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Refrigerant compressor

A refrigerant and compressor technology, applied in mechanical equipment, machines/engines, liquid displacement machines, etc., can solve the problems of lower volumetric efficiency, high pressure, etc., and achieve the effect of simple manufacture and reduced heat loss

Active Publication Date: 2008-03-26
SECOP AUSTRIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution has the disadvantage that there is often a greater pressure drop during suction, which reduces the volumetric and thus energy efficiency more or less strongly

Method used

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Examples

Experimental program
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Embodiment Construction

[0069] 1 shows an isometric view of a cylinder head according to the invention, in which individual parts of the cylinder housing 1 , the valve plate 2 and the suction noise muffler 3 including the suction opening 3a are visible.

[0070] The basic structure of the subject hermetically sealed refrigerant compressor is known per se. The piston-cylinder-motor unit basically comprises a cylinder housing 1 and a piston 4 performing reciprocating motion therein, and crankshaft bearings 5 ​​in a crankcase 5a, perpendicular to the axis 6 of the cylinder. The crankshaft bearing 5 accommodates a crankshaft (not shown) and projects into a central bore of the rotor of an electric motor (also not shown), the rotational movement of which is transmitted via a connecting rod (not shown) in a manner also known per se. to piston 4. A suction noise muffler 3 is located on the cylinder head itself and it serves to minimize the noise output during refrigerant suction.

[0071] Figures 1 and 2 s...

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Abstract

The invention relates to a method for the purification of DNA / RNA of proteins and cellular residual substances in cell lysate. In order to create an advantageous method, purification is carried out by means of controlled selective flocculation of proteins and cellular residual substances by using a composition consisting of polymers with negatively, positively charged and gydrophobic groups, microparticles of a three-dimensional polymer matrix with negatively charged and gydrophobic groups, a composition consisting of ionic and non-ionic surfactants and a substance cleaving SS bridges in a buffer with a low pH in the following addition sequence: 1) a buffer with a low pH, the composition consisting of ionic and non-ionic surfactants and a substance cleaving SS bridges; 2) the composition consisting of polymers with negatively charged groups, polymers with negatively charged and gydrophobic groups, polymers with negatively charged and gydrophobic groups, microparticles of the three-dimensional polymer matrix with negatively charged and gydrophobic groups; 3) polycations, with subsequent centrifuging. .

Description

technical field [0001] The invention relates to a hermetically encapsulated refrigerant compressor according to the preamble of claim 1, which has a hermetically sealed compressor housing, inside which a piston compressing the refrigerant - Cylinder unit operation, the cylinder of which is closed with a valve plate having a compression hole and a suction hole, and is provided with a suction channel and a compression channel through which refrigerant is sucked into the suction hole via a suction valve , and is pressed into the compression channel from the compression hole via a pressure valve, and a suction noise muffler is preferably located in the suction channel. Background technique [0002] Such refrigerant compressors have been known for a long time and are mainly used in refrigerators or freezers. Accordingly, the number of pieces produced each year is large. [0003] Although the energy consumption of a single refrigerant compressor is only between 50 and 150 W, whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/12
CPCF04B39/125F04B39/122C12N15/1006F04B39/1066
Inventor G·齐普尔A·弗赖贝格尔M·蓬霍尔德
Owner SECOP AUSTRIA
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