PROJECTOR

PROBLEM TO BE SOLVED: To provide a constitution of an air intake fan and a projector capable of maintaining air intake performance and low noise at low cost even when the region of an air filter is clogged.SOLUTION: The projector 1 includes an opening 11 formed on an external housing 10, an air inta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	FUKUYAMA TAKANORI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a constitution of an air intake fan and a projector capable of maintaining air intake performance and low noise at low cost even when the region of an air filter is clogged.SOLUTION: The projector 1 includes an opening 11 formed on an external housing 10, an air intake fan 5 taking in outside air from the opening 11, and a filter unit 4 installed to face the opening 11 and removing dust in the outside air which is taken in. The air intake fan 5 is composed of an axial flow fan 51 and a sirocco fan 52 arranged in series in the rear stage of the filter unit 4.