Title:
SERIAL AXIAL FLOW FAN
Document Type and Number:
Japanese Patent JP2018112189
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a serial axial flow fan that is capable of improving the static pressure and the air volume with regards to the input shaft power, and that is capable of reducing noise.SOLUTION: A serial axial flow fan comprises: a first axial flow fan 2 that blows out air drawn in from an intake side to an exhaust side; and a second axial flow fan 3 connected to the first axial flow fan along a central axis of the first axial flow fan, the second axial flow fan blowing out the air drawn in from an intake side from an exhaust side, wherein an end portion of the first axial flow fan on the exhaust side and an end portion of the second axial flow fan on the intake side are connected to each other. A first impeller 21 includes a plurality of first blades 211 that extend outwards in the radial direction and that are arranged in a circumferential direction. A second impeller includes a plurality of second blades 311 that extend outwards in the radial direction and that are arranged in the circumferential direction. The first blades and/or the second blades are provided with auxiliary blade portions 213.SELECTED DRAWING: Figure 2
More Like This:
| JP3682397 | FAN MOTOR |
| JP5856136 | Heat treatment method for superalloy parts and alloy parts |
Inventors:
HAKOZAKI SHOGO
YAMAGATA RYOTA
YAMAGATA RYOTA
Application Number:
JP2018000931A
Publication Date:
July 19, 2018
Filing Date:
January 09, 2018
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
F04D29/32; F04D25/16; F04D29/54; F04D29/66
Domestic Patent References:
| JP2008106705A | 2008-05-08 | |||
| JP2008223563A | 2008-09-25 | |||
| JP2002106494A | 2002-04-10 | |||
| JP2003184792A | 2003-07-03 | |||
| JPH08121391A | 1996-05-14 | |||
| JP2009019511A | 2009-01-29 | |||
| JP2015108361A | 2015-06-11 | |||
| JP2006105122A | 2006-04-20 |