INTAKE DUCT PIPE

PROBLEM TO BE SOLVED: To provide a very silent intake duct pipe, which is highly soft without buckling due to bending, and absorbs intake noise generated inside the duct pipe. SOLUTION: This duct pipe is composed of a tubular woven fabric 4 made by weaving a plurality of warps 2 arranged annularly a...

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Bibliographische Detailangaben
Hauptverfasser:	NEDACHI SATOSHI, OTA TAKU
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES RANGES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a very silent intake duct pipe, which is highly soft without buckling due to bending, and absorbs intake noise generated inside the duct pipe. SOLUTION: This duct pipe is composed of a tubular woven fabric 4 made by weaving a plurality of warps 2 arranged annularly and extending in an longitudinal direction and wefts 3 crossing with the warps 2 and extending in a peripheral direction into a tubular form. The wefts 3 are made by alternately arranging first wefts 3a of a rigid linear element and second wefts 3b of a soft natural or synthetic fiber yarn. It is preferable that the second wefts 3b are stretchable yarns like synthetic fiber crimped yarn. COPYRIGHT: (C)2003,JPO