AT36267B

AT36267B - Device for preventing inhalation of dust or the like.

Info

Publication number: AT36267B
Authority: AT
Inventors: Antonin Kocourek
Original assignee: Antonin Kocourek
Priority date: 1907-10-24
Filing date: 1907-10-24
Publication date: 1909-02-10

Description

  

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  Vorrichtung zum Verhindern des Einatmens von Staub oder dergleichen. 



   Die Vorrichtung besteht aus einer Metalltrommel n, die am oberen Teile mit mehreren Öffnungen versehen ist. In diese Trommel wird ein   Ventilatorrädchen r eingelegt,   das heim Atmen rasch rotiert und das Eindringen von Staub in die Trommel verhindert. 



   Eine Ebonitkappe v, die ebenfalls in die Trommel n eingelegt wird, besitzt zweierlei schräge Öffnungen ; nur durch die äusseren d strömt die Luft beim Ausatmen aus   sud treibt   das   Rädchen)'an   ; die inneren, kleineren Öffnungen d'haben den Zweck, die auf das Rädchen   ?'beim Einatmen   ausgeübte Gegenkraft zu vermindern, und sind innen mit einer Klappe c versehen, die beim Ausatmen diese kleineren Öffnungen bedeckt. 
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   PATENT-ANSPRÜCHE : 1.   Vorrichtung   zum Verhindern des Einatmens von Staub oder   dergl..     dadurch ge-   
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



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  Device for preventing inhalation of dust or the like.



   The device consists of a metal drum n which is provided with several openings in the upper part. A fan wheel r is inserted into this drum, which rotates rapidly when breathing and prevents dust from entering the drum.



   An ebonite cap v, which is also inserted into the drum n, has two types of inclined openings; only through the outer d does the air flow when exhaling sud drives the wheel) '; the inner, smaller openings d have the purpose of reducing the counterforce exerted on the wheel? 'during inhalation, and are provided on the inside with a flap c which covers these smaller openings during exhalation.
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   PATENT CLAIMS: 1. Device to prevent the inhalation of dust or the like.
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** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims

2. Device according to claim I, characterized in that within the bores (d) mentioned in claim 1 there is also a ring of bores (d ') which are not in the area of the filling of the fan wheel and which are provided with a flap (r) work together so that it closes when you exhale, but opens when you inhale, EMI1.3 can go on and the fan wheel is not slowed considerably in its rotation by the inhalation air flow. ** WARNING ** End of CLMS field may overlap beginning of DESC **.