Reduction of pump nuisance

A pump chamber and pump inlet technology, which is applied in the field of reducing pump pollution, can solve problems such as the quality of beverage preparation equipment or adverse effects of operation, and achieve the effects of increasing the risk of fluid leakage, increasing costs, and simplifying assembly steps.

Inactive Publication Date: 2012-11-14
SOC DES PROD NESTLE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These vibrations can then be transmitted to the device housing and thus adversely affect the quality or operating feel of the beverage preparation device
In addition, these vibrations can adversely affect other components housed within the device housing

Method used

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  • Reduction of pump nuisance
  • Reduction of pump nuisance
  • Reduction of pump nuisance

Examples

Experimental program
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Embodiment Construction

[0051] figure 1 Different parts of the beverage preparation machine 1 are shown. Generally, such beverage preparation machines are suitable for preparing coffee, tea and / or other hot drinks including soups and similar food preparations. The pressure of the liquid circulated to the brewing chamber may for example be up to about 10-20 bar. Various components of a beverage preparation machine 1 and components thereof are generally disclosed in WO 2009 / 130099, the content of which application is hereby incorporated by reference.

[0052] figure 1 In general a general view of the internal structure which may be present in a beverage preparation machine 1 according to the invention is provided. figure 2 A particular embodiment of a pump 800 installed in a beverage preparation machine 1 is shown in more detail. image 3 and 4 One embodiment of a pump 800 according to the invention is shown in more detail.

[0053] In a perspective view of a part of the beverage preparation mac...

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Abstract

A pump (800) for a beverage preparation machine (1) has: a pump inlet (810); a pump outlet (820); a liquid driver (815, 816) for pressurising and circulating a liquid from the pump inlet to the pump outlet; and a downstream pump conduit (870, 871, 872) connecting in fluid communication the liquid driver to the pump outlet. The downstream pump conduit comprises a liquid dampener (860) for dampening upstream the pump outlet vibrations in such liquid which are generated by the liquid driver so as to circulate via the pump outlet dampened pressurised liquid from the liquid driver.

Description

technical field [0001] The present invention relates to the reduction of nuisance generated by vibrating pumps in beverage preparation machines in particular. [0002] For the purposes of this specification, "beverage" is intended to include any liquid food such as tea, coffee, hot or cold chocolate, milk, soup, baby food, and the like. "Capsule" is intended to include closed packaging of any material and of any shape and configuration - especially airtight packaging, such as plastic, aluminium, recyclable and / or biodegradable packaging, including soft pods or rigid packaging containing ingredients Cartridge - Any pre-portioned beverage ingredient within. Background technique [0003] Beverage preparation machines have been known for many years. For example, US 5,943,472 discloses a water circulation system between the water reservoir and the hot water or steam distribution chamber of an espresso machine. The circulation system consists of valves, metal heating tubes and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J31/46
CPCA47J31/46A47J31/468
Inventor R·迈施G·伽维勒
Owner SOC DES PROD NESTLE SA
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