Centrifugal blower fan

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7086837
APP PUB NO 20040240999A1
SERIAL NO

10829197

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

It is the object of the present invention to provide a centrifugal blower fan capable of reducing a noise in an operating rotational speed range without degradation in blawer performance. A centrifugal blower fan comprises a base plate, and a plurality of fan blades arranged on the base plate in a radial pattern to define a plurality of air passages between the pairs of adjacent fan blades, respectively. A portion of the base plate serving as a bottom wall of each of the air passages is formed with a plurality of through-holes.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
KIORITZ CORPORATION7-2 SUEHIROCHO 1-CHOME OHME TOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iida, Giichi Tokyo, JP 34 634
Kamoshita, Tadashi Nishi-Tokyo, JP 9 106

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 16 Citation Count
  • F04D Class
  • 63.16 % this patent is cited more than
  • 19 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1832813313101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70051015202530354045505560657075808590

Forward Cite Landscape

Load Citation