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Control system for a pump of a beverage preparation machine

A technology for controlling systems and machines, applied in beverage preparation devices, pump controls, machines/engines, etc., to reduce noise

Active Publication Date: 2020-10-13
SOC DES PROD NESTLE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of controlling the voltage in this way is that there is still an undesirable amount of noise

Method used

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  • Control system for a pump of a beverage preparation machine
  • Control system for a pump of a beverage preparation machine
  • Control system for a pump of a beverage preparation machine

Examples

Experimental program
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Embodiment Construction

[0043] Beverage / Food Preparation Systems

[0044] Beverage or food preparation system 2, an example of which is in figure 1 Shown in , at its first level comprises: a beverage or food preparation machine 4; a container 6, which is described hereinafter.

[0045] preparation machine

[0046] The beverage or food preparation machine 4 is operable to process a beverage or food component, which may comprise a portion ( material in this article) container or material on site. Foodstuffs as defined herein may include substances capable of being processed into nutritious substances generally suitable for consumption, which may be cold or hot, non-exhaustive examples of which are: yoghurt; mousse; parfait; soup; ice cream ; sorbet; breakfast cereal; semolina; couscous; custard; smoothie. Beverage material as defined herein may include substances capable of being processed into drinkable substances, which may be cold or hot, non-exhaustive examples of which are: tea; coffee, in...

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PUM

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Abstract

The present invention discloses a beverage or food preparation machine (4), said machine comprising: a component processing unit (14) operable to prepare a beverage or food from a beverage or food component, said component processing unit comprising a a pump (22) arranged to deliver fluid to said components; a control system (16) configured to control the waveform of electrical energy supplied to said pump (22), wherein said controlling comprises transferring said A portion of the repeating unit of the waveform is chopped, whereby the chopped portion changes in a non-linear manner with respect to time between the start and end of the start-up phase, and the rate of change near the end is at a ratio of larger near the origin.

Description

technical field [0001] The invention relates to the control of pumps of beverage or food preparation machines. In particular, the invention relates to such machines with said controls and to methods and computer programs for controlling said pumps. Background technique [0002] Machines for preparing beverages or food are increasingly configured to operate with containers comprising single servings of beverage or food material such as coffee, tea, ice cream, yoghurt. The machine may be configured for preparation by processing said material in the container, eg by adding a fluid such as milk or water and then applying mixing thereto, such machines are disclosed in PCT / EP13 / 072692. Alternatively, the machine may be configured to prepare by at least partially extracting material components from the container, eg by dissolving or brewing. Examples of such machines are provided in EP 2393404 A1, EP 2470053 A1, WO 2009 / 113035. [0003] The growing popularity of these machines c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47J31/52A47J31/46
CPCA47J31/46A47J31/52A47J31/525A47J31/5255A47J31/5253F04B17/042F04B49/20
Inventor M·鲁杰罗S·基奥达
Owner SOC DES PROD NESTLE SA