Vent line and device

A first vent line 210 comprises: a first segment 210A having a first cross-sectional area; a second segment 210B having a second cross-sectional area greater than the first cross-sectional area; and athird segment 210C having an inclined inner surface 210E that connects the first segment 210A and th...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAZOE SHOGO, MITORIDA SHINYA, OTSU AKIHIKO, UMENAI KO, KOKUBU FUYUKI, KUMETA KOICHI, HAKUTA SHINYA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BLASTING CORRECTION OF TYPOGRAPHICAL ERRORS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME JOINTS OR FITTINGS FOR PIPES LIGHTING LINING MACHINES MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS PIPES PRINTING SELECTIVE PRINTING MECHANISMS SOUND-PRODUCING DEVICES STAMPS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING TYPEWRITERS WEAPONS
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Beschreibung
Zusammenfassung:	A first vent line 210 comprises: a first segment 210A having a first cross-sectional area; a second segment 210B having a second cross-sectional area greater than the first cross-sectional area; and athird segment 210C having an inclined inner surface 210E that connects the first segment 210A and the second segment 210B. The present invention further provides a second vent line 220 that has an opening 310. The opening 310 is located inside the first segment 210A of the first vent line 210. 第1通气管路(210)具有成为第1截面积的第1部分(210A)、成为截面积比第1截面积大的第2截面积的第2部分(210B)、以及将第1部分(210A)与第2部分(210B)连接且具有倾斜的内表面(210E)的第3部分(210C)。并且，设置有具有开口部(310)的第2通气管路(220)。开口部(310)位于第1通气管路(210)的第1部分(210A)的内侧。