a second section 42 extending into the cylinder 3, a peripheral sidewall of the cylindrical cylinder 31 is provided with a gas inlet, the gas inlet is connected to a gas discharge port 8 of the scroll compressor body 2 through an inlet pipe 5, the inlet pipe 5 includes a straight pipe section 51 connected to the gas discharge port 8 and a bent pipe section, the exhaust end of the bent pipe section 52 is connected with the air inlet, and the exhaust direction of the exhaust end of the bent pipe section 52 is tangential to the peripheral side wall of the cylindrical barrel 31 and exhausts air horizontally. The cross-sectional area of the conical barrel is gradually reduced from one end close to the cylindrical barrel 31 to one end far away from the cylindrical barrel 31, namely, the cross-sectional area of the conical barrel is gradually reduced from top to bottom, and the lower end of the conical barrel is provided with an oil discharge pipe 6. The oil-gas separator 1 further comprises a base 7, a first connecting column 10 and a second connecting column 11 are arranged on the lower end face of the base 7, a first channel 101 and a second channel 111 are respectively arranged in the first connecting column 10 and the second connecting column 11, and the inlet pipe 5 and the oil discharge pipe 6 are respectively communicated with the first channel 101 and the second channel 111. The base 7 is connected with a front cover 21 of the scroll compressor, an exhaust port 8 and an oil return port 9 are arranged on the front cover 21, the first channel 101 is connected with the exhaust port 8 in a sealing mode, and the second channel 111 is connected with the oil return port 9 in a sealing mode.

According to the arrangement, the oil-gas separator 1 is arranged on the front cover 21 of the compressor, the oil-gas mixture discharged from the exhaust port 8 is acted by centrifugal force in the separation cavity, so that lubricating oil and refrigerant gas are separated, the lubricating oil is attached to the inner wall of the cylinder 3, the refrigerant gas flows into the air conditioning system through the exhaust pipe 4, the lubricating oil entering the air conditioning system is reduced, the heat exchange effect of the heat exchanger and the energy efficiency of the air conditioning system are improved, the lubricating oil separated from the separation cavity flows back to the oil pool, and the vortex compressor is prevented from being broken down due to abrasion.

The utility model also provides an electrical apparatus, including scroll compressor, this scroll compressor is the scroll compressor in the above-mentioned embodiment. The appliance may be, but is not limited to, an air conditioner, a refrigerator, etc. So set up, scroll compressor is equipped with oil and gas separator 1, and the oil-gas mixture gas that 8 exhaust gas vents of scroll compressor carries out oil-gas separation in oil and gas separator 1, and the refrigerant gas who separates improves the heat transfer effect of heat exchanger and the efficiency of electrical apparatus in flowing into the heat exchanger, and the lubricating oil that separates flows back in the oil bath of scroll compressor body 2, improves the reliability of scroll compressor and electrical apparatus. The derivation process of the beneficial effect is substantially similar to that of the beneficial effect brought by the scroll compressor, and therefore, the description is omitted here.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. The utility model provides a scroll compressor, its characterized in that, includes scroll compressor body (2) and oil and gas separator (1), oil and gas separator (1) is including barrel (3) that have the separation chamber, the separation chamber with gas vent (8) of scroll compressor body (2) are linked together, barrel (3) are equipped with the confession refrigerant gas exhaust's in the separation chamber exhaust passage and with oil drain (6) that the oil sump of scroll compressor body (2) is linked together.

2. A scroll compressor according to claim 1, wherein an inlet port is provided in the side wall of the cylinder (3), said inlet port being connected to the outlet port (8) by means of an inlet tube (5).

3. A scroll compressor as claimed in claim 2, wherein the discharge direction of the inlet tube (5) at the inlet port is tangential to the side wall of the barrel (3).

4. The scroll compressor according to claim 3, wherein the inlet pipe (5) includes a straight pipe section (51) communicating with the exhaust port (8) and a bent pipe section (52) connected to the straight pipe section (51), and a discharge direction of the bent pipe section (52) is a horizontal direction.

5. A scroll compressor according to claim 2, wherein a vertically arranged gas discharge tube (4) is provided on the cylinder (3), the lumen of the gas discharge tube (4) forming the gas discharge passage.

6. The scroll compressor according to claim 5, wherein the discharge tube (4) comprises a first section (41) disposed outside the cylinder (3) and a second section (42) extending into the separation chamber.

7. The scroll compressor according to claim 1, wherein said cylinder body (3) includes a cylindrical tube (31) and a tapered tube (32) provided at a lower end of said cylindrical tube (31), a cross-sectional area of said tapered tube (32) is gradually reduced from an end close to said cylindrical tube (31) to an end far from said cylindrical tube (31), and said oil discharge pipe (6) is provided at a lower end of said tapered tube (32).

8. A scroll compressor as claimed in claim 2, wherein the gas-oil separator (1) further comprises a base (7) fixedly connected with the scroll compressor body (2), the base (7) being provided with a first passage (101) corresponding to the gas outlet (8) and a second passage (111) communicating with the oil sump, the inlet pipe (5) and the oil discharge pipe (6) being connected with the first passage (101) and the second passage (111), respectively.

9. The scroll compressor according to claim 8, wherein the scroll compressor body (2) is provided with an oil return port (9) communicating with the oil sump, and sealing structures are provided between the first passage (101) and the exhaust port (8) and between the second passage (111) and the oil return port (9).

10. The scroll compressor according to claim 9, wherein the lower end surface of the base (7) is provided with a first connecting post (10) and a second connecting post (11) which respectively extend into the exhaust port (8) and the oil return port (9), the first passage (101) and the second passage (111) are respectively provided in the first connecting post (10) and the second connecting post (11), and the outer peripheral walls of the first connecting post (10) and the second connecting post (11) are respectively sleeved with a sealing ring.

11. An electrical appliance comprising a scroll compressor, the scroll compressor being as claimed in any one of claims 1 to 10.

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