Title:
CENTRIFUGAL FAN
Document Type and Number:
Japanese Patent JP2018003686
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To obtain a centrifugal fan configured to efficiently cool electronic components with a simple structure.SOLUTION: A centrifugal fan includes: an impeller 8 including a pin extending in an axial direction; a rotor yoke 18 provided with an open hole through which the pin penetrates, and connected to the impeller 8 by penetrating the pin through the open hole; and a circuit substrate 30 arranged with an interval between itself and the rotor yoke 18. Provided is a tip part 11c' of the pin projecting from the rotor yoke to the circuit substrate side. The plurality of pins are arranged, and their circumferential position is not uniform.SELECTED DRAWING: Figure 2
Inventors:
NARA KIYOHISA
FUJIMOTO SEIYA
FUJIMOTO SEIYA
Application Number:
JP2016130804A
Publication Date:
January 11, 2018
Filing Date:
June 30, 2016
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
F04D29/58; F04D29/28; F04D29/62; H02K7/14
Domestic Patent References:
| JP2013245658A | 2013-12-09 | |||
| JP2000045992A | 2000-02-15 | |||
| JPH074390A | 1995-01-10 |
Attorney, Agent or Firm:
Suenari Mikio