Title:
DUCT STRUCTURE
Document Type and Number:
Japanese Patent JP2003056894
Kind Code:
A
Abstract:
To provide a duct structure in which an air supply/exhaust part of an air duct can be formed in a narrow space and which has the small number of components.
The duct structure comprises a spiral duct 12, and the air supply/exhaust part 10 with a wind volume regulating function is formed on a side face of the duct. The part 10 has a rail 18 and an openable/closable door 20 assembled in an opening 14 of the side face of the duct 12. The door 20 is guided via the rail 18 to slide on an inner peripheral surface of the duct 12. Thus, an opening rate of the opening 14 is regulated to regulate a wind volume of the air flowing through the part 10.
More Like This:
| JP3854566 | LOW NOISE TYPE INDOOR BLOWER |
Inventors:
SHIMOKAWA YUTAKA
Application Number:
JP2001247565A
Publication Date:
February 26, 2003
Filing Date:
August 17, 2001
Export Citation:
Assignee:
HITACHI PLANT ENG & CONSTR CO
International Classes:
F24F13/06; F24F13/12; (IPC1-7): F24F13/06; F24F13/12
Attorney, Agent or Firm:
Kenzo Matsuura