Beverage machine with integrated ultrasonic transceiver

An ultrasonic wave and beverage machine technology, applied in the field of beverage machines, can solve the problems of inaccuracy, fragility, and easy damage, and achieve the effect of reliable measurement of liquid level and/or flow rate and improved resolution

Inactive Publication Date: 2016-11-16
NESTEC SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

They are not very precise, fragile and easily damaged
Also, some solid parts may be blocked if they accidentally flow with the liquid

Method used

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  • Beverage machine with integrated ultrasonic transceiver
  • Beverage machine with integrated ultrasonic transceiver
  • Beverage machine with integrated ultrasonic transceiver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0067] figure 1 The tank 2 and the dispenser 7 of the beverage machine of the invention are shown. Tank 2 holds liquid (indicated by the shaded area) which is used by the beverage machine to prepare hot or cold beverages. As a preferred but non-limiting example, the machine is designed for the preparation of nutritional liquids such as infant formula. For simplicity, well-known components of the beverage, such as pumps, heaters or brewing (or dilution) units, are not shown. Typically, the liquid in the tank is water. However, the invention is not limited to tanks holding water, and the tanks may hold different liquids, such as milk. For example, the liquid may then be mixed with a serving of an ingredient such as infant formula powder or liquid concentrate contained in a packaging container such as a portioning capsule or pod.

[0068] The interface between the liquid in the tank and the air is the liquid level 5. The distance from the bottom of the tank to the liquid lev...

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PUM

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Abstract

The present invention discloses a beverage machine (1) comprising a tank (2), which holds a liquid for preparing a beverage, and a dispenser (7), to which the tank is connectable, wherein the tank (2) comprises a valve (8); the dispenser comprises an opening (9) for receiving the valve in connection of the tank on the dispenser; at least one ultrasonic transceiver (3) is disposed in the dispenser (7) or tank (2), the ultrasonic transceiver being designed to emit and receive ultrasonic waves (4a, 4b) in the liquid, in order to determine the distance (d) from the transceiver to the liquid level (5), wherein it further comprises a control unit (6), which is connected to the ultrasonic transceiver (3) which is adapted to determine the distance (d) changing with time and as a result the volume (V) of the liquid flowing out of the tank.

Description

technical field [0001] The invention discloses a beverage machine with an integrated ultrasonic transceiver. In particular, by means of an ultrasonic transceiver, the level of liquid in the tank of the beverage machine and / or the volume of liquid flowing from the tank can be precisely determined. Background technique [0002] Machines for preparing hot or cold drinks usually comprise a tank in which a liquid, such as water or milk, is contained. The tank is typically removably connectable to the dispenser of the beverage machine, and when in operation, the beverage machine uses liquid from the tank to prepare a beverage. Every beverage generally requires a certain volume of liquid to mix with the beverage ingredients. The more precisely the liquid volume is determined, the better the quality of the beverage. Additionally, storage tanks should generally only hold a maximum volume of liquid. Additionally, in order to prepare the beverage, a minimum volume of liquid is requ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47J31/44A47J31/56
CPCA47J31/4457A47J31/52A47J31/525A47J31/56Y10T137/8158
Inventor R·伯恩哈茨格吕特R·库格勒Y·埃帕尔H·P·普莱奇V·马丁
Owner NESTEC SA
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