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Scroll compressors with central primary and secondary discharge

A scroll compressor and discharge port technology, applied in the field of scroll compressors, can solve the problems of complicated spiral coil improvement and expensive manufacturing costs, and achieve the effects of reducing the risk of fracture, improving efficiency, and reducing excessive compression.

Active Publication Date: 2020-06-02
DANFOSS COMML COMPRESSORS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, these improvements in spiral coils are complex and expensive to manufacture

Method used

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  • Scroll compressors with central primary and secondary discharge
  • Scroll compressors with central primary and secondary discharge
  • Scroll compressors with central primary and secondary discharge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0053] figure 1 Shown is a scroll compressor 1 comprising a hermetic casing 2 having a substantially cylindrical casing 3, a cover 4 secured to the upper end of the substantially cylindrical casing 3, and a substantially A base 5 at the lower end of the cylindrical housing 3 . The substantially cylindrical housing 3 is provided with a suction port 6 configured to supply the scroll compressor 1 with refrigerant to be compressed, and the cover 4 is provided with a discharge port 7 configured to discharge the compressed refrigerant.

[0054] The scroll compressor 1 also includes a support member 8 (also referred to as a crankcase) and a scroll compression device 9, the support member 8 is fixed to the sealed casing 2, the scroll compression device 9 is arranged in the sealed casing 2 and is supported by Member 8 supports. The scroll compression device 9 is configured to compress refrigerant supplied through the suction port 6 . The scroll compression device 9 includes a fixed ...

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PUM

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Abstract

The scroll compressor includes a fixed scroll element, an orbiting scroll element, a central main discharge port (18) and an auxiliary discharge port (26). The fixed scroll element includes a fixed end plate (13) and a fixed spiral wrap (14). The orbiting scroll element includes an orbiting end plate and an orbiting spiral wrap (16). The stationary coil (14) and the orbiting coil (16) intermesh to define a pair of compression chambers. The radially inner pair of compression chambers includes a direct chamber (17.1) and an indirect chamber (17.2). A central main discharge port (18) is formed in the fixed end plate (13) and is configured to communicate the direct chamber (17.1) with the discharge pressure volume. Auxiliary discharge ports (26) are formed in the fixed end plate (13) near the outer wall side (14.2) of the fixed spiral wrap (14) and adjacent to the inner end (14.4) of the fixed spiral wrap (14). The auxiliary discharge port (26) is at least partially opened by the orbiting spiral wrap (16) to communicate the indirect chamber (17.2) with the discharge pressure volume during the orbiting motion of the orbiting scroll element (12).

Description

technical field [0001] The present invention relates to a scroll compressor. Background technique [0002] A scroll compressor may comprise in known manner: [0003] - sealed housing, [0004] - a fixed scroll element disposed within said housing and comprising a fixed end plate and a fixed spiral wrap extending from said fixed end plate, [0005] - an orbiting scroll element disposed within said housing and comprising an orbiting end plate and an orbiting spiral wrap extending from said orbiting end plate, said fixed spiral wrap and said orbiting spiral wrap interengaging to Using the fixed end plate and the orbiting end plate to define pairs of compression pockets; during the orbiting movement of the compression pockets, the volume of the compression pockets is changed from the fixed helical coil and the outer end of the orbiting helical wrap decreases towards the inner end, the radially inner pair of compression chambers includes a direct chamber and an indirect chambe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/02F04C29/12
CPCF04C18/0215F04C18/0261F04C29/12F04C2240/10F04C23/008F04C18/0269F04C2250/102
Inventor 塞巴斯蒂安·丹尼斯大卫·吉纳夫欧斯朱利安·赖维
Owner DANFOSS COMML COMPRESSORS