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Roller and rotary compressor having same

A rotary compressor and roller technology, which is applied in the field of rotary compressors, can solve the problems of inability to quickly realize the balance between high pressure and low pressure in the compressor, and waiting for too long.

Inactive Publication Date: 2017-05-10
ZHUHAI LANDA COMPRESSOR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] That is to say, it is currently impossible to quickly achieve the balance of high pressure and low pressure in the compressor, so that the equipment needs to wait too long to start

Method used

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  • Roller and rotary compressor having same
  • Roller and rotary compressor having same
  • Roller and rotary compressor having same

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Embodiment Construction

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0026] The invention provides a roller. The roller comprises an annular groove 10, at least two communication grooves 20 and a control valve.

[0027] Specifically, such as Figure 1 to Figure 3 As shown, the annular groove 10 is provided on the end surface of the roller 60 along the circumferential direction of the end surface of the roller 60 . At least two communication grooves 20 are provided on the end surface of the roller 60 , the at least two communication grooves 20 are arranged at intervals, and these communication grooves 20 all intersect the annular groove 10 . At least two communicating grooves 20 can divide the annular groove 10 into multiple arc-shaped grooves 11 , there are a...

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PUM

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Abstract

The invention provides a roller and a rotary compressor comprising the same. The roller comprises a ring groove, at least two communicating grooves and control valves, wherein the ring groove is formed in the end surface of the roller in the circumferential direction of the end surface of the roller; the communicating grooves are formed at intervals and intersected with the ring groove to isolate the ring groove into a plurality of arc grooves which are communicated through the communicating grooves; the control valves are arranged in the communicating grooves to control non-communication or communication among the plurality of arc grooves. The plurality of arc grooves are located in different pressure zones, so that high-pressure and low-pressure balance in the compressor can be realized after the plurality of arc grooves are rapidly communicated, and equipment can be started without waiting for a long time.

Description

technical field [0001] The invention relates to the electromechanical field, in particular to a roller and a rotary compressor having the same. Background technique [0002] The existing refrigeration system with a rotary compressor, due to its own structural characteristics, generally requires the compressor to stop for at least 3 minutes after the compressor stops, and the compressor can only be started after the high and low pressure balance of the compressor is reached. In order to protect the compressor , Generally, it is necessary to add a detection device to the system to ensure that the compressor downtime is not less than 3 minutes. [0003] That is to say, it is currently impossible to quickly realize the balance of high pressure and low pressure in the compressor, so that the equipment needs to wait too long to start. Contents of the invention [0004] The main purpose of the present invention is to provide a roller capable of improving work efficiency and a ro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/344F04C28/24F04C29/00
Inventor 郑坚标梁健坤范少稳
Owner ZHUHAI LANDA COMPRESSOR