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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2004208874
Kind Code:

To provide a carpet cleaner which is considered to automatically start a non self-feeding power pump to speedily pressure-feed washing water pressured by a jet nozzle to the side of the jet nozzle without performing troublesome priming of water in the case of sending and jetting the washing water filling a tank to the jet nozzle by using the non self-feeding power pump.

On the discharging side of the non self-feeding power pump 2P for sending and jetting the washing water CW in the water-feeding tank 1A to the jet nozzle 3N, a branch pipe the one side of which is connected with the jet nozzle 3N and the other side of which is connected with the water-feeding tank 1A via an electromagnetic switch valve 10T are successively provided. Prior to driving the power pump 2P, the switch valve 10T is opened. When the current value of a pump motor 2PM amounts to a prescribed value within a prescribed time and the state is detected for not shorter than a prescribed period, the switch valve 10T is closed to continue driving of the power pump 2P.

More Like This:
Ito, Yoshinori
Kawai, Taiji
Sato, Tetsuya
Application Number:
Publication Date:
July 29, 2004
Filing Date:
December 27, 2002
Export Citation:
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International Classes:
A47L11/34; A47L11/30; F04D15/00; (IPC1-7): A47L11/34; A47L11/30