JP7469679B2 - Scroll compressor and refrigeration cycle device equipped with same - Google Patents

Description

A scroll compressor and a refrigeration cycle device equipped with the same.

High-pressure dome-type scroll compressors such as that disclosed in Patent Document 1 (JP Patent Publication No. 2022-19554) have been known for some time. In this scroll compressor, high-pressure refrigerant gas discharged from the compression mechanism into the upper space in the casing flows through grooves formed in the fixed scroll into the lower space in the casing located below the compression mechanism. The scroll compressor operates to compress the refrigerant when the upper and lower spaces in the casing are filled with high-pressure refrigerant gas.

In high-pressure dome scroll compressors like the one described above, there is a problem in that the refrigerant pressure drops due to pressure loss when the refrigerant enters the grooves formed in the fixed scroll, and flow resistance when the refrigerant passes through the grooves, reducing the efficiency of the scroll compressor. One way to reduce flow resistance is to increase the flow area, but it is necessary to form the flow path by avoiding other parts, and there are many restrictions on increasing the flow area.

The scroll compressor of the first aspect includes a compression mechanism and a casing. The compression mechanism has a movable scroll and a fixed scroll. The compression mechanism discharges refrigerant gas from a discharge port. The casing houses the compression mechanism. The internal space of the casing is divided into a first space and a second space by the compression mechanism. The fixed scroll has a communication passage that connects the first space and the second space. The refrigerant gas discharged from the discharge port flows from the first space through the communication passage to the second space. The fixed scroll has a guide portion. The guide portion changes the direction of the refrigerant gas flowing from the first space to the communication passage.

With this scroll compressor, the guide portion changes the direction of the refrigerant gas flowing from the first space to the communication passage, reducing the pressure loss when the refrigerant gas enters the communication passage. This improves the efficiency of the scroll compressor.

The scroll compressor of the second aspect is the scroll compressor of the first aspect, and the guide portion is a convex portion that protrudes from the surface of the fixed scroll near the communication passage.

Here, the direction of the refrigerant gas flowing along the surface of the fixed scroll in the first space can be changed by the convex portion toward the communicating passage.

The scroll compressor of the third aspect is the scroll compressor of the first aspect, in which the fixed scroll has a first outer peripheral surface and a second outer peripheral surface. The first outer peripheral surface is fixed to the casing. The second outer peripheral surface is located radially inward of the first outer peripheral surface. The guide portion is a convex portion that protrudes radially outward from the second outer peripheral surface.

Here, the direction of the refrigerant gas flowing through the first space along the second outer peripheral surface of the fixed scroll can be changed by the convex portion toward the communicating passage.

The scroll compressor of the fourth aspect is the scroll compressor of the third aspect, in which the guide portion is integrally formed on the surface of the fixed scroll.

Here, the guide portion is formed integrally with the fixed scroll, so the direction of the refrigerant gas can be changed without the need to provide a part that functions as a guide portion separately from the fixed scroll.

The scroll compressor of the fifth aspect is the scroll compressor of the third aspect, in which the guide portion is attached to the surface of the fixed scroll.

Here, a guide section is provided separately from the fixed scroll, and this guide section is attached to the surface of the fixed scroll. This allows the shape and surface roughness of the guide section to be freely determined, making it possible to smoothly change the direction of the refrigerant gas.

The scroll compressor of the sixth aspect is the scroll compressor of any one of the third aspect to the fifth aspect, in which the first space includes a discharge space adjacent to the discharge port and an annular space between the second outer circumferential surface and the casing. The guide portion has a guide surface. The guide surface is struck by the refrigerant gas that flows in a circumferential direction in the annular space after being discharged from the discharge port to the discharge space. The guide surface changes the direction of the refrigerant gas so that the flow of the refrigerant gas that is directed in the circumferential direction is directed toward the communication passage.

The scroll compressor of the seventh aspect is the scroll compressor of the sixth aspect, and the guide portion has a first guide surface and a second guide surface as guide surfaces. The first guide surface is struck by the refrigerant gas flowing clockwise through the annular space. The second guide surface is struck by the refrigerant gas flowing counterclockwise through the annular space.

Here, even if the refrigerant gas flowing from the discharge space to the annular space is divided into two directions, clockwise and counterclockwise, the directions of both refrigerant gases can be guided to the communication passage by the first guide surface and the second guide surface.

The scroll compressor of the eighth aspect is the scroll compressor of the sixth or seventh aspect, further comprising a motor that drives the movable scroll. The guide surface is inclined with respect to a first imaginary line when viewed in the direction of the rotation shaft of the motor, and is also inclined with respect to a second imaginary line that is perpendicular to the first imaginary line. The first imaginary line is a line that connects the center of the discharge port and the center of the communication passage when viewed in the direction of the rotation shaft of the motor.

The scroll compressor of the ninth aspect is the scroll compressor of any one of the third aspect to the eighth aspect, in which an inwardly recessed groove is formed on the first outer peripheral surface. The communication passage is formed by the groove and a casing that covers the groove.

The scroll compressor of the tenth aspect is the scroll compressor of the sixth aspect, further comprising a motor that drives the movable scroll and a suction section. At least a portion of the suction section is disposed in the annular space. The refrigerant gas to be sucked into the compression mechanism flows through the suction section. When viewed in the direction of the rotation shaft of the motor, the center of the guide section is located on the suction section side of a first imaginary line connecting the center of the discharge port and the center of the communication passage, of both sides of the first imaginary line.

Here, at least a portion of the suction section is disposed in the annular space through which refrigerant gas flows in the circumferential direction. Therefore, when viewed from the communication passage, the amount of refrigerant gas flowing into the annular space from the space on the side where the suction section is located is greater than the amount of refrigerant gas flowing into the annular space from the space on the side where the suction section is located. In view of this, the center of the guide section is positioned closer to the suction section.

The refrigeration cycle device of an eleventh aspect includes a scroll compressor of any one of the first to tenth aspects and a refrigerant circuit. A refrigerant circulates in the refrigerant circuit. The refrigerant is discharged from the scroll compressor and sucked into the scroll compressor in the refrigerant circuit.

Here, by improving the efficiency of the scroll compressor, it is possible to achieve energy savings in the refrigeration cycle device.

FIG. 1 is a schematic diagram of a refrigeration cycle device. FIG. 2 is a vertical cross-sectional view of a scroll compressor. FIG. 2 is a perspective view of the scroll compressor excluding a cover portion and a cylindrical portion of the casing. 2 is an enlarged perspective view of a portion of the scroll compressor excluding a lid portion and a cylindrical portion of the casing. FIG. FIG. 2 is a perspective view of the fixed scroll as viewed obliquely from below. FIG. 2 is a vertical cross-sectional view of a fixed scroll. 2 is a perspective view of the scroll compressor excluding the casing cover, as viewed obliquely from above. FIG. FIG. 2 is a top view of the scroll compressor excluding the casing cover. IX-IX cross-sectional view of FIG. 2, in which the flow of refrigerant gas is indicated by dashed arrows.

(1) Configuration of the refrigeration cycle device A schematic configuration of a refrigeration cycle device 1 equipped with a scroll compressor 7 is shown in FIG. 1. The refrigeration cycle device 1 of this embodiment is an air-conditioning device, and performs cooling and heating of the interior of a building or the like by performing a vapor compression refrigeration cycle. As shown in FIG. 1, the refrigeration cycle device 1 includes a scroll compressor 7 and a refrigerant circuit 6. The refrigerant circuit 6 is configured by connecting an outdoor unit 2 and an indoor unit 3 via a liquid refrigerant connection pipe 4 and a gas refrigerant connection pipe 5. A single refrigerant such as R32 or a mixed refrigerant such as R454C is sealed in the refrigerant circuit 6. The refrigerant circulates in the refrigerant circuit 6, is discharged from the scroll compressor 7, and is sucked into the scroll compressor 7.

The outdoor unit 2 is installed outdoors. The outdoor unit 2 mainly has equipment incorporated into the refrigerant circuit 6. The equipment incorporated into the refrigerant circuit 6 includes a scroll compressor 7, a four-way switching valve 10, an outdoor heat exchanger 11, an expansion valve 12, a liquid-side shutoff valve 13, and a gas-side shutoff valve 14. The outdoor unit 2 also has an outdoor fan 15 and other equipment that is not incorporated into the refrigerant circuit 6.

The indoor unit 3 is installed indoors. The indoor unit 3 mainly has an indoor heat exchanger 19 that is incorporated into the refrigerant circuit 6.

The liquid refrigerant connection pipe 4 and the gas refrigerant connection pipe 5 that constitute the refrigerant circuit 6 are pipes through which the refrigerant flows. One end of the liquid refrigerant connection pipe 4 is connected to the liquid side shutoff valve 13 of the outdoor unit 2, and the other end of the liquid refrigerant connection pipe 4 is connected to the liquid side refrigerant piping of the indoor heat exchanger 19 of the indoor unit 3. One end of the gas refrigerant connection pipe 5 is connected to the gas side shutoff valve 14 of the outdoor unit 2, and the other end of the gas refrigerant connection pipe 5 is connected to the gas side refrigerant piping of the indoor heat exchanger 19 of the indoor unit 3.

In this embodiment, a refrigeration cycle device 1 is shown in which one indoor unit 3 is connected to one outdoor unit 2, but even in a so-called multi-type refrigeration cycle device in which multiple indoor units are connected to one outdoor unit, the efficiency can be improved by adopting the scroll compressor according to this embodiment.

(2) Configuration of Scroll Compressor The scroll compressor 7 is a high-pressure dome type compressor. As shown in Fig. 2, the scroll compressor 7 mainly includes a casing 20, a compression mechanism 30, a housing 40, a motor 50, a crankshaft 60, a suction pipe 70, and a discharge pipe 80. In the scroll compressor 7, a low-temperature, low-pressure refrigerant supplied from the suction pipe 70 into the casing 20 is compressed by the compression mechanism 30, and a high-temperature, high-pressure refrigerant is discharged from the discharge pipe 80.

(2-1) Casing The casing 20 is a metal structure whose internal space is kept airtight, and mainly houses the compression mechanism 30, the housing 40, the motor 50, and the crankshaft 60. The casing 20 has a cylindrical portion 21, a lid portion 22, and a bottom portion 23.

A discharge pipe 80 is attached to the cylindrical portion 21. The discharge pipe 80 passes through the cylindrical portion 21 and is fixed to the cylindrical portion 21 so as to ensure airtightness of the casing 20.

The suction pipe 70 is attached to the lid portion 22 so that it extends vertically.

As shown in FIG. 2, the internal space of the casing 20 is divided by the compression mechanism 30 into an upper first space S10 and a lower second space S20.

(2-2) Compression mechanism The compression mechanism 30 is a mechanism that compresses refrigerant gas and discharges high-pressure refrigerant gas from a discharge port 101a, and is supported and accommodated in the housing 40. The compression mechanism 30 mainly includes a fixed scroll 100 and a movable scroll 160. The fixed scroll 100 is fixed to the inner circumferential surface of the cylindrical portion 21 of the casing 20, and includes a fixed-side wrap 102 and the like. The movable scroll 160 includes a cylindrical boss portion 161 and a movable-side wrap 162. In the compression mechanism 30, the fixed-side wrap 102 of the fixed scroll 100 and the movable-side wrap 162 of the movable scroll 160 are combined so as to mesh with each other, thereby forming a compression chamber 30a. The volume of the compression chamber 30a changes periodically due to the orbital motion of the movable scroll 160. As a result, the refrigerant gas introduced into the compression chamber 30a from the suction pipe 70 is compressed. The refrigerant gas compressed in the compression chamber 30a is discharged into a first space S10 which is an upper space of the internal space of the casing 20.

The fixed scroll 100 has a first communication passage P1 that connects the first space S10 and the second space S20. The refrigerant gas discharged from the discharge port 101a flows from the first space S10 through the first communication passage P1 and a second communication passage P2 (described later) to the second space S20.

Details of the first communication passage P1, as well as the suction section 103 and guide section 105 of the fixed scroll 100 will be described later.

(2-3) Housing The housing 40 is disposed below the compression mechanism 30 and above the motor 50. The outer peripheral surface of the housing 40 is joined to the inner peripheral surface of the casing 20. The inner peripheral portion of the housing 40 serves as a bearing for supporting the crankshaft 60, which will be described later. An inwardly recessed groove 40c is formed in the outer peripheral surface 40a of the housing 40 (see FIGS. 3 and 4). A second communication passage P2 is formed by this groove 40c and the inner peripheral surface of the cylindrical portion 21 of the casing 20 that covers the groove 40c. The second communication passage P2 is located directly below the first communication passage P1, and serves as a passage for flowing the refrigerant gas from the first space S10 to the second space S20.

(2-4) Motor The motor 50 is a three-phase brushless DC motor disposed below the housing 40. The motor 50 is disposed in the second space S20, which is a lower space of the internal space of the casing 20. The motor 50 mainly has a stator 51 and a rotor 52.

The motor 50 drives the movable scroll 160 of the compression mechanism 30 via the crankshaft 60. When the rotor 52 rotates around the rotation center axis 50a, the eccentric pin 61 of the crankshaft 60 orbits the movable scroll 160.

(2-5) Crankshaft The crankshaft 60 is integral with the rotor 52, vertically penetrating the center of the rotor 52. An eccentric pin 61 at the upper end of the crankshaft 60 is fitted into a boss portion 161 of the movable scroll 160. This causes the rotation of the crankshaft 60 to be transmitted to the movable scroll 160, causing the movable scroll 160 to orbit.

(2-6) Suction Pipe The suction pipe 70 penetrates the upper surface of the casing 20 (the upper surface of the cover portion 22) in the vertical direction. The lower part of the suction pipe 70 is connected to a suction section 103 of the fixed scroll 100, which will be described later. The internal spaces of the suction pipe 70 and the suction section 103 are in communication with the compression chamber 30a. Outside the casing 20, the suction pipe 70 is connected to a refrigerant piping extending from the first port 10a of the four-way switching valve 10.

(2-7) Discharge Pipe The discharge pipe 80 penetrates the side surface of the casing 20 in a substantially horizontal direction at a position slightly higher than the motor 50. An end of the discharge pipe 80 is located in the second space S20 of the casing 20. Outside the casing 20, the discharge pipe 80 is connected to a refrigerant piping extending from the second port 10b of the four-way switching valve 10.

(3) Detailed structure of the fixed scroll of the scroll compressor and its surroundings In addition to the fixed side wrap 102 described above, the fixed scroll 100 has a disk-shaped end plate portion 101, a suction portion 103, and an annular outer peripheral portion 104, as shown in Figures 2 to 9.

(3-1) End Plate The end plate 101 is a part that forms the compression chamber 30a together with the fixed side wrap 102, and the lower surface of the end plate 101 becomes the upper surface of the compression chamber 30a (see FIG. 6). The fixed side wrap 102 is formed so as to protrude downward from the lower surface of the end plate 101. A discharge port 101a is opened in the center of the end plate 101.

(3-2) Suction Section The suction section 103 is disposed so as to straddle the end plate section 101 and the outer circumferential section 104 in a plan view (as viewed in the direction of the central axis of rotation 50a). The suction section 103 is a cylindrical section extending upward from the end plate section 101 and a part of the outer circumferential section 104. As shown in Fig. 2, the lower end of the suction pipe 70 is inserted into the inner circumferential surface 103a of the suction section 103 shown in Fig. 6. The low-pressure refrigerant gas flowing through the suction pipe 70 passes through the suction section 103 and is sucked into the compression chamber 30a.

(3-3) Outer Circumference Portion The outer circumferential portion 104 is an annular portion extending downward from the outer circumferential end portion 101b of the end plate portion 101, as shown in Fig. 6. The outer circumferential portion 104 has a first outer circumferential surface 104a fixed to the casing 20, and a second outer circumferential surface 104b. The first outer circumferential surface 104a is fixed to the inner circumferential surface of the cylindrical portion 21 of the casing 20, as shown in Figs. 6 and 8. The second outer circumferential surface 104b is located radially inside the first outer circumferential surface 104a. The second outer circumferential surface 104b is located above the first outer circumferential surface 104a, and as shown in Fig. 6, the longitudinal section of the second outer circumferential surface 104b forms a smooth curved line.

The first outer peripheral surface 104a has an inwardly recessed groove 104c. The first communication passage P1 is formed by the groove 104c and the inner peripheral surface of the cylindrical portion 21 of the casing 20 that covers the groove 104c.

2 and 6, the first space S10 above the compression mechanism 30 includes a discharge space S11 located above the upper surface of the end plate portion 101, and an annular space S12 that is an annular space radially outside the second outer peripheral surface 104b. The discharge space S11 is a space adjacent to the discharge port 101a, and the refrigerant gas discharged from the discharge port 101a first flows into the discharge space S11 as shown by the dashed arrow in FIG. 6. The annular space S12 is a space between the second outer peripheral surface 104b of the fixed scroll 100 and the casing 20. A part of the suction portion 103 is disposed in the annular space S12.

(3-4) Guide portion The fixed scroll 100 further includes a guide portion 105. The guide portion 105 changes the direction of the refrigerant gas flowing from the first space S10 to the first communication passage P1. Specifically, the guide portion 105 changes the direction of the refrigerant gas flowing from the discharge port 101a to the discharge space S11, and from the discharge space S11 to the annular space S12 as shown by the dashed arrow in FIG. 9, in the annular space S12 in the clockwise and counterclockwise directions toward the first communication passage P1, in the vicinity of the first communication passage P1. The guide portion 105 includes a first guide surface 105a and a second guide surface 105b. The refrigerant gas flowing clockwise in the annular space S12 hits the first guide surface 105a. The refrigerant gas flowing counterclockwise in the annular space S12 hits the second guide surface 105b. Guide surfaces 105a, 105b change the direction of the refrigerant gas so that the flow of the refrigerant gas in the circumferential direction is directed toward first communication passage P1, as indicated by the dashed arrow in FIG.

Specifically, the guide portion 105 is a convex portion that protrudes radially outward from the second outer circumferential surface 104b of the outer circumferential portion 104 of the fixed scroll 100 in the vicinity of the first communication passage P1. In this embodiment, the guide portion 105 is integrally formed on the surface of the fixed scroll 100.

As shown in FIG. 9, the guide surfaces 105a and 105b are inclined with respect to a first imaginary straight line V1 and a second imaginary straight line V2 in a plan view (viewed in the direction of the rotation center axis 50a). In a plan view, the first imaginary straight line V1 is a straight line connecting the center of the discharge port 101a and the center of the first communication passage P1. The second imaginary straight line V2 is a straight line perpendicular to the first imaginary straight line V1. In a plan view, the center of the guide portion 105 is located on the suction portion 103 side of the first imaginary straight line V1, as shown in FIG. 9.

(4) Features (4-1)
In the scroll compressor 7, the guide portion 105 changes the direction of the refrigerant gas flowing from the first space S10 to the first communication passage P1. Specifically, the refrigerant gas flowing along the second outer peripheral surface 104b of the fixed scroll 100 in the annular space S12 of the first space S10 hits the guide surfaces 105a, 105b formed on the convex portion protruding radially outward from the second outer peripheral surface 104b, and the direction of the refrigerant gas changes to the direction toward the first communication passage P1. This makes it possible to reduce the pressure loss when the refrigerant gas enters the first communication passage P1. Therefore, the efficiency of the scroll compressor 7 is improved, and the energy saving of the refrigeration cycle device 1 is realized.

(4-2)
In the scroll compressor 7, the guide portion 105 is a part of the fixed scroll 100, and the guide portion 105 is formed integrally with each part of the fixed scroll 100. Specifically, a convex portion protruding radially outward from the second outer circumferential surface 104b serves as the guide portion 105. For this reason, it is not necessary to provide a part that functions as the guide portion separately from the fixed scroll, and the direction of the refrigerant gas can be changed by the guide portion 105 formed on the surface of the fixed scroll 100.

(4-3)
The scroll compressor 7 is configured such that the refrigerant gas flowing from the discharge space S11 to the annular space S12 is divided into two flows in a clockwise direction and a counterclockwise direction. Here, both of these circumferential flows of the refrigerant gas can be guided to the first communication passage P1 by the first guide surface 105a and the second guide surface 105b.

(4-4)
In the scroll compressor 7, a part of the suction portion 103 is disposed in the annular space S12 through which the refrigerant gas flows in the circumferential direction. Therefore, as can be seen from Fig. 9, the amount of refrigerant gas flowing from the space on the side of the annular space S12 where the suction portion 103 is not present is greater than the amount of refrigerant gas flowing from the space on the side where the suction portion 103 is present, as viewed from the first communication passage P1. In consideration of the difference in the amount of refrigerant gas flowing into the first communication passage P1, in the scroll compressor 7, the center of the guide portion 105 is moved closer to the suction portion 103. This makes it possible to further reduce the pressure loss when the refrigerant gas enters the first communication passage P1.

(5) Modifications (5-1) Modification 1A
In the scroll compressor 7 of the above embodiment, the guide portion 105 is formed integrally with each portion of the fixed scroll 100 .

As an alternative to this configuration, the guide portion may be prepared separately from the fixed scroll and attached to the surface of the fixed scroll. In this configuration, the shape and surface roughness of the guide portion can be freely determined without being restricted by the shape and surface roughness of the fixed scroll.

(5-2) Modification 1B
Although the embodiments of the present disclosure have been described above, it will be understood that various changes in form and details can be made without departing from the spirit and scope of the present disclosure described in the claims.

Reference Signs List 1 Refrigeration cycle device 6 Refrigerant circuit 7 Scroll compressor 20 Casing 30 Compression mechanism 50 Motor 50a Rotation central shaft (rotation shaft of motor)
REFERENCE SIGNS LIST 100 Fixed scroll 101a Discharge port 103 Suction portion 104a First outer peripheral surface 104b Second outer peripheral surface 104c Groove 105 Guide portion 105a First guide surface 105b Second guide surface 160 Movable scroll P1 First communication passage S10 First space S11 Discharge space S12 Annular space S20 Second space V1 First imaginary straight line V2 Second imaginary straight line

JP 2022-19554 A

Claims (10)

a compression mechanism (30) having a movable scroll (160) and a fixed scroll (100) and discharging a refrigerant gas from a discharge port (101a);
a casing (20) that houses the compression mechanism and has an internal space that is divided into a first space (S10) and a second space (S20) by the compression mechanism;
Equipped with
A communication passage (P1) that communicates between the first space and the second space is formed in the fixed scroll,
The refrigerant gas discharged from the discharge port flows from the first space through the communication passage to the second space,
The fixed scroll has a guide portion (105) that changes the direction of the refrigerant gas flowing from the first space to the communication passage ,
The fixed scroll (100) has a first outer peripheral surface (104a) fixed to the casing and a second outer peripheral surface (104b) located radially inward of the first outer peripheral surface,
The first space includes an annular space (S12) that is an annular space radially outward of the second outer peripheral surface (104b),
The guide portion (105) is a convex portion that protrudes radially outward from the second outer peripheral surface and changes the flow direction of the refrigerant gas flowing in the clockwise direction and the counterclockwise direction in the annular space (S12) in the vicinity of the communication passage (P1).
Scroll compressor (7). The guide portion (105) is a convex portion protruding from a surface of the fixed scroll in the vicinity of the communication passage.
2. The scroll compressor according to claim 1. The guide portion (105) is integrally formed on the surface of the fixed scroll.
The scroll compressor according to claim 1 or 2 . The guide portion is attached to a surface of the fixed scroll.
The scroll compressor according to claim 1 or 2 . The first space (S10) further includes a discharge space (S11) adjacent to the discharge port,
the guide portion (105) has guide surfaces (105a, 105b) against which the refrigerant gas flows in a circumferential direction in the annular space after being discharged from the discharge port into the discharge space comes into contact,
The guide surface changes the direction of the refrigerant gas so that the flow of the refrigerant gas directed in the circumferential direction is directed toward the communication passage.
The scroll compressor according to any one of claims 1 to 4 . The guide portion (105) has, as the guide surface, a first guide surface (105a) against which the refrigerant gas flowing clockwise in the annular space hits, and a second guide surface (105b) against which the refrigerant gas flowing counterclockwise in the annular space hits,
The scroll compressor according to claim 5 . A motor (50) for driving the movable scroll;
Further equipped with
The guide surfaces (105a, 105b) are inclined with respect to a first imaginary line (V1) connecting the center of the discharge port and the center of the communication passage when viewed in the direction of the rotation shaft (50a) of the motor, and are also inclined with respect to a second imaginary line (V2) perpendicular to the first imaginary line.
The scroll compressor according to claim 5 or 6 . The first outer circumferential surface (104a) is formed with an inwardly recessed groove (104c),
The communication passage (P1) is formed by the groove and the casing covering the groove.
The scroll compressor according to any one of claims 1 to 7 . A motor (50) for driving the movable scroll;
an intake section (103) at least a portion of which is disposed in the annular space and through which the refrigerant gas to be sucked into the compression mechanism flows;
Further equipped with
When viewed in the direction of the rotation shaft (50a) of the motor, the center of the guide portion (105) is located on the suction portion (103) side of a first imaginary line (V1) connecting the center of the discharge port and the center of the communication passage, of both sides of the first imaginary line.
The scroll compressor according to claim 5 . A scroll compressor (7) according to any one of claims 1 to 9 ;
a refrigerant circuit (6) in which a refrigerant discharged from the scroll compressor and sucked into the scroll compressor circulates;
A refrigeration cycle device (1).

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