DISPOSITIVO ATTO A SEPARARE IN CLASSI GRANULOMETRICHE PARTICELLE DI AEROSOL
A device is described for separating airborne particles into grain size classes. The principle characteristic of the present invention lies in the fact that it comprises: a first base body formed as a cup in which there are formed three chambers which are upwardly open and in each of which there is...
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| creator | PRODI VITTORIO |
| description | A device is described for separating airborne particles into grain size classes. The principle characteristic of the present invention lies in the fact that it comprises: a first base body formed as a cup in which there are formed three chambers which are upwardly open and in each of which there is created in use a depression with a respective predetermined value; a first channel formed in a second upper body, of substantially L-shape form and having a first cavity into which filtered air flows in use, and a second cavity facing the entrance of the said chamber communicating by means of a sharp curvature with the said first cavity; and a nozzle positioned in the said first cavity and operable to inject into it a quantity of particle-bearing air in such a way that the particles of dust present in this are sub-divided into various grain size classes in dependence on the aerodynamic diameter thereof, to flow into the said chamber in quantities which are a function of the difference of the various values of the pressure existing in these. |
| format | Patent |
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The principle characteristic of the present invention lies in the fact that it comprises: a first base body formed as a cup in which there are formed three chambers which are upwardly open and in each of which there is created in use a depression with a respective predetermined value; a first channel formed in a second upper body, of substantially L-shape form and having a first cavity into which filtered air flows in use, and a second cavity facing the entrance of the said chamber communicating by means of a sharp curvature with the said first cavity; and a nozzle positioned in the said first cavity and operable to inject into it a quantity of particle-bearing air in such a way that the particles of dust present in this are sub-divided into various grain size classes in dependence on the aerodynamic diameter thereof, to flow into the said chamber in quantities which are a function of the difference of the various values of the pressure existing in these.</description><edition>4</edition><language>ita</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL ; PERFORMING OPERATIONS ; PHYSICS ; SEPARATING SOLIDS FROM SOLIDS ; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS ; SORTING ; TESTING ; TRANSPORTING</subject><creationdate>1987</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870916&DB=EPODOC&CC=IT&NR=1179317B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870916&DB=EPODOC&CC=IT&NR=1179317B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PRODI VITTORIO</creatorcontrib><title>DISPOSITIVO ATTO A SEPARARE IN CLASSI GRANULOMETRICHE PARTICELLE DI AEROSOL</title><description>A device is described for separating airborne particles into grain size classes. 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The principle characteristic of the present invention lies in the fact that it comprises: a first base body formed as a cup in which there are formed three chambers which are upwardly open and in each of which there is created in use a depression with a respective predetermined value; a first channel formed in a second upper body, of substantially L-shape form and having a first cavity into which filtered air flows in use, and a second cavity facing the entrance of the said chamber communicating by means of a sharp curvature with the said first cavity; and a nozzle positioned in the said first cavity and operable to inject into it a quantity of particle-bearing air in such a way that the particles of dust present in this are sub-divided into various grain size classes in dependence on the aerodynamic diameter thereof, to flow into the said chamber in quantities which are a function of the difference of the various values of the pressure existing in these.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PHYSICS SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TESTING TRANSPORTING |
| title | DISPOSITIVO ATTO A SEPARARE IN CLASSI GRANULOMETRICHE PARTICELLE DI AEROSOL |
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