Title:
VENTILATION DEVICE
Document Type and Number:
Japanese Patent JPH062907
Kind Code:
A
Abstract:
PURPOSE: To clean a filter of a ventilation device automatically, reduce pressure loss during cleaning time and prevent water drops from scattering.
CONSTITUTION: A ventilation hole 18 is installed to a filter 10 made of a permeable material. A cleaning solution is adapted to penetrate into the filter 10 in such a fashion that the ventilation hole may not be clogged and water drops may be prevented from scattering, thereby catching stains, such as soot and dust in a contaminated air promptly and cleaning the filter 10.
Inventors:
KATO KENJI
UTAGAWA TOSHIO
UTAGAWA TOSHIO
Application Number:
JP9921492A
Publication Date:
January 11, 1994
Filing Date:
April 20, 1992
Export Citation:
Assignee:
MATSUSHITA SEIKO KK
MATSUSHITA ELECTRIC IND CO LTD
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
B01D46/10; B01D46/42; F24F7/06; (IPC1-7): F24F7/06; B01D46/10; B01D46/42
Attorney, Agent or Firm:
Akira Kobuki
Next Patent: KITCHEN EXHAUST AIR EMISSION DEVICE