A tank for water-carrying appliances is proposed, in particular domestic appliances or appliances for the treatment of foods and/or beverages, such as beverage vending machines, in particular coffee vending machines, drinking water dispensers, cooking and baking appliances, steam appliances, in part
A tank for water-carrying appliances is proposed, in particular domestic appliances or appliances for the treatment of foods and/or beverages, such as beverage vending machines, in particular coffee vending machines, drinking water dispensers, cooking and baking appliances, steam appliances, in particular steam irons, steam cleaners, high-pressure cleaners, air purifiers and conditioners or the like, a suction connection on the tank for the intake of water from the tank, with means for generating a vacuum, and a filter connection for connecting a filter cartridge inside the tank being provided, while it is ensured that only one permitted filter type is used. A tank according to the invention is characterized by mechanical coding structures at the filter connection element in order to exclude the use of a filter cartridge which does not correspond to the tank.
대표청구항▼
1. In a tank for water-carrying appliances having a filter cartridge, a tank side filter connection, a tank outlet and a means for generating a vacuum and a suction connection to the tank outlet wherein the improvement comprises a tank outlet having a tank-side portion of a divided blending device a
1. In a tank for water-carrying appliances having a filter cartridge, a tank side filter connection, a tank outlet and a means for generating a vacuum and a suction connection to the tank outlet wherein the improvement comprises a tank outlet having a tank-side portion of a divided blending device and sealing surface (60, 65, 136.1, 160, 165, 336.1, 360, 365) with at least one blending port disposed on the tank outlet communicating directly or via a secondary filter stage to connect the tank interior to the tank outlet, said tank outlet accommodating a filter cartridge with a filter side connection element (2) having a filter side portion of the divided blending device and sealing surface having at least one blending port portion disposed in the sealing surface to connect the tank-side portion of the divided blending device with the filter side portion of the divided blending device to blend unfiltered water or water filtered via a secondary stage filter with water filtered through the filter cartridge wherein the tank outlet or a connection piece of the tank outlet and filter cartridge have a coding structure for selectively operating said blending device. 2. The tank as claimed in claim 1 wherein the blending device is adjustable. 3. The tank as claimed in claim 1 or 2 further comprising an angle-dependent blend setting for the blending device. 4. The tank as claimed in claim 1 or 2 wherein the filter cartridge (53) has at least one driver element (57) for actuating a tank-side blending quantity setting (54.1, 65.1, 65.2). 5. The tank as claimed in claim 1 wherein the filter connection (1) has at least one additional coding structure having at least one axial projection (99) and/or at least one axial recess (38) which matches a complementarily coding structure (98, 37) on the filter cartridge (31) employing a key/lock principle. 6. The tank as claimed in claim 1 wherein the coding structure is at the same time a fixing element (16) for fastening the filter cartridge. 7. The tank as claimed in claim 1 further comprising an axial sealing surface for the filter cartridge. 8. The tank as claimed in claim 1 or 2 further comprising a plurality of coding elements or coding structures and an encipherment of coding elements or coding structures. 9. The tank as claimed in claim 1 or 2 further comprising a circumferential sealing surface (24) disposed on the tank-side filter connection. 10. The tank as claimed in claim 1 wherein the tank-side filter connection element has a circumferential encipherment having a plurality of individual coding elements and coding structures. 11. The tank as claimed in claim 10 wherein the tank-side filter connection element has a symmetrical cross section. 12. The tank as claimed in claim 1 or 2 wherein the tank outlet has a coding structure for a filter side key element for the filter cartridge. 13. The tank as claimed in claim 1 or 2 wherein the filter-side tank connection element (2) has a coding structure and a correspondingly shaped seal (32). 14. The tank as claimed in claim 1 further comprising a coding structure and a seal (32) formed by the mating of the sealing surface of the tank-side portion of the divided blending device and the filter side portion of the divided blending device. 15. An adapter (85) for connecting a filter cartridge (31) to a tank having a tank side blending element comprising: (a) an adapter housing having a first end and a second end;(b) the first end of the adapter housing having an opening for sealably connecting with a filter cartridge;(c) the second end of the adapter housing having a first opening to connect with a tank side filter connection for connecting the filter cartridge to the inside of the tank and at least one port communicating with a tank side blending element and a-bottom interior wall of the tank to blend unfiltered water with filtered water from the filter cartridge; and(d) a coding structure disposed on said first end or said second end of said adapter housing. 16. A filter cartridge for insertion into a tank comprising: (a) a filter housing having a filter-side filter connection for mating with a corresponding tank side filter connection;(b) at least one filter side blending port portion disposed in said filter side connection for mating with a tank side blending port in the tank side filter connection, said at least one filter side blending port portion communicating directly with the inside of the tank and said tank side blending port; and(c) a coding structure disposed on said filter-side connection for mating with a corresponding coding structure on the tank side filter connection. 17. An appliance which uses filtered water comprising a tank having one portion of a divided blending device and an outlet disposed on a bottom wall of the tank and at least one blending port disposed in the tank outlet or in the bottom wall of the tank adjacent to the tank outlet for communicating with a filter cartridge having a second portion of a divided blending device, said at least one blending port communicating with at least one blending port portion of the filter cartridge to allow water in the tank to communicate directly with the outlet through the blending port in the outlet and a coding structure with a filter side coding structure disposed on the filter cartridge and a corresponding tank side coding structure disposed on the tank which mate to unite the divided blending device and to provide for the operation of said blending device. 18. The tank as claimed in claim 1 further comprising at least one driver element (57) for actuating a tank-side blending quantity setting (54.1, 65.1, 65.2). 19. The tank as claimed in claim 1 wherein the at least one blending port disposed on the tank and the at least one blending port disposed on the filter at least partially surround one another. 20. The adaptor of claim 15 further comprising a coding structure disposed on said second end of said housing. 21. The filter cartridge of claim 16 further comprising a coding structure disposed on the second end of the filter housing. 22. The appliance of claim 17 further comprising a coding structure disposed on said outlet. 23. A tank for a water appliance comprising: (a) a tank having a tank outlet and a tank bottom and a first portion of a blending device and a first portion of a sealing surface disposed in said tank outlet or in said tank bottom adjacent to said tank outlet;(b) at least one blending port disposed in said blending device disposed in the tank outlet or in the tank bottom communicating with the outlet in said tank;(c) a coded encipherment disposed on the tank outlet or on said tank bottom adjacent to said tank outlet having a rotationally symmetrical contour with various predetermined angular positions for said blending device; and(d) a filter cartridge with a second portion of the blending device and a second portion of said sealing surface and at least one blending port portion and a coded encipherment having a rotationally symmetrical contour with various predetermined angular positions for mating with said coded encipherment disposed on the tank outlet or on said tank bottom to unite said first portion and said second portion of said sealing surface to provide a seal and unite said first portion and said second portion of said blending device. 24. The tank of claim 23 wherein said at least one blending port in said tank outlet or in said tank bottom is a plurality of blending ports and said coded encipherment has a plurality of symmetrical areas to provide a selective mating of said at least one blending port in said filter cartridge with at least one of said plurality of blending ports in said tank outlet or on said tank bottom.
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이 특허에 인용된 특허 (4)
Hatch Gary L. ; Stump Bruce A., Center core cartridge feeder insert.
Posner Mark A. (Los Angeles CA) McQueen Al (Los Angeles CA), Filtration system and mount for beverage dispensers and automatic beverage brewing machines.
Jouatel Christian Bernard,FRX ; Landais ; deceased Francis Pierre Jacques,FRX ITX by Pierre Chevalier ; legal representative, Infusion machine including a water purification device.
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