Title:
AIR CLEANER
Document Type and Number:
Japanese Patent JP3159034
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the output of a filter replacing sign exactly in conformity to the actual contaminated state of a filter unit.
SOLUTION: This air cleaner is provided with a blower 2 contained in a casing 1, a filter unit 3 on the suction side of the blower 2 and a sensor 30 to detect the contamination degree of the sucked air, and the air deodorized and purified by the filter unit 3 is blown out from an air blowoff port. A control means to output a filter replacing sign to urge the replacement of the unit 3 when the value detected by the sensor 30 above a specified level is continued for a set time is attached. The air purifying function of the unit 3 is supposed to reach its limit due to the clogging of the unit 3 when the value detected by the sensor 30 above the specified level is continued for a specified time, and the filter replacing sign exactly in conformity to the actual contaminated state of the unit 3 is outputted.
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Inventors:
Keiji Nakai
Application Number:
JP3480596A
Publication Date:
April 23, 2001
Filing Date:
February 22, 1996
Export Citation:
Assignee:
Tiger Thermos Co., Ltd.
International Classes:
A61L9/16; B01D53/30; B01D53/34; B01D53/38; B01D53/81; (IPC1-7): B01D53/38; A61L9/16; B01D53/30
Domestic Patent References:
| JP2102711A | ||||
| JP62144732A | ||||
| JP6142317A | ||||
| JP5615819A | ||||
| JP354724U | ||||
| JP183417U |
Attorney, Agent or Firm:
Hiroshi Ohama