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Beverage preparation machine having a liquid level sensor

A technology of liquid level sensor and beverage preparation, which is applied in the field of beverage preparation machines and can solve problems such as prone to failure

Inactive Publication Date: 2010-09-01
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The level sensor therefore exists outside the separable liquid container and does not require a separable connection between the beverage preparation machine and the level sensor, which is often prone to failure

Method used

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  • Beverage preparation machine having a liquid level sensor
  • Beverage preparation machine having a liquid level sensor
  • Beverage preparation machine having a liquid level sensor

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Embodiment Construction

[0016] figure 1 A beverage preparation machine according to the invention is shown. The beverage preparation machine comprises a separable liquid container 10 for storing a liquid, usually water or water including some additives. The beverage preparation machine is adapted to receive and hold the liquid container 10 so that the connection described later can be made with the beverage preparation machine in the state where the liquid container is installed in its intended position. Through the bottom of the liquid container 10, two outlets 12 and 14 are formed. If the separable liquid container 10 is installed in a beverage preparation machine, the outlet 12 communicates with the riser tube 16 through the connection part 18 . The riser 16 is an elongated cylindrical pipe whose longitudinal axis extends in the direction of gravity beyond the upper maximum fill level of the installed liquid container 10 (in this detailed description, terms such as "upper" or "lower" are pointi...

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Abstract

The present invention provides a beverage preparation machine comprising a detachable liquid container (10), a liquid level sensor (19) for determining the liquid level within the liquid container (10), and a riser pipe (16) connectable with the liquid container (10), wherein, the liquid level sensor (19) senses the liquid level within the riser pipe (16) for determining the liquid level within the liquid container (10). This beverage preparation machine provides the advantage that the liquid level in the riser pipe is kept exactly the same as in the liquid container during consumption of liquid out of the liquid container and that the liquid level in the riser pipe is not influenced by a suction effect caused by this consumption. This gives the advantage of measuring exactly the amount of water removed out of the water container, which provides the opportunity to control the quantity of liquid, which is to be consumed, as accurate as possible.

Description

technical field [0001] The invention relates to a beverage preparation machine comprising a detachable liquid container, a riser connectable to the liquid container, and a liquid level sensor for sensing the liquid level in the riser to determine the liquid container liquid level in . Background technique [0002] In EP 1514500 A1 a beverage preparation machine is known which comprises a detachable liquid container. A riser tube is provided in the beverage preparation machine, which is connectable to the liquid container. Furthermore, a liquid level sensor is provided for sensing the liquid level in the riser tube to determine the liquid level in the liquid container. This arrangement provides the benefit that the liquid level sensor does not have to be provided in the liquid container and the sensing is relocated outside the liquid container. Thus, the level sensor exists outside the separable liquid container and no separable connection is required between the beverage ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47J31/44
CPCA47J2203/00A47J31/4457A47J31/56
Inventor H·J·科登P·达姆
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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