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Anti-leakage device of silencer of rotary compressor

A technology of rotary compressors and anti-leakage devices, which is applied in the direction of rotary piston machines, rotary piston pumps, rotary piston/swing piston pump components, etc., and can solve the problems of easy leakage of refrigerant gas and poor sealing, etc. question

Inactive Publication Date: 2009-01-28
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in the conventional rotary compressor as described above, since the muffler 5 and the upper bearing 4 are in planar contact, the sealing performance is poor, and the refrigerant gas is likely to leak.

Method used

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  • Anti-leakage device of silencer of rotary compressor
  • Anti-leakage device of silencer of rotary compressor
  • Anti-leakage device of silencer of rotary compressor

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Experimental program
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Embodiment Construction

[0024] The muffler leak-proof device of the rotary compressor of the present invention is described in detail below with reference to the accompanying drawings:

[0025] Such as Figure 1-7 As shown, the rotary compressor of the present invention consists of a casing 1; a stator 6 and a rotor 7 of the electric structural part are arranged inside the casing, wherein the center of the rotor 7 is pressed into the crankshaft 9, and the bottom of the crankshaft 9 is arranged to suck and compress refrigerant gas The compression structure part constitutes.

[0026] The compression structure part includes a circular cylinder 3 fixed on the inner peripheral surface of the casing 1; an upper bearing 4 and a lower bearing 2 which are supported on the two sides of the cylinder 3 while the crankshaft 9 passes through it; connected to the crankshaft 9 to rotate , and the rotary piston 8 that rotates eccentrically in the cylinder 3; it is crimped on the outer peripheral surface of the rotar...

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PUM

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Abstract

The present invention relates to anti-leakage device of silencer for rotary compressor. The rotary compressor has rotating crankshaft, piston rotating eccentrically inside the cylinder, vanes moving radially and linearly between the sucking port and the exhaust port of the cylinder to suck, compress and exhaust refrigerant gas, and silencer set on the upper bearing. The silencer is one thin wall flat cylindrical shell and has central holes, annular cavity, lower opening and convex part; and the upper bearing connected to the silencer has corresponding notch. Owing to the uneven structure in the contact part between the silencer and the upper bearing, the present invention has improved gas tightness and no refrigerant gas leakage.

Description

technical field [0001] The invention belongs to a muffler device of a rotary compressor, and in particular relates to a muffler leak-proof device of a rotary compressor which improves the connection between the muffler and an upper bearing from a plane contact to a concave-convex groove contact to prevent refrigerant leakage Background technique [0002] Rotary compressors generally used in air conditioners, etc. are eccentrically combined with a rotary piston with a compression mechanism on a crankshaft combined with an electric mechanism. The rotary piston rotates in the compression space of a circular cylinder to suck in, compress, and discharge refrigeration. agent. [0003] Such as figure 1 As shown, the conventional rotary compressor consists of a stator 6 and a rotor 7 with an electric structural part inside the casing 1, wherein the center of the rotor 7 is pressed into the crankshaft 9, and the lower part of the crankshaft 9 is provided with a compression structure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C29/06F04C18/356
Inventor 李元鹤河宗勋丁明
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD