Title:
ELECTRIC FAN CONTROL DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JPH04255523
Kind Code:
A
Abstract:
PURPOSE:To extremely keep electronic parts of a control circuit required for controlling an electric fan for cooling a capacitor from outgoing radiation of a motor without any increase in the space. CONSTITUTION:In a fan shroud 10 extended from the front surface of a capacitor, a motor 20a of an electric fan 20 is co-axially supported, and a casing member 30 is co-axially installed on the rear portion 23 of the motor on the outside thereof. A hollow portion 31 is bored in the center of the casing member 30 opposite to the rear portion 23 of the motor 20, and a semiconductor control circuit 34 for the motor 20a is assembled with a heat sink 33 in another hollow portion 32 of the casing member 30. A clearance gap (g) is provided between opposite surfaces of the casing member 30 and a flange 21 of the motor 20a.
Inventors:
FURUTA SHIGEKI
MOKUYA HIROBUMI
MITSUYA NOBUO
TAKEUCHI KAZUHIRO
MOKUYA HIROBUMI
MITSUYA NOBUO
TAKEUCHI KAZUHIRO
Application Number:
JP3794191A
Publication Date:
September 10, 1992
Filing Date:
February 06, 1991
Export Citation:
Assignee:
NIPPON DENSO CO
International Classes:
F01P5/02; F02B77/11; (IPC1-7): F01P5/02; F02B77/11
Attorney, Agent or Firm:
Yoji Ito