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A food or beverage preparation machine with antiscaling pipe system

A beverage preparation and preparation machine technology, which is applied in beverage preparation devices, home appliances, kitchen appliances, etc., can solve the problems of adding extra cost to the machine, excessive cost, failure, etc.

Inactive Publication Date: 2016-03-16
NESTEC SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, while this technique has certain advantages, it adds additional complexity to the machine, and therefore to the product, additional potential for failure, as well as additional cost to the machine, which makes it difficult for consumers to purchase the machine spend more

Method used

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  • A food or beverage preparation machine with antiscaling pipe system

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Embodiment Construction

[0018] figure 1 The preparation machine M according to the invention shown in is a beverage preparation machine for use with single-use ingredient capsules C.

[0019] The preparation machine M comprises a water reservoir detachably attached to the main body of the preparation machine and fluidly connected by a fluid connection tube 2 to a fluid pump 3 suitable for use when said capsule is functionally inserted into said preparation machine M Water is made to flow from the reservoir to capsule C through the preparation machine function. The pump 3 is, for example, a solenoid piston pump. However, other types of pump devices may also be used.

[0020] Preparation machine M also includes two tubes extending from the pump output, each of the two tubes corresponding to an alternative water flow path according to the temperature selection selected by the user, as described below. A first fluid connection 20 connects the pump 3 to a heating element 4, so as to direct the water di...

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Abstract

The present invention concerns a food or beverage preparation machine (M) comprising a casing, a mineralized fluid source (1), a receptacle (10) adapted for functionally enclosing at least one food or beverage ingredient container (C),means (3) for conducting said mineralized fluid (13) from said source (1) to the interior of said capsule (C), optionally a heating and / or chilling device (4), and a fluid pipe system (2, 20, 21, 22) that fluidly connects said source (1), said conducting means (3), said receptacle (10), and said heating and / or chilling device (4), characterized in that at least one portion of the fluid pipe system (2, 20, 21, 22) and / or conducting means (3), and / or heating / chilling device (4) is made of a smart memory alloy (SMA),or smart memory polymer (SMP) designed to reversibly expand or contract above a defined temperature threshold in order to negate the buildup of scale or other deposits on the surfaces in contact with the mineralized fluid (13) by mechanical action, during operation of said machine.

Description

technical field [0001] The present invention relates to a food or beverage preparation machine comprising a fluid piping system having anti-fouling properties. Background technique [0002] In known food or drink preparation machines, especially for domestic use, there is a problem of fouling due to deposits of minerals contained in the mixing liquid used in preparing the food or drink. Often, minerals such as calcium accumulate in the fluid piping system of the preparation machine and possibly also to other functional components that come into contact with the mineral-containing fluid, such as fluid pumps or fluid heaters, eventually causing the preparation machine to clog. More precisely, mineral deposits on the contacting surfaces of the fluid directing elements of the preparation machine mainly occur in said fluid directing element portions where the fluid is subjected to thermal changes or turbulence, especially in sudden changes in conduit diameter Time. [0003] In ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J31/60
CPCA47J31/60A47J31/407A47J31/462
Inventor J·P·加瓦纳A·施皮格尔
Owner NESTEC SA
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