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1. WO1996038077 - COFFEE-MAKING PROCESS AND CORRESPONDING COFFEE-MAKING MACHINE

Publication Number WO/1996/038077
Publication Date 05.12.1996
International Application No. PCT/EP1995/004112
International Filing Date 20.10.1995
Chapter 2 Demand Filed 18.11.1996
IPC
A47J 31/00 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
31Apparatus for making beverages
A47J 31/46 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
31Apparatus for making beverages
44Parts or details of beverage-making apparatus
46Dispensing spouts, pumps, drain valves or like liquid transporting devices
A47J 31/54 2006.01
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
31Apparatus for making beverages
44Parts or details of beverage-making apparatus
54Water boiling vessels
CPC
A47J 31/002
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
31Apparatus for making beverages
002following a specific operational sequence, e.g. for improving the taste of the extraction product
A47J 31/461
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
31Apparatus for making beverages
44Parts or details ; or accessories; of beverage-making apparatus
46Dispensing spouts, pumps, drain valves or like liquid transporting devices
461Valves, e.g. drain valves
A47J 31/545
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
31Apparatus for making beverages
44Parts or details ; or accessories; of beverage-making apparatus
54Water boiling vessels ; in beverage making machines
542Continuous-flow heaters
545Control or safety devices
Applicants
  • BRAUN AKTIENGESELLSCHAFT [DE]/[DE] (AllExceptUS)
  • SCHAMBERG, Stefan [DE]/[DE] (UsOnly)
  • STÜCHER, Reinhard [DE]/[DE] (UsOnly)
  • TREBITZ, Bernd [DE]/[DE] (UsOnly)
  • KLEEMANN, Christof [DE]/[DE] (UsOnly)
  • DRIESEN, Georges [DE]/[DE] (UsOnly)
  • AMSEL, Klaus [DE]/[DE] (UsOnly)
Inventors
  • SCHAMBERG, Stefan
  • STÜCHER, Reinhard
  • TREBITZ, Bernd
  • KLEEMANN, Christof
  • DRIESEN, Georges
  • AMSEL, Klaus
Priority Data
195 20 121.301.06.1995DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUR ZUBEREITUNG VON KAFFEE UND KAFFEEMASCHINE HIERZU
(EN) COFFEE-MAKING PROCESS AND CORRESPONDING COFFEE-MAKING MACHINE
(FR) PROCEDE DE PREPARATION DE CAFE ET MACHINE A CAFE CORRESPONDANTE
Abstract
(DE)
Bei dem Verfahren zur Zubereitung von Kaffee, bei dem heißes Wasser durch das Kaffeemehl (47) hindurchgeleitet wird, wird unter anderem zur Intensivierung des Aromas und zum Erreichen eines besseren Kaffeegeschmacks das Kaffeemehl (47) mit Dampf beaufschlagt, bevor zumindest die wesentliche Menge des heißen Wassers hindurchgeleitet wird. Bei der erfindungsgemäßen Kaffeemaschine besteht diese aus einem Durchlauferhitzer (7), einem an diesem über ein Rückschlagventil (6) anschließbaren Wasserbehälter (1), einem Kaffeefilter (10) zur Aufnahme des Kaffeemehls (47) und einem Auffanggefäß (11) zur Aufnahme des Kaffees, wobei zwischen dem Wasserbehälter (1) und dem Durchlauferhitzer (7) ein steuerbares Auslaßventil (4, 5) angeordnet ist. Das Auslaßventil (4, 5) hat in einer ersten Stellung einen kleinen Durchlaßquerschnitt (2), der so klein bemessen ist, daß die austretende Wassermenge im Durchlauferhitzer (7) vollständig verdampft. In einer zweiten Stellung hat das Auslaßventil (4, 5) einen großen Durchlaßquerschnitt (3), der wenigstens so groß bemessen ist, daß die austretende Wassermenge im Durchlauferhitzer (7) ohne nennenswerte Dampfentwicklung erhitzt und gefördert wird.
(EN)
The invention concerns a coffee-making process in which hot water is passed through the ground coffee (47). In order $i(inter alia) to increase the intensity of the aroma and improve the taste of the coffee, steam acts on the ground coffee (47) before at least the majority of the hot water is passed therethrough. The invention also concerns a coffee-making machine which comprises an instantaneous water heater (7), a water reservoir (1) which can be connected to the latter via a non-return valve (6), a coffee filter (10) for accommodating the ground coffee (47) and a collection vessel (11) for receiving the coffee. A controllable outlet valve (4, 5) is disposed between the water reservoir (1) and the instantaneous water heater (7). In a first setting, the outlet valve (4, 5) has a small passage cross-section (2) which is so small that the amount of water emerging evaporates completely in the instantaneous water heater (7). In a second setting the outlet valve (4, 5) has a large passage cross-section (3) which is at least large enough for the amount of water emerging to be heated in the instantaneous water heater (7) and conveyed without generating notable amounts of steam.
(FR)
L'invention concerne un procédé de préparation de café, selon lequel de l'eau chaude est guidée à travers de la mouture de café (47). Il est prévu afin notamment de corser l'arôme du café et d'en rendre le goût encore meilleur, d'appliquer de la vapeur à la mouture de café (47) avant de faire passer au moins la majeure partie du volume d'eau chaude. L'invention concerne également une machine à café qui comprend un chauffe-eau instantané (7), un réservoir d'eau (1) raccordable au précédent par l'intermédiaire d'un clapet antiretour (6), un filtre à café (10) destiné à contenir la mouture de café (47) et un récipient collecteur (11) servant à recueillir le café passé. Une soupape de sortie (4, 5) régulable est placée entre le réservoir d'eau (1) et le chauffe-eau instantané (7). Dans une première position, la soupape de sortie (4, 5) présente une section transversale de passage (2) réduite dont la dimension est si petite que le volume d'eau qui sort s'évapore complètement dans le chauffe-eau instantané (7). Dans une seconde position, la soupape de sortie (4, 5) présente une section transversale de passage (3) importante dont la dimension est si grande que le volume d'eau qui sort est chauffé dans le chauffe-eau instantané (7) sans dégagement notable de vapeur, et est acheminé.
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