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Linear compressor

A linear compressor and space compression technology, which is applied in mechanical equipment, machines/engines, liquid variable capacity machinery, etc., can solve the problems of space waste and heat accumulation around the compressor

Inactive Publication Date: 2006-06-21
FISHER & PAYKEL APPLIANCES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Another problem with compressors is that they generally have heat buildup, especially near the compressor block and cylinder head
However, the size of the existing compressor limits the size of the machine room of the refrigerator and results in wasted space around the compressor in the machine room

Method used

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Embodiment Construction

[0073] The overall structure

[0074] The embodiment of the invention shown in the figures involves permanent magnet linear motors driving a resonant reciprocating compressor, operating together in a hermetic housing. The compressor comprises pistons 3, 4 reciprocating in a cylinder bore 71 and operating on a working fluid which is alternately sucked into and discharged from a compression space at the head end of the cylinder. A cylinder head 27 connected to the cylinder blocks closes the open ends of the cylinder bore 71 to form a compression space and includes inlet and outlet valves 118, 119 and associated manifolds. The compressed working gas is discharged from the compression space through the outlet valve 119 into the discharge manifold. The discharge header directs the compressed working fluid into the cooling jacket 29 surrounding the cylinder block 71 . The discharge pipe 18 passes from the cooling jacket 29 and leads to the outside of the sealed housing.

[0075] ...

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PUM

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Abstract

This invention relates to one linear compressor, which comprises cylinder hole and cylinder part with gap rotor, wherein, The piston is set in cylinder sliding; Main spring connects the cylinder directly or indirectly to the piston; The connection bar is connected between the spring and piston; At least one electrical rotor is set along connection bar; The rotor is supported one or more plat blocks made of permanent materials to be enlarged to limit rotor electrode; The connection bar is supported by piston and other end by main spring; The connection bar comprises order connection between piston and electrical rotors.

Description

[0001] This application is a divisional application of No. 00820050.5 Chinese invention patent application "Linear Compressor" submitted on October 17, 2000. technical field [0002] This invention relates to linear compressors, especially but not exclusively to compressors for refrigerators. Background technique [0003] Compressors, especially refrigerator compressors, are usually driven by rotary electric motors. However, even in their most efficient form, there are huge losses associated with crank systems that convert rotary motion into linear reciprocating motion. Alternatively a rotary compressor can be used which does not require a crank, but has high centripetal loads, resulting in huge frictional losses. Linear compressors driven by linear motors do not have these losses and can be designed so that the bearing loads are low enough that an aerostatic gas bearing as disclosed in U.S. Pat. Low bearing loads. [0004] A discussion of aerostatic gas bearings includes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B35/04
Inventor 内维尔·戴维·西格伊恩·坎贝尔·梅吉尔杰拉尔德·戴维·邓肯乌帕史·帕特尔安德鲁·保罗·泰勒杰弗里·艾伦·李
Owner FISHER & PAYKEL APPLIANCES LTD