AXIAL FLOW FAN WITH BLADES TWISTED ACCORDING TO A BLADE PITCH RATIO THAT DECREASES (QUASI) LINEARLY WITH THE RADIAL POSITION - Patent 3084230

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EP 3 084 230 A1

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(43)	Date of publication:
	26.10.2016 Bulletin 2016/43

(21)	Application number: 13811779.1

(22)	Date of filing: 17.12.2013

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International Patent Classification (IPC):

F04D 29/38^(2006.01)

F04D 29/36^(2006.01)

(86)	International application number:
	PCT/DK2013/050432

(87)	International publication number:
	WO 2015/090318 (25.06.2015 Gazette 2015/25)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA ME

(71)	Applicant: Dacs A/S
	8766 Nørre Snede (DK)

(72)	Inventor:
	WIDELL, Karl Erik DK-9210 Aalborg SØ (DK)

(74)	Representative: Zacco Denmark A/S
	Arne Jacobsens Allé 15 2300 Copenhagen S 2300 Copenhagen S (DK)

(54)	AXIAL FLOW FAN WITH BLADES TWISTED ACCORDING TO A BLADE PITCH RATIO THAT DECREASES (QUASI) LINEARLY WITH THE RADIAL POSITION