发明名称 |
COUNTER-ROTATING AXIAL FLOW FAN |
摘要 |
Provided here is a counter-rotating axial flow fan with improved air flow-static pressure characteristics and reduced power consumption and noise compared to the related art. A plurality of struts are disposed to be stationary between a front impeller and a rear impeller in an air channel. A plurality of front blades are each formed of a swept-back blade, and a plurality of rear blades are each formed of a forward-swept blade. |
申请公布号 |
US2012257957(A1) |
申请公布日期 |
2012.10.11 |
申请号 |
US201213440213 |
申请日期 |
2012.04.05 |
申请人 |
YANAGISAWA ATSUSHI;OOSAWA HONAMI;SANYO DENKI CO., LTD. |
发明人 |
YANAGISAWA ATSUSHI;OOSAWA HONAMI |
分类号 |
F04D25/16 |
主分类号 |
F04D25/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|