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Detection device and method

A technology for detecting water and particles, applied in the field of online applications, devices for detecting parasites in drinking water, and devices for parasites

Inactive Publication Date: 2014-11-19
GRUNDFOS HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, modern methods for detecting Cryptosporidium and Giardia are expensive and labor-intensive with delayed test results lasting 1-3 days, which is too late for action to be taken and outbreaks prevented

Method used

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  • Detection device and method
  • Detection device and method

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Embodiment Construction

[0231] Reference will now be made in detail to the accompanying drawings with the intention of illustrating preferred embodiments of the present invention. The elements of the concentrating device 2 according to the present invention are described in figure 1 shown in. figure 1 a) shows a sectional view of the concentrating device 2 according to the invention.

[0232] The thickening device 2 includes a housing 12 having a top member 32 , a bottom member 36 and an intermediate member 34 sandwiched between the top member 32 and the bottom member 36 . The top member 32 is secured to the middle member 34 with bolts 38 . The top member 32, the middle member 34, and the bottom member 36 may be secured to each other in various ways.

[0233] The concentrating device 2 also includes a cavity 14 having a first volume 18 and a second volume 16 separated by the filter 8 . The filter 8 is mounted with a gasket 42 which is arranged in a groove provided in the bottom member 36 . The ...

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Abstract

The invention relates to a device and a method for detecting particles, in particular parasites, in drinking water adapted to on-line application. In particular, the invention b) relates to a method for detecting parasites in water, said method comprising: Passing at least a part of the water through a filter; Applying indirect sonication with ultrasound to said filter to release parasites which have been collected in said filter without disrupting said parasites; Collecting parasites for detection; and Detecting the collected parasites. This serves to collect parasites in the filter and / or increase the concentration of parasites before the filter and / or disrupt aggregates without disrupting the parasites per se. The invention further relates to a concentration device for filter filtration concentration of particles from a volume of a fluid. The concentration device comprises an ultrasonic transducer that is configured to clean the filter.

Description

technical field [0001] The present invention relates to a device and method for detecting particles, especially parasites, in water. In particular, the present invention relates to a device and method for detecting parasites in drinking water, suitable for on-line application. Background technique [0002] In the industrialized world, nearly half of the population has a water supply based on treated surface water. The protozoan parasites Cryptosporidium and Giardia are the most common water-borne diseases, infecting up to 50 out of 100,000 people each year (O'Donoghue PJ. Cryptosporidium and cryptosporidiosis in man and animals. Int J Parasitol. 1995 Feb;25(2):139-95. Yoder JS, Harral C, Beach MJ; Centers for Disease Control and Prevention (CDC). Giardiasis surveillance - United States, 2006-2008. MMW Surveill Summ. 2010 Jun 11;59(6):15-25. Yoder JS, Harral C, Beach MJ; Centers for Disease Control and Prevention (CDC). Cryptosporidiosis surveillance - United States, 2006-2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/40B01D29/01
CPCB01D29/0095B01D29/66B01D29/603G01N1/4077G01N21/01B01D29/606B01D39/10G01N1/40G01N2001/4094
Inventor J.安德森加德H.L.伊內马克M.N.S.阿-萨比J.库茨哈斯
Owner GRUNDFOS HLDG