Feed device having a function of sustained release for a...

B - Operations – Transporting – 05 – B

Patent

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B05B 7/24 (2006.01) A47K 3/28 (2006.01) B05B 1/18 (2006.01) E03C 1/046 (2006.01) B05B 15/00 (2006.01)

Patent

CA 2378821

A feed device having a function of sustained release for a mixing solution is provided, which can release the mixing solution in a suitable amount in correspondence with the flow rate of running water to thereby use the mixing solution efficiently without a loss so that the service life and exchange period of a cartridge can be prolonged. The feed device comprises a body (1) having a supply channel (4), a cartridge (10) provided in the body (1) defining in the inside thereof a holding chamber (49) for holding a mixing solution and a dilution chamber (50, 51), and means (40, 42) for rotating the cartridge (10). The dilution chamber is communicated with the supply channel (4) through a sustained release outlet (12), while the dilution chamber is supplied with the mixing solution from the holding chamber (49). Furthermore, the feed device may comprise an inner magnet (52, 53) provided in the cartridge (10) and an outer magnet (55, 56) provided on the body (1). When water passes through the supply channel (4), the mixing solution supplied to the dilution chamber (50) is diluted with the water introduced thereinto through the sustained release outlet (12) and the mixing solution or diluted mixing solution is stirred by the inner magnet (52, 53) maintained at a standstill as attracted by the outer magnet (55, 56) while the mixing solution diluted to a uniform low concentration is sustainedly released from the dilution chamber (50) through the sustained release outlet (12) to the supply channel (4).

La présente invention concerne un doseur pour eau capable, d'une part de libérer une solution de mélange de façon soutenue en une quantité adaptée au débit d'eau de ville, et d'autre part d'utiliser la solution de mélange de façon suffisamment efficace pour espacer les remplacements de la cartouche. Ce doseur pour eau comporte un corps principal (1) pourvu d'une amenée d'eau (4), une cartouche (10) montée dans le corps principal (1) où elle définit une chambre de stockage de solution de mélange (49) et une chambre de dilution (50, 51), et une virole de blocage (40, 42) de cartouche (10), la chambre de dilution communiquant avec l'amenée d'eau (4) via un orifice de libération soutenue (12) et recevant la solution de mélange depuis la chambre de stockage (49). Le doseur pour eau peut également comporter des aimants intérieurs (52, 53) disposés à l'intérieur de la cartouche (10), et des aimants extérieurs (55, 56) disposés sur le corps principal (1). Lorsque l'eau coule par l'amenée d'eau (4), la solution de mélange fournie dans la chambre de dilution st diluée avec l'eau introduite par l'orifice (12), ce qui fait que la solution de mélange, éventuellement diluée, est attirée vers les aimants extérieurs (55, 56) et agitée par les aimants intérieurs (52, 53) maintenus stationnaires, la solution de mélange venant se diluer à faible concentration de façon uniforme au départ de la chambre de dilution (50) dans l'amenée d'eau (4) via l'orifice (12).

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