To improve the strength of an opening part of a duct.SOLUTION: A duct 10 includes a bifurcated branch duct 12 at a rear end part. At the end part of the branch duct 12 that has openings 60, 69, a linear protrusion 70 extending along the opening edge and projecting to the inner side is formed on upper opposing walls 31A, 31B and on lower opposing walls 32A, 32B. The linear protrusion 70 is not formed on right-side opposing walls 33A, 33B and on the left-side opposing walls 34A, 34B.SELECTED DRAWING: Figure 3
【課題】ダクトの開口部分の強度を向上させる。【解決手段】本開示のダクト10は、後端部に二又に分岐した分岐ダクト12を備えている。分岐ダクト12のうち開口部60,69を有する端部には、上側対向壁31A,31B及び下側対向壁32A,32Bに、開口縁に沿って延び、かつ内側に突出した線状凸部70が形成されている。また、線状凸部70は右側対向壁33A,33B、左側対向壁34A,34Bには形成されていない。【選択図】図3
DUCT, ENGAGEMENT STRUCTURE FOR DUCT, AND METHOD OF MANUFACTURING DUCT
ダクト、ダクトの嵌合構造、及び、ダクトの製造方法
2023-05-02
Patent
Electronic Resource
Japanese
IPC: | B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F24F Klimatisierung , AIR-CONDITIONING |