Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BLOWER DEVICE
Document Type and Number:
Japanese Patent JP2009264390
Kind Code:
A
Abstract:

To provide a blower device of high efficiency and low noise without increasing the size of a propeller fan provided to an air blow-out part or the like of an exterior device of an air-conditioning device.

The blower device includes a propeller fan 15 having a plurality of blades, and a shroud 52 formed in a cylindrical shape so as to surround a periphery of the propeller fan. A ratio of a protruding amount Pl of the propeller fan 15 from a blowing-out-side edge of the shroud 52 with respect to a diameter D of the propeller fan 15 (Pl/D) is set to a range of -0.08 to +0.08.


More Like This:
WO/2021/247165ROOFTOP EXHAUST SYSTEM FOR EXHAUSTING AIR FROM A BUILDING
JP3059676[Name of invention] Improved structure of ultra-thin cooling fan
JP2005069112COMPRESSOR COOLING METHOD OF FUEL GAS FEEDER
Inventors:
SAITO MASAHIRO
GOTO TOYOHIRO
TSUBOI KINJI
NAKAGAWA SHUICHI
Application Number:
JP2009163639A
Publication Date:
November 12, 2009
Filing Date:
July 10, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YANMAR CO LTD
International Classes:
F04D29/54; F04D25/08; F04D29/32
Domestic Patent References:
JPS6165097A1986-04-03
JP2003120589A2003-04-23
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office



 
Previous Patent: EXHAUST EMISSION CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE

Next Patent: AIR SUPPLY SYSTEM AND CHECK VALVE