DEODORIZING METHOD AND DEODORIZING DEVICE BY SAWTOOTH WAVE CORONA DISCHARGE

PURPOSE: To reduce the dielectric resistances of a DC high voltage generating device and a discharge gap, and attain a smaller size and a lighter weight by applying a sawtooth waveform high voltage having a discharge electrode as positive electrode and a counter electrode as negative electrode betwe...

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Bibliographische Detailangaben
1. Verfasser:	IIJIMA AYUMI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CORONA DEVICES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES HUMAN NECESSITIES HYGIENE MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL OVERVOLTAGE ARRESTERS USING SPARK GAPS PERFORMING OPERATIONS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SPARK GAPS SPARKING PLUGS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE: To reduce the dielectric resistances of a DC high voltage generating device and a discharge gap, and attain a smaller size and a lighter weight by applying a sawtooth waveform high voltage having a discharge electrode as positive electrode and a counter electrode as negative electrode between the electrodes of a deodorizing device, and applying the following high voltage before the voltage between the electrodes is reduced less than a specified value. CONSTITUTION: In a deodorizing device 7 for performing a deodorization in a plasma space generated by a corona discharge by high voltage pulse, a high voltage pulse having a high peak, for example, 50-25kV is supplied thereto from a high voltage pulse generating device. An AC high voltage obtained by boosting the voltage of AC voltage by a high voltage transformer 3 is full- wave rectified by a high voltage rectifier 4, and the resulting DC high voltage is applied to a spark discharge gap 6 including a rotating discharge terminal in which the gap space is set to 2mm-10mm. The following sawtooth waveform high voltage is applied between electrodes 8, 9 before the high sawtooth waveform high voltage is reduced less than 1/10 of its peak value, whereby a corona discharge is generated.