Check patentability & draft patents in minutes with Patsnap Eureka AI!

Rotary compressor

A rotary compressor and compression chamber technology, applied in rotary piston machinery, rotary piston pump, swing piston machinery, etc., can solve the problems of reducing the refrigeration capacity of the compressor, increasing the exhaust resistance, and difficult to balance, etc. Achieve the effect of reducing exhaust resistance, meeting miniaturization and improving rigidity

Active Publication Date: 2017-06-13
GUANGDONG MEIZHI PRECISION MFG
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, as the diameter of the cylinder becomes smaller, it becomes more and more difficult to balance the stiffness and exhaust performance of the rotary compressor. This makes the reliability of the compressor worse, and if the rigidity of the cylinder is sufficient, it is inevitable to reduce the cross-sectional area of ​​the exhaust passage, thereby increasing the exhaust resistance, reducing the refrigeration capacity of the compressor, and causing the compressor to serious loss of energy efficiency
Especially for small rotary compressors running at high speed (such as 180rps, 240rps), it is more difficult to balance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Rotary compressor
  • Rotary compressor
  • Rotary compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] refer to figure 1 , the rotary compressor 1 is a single-cylinder rotary compressor, and the housing 2 accommodates a compression component 5, a drive component 6 and a lubricating oil 8, wherein the drive component 6 is an electric drive component, such as a stator 6a and a The rotor 6b is a DC variable frequency motor, and the outer peripheral surface of the stator 6a is fixedly connected with the inner peripheral surface of the casing 2 .

[0049] The rotor 6 b is fixed on the crankshaft 30 , and the crankshaft 30 is supported by the second bearing 50 and the first bearing 40 in a sliding fit. The compression part 5 includes the second bearing 50, the cylinder 10 and the first bearing 40 arranged in order from top to bottom, the second bearing 50, the cylinder 10 and the first bearing 40 are connected by ten cylinder screws 65 extending in the up and down direction, the first The outer peripheral surface of the second bearing 50 is fixedly connected with the inner pe...

Embodiment 2

[0060] refer to Figure 5 , the structure of the rotary compressor 1 shown in the second embodiment is substantially the same as that of the rotary compressor 1 shown in the above-mentioned first embodiment, wherein the same components use the same reference numerals, and the main difference lies in: this embodiment The rotary compressor 1 in Example 2 is a two-cylinder rotary compressor 1 .

[0061] Such as Figure 5 As shown, the double-cylinder rotary compressor 1 includes a cylinder 10, a second cylinder 20, a middle partition 15, a piston 31, a slide plate 35, a second piston 32 and a second slide plate 36, and the crankshaft 30 has two eccentric department. Among them, the cylinder 10 has a compression chamber 10a and a slide back cavity 12, and the cylinder 10 is connected with the first suction pipe 14 to realize suction and compression, and the second cylinder 20 has a second compression chamber 20a and a second slide The back cavity 22, and the second air cylinder...

Embodiment 3

[0066] refer to Figure 7 , the structure of the rotary compressor 1 shown in the third embodiment is substantially the same as that of the rotary compressor 1 shown in the second embodiment above, wherein the same components use the same reference numerals, and the main difference lies in: this embodiment The middle partition 15 of the rotary compressor 1 of Example 3 is additionally provided with a partition first exhaust hole 16 and a partition second discharge hole 17 .

[0067] Such as Figure 7 As shown, the middle partition 15 has a partition communicating hole 19, a partition first exhaust hole 16 and a partition second vent 17, wherein the partition communicating hole 19 communicates between the slide back chamber 12 and the second vent. Between the back cavity 22 of the two sliding vanes and communicate with the first vent hole 16 of the partition and the second vent hole 17 of the partition respectively, the first vent hole 16 of the partition communicates with the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a rotary compressor. The rotary compressor comprises a shell, a driving component and a compression component, wherein the shell is filled with lubricating oil, the driving component is arranged in the shell and comprises a stator and a rotor, and the compression portion is arranged in the shell and comprises a crankshaft, a first bearing, a second bearing, an air cylinder, a piston and a slide slice. A first silencer is arranged on the first bearing, the air cylinder is provided with a slide slice back cavity for storing the tail end of the slide slice, the slide slice back cavity is communicated with an inner cavity of the first silencer and an inner cavity of the shell, and a high-pressure refrigerant discharged into the first silencer is discharged into the shell via the slide slice back cavity. The rotary compressor has the advantages that the slide slice back cavity serves as one part of an exhaust passage, so that the sufficient section area of the exhaust passage can be guaranteed to reduce exhaust resistance and improve energy efficiency of the compressor, rigidity of the rotary compressor can be improved effectively, and small-size high-rotation-speed development requirements of the rotary compressor are met.

Description

technical field [0001] The invention relates to the field of compressor equipment, in particular to a rotary compressor. Background technique [0002] In recent years, rotary compressors are getting closer to miniaturization, especially the outer diameter of rotary compressors is getting smaller and smaller. For example, the outer diameter of the 3HP rotary compressor widely used in air conditioners has been gradually refined from the initial 130mm to 110mm. Moreover, as the miniaturization of the rotary compressor progresses, its rotation speed can reach 180rps or even higher. [0003] However, as the diameter of the cylinder becomes smaller, it becomes more and more difficult to balance the stiffness and exhaust performance of the rotary compressor. This makes the reliability of the compressor worse, and if the rigidity of the cylinder is sufficient, it is inevitable to reduce the cross-sectional area of ​​the exhaust passage, thereby increasing the exhaust resistance, r...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/356F04C21/00F04C23/02F04C29/12F04C29/00
CPCF04C18/3562F04C21/00F04C23/02F04C29/00F04C29/12F04C2240/10
Inventor 小津政雄谭琴王玲
Owner GUANGDONG MEIZHI PRECISION MFG
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com