Title:
VENTILATING DEVICE
Document Type and Number:
Japanese Patent JP3275837
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve maintenance performance by composing a device for easy replacing a bearing or cleaning a runner.
SOLUTION: In a ventilating device provided with runners 31, 35 at both ends of a rotor shaft 20 of a motor, and blower casings 32, 37 to cover the respective runners 31, 35 installed on respective end brackets 15 of the motor, bearings 41, 45 to support the both ends of the rotor shaft 20 are respectively installed on the blower casings 32, 37. Replacement of the bearings 41, 45 can thus be performed by removing the casings 32, 37, and a cover 46. Cleaning the runners 31, 35 can be performed by removing the casings 32, 37. Such work can thus be easily performed.
Inventors:
Tomotari Shibuya
Kenji Kobayashi
Haruo Hirakawa
Takashi Matsubara
Kenji Kobayashi
Haruo Hirakawa
Takashi Matsubara
Application Number:
JP18190098A
Publication Date:
April 22, 2002
Filing Date:
June 29, 1998
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
B61D27/00; B60H1/24; (IPC1-7): B60H1/24; B61D27/00
Domestic Patent References:
| JP6237553A | ||||
| JP4368214A | ||||
| JP6474161A |
Attorney, Agent or Firm:
Yasuo Sakuta