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Brewing unit for a coffee maker

A technology of brewing unit and coffee machine, which is applied in the field of brewing unit, and can solve problems such as impracticability

Inactive Publication Date: 2014-01-22
艾格罗瑞士公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is not achievable for brewing chambers with a predetermined fixed volume but filled with different amounts of ground coffee

Method used

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  • Brewing unit for a coffee maker
  • Brewing unit for a coffee maker
  • Brewing unit for a coffee maker

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] In the figures, unless expressly stated to the contrary, the same reference numerals are used for the same elements, and the initial explanation applies to all figures.

[0011] exist figure 1 , schematically shows a cross-sectional view of the basic elements of the brewing unit according to the invention, coinciding with the brewing chamber. The principle of the brewing unit and how it operates will be explained with reference to this view. A brewing unit 1 for a coffee machine to brew ground coffee comprises a housing (not shown) of the brewing unit; a sleeve 4, open at the top and closed at the bottom by a base 7, into which the ground coffee is Introduced into sleeve 4 ; upper plunger 3 and brewing plunger 6 for compressing ground coffee 10 in brewing chamber 5 . The upper plunger 3 is fixedly connected to the housing of the brewing unit, the sleeve 4 and the brewing plunger 6 are movable and pivotable arranged in the housing 2 of the brewing unit, the brewing plu...

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PUM

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Abstract

The invention relates to a brewing unit (1) for a coffee maker for brewing a ground coffee portion (10), comprising a brewing unit housing (2), an upper plunger (3) firmly connected to the brewing unit housing (2), a holder (4) for receiving the ground coffee portion (10), said holder being open at the top and closed at the bottom by a base (7), and a brewing plunger (6) for compressing the ground coffee portion (10) in a brewing chamber (5). The holder (4) and the brewing plunger (6) are disposed movably and pivotally in the brewing unit housing (2). Mechanical operating elements are provided in the brewing unit housing (2) for raising, lowering, and pivoting the holder (4) and the plunger (3). The brewing plunger (6) is hydraulically guided displaceably in the holder (4) relative to the holder (4). Between the brewing plunger bottom side (14) and the base (7) of the holder (4) a lower chamber space (13) is provided, into which the hot water supply (8) opens. The brewing plunger (3) has a passage (11) for the hot water, said passage being provided with a valve (12) and connecting the lower chamber space (13) to the brewing chamber (5). When supplying pressurized hot water via the hot water supply (8) in the lower chamber space (13), overpressure is created there, by which the brewing plunger (6) can be hydraulically pressed in the direction of the brewing chamber (5).

Description

technical field [0001] The present invention relates to a brewing unit for a coffee machine to brew ground coffee (ground coffee), in particular for a so-called "espresso machine" in which the proportion of ground coffee is determined before the beverage is prepared The removal of the spent ground coffee after the delivery and preparation of the beverage takes place more or less automatically and it allows the continuous preparation of the desired number of fresh coffees. Background technique [0002] A known device for preparing coffee has, for example: a housing; a fresh water connection or a fresh water tank; a heating element for heating the fresh water; for delivering the heated fresh water under pressure to the brewing chamber A device provided with a sealing member, an inlet for beverage powder and an outlet for beverage; means for discharging or removing spent beverage powder from the brewing chamber; and actuation and control for the above-mentioned device part. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47J31/36
CPCA47J31/3609
Inventor S·拉克斯图尔
Owner 艾格罗瑞士公司
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