F15D   1/00		ήΤή˱ƶͿ	Influencing the flow of fluids	3647
F15D   1/02		Ƴˤ	in pipes or conduits	3048
F15D   1/04		ϩΥܤޤϥȤΥ٥ɤΰⱩ֡ή˴Ϣ㤨Сή»򸺾뤿ΡܴϩǤι¤Σ	Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow	878
F15D   1/06		ؤ˱ƶͿ	by influencing the boundary layer	646
F15D   1/08		եʮήΤΡΣ	of jets leaving an orifice	874
F15D   1/10		ʪΤΤޤΤ	around bodies of solid material	590
F15D   1/12		ؤ˱ƶͿ	by influencing the boundary layer	956
F15D   1/14		ήήϩžΡΣ	Diverting flow into alternative channels	255
