FILTER APPARATUS AND METHOD FOR DETERMINING PLUGGING OF FILTER APPARATUS

A filter apparatus includes a conductive housing disposed below an electronic device, to which a cooling air current is supplied from a lower side to an upper side, and including a bottom surface frame having a first opening and an upper surface frame having a second opening; terminals provided on t...

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Bibliographische Detailangaben
Hauptverfasser:	Sato Hiroyoshi, Suzuki Hitoshi, TAKAHASHI ICHIROU
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PRINTED CIRCUITS SEPARATION TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A filter apparatus includes a conductive housing disposed below an electronic device, to which a cooling air current is supplied from a lower side to an upper side, and including a bottom surface frame having a first opening and an upper surface frame having a second opening; terminals provided on the bottom surface and insulated from the housing; a filter including a filter part that removes dust of the air current and a filter frame retaining the filter; and an electric potential detecting part coupled to the terminals and configured to detect electric potentials of the terminals to detect a change of an electric potential, in a state in which the air current is supplied to the electronic device via the filter part, with respect to an electric potential in a state in which the filter frame is in contact with the bottom surface frame and the terminals.