Heating unit for an appliance for heating and/or frothing milk

A technology of foaming milk and heaters, applied in applications, kitchen utensils, household utensils, etc., which can solve problems such as removal troubles, narrowing of radial passages, reduction of heating power or efficiency of heater units, etc.

Active Publication Date: 2017-08-29
埃弗赛斯股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such deposits and crusts in the radial channels can occur during or after the heating phase when the milk is heated vigorously and lead to a narrowing of the radial channels and thus to a reduction in the heating power or efficiency of the heater unit
Removing deposits and encrustations in narrow radial channels is cumbersome and time-consuming

Method used

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  • Heating unit for an appliance for heating and/or frothing milk
  • Heating unit for an appliance for heating and/or frothing milk
  • Heating unit for an appliance for heating and/or frothing milk

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] exist Figure 1-3The heater unit according to the invention shown in , comprises a reaction block 4 made of plastic, in particular PEEK, PSU or PEI, which essentially has the shape of a cylinder with a central longitudinal axis A. An inner steam channel 1 , an outer annular channel 2 coaxially surrounding the inner steam channel 1 , and an outlet channel 3 arranged coaxially to the steam channel 1 are formed in the reaction block 4 . The steam channel 1 has an upstream end 1 a which is formed by an end-side opening 4 a in the reaction block 4 . Furthermore, the inner steam channel 1 has a downstream end 1 b which opens into an outlet channel 3 extending coaxially on the steam channel 1 in the direction of flow. The outlet channel 3 ends at an end-side opening 4 b in the reaction block 4 . In this case, the diameter of the outlet channel 3 is larger than the diameter of the steam channel 1 , for example twice as large. The outer annular channel 2 is arranged coaxially...

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PUM

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Abstract

An appliance for heating and/or frothing milk, in which steam or a mixture of steam and air acting as a heat carrier is injected into the milk, with the heating unit including an inner steam channel and an outer annular channel for the milk. The outer annular channel coaxially surrounds the inner steam channel, with hot steam or a mixture of steam and air being supplied at an upstream end of the steam channel and with milk being supplied at an upstream end of the annular channel. To improve the heat output and the energy efficiency of the heating unit and to reduce the maintenance requirement, the steam channel and the annular channel are separated from one another, with their downstream ends opening out into an outlet channel for discharging the heated and/or frothed milk.

Description

technical field [0001] The present invention discloses a heater unit of a device for heating and / or frothing milk as well as a device and a method for heating and / or frothing milk with such a heater unit. Background technique [0002] Such a heater unit can be employed, for example, in a beverage vending machine, such as a coffee vending machine with a device for heating and frothing milk for the production of coffee drinks, milk drinks and milk froth drinks of milk. Heated and frothed milk can be used in coffee vending machines to prepare eg milk drinks or milk mixed drinks such as cocoa, milk coffee or cappuccino. [0003] Devices for heating and frothing milk are known from the prior art, which are equipped with a Venturi system, as described, for example, in EP 0 234 236 B1 and EP 0 344 859 B1. In these devices hot steam is used as heat medium and spray medium for heating and transporting milk. However, devices equipped with a Venturi system have a low heating output ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J31/44A47J31/54
CPCA47J31/441A47J31/54A47J31/4485A47J31/4489
Inventor 格雷瓜尔·洛赫
Owner 埃弗赛斯股份公司
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