WO2024078123A1 - Carter de compresseur, compresseur et appareil de chauffage et de ventilation - Google Patents

Carter de compresseur, compresseur et appareil de chauffage et de ventilation Download PDF

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Publication number
WO2024078123A1
WO2024078123A1 PCT/CN2023/113265 CN2023113265W WO2024078123A1 WO 2024078123 A1 WO2024078123 A1 WO 2024078123A1 CN 2023113265 W CN2023113265 W CN 2023113265W WO 2024078123 A1 WO2024078123 A1 WO 2024078123A1
Authority
WO
WIPO (PCT)
Prior art keywords
peripheral wall
cover plate
partition plate
compressor
casing
Prior art date
Application number
PCT/CN2023/113265
Other languages
English (en)
Chinese (zh)
Inventor
黄锡槿
李小雷
纪高锋
孙苏川
Original Assignee
广东美芝制冷设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东美芝制冷设备有限公司 filed Critical 广东美芝制冷设备有限公司
Publication of WO2024078123A1 publication Critical patent/WO2024078123A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14—Provisions for readily assembling or disassembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Definitions

  • the present application relates to the technical field of compressors, and in particular to a compressor housing, a compressor having the housing, and a HVAC device having the compressor.
  • a boss is arranged on the outer peripheral wall of the compressor partition plate, and the lower end surface of the boss is overlapped and positioned with the upper end surface of the lower shell, and the upper end surface of the boss is overlapped with the upper cover. Since the outer diameter of the upper cover is larger than the outer diameter of the lower shell, it is not conducive to the compatibility of the production line.
  • the present application aims to solve one of the technical problems in the related art to at least some extent.
  • one purpose of the present application is to provide a compressor housing, which can improve the structural stability of the housing and facilitate assembly and welding by stacking a partition plate, a cover plate and a casing, and having a gap between the upper end of the casing and the lower end of the cover plate to expose the outer peripheral surface of the partition plate.
  • Another object of the present application is to provide a compressor, comprising the aforementioned compressor housing.
  • Another object of the present application is to provide a HVAC equipment, including the aforementioned compressor.
  • the shell includes a casing, a partition plate and a cover plate, the partition plate cover is at the upper end opening of the casing, and the cover plate cover is arranged on the outer side of the partition plate, the upper end of the peripheral wall of the casing is stacked on the outer side of the outer peripheral surface of the partition plate, the lower end of the peripheral wall of the cover plate is stacked on the outer side of the outer peripheral surface of the partition plate, the upper end of the casing and the lower end of the cover plate have a gap to leak the outer peripheral surface of the partition plate, and at least a part of the outer peripheral surface of the peripheral wall of the cover plate is projected downwardly on the inner side of the outer peripheral surface of the upper end of the peripheral wall of the casing.
  • the partition plate, the cover plate and the casing are stacked, and a gap is provided between the upper end of the casing and the lower end of the cover plate to expose the outer peripheral surface of the partition plate, thereby improving the structural stability of the shell and facilitating assembly and welding.
  • housing of the compressor according to the above embodiment of the present application may also have the following additional technical features:
  • the outer peripheral surface of the partition plate includes a first face portion, a first step surface, and a second face portion, the first step surface is connected between the first face portion and the second face portion, and the downward projection of the first face portion is located on the inner side of the second face portion, the lower end of the peripheral wall of the cover plate is stacked on the outer side of the first face portion, and the upper end of the peripheral wall of the casing is stacked on the outer side of the second face portion.
  • the first step surface is higher than an upper end of a peripheral wall of the housing.
  • the lower end of the peripheral wall of the cover plate is supported on the first step surface.
  • the peripheral wall of the casing includes a cylindrical portion and an upper end portion, the upper end portion is connected to the upper end of the cylindrical portion and expands outward relative to the cylindrical portion, and a second step surface is formed between the inner peripheral surface of the upper end portion and the inner peripheral surface of the cylindrical portion, and the partition plate is supported on the second step surface.
  • At least a portion of the upper end portion is configured to be gradually expanded from bottom to top.
  • the upper end surface of the upper end portion is parallel to the second step surface, and both are perpendicular to the axis of the housing.
  • a gap is formed between the upper end of the peripheral wall of the casing and the outer peripheral surface of the partition plate, and the upper end of the gap is open.
  • the outer side of the lower end of the peripheral wall of the cover plate has a chamfered structure to construct a gradually shrinking inclined surface from top to bottom on the outer peripheral surface of the lower end of the peripheral wall of the cover plate.
  • the inclination angle of the slope relative to the axis of the cover plate is not greater than 30°.
  • the compressor according to the embodiment of the present application includes the shell of the aforementioned compressor.
  • the structural stability of the compressor can be improved, and it is convenient for assembly and helps to reduce the assembly space.
  • the HVAC equipment according to the embodiment of the present application includes the aforementioned compressor.
  • the HVAC equipment of the embodiment of the present application by applying the aforementioned compressor to the HVAC equipment, it is helpful to reduce the manufacturing cost of the HVAC equipment.
  • FIG. 1 is a schematic diagram of the structure of a compressor in some embodiments of the present application.
  • FIG. 2 is an enlarged view of the circle A in FIG. 1 .
  • FIG. 3 is a schematic diagram of a partial structure of a partition plate in some embodiments of the present application.
  • FIG. 4 is a schematic diagram of a partial structure of a compressor in the related art.
  • the shell of the compressor includes a casing 10, a partition plate 30 and a cover plate 20, the partition plate 30 covers the upper opening of the casing 10, and the cover plate 20 is covered on the outer side of the partition plate 30, that is, the partition plate 30 can separate the casing 10 and the cover plate 20, and during assembly, the partition plate 30 can provide support for the casing 10 and the cover plate 20, and is convenient for positioning, and can also separate a sealed chamber in the casing.
  • the upper end of the peripheral wall of the casing 10 is stacked on the outer side of the outer peripheral surface of the partition plate 30, and the lower end of the peripheral wall of the cover plate 20 is stacked on the outer side of the outer peripheral surface of the partition plate 30, which can improve the stability of the connection, and the upper end of the casing 10 and the lower end of the cover plate 20 have a gap, which can expose the outer peripheral surface of the partition plate 30, thereby improving the stability of the connection between the partition plate 30, the cover plate 20 and the casing 10.
  • the stability of the cover plate 20, the partition plate 30 and the casing 10 can be improved.
  • the cover plate 20 is covered above the casing 10, and the outer diameter of the cover plate 20 is smaller than the outer diameter of the casing 10, which is conducive to vertical welding, has little restriction on the assembly space, and is conducive to improving the compatibility of the diversified production lines of the compressor 100.
  • the partition plate 30 is stacked with the cover plate 20 and the casing 10, and a gap is provided between the upper end of the casing 10 and the lower end of the cover plate 20 to expose the outer peripheral surface of the partition plate 30, thereby improving the structural stability of the shell and facilitating assembly and welding.
  • the outer peripheral surface of the partition plate 30 includes a first face portion 31, a first step surface 34, and a second face portion 32, the first step surface 34 is connected between the first face portion 31 and the second face portion 32, and the downward projection of the first face portion 31 is located inside the second face portion 32, the lower end of the peripheral wall of the cover plate 20 is stacked on the outside of the first face portion 31, and the upper end of the peripheral wall of the housing 10 is stacked on the outside of the second face portion 32.
  • the first step surface 34 is suitable for supporting the lower end of the cover plate 20, the first face portion 31 is suitable for cooperating with the peripheral wall of the cover plate 20, increasing the contact area between the cover plate 20 and the partition plate 30, and improving the cooperating stability; and the second face portion 32 is stacked with the upper end of the peripheral wall of the housing 10, which can improve the cooperating effect between the housing 10 and the partition plate 30.
  • a first step surface 34 is constructed between the first face portion 31 and the second face portion 32, and the first step surface 34 is used to overlap or support the lower end of the cover plate 20.
  • the first face portion 31 and the second face portion 32 are used to be stacked with the cover plate 20 and the housing 10 to improve structural stability.
  • the width of the first step surface 34 may be no less than the width of the lower circumferential surface of the lower end of the cover plate 20, which can improve the supporting effect and welding strength.
  • the first step surface 34 is higher than the upper end of the peripheral wall of the housing 10, so that the housing 10 can avoid blocking the partition plate 30, and the assembly effect can be improved.
  • the lower end of the peripheral wall of the cover plate 20 is supported on the first step surface 34.
  • the lower end of the peripheral wall of the cover plate 20 is supported on the first step surface 34, and the first step surface 34 is higher than the upper end of the peripheral wall of the housing 10.
  • the cover plate 20, the partition plate 30 and the housing 10 are arranged in sequence around the first step surface 34 in the up-down direction, which facilitates the welding of the partition plate 30, the cover plate 20 and the housing 10 together, which is conducive to improving the structural stability.
  • the peripheral wall of the housing 10 includes a barrel portion 11 and an upper end portion 13, the upper end portion 13 is connected to the upper end of the barrel portion 11, and expands outward relative to the barrel portion 11, and a second step surface 12 is formed between the inner peripheral surface of the upper end portion 13 and the inner peripheral surface of the barrel portion 11, and the partition plate 30 is supported on the second step surface 12, which can improve the stability of the matching between the housing 10 and the partition plate 30.
  • a step surface suitable for supporting or overlapping the partition plate 30 can be formed between the barrel portion 11 and the upper end portion 13, and the inner peripheral wall of the upper end surface can be overlapped or fitted with the outer peripheral wall or the second surface portion 32 of the partition plate 30, which is conducive to increasing the matching area and can further improve the matching stability.
  • At least a portion of the upper end portion 13 is configured to be gradually expanded from bottom to top, so as to facilitate manufacturing and assembly.
  • the outer peripheral surface of the upper end portion 13 may extend linearly in the up-down direction, or the outer peripheral surface of the upper end portion 13 may be configured to fit with the outer peripheral wall of the partition plate 30 to improve structural stability.
  • the outer peripheral surface of the partition plate 30 may also include a third surface 33 (or positioning surface), the third surface 33 is connected to the second surface 32, the third surface 33 is supported on the second step surface 12, and the distance between the third surface 33 and the first step surface 34 is greater than or equal to 5 mm, which can avoid the third surface 33 from being deformed by welding heat and affecting the overlap or support effect of the third surface 33 and the second step surface 12.
  • a third surface 33 or positioning surface
  • the upper end surface of the upper end portion 13 is parallel to the second step surface 12 and is perpendicular to the axis of the casing 10, which can improve the structural stability, help improve the supporting effect of the second step surface 12 on the partition plate 30, and help improve the welding effect.
  • the inner peripheral wall of the upper end portion 13 can be in an arc shape that gradually expands outward, which is conducive to improving structural stability, and there is a gap between the outer peripheral wall or the second surface portion 32 of the partition plate 30 and the inner side wall of the upper end portion 13.
  • the molten material during welding can enter the gap without overflowing, which is conducive to improving the welding effect and aesthetics.
  • the gap between the upper end of the peripheral wall of the housing 10 and the lower end of the peripheral wall of the cover plate 20 may be 0.64 mm or 0.8 mm, etc.
  • the gap between the upper end of the peripheral wall of the housing 10 and the lower end of the peripheral wall of the cover plate 20 may also be set to a form less than 0.5 mm or greater than 2.5 mm, such as 1 mm or 3 mm, etc., according to actual conditions, and the present application is not limited thereto.
  • the outer side of the lower end of the peripheral wall of the cover plate 20 has a chamfered structure, so that a gradually shrinking inclined surface from top to bottom is constructed on the outer peripheral surface of the lower end of the peripheral wall of the cover plate 20, which can provide space for assembly and facilitate welding operations. Especially in vertical welding, the space occupied by the production line can be reduced, which is conducive to the miniaturization of the production line.
  • the inclination angle of the inclined surface relative to the axis of the cover plate 20 is not greater than 30°, so as to provide operating space for vertical welding and improve the compatibility of the production line.
  • the compressor 100 includes the aforementioned compressor shell.
  • the structural stability of the compressor 100 can be improved, and it is convenient for assembly and helps to reduce the assembly space.
  • the compressor 100 comprises a first scroll, a second scroll and the aforementioned housing.
  • the compressor 100 performs a gyratory motion by the rotation of the rotating shaft.
  • the second scroll is arranged on one side of the first scroll.
  • the partition plate 30 is located above the second scroll.
  • the casing 10 is located outside the second scroll.
  • the cover plate 20 is located above the partition plate 30.
  • the casing 10 has an upper end 13 at the upper part.
  • the upper end surface of the upper end 13 is parallel to the second step surface 12.
  • the second step surface 12 of the casing 10 overlaps the partition plate 30 and radially constrains the partition plate 30.
  • the lower end surface of the partition plate 30 has a positioning function (i.e., the third face 33).
  • the first step surface 34 of the partition plate 30 is higher than the upper end surface of the casing 10.
  • the lower end surface of the cover plate 20 overlaps the first step surface 34 of the partition plate 30.
  • the outer diameter of the cover plate 20 is smaller than the outer diameter of the upper end surface of the casing 10, which is conducive to the welding and assembly of the compressor 100.
  • the upper end portion 13 is provided on the upper part of the casing 10, so that the positioning (supporting) surface of the partition plate 30 is separated from the welding part, and the assembly accuracy of the compressor 100 can be ensured.
  • the casing of the compressor is suitable for vertical welding, which can ensure the welding quality, occupy a small space, and facilitate the miniaturization and generalization of the scroll compressor 100 production equipment.
  • the HVAC equipment includes the aforementioned compressor 100.
  • the manufacturing cost of the HVAC equipment is reduced.
  • a compressor housing and a compressor 100 having the housing according to a specific embodiment of the present application will be described below with reference to the accompanying drawings.
  • the scroll compressor 100 utilizes an orbiting scroll with a spiral wrap and a fixed scroll with a spiral wrap, the movable scroll performs an orbiting motion relative to the fixed scroll, and when the movable scroll and the fixed scroll engage with each other, as the movable scroll performs an orbiting motion, the capacity of the pressure chamber formed between the movable scroll and the fixed scroll is reduced. Therefore, the pressure of the fluid in the pressure chamber can be increased, and the fluid is discharged from the discharge port 101 formed in the central part of the fixed scroll.
  • a back pressure regulating chamber is formed on the fixed scroll, and the back pressure chamber having an intermediate pressure between the discharge pressure and the suction pressure can be formed on the upper end surface of the fixed scroll.
  • the partition plate 30 of the low-pressure cavity scroll compressor 100 is located above the fixed disk, which can play a sealing role.
  • a boss 1' is set on the outer peripheral wall of the partition plate.
  • the width of the boss 1' is about 2.5mm.
  • the lower end face of the boss 1' overlaps and positions with the upper end face of the lower shell 3'.
  • the upper end face of the boss 1' overlaps the upper cover 2'. Since the outer diameter of the upper cover 2' is larger than the outer diameter of the lower shell 3', vertical welding cannot be achieved, which is not conducive to the compatibility of the production line. Most of them are handled by horizontal welding.
  • the horizontal welding equipment occupies a large space, which is not conducive to the miniaturization of the production line.
  • the distance of the boss 1' is short, and it is easy to be deformed by the influence of hot melting during welding, thereby reducing the stability of the structure.
  • the compressor 100 includes a movable scroll, a fixed scroll and a casing.
  • the movable scroll has a base plate and a scroll tooth connected to the base plate.
  • the fixed scroll and the movable scroll together form a suction chamber, an intermediate pressure chamber and a discharge chamber.
  • the housing includes a casing 10, a cover plate 20 and a partition plate 30.
  • the casing 10 includes a cylinder 11 and an upper end 13 and expands outward relative to the cylinder 11.
  • the upper end 13 is connected to the upper end of the cylinder 11, and a second step surface 12 is constructed between the inner circumference of the upper end 13 and the inner circumference of the cylinder 11.
  • the partition plate 30 includes a first face 31, a first step surface 34, a second face 32 and a third face 33 connected in sequence.
  • the third face 33 is supported on the second step surface 12, and the second face 32 is opposite to the inner circumference of the upper end 13.
  • the lower end of the cover plate 20 is supported on the first step surface 34 and the inner circumference of the lower end of the cover plate 20 is opposite to the first face 31.
  • the outer side of the lower end of the peripheral wall of the cover plate 20 has an inclined surface inclined 30° from top to bottom.
  • the shell of the compressor of the embodiment of the present application is formed by setting an upper end 13 at the upper end of the casing 10, forming a step area through the upper end 13 and the barrel 11, and utilizing the welding angle arrangement and welding quality assurance.
  • the distance between the positioning surface of the partition plate 30 (i.e., the third surface 33) and the support surface of the cover plate 20 is increased, ensuring that the welding process does not affect the flatness and parallelism of the partition plate 30, achieving high-precision assembly of the compressor 100, and solving the problem that vertical welding cannot be applied.
  • the influence of the welding of the partition plate 30 on the positioning surface can be reduced, which is convenient for ensuring the accuracy of the compressor 100.
  • the cover plate 20 through the special inclination angle of the cover plate 20, the increased distance between the partition plate 30 and the superposition of the three parts of the upper end portion 13 of the casing 10, the function of vertical welding is realized, which will not bring additional processing costs and assembly costs, and is beneficial to the compatibility of the diversified production lines of the compressor 100.
  • first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as “first” and “second” may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality” is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • installed can be a fixed connection, a detachable connection, or an integral connection
  • it can be a mechanical connection or an electrical connection
  • it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium.
  • a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • a first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

Carter de compresseur et compresseur (100) comprenant ce dernier. Le carter comprend une coque (10), une plaque de séparation (30) et une plaque de recouvrement (20). La plaque de séparation (30) recouvre une ouverture au niveau d'une extrémité supérieure de la coque (10), et la plaque de recouvrement (20) recouvre un côté externe de la plaque de séparation (30). Une extrémité supérieure d'une paroi périphérique de la coque (10) est empilée sur le côté externe d'une face périphérique externe de la plaque de séparation (30), une extrémité inférieure de la paroi périphérique de la plaque de recouvrement (20) est empilée sur le côté externe de la face périphérique externe de la plaque de séparation (30), il y a un espace entre l'extrémité supérieure de la coque (10) et l'extrémité inférieure de la plaque de recouvrement (20) de manière à exposer la face périphérique externe de la plaque de séparation (30), et au moins une partie d'une projection vers le bas d'une face périphérique externe de la paroi périphérique de la plaque de recouvrement (20) est située sur un côté interne d'une face périphérique externe de l'extrémité supérieure de la paroi périphérique de la coque (10).
PCT/CN2023/113265 2022-10-13 2023-08-16 Carter de compresseur, compresseur et appareil de chauffage et de ventilation WO2024078123A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222706690.5U CN218717365U (zh) 2022-10-13 2022-10-13 压缩机的壳体、压缩机和暖通设备
CN202222706690.5 2022-10-13

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Publication Number Publication Date
WO2024078123A1 true WO2024078123A1 (fr) 2024-04-18

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PCT/CN2023/113265 WO2024078123A1 (fr) 2022-10-13 2023-08-16 Carter de compresseur, compresseur et appareil de chauffage et de ventilation

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WO (1) WO2024078123A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218717365U (zh) * 2022-10-13 2023-03-24 广东美芝制冷设备有限公司 压缩机的壳体、压缩机和暖通设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07158577A (ja) * 1993-12-10 1995-06-20 Toshiba Corp 密閉形圧縮機
JPH08303368A (ja) * 1996-06-14 1996-11-19 Matsushita Electric Ind Co Ltd スクロール気体圧縮機
CN106401974A (zh) * 2015-04-17 2017-02-15 艾默生环境优化技术有限公司 具有绝缘高强度分隔组件的涡旋压缩机
CN209781209U (zh) * 2019-04-26 2019-12-13 艾默生环境优化技术(苏州)有限公司 涡旋压缩机
CN215719483U (zh) * 2021-09-10 2022-02-01 广东美的环境科技有限公司 涡旋压缩机、制冷设备
CN218717365U (zh) * 2022-10-13 2023-03-24 广东美芝制冷设备有限公司 压缩机的壳体、压缩机和暖通设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07158577A (ja) * 1993-12-10 1995-06-20 Toshiba Corp 密閉形圧縮機
JPH08303368A (ja) * 1996-06-14 1996-11-19 Matsushita Electric Ind Co Ltd スクロール気体圧縮機
CN106401974A (zh) * 2015-04-17 2017-02-15 艾默生环境优化技术有限公司 具有绝缘高强度分隔组件的涡旋压缩机
CN209781209U (zh) * 2019-04-26 2019-12-13 艾默生环境优化技术(苏州)有限公司 涡旋压缩机
CN215719483U (zh) * 2021-09-10 2022-02-01 广东美的环境科技有限公司 涡旋压缩机、制冷设备
CN218717365U (zh) * 2022-10-13 2023-03-24 广东美芝制冷设备有限公司 压缩机的壳体、压缩机和暖通设备

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