Title:
FILTER DEVICE FOR BATH TUB WATER
Document Type and Number:
Japanese Patent JP3225601
Kind Code:
B2
Abstract:
PURPOSE: To provide the filter device for bath tub water which can control a filter to surely execute a backwashing action and can prevent a trouble, such as generation of smells in the bath tub water.
CONSTITUTION: The backwashing action is started when a run switch 17 is turned on while a water level sensor 7 is on. The backwashing action is ended upon lapse of the prescribed period of time. A timer 28 is driven simultaneously with the end thereof to count for the prescribed period of time. The timer 28 ends counting for the prescribed period of time when the water level sensor 7 is on. The backwashing action is thereafter started first when the run switch 17 is turned on.
Inventors:
Masahiro Yasutake
Tsutomu Yoshimura
Tetsuya Anan
Tsutomu Yoshimura
Tetsuya Anan
Application Number:
JP17401592A
Publication Date:
November 05, 2001
Filing Date:
July 01, 1992
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
B01D35/027; B01D35/16; E03C1/244; F24H9/00; (IPC1-7): B01D35/027; B01D35/16; E03C1/244; F24H9/00
Domestic Patent References:
| JP360709A |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)