WO2006071137A2 - Hot sand coffee brewing device - Google Patents

Hot sand coffee brewing device Download PDF

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Publication number
WO2006071137A2
WO2006071137A2 PCT/RU2005/000659 RU2005000659W WO2006071137A2 WO 2006071137 A2 WO2006071137 A2 WO 2006071137A2 RU 2005000659 W RU2005000659 W RU 2005000659W WO 2006071137 A2 WO2006071137 A2 WO 2006071137A2
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WO
WIPO (PCT)
Prior art keywords
tray
plate
heat
coffee
enclosing frame
Prior art date
Application number
PCT/RU2005/000659
Other languages
French (fr)
Russian (ru)
Other versions
WO2006071137A3 (en
Inventor
Nikolaj Aleksandrovich Kravtsov
Original Assignee
Kravtsov Nikolaj Aleksandrovic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Kravtsov Nikolaj Aleksandrovic filed Critical Kravtsov Nikolaj Aleksandrovic
Publication of WO2006071137A2 publication Critical patent/WO2006071137A2/en
Publication of WO2006071137A3 publication Critical patent/WO2006071137A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/007—Apparatus for making beverages for brewing on a large scale, e.g. for restaurants, or for use with more than one brewing container
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • A47J31/441—Warming devices or supports for beverage containers
    • A47J31/4425—Supports for beverage containers when filled or while being filled
    • A47J31/4432—Supports for beverage containers when filled or while being filled with means for keeping the beverage warm
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • A47J31/441—Warming devices or supports for beverage containers
    • A47J31/4425—Supports for beverage containers when filled or while being filled
    • A47J31/4453—Supports for beverage containers when filled or while being filled interposed between means for keeping the beverage warm and the beverage container, e.g. spacers for raising the beverage container from the heated support plate in order to reduce heat transfer

Definitions

  • the invention relates to kitchen equipment, and more particularly to a device for preparing drinks and can be used for brewing coffee.
  • a device for making coffee consisting of a container with a handle into which water is poured and coffee is poured, a conical support shell and a heating source, see a. from. SU, class A 47 J 31/00, Ne 1281243, 1984.
  • the device provides a guaranteed gap between the tank and the heating source and thereby eliminates their direct contact with each other.
  • the air gap is a poor conductor of heat, which causes increased energy consumption during the preparation of the drink.
  • the disadvantage of the prototype is the impossibility of accumulation and conservation of thermal energy by the elements of the device, the result of which is the need to regulate the temperature during the entire cooking process by changing the brightness of the halogen lamp.
  • the prepared beverage cools rapidly.
  • the present invention is aimed at achieving a technical result, which is expressed in the fact that during the entire time that the removable vessel with the drink is on the device, it is, as it were, wrapped in a fur coat of heat-accumulating and heat-transferring substance. Moreover, in the proposed design, all the positive properties of the prototype are maximally preserved.
  • the specified technical result allows to prevent boiling of coffee from the vessel during its preparation, does not care about turning off and regulating the heat source, for a long time to keep brewed coffee hot, which increases the usability of the device.
  • the device for brewing coffee including a housing with a heat source placed one above the other, a tray and a removable vessel, is additionally equipped with a heat storage element and a enclosing frame.
  • the heating source is made in the form of a horizontally located plate with at least one heating element installed in it.
  • the pallet is closed flange located on the surface of the plate around the perimeter of the latter.
  • the heat storage element is a sample of bulk material placed directly on the stove in the area limited by the pallet.
  • the removable vessel is installed with a burial in the bulk substance, the enclosing frame is placed on the body above the pallet and has a shape similar to the latter.
  • a quartz sand sample As bulk material of the heat storage element, a quartz sand sample can be used.
  • the device can be equipped with a thermostat for the degree of heating of the stove and a signal lamp, while the stove is hollow, and each heating element is in the form of a tubular electric heater and is located in the cavity of the stove.
  • the removable vessel is preferably made in the form of a cezve with a lateral surface in the form of two multidirectional truncated cones.
  • the device can be equipped with one or more additional removable vessels.
  • its body and enclosing frame are preferably made of heat-resistant plastic material.
  • Equipping the device for brewing coffee with a heat storage element allows you to simultaneously solve several problems related to which increase the usability.
  • the heat storage element being in direct contact with the heat source, nevertheless completely eliminates such contact with the vessel with coffee, provides a comprehensive and uniform supply of heat to it, which always positively affects the quality of the beverage.
  • the required intensity of heat supply to the vessel with coffee can be easily established by changing the degree of its penetration into loose substance.
  • the ability of the heat storage element to maintain an elevated temperature for a long time, even when the heat source is turned off allows not only to gradually bring the coffee to full readiness, but also to maintain it for a long time.
  • the technical solution is illustrated by drawings.
  • FIG. 1 is a perspective view of a hot sand coffee brewing apparatus
  • FIG. 2 is a fragment of a general view of the device with a tray mounted on it.
  • Device for brewing coffee contains a housing 1 of a rectangular shape.
  • a heating source which is made in the form of a horizontal plate 2.
  • At least one heating element 3 is installed in the plate 2.
  • the plate 2 is shown with an internal cavity made in it, and the only one in this case heating element
  • the tray 4 located along the perimeter of the surface of the plate 2, forms with it a semblance of a collapsible baking sheet, which is filled with an even layer of a sample of bulk material forming a heat-accumulating element 5.
  • at least one removable vessel 6 is installed on the surface of the plate 2, which is buried in the bulk material of the heat-storage element 5.
  • Figure 1 shows a device with two removable vessels 6 installed on it, each of which is a cezve with a side surface in the form of two p znonapravlennyh truncated cones.
  • a protective frame 7 is placed on top of the case, which, simultaneously playing the role of a cover, covers the pallet 4 and has, like the last shape, a collar closed in a rectangle. Since the device is presented with a tubular electric heater as a heating element 3, it is equipped with a power socket 8, a temperature regulator 9 of the heating degree of the stove 2 and a signal lamp 10.
  • a tray 11 can be installed between the pallet 4 and the enclosing frame 7.
  • the coffee brewing device is used in the following way.
  • the device through an electrical connector 8 is connected to a household power supply network and it is heated, and the signal lamp 10 is lit.
  • thermostat 9 is activated, which opens the power circuit of the heating element 3, the signal lamp 10 stops the glow.
  • the device is ready for making coffee.
  • the temperature controller 9, closing and opening the power supply circuit of the heating element 3, maintains the required thermal regime during the entire time the device is connected to the power supply network.
  • a removable vessel b for example, in the form of a cezve, one or several, is buried in hot sand and brewed coffee.
  • the shape of a cezve with a lateral surface in the form of two differently truncated truncated cones is the most suitable for making coffee in this device, since it is stable, has a developed heat exchange surface with a heat storage element 5, a minimum liquid evaporation surface, and is easy to handle.
  • the device allows the use of other types of removable vessels 6.
  • the intensity of heat exchange between it and the heat storage element 5 depends on the depth of the cezve in the sand, the more the cezve is buried in the sand, the faster the drink will be ready.
  • the device allows you to prevent intense boiling of coffee during its brewing and splashing out of a removable vessel b, and also for a long time to keep the brewed coffee hot, even after power outages.
  • the enclosing frame 7 prevents the entry of sand and other foreign objects into the space between the housing 1 and the stove 2.
  • the device is equipped with a tray 11, which, in addition to its main purpose, being installed between the pallet 4 and the enclosing frame 7, acts as a protective cover when coffee is already brewed.
  • the device If the device is dirty, it can easily be disassembled by removing, removing a sample of sand and removing the sump 4 and, if necessary, washed.
  • the device for brewing coffee "hot sand" is simple and convenient to operate, and its design provides the ability to prepare a drink with high flavoring properties.

Abstract

The invention relates to kitchen equipment, more specifically, to devices for preparing beverages and can be used for coffee brewing. The inventive coffee brewing device consists of a body (1) provided with a heating source which is embodied in the lower part thereof and is embodied in the form of a horizontal plate (2) comprising at least one heating element (3) arranged therein. A tray (4) in the form of a closed flange is positioned on the plate (2) surface along the circumference thereof. A weighted portion of granular substance for a heat-accumulating element (5), for example quartz sand, in which one or several removable vessels (6), preferably in the form of a cezve, are sunken, is placed directly on the plate (2) in an area delimited by the tray (4). A fence frame (7) whose shape is identical to the tray (4) shape is mounted on the body (1) above the tray (4). Generally, the device is provided with a thermocontroller (9) for controlling the plate (2) temperature and a signalling lamp (10), wherein the plate (2) is embodied such that it is hollow, each heating element (3) is embodied in the form of a tubular electric heater and is arranged in the plate (2) cavity.

Description

УСТРОЙСТВО ДЛЯ ВАРКИ КОФЕ "XOT СЭНД" DEVICE FOR Brewing "XOT SAND" COFFEE
Изобретение относится к кухонному оборудованию, а более конкретно к устройствам для приготовления напитков и может быть использовано для варки кофе.The invention relates to kitchen equipment, and more particularly to a device for preparing drinks and can be used for brewing coffee.
Известны кофеварки, выполненные в едином корпусе, в том числе и электрические, в которых «кpyтoй» кипяток из камеры кипячения поднимается по трубке и пропускается через засыпку молотого кофе, заключенную в перколяторе, затем готовый напиток стекает в сборник кофе, см., например, пат. RU, кл. А 47 J 31/00, N2 2054279, 1996 г., или пат. RU, кл. А 47 J 31/04, Ne 2027396, 1992 г.There are known coffee makers made in a single case, including electric ones, in which the “cool” boiling water from the boiling chamber rises through the tube and is passed through the filling of ground coffee, enclosed in a percolator, then the finished drink flows into the coffee collector, see, for example, US Pat. RU, cl. A 47 J 31/00, N2 2054279, 1996, or US Pat. RU, cl. A 47 J 31/04, Ne 2027396, 1992.
Указанные известные кофеварки весьма удобны в быту, поскольку не требуют специальных навык, а приготовленное в них кофе практически не содержит гущи.These well-known coffee makers are very convenient in everyday life, because they do not require special skills, and the coffee prepared in them practically does not contain any grounds.
Вместе с тем, качество получаемого таким образом кофе не способно удовлетворить многих любителей этого напитка, особенно тех, которые предпочитают кофе «пo- вocтoчнoмy».At the same time, the quality of coffee thus obtained is not able to satisfy many lovers of this drink, especially those who prefer “instant” coffee.
Известно приспособление для приготовления кофе состоящее из ёмкости с ручкой, в которую заливают воду и засыпают кофе, конической опорной обечайки и источника нагрева см. а. с. SU, кл. А 47 J 31/00, Ne 1281243, 1984 г. Приспособление обеспечивает гарантированный зазор между ёмкостью и источником нагрева и исключает тем самым их прямой контакт между собой. Однако воздушный зазор является плохим проводником тепла, что вызывает повышенный расход энергии при приготовлении напитка.A device for making coffee is known consisting of a container with a handle into which water is poured and coffee is poured, a conical support shell and a heating source, see a. from. SU, class A 47 J 31/00, Ne 1281243, 1984. The device provides a guaranteed gap between the tank and the heating source and thereby eliminates their direct contact with each other. However, the air gap is a poor conductor of heat, which causes increased energy consumption during the preparation of the drink.
Известно устройство для варки кофе «пo-вocтoчнoмy», содержащее корпус, съёмный сосуд из термостойкого стекла, источник нагрева в виде галогеновой лампы и установленный над ней промежуточный элемент, представляющий собой перфорированный поддон, см. а. с. SU, кл. А 47 J 31/00, Ne 1669427, 1988 г. Указанное известное техническое решение принято в качестве прототипа как наиболее близкий по технической сущности и достигаемому результату аналог. Данная конструкция устройства для варки кофе обеспечивает возможность приготовления напитка требуемой крепости и в необходимом количестве. Недостатком прототипа является невозможность накопления и сохранения тепловой энергии элементами устройства, результатом чего является необходимость регулирования температурного режима в течение всего процесса варки путём изменения яркости галогеновой лампы. Кроме того, после и выключения источника нагрева устройства происходит быстрое остывание приготовленного напитка. Указанные недостатки создают ощутимые неудобства при использовании устройства.There is a known device for brewing coffee "short-term", comprising a housing, a removable vessel made of heat-resistant glass, a heating source in the form of a halogen lamp and an intermediate element mounted above it, which is a perforated tray, see a. from. SU, class A 47 J 31/00, Ne 1669427, 1988. The specified well-known technical solution was adopted as a prototype as the closest analogue in technical essence and achieved result. This design of the device for brewing coffee makes it possible to prepare a drink of the required strength and in the required quantity. The disadvantage of the prototype is the impossibility of accumulation and conservation of thermal energy by the elements of the device, the result of which is the need to regulate the temperature during the entire cooking process by changing the brightness of the halogen lamp. In addition, after turning the heating source of the device off, the prepared beverage cools rapidly. These shortcomings create tangible inconvenience when using the device.
Предлагаемое изобретение направлено на достижение технического результата, который выражается в том, что в течение всего времени нахождения на устройстве съёмного сосуда с напитком, он как бы окутан шубой из теплоаккумулирующего и теплопередающего вещества. При этом в предлагаемой конструкции максимально сохранены все положительные свойства прототипа.The present invention is aimed at achieving a technical result, which is expressed in the fact that during the entire time that the removable vessel with the drink is on the device, it is, as it were, wrapped in a fur coat of heat-accumulating and heat-transferring substance. Moreover, in the proposed design, all the positive properties of the prototype are maximally preserved.
В конечном итоге, указанный технический результат позволяет предотвратить выкипание кофе из сосуда при его приготовлении, не заботится о выключении и регулировании источника нагрева, длительное время сохранять сваренный кофе горячим, что повышает удобство пользования устройством.Ultimately, the specified technical result allows to prevent boiling of coffee from the vessel during its preparation, does not care about turning off and regulating the heat source, for a long time to keep brewed coffee hot, which increases the usability of the device.
Указанный положительный результат достигается тем, что устройство для варки кофе, включающее корпус с размещенными в нём один над другим источником нагрева, поддоном и съёмным сосудом, дополнительно снабжено теплоаккумулирующим элементом и ограждающей рамкой. Источник нагрева выполнен в виде горизонтально расположенной плиты с установленным в ней, по меньшей мере, одним нагревательным элементом. Поддон имеет форму замкнутого буртика, расположенного на поверхности плиты по периметру последней. Теплоаккумулирующий элемент представляет собой навеску сыпучего вещества, размещенного непосредственно на плите в зоне ограниченной поддоном. Съёмный сосуд установлен с заглублением в сыпучее вещество, ограждающая рамка размещена на корпусе над поддоном и имеет сходную с последним форму.The indicated positive result is achieved by the fact that the device for brewing coffee, including a housing with a heat source placed one above the other, a tray and a removable vessel, is additionally equipped with a heat storage element and a enclosing frame. The heating source is made in the form of a horizontally located plate with at least one heating element installed in it. The pallet is closed flange located on the surface of the plate around the perimeter of the latter. The heat storage element is a sample of bulk material placed directly on the stove in the area limited by the pallet. The removable vessel is installed with a burial in the bulk substance, the enclosing frame is placed on the body above the pallet and has a shape similar to the latter.
В качестве сыпучего вещества теплоаккумулирующего элемента может быть использована навеска кварцевого песка.As bulk material of the heat storage element, a quartz sand sample can be used.
Устройство может быть снабжено терморегулятором степени нагрева плиты и сигнальной лампой, при этом плита выполняется полой, а каждый нагревательный элемент - в виде трубчатого электронагревателя и располагается в полости плиты.The device can be equipped with a thermostat for the degree of heating of the stove and a signal lamp, while the stove is hollow, and each heating element is in the form of a tubular electric heater and is located in the cavity of the stove.
Съёмный сосуд предпочтительно выполнен в виде джезвы с боковой поверхностью в виде двух разнонаправленных усеченных конусов. Устройство может быть оснащено одним и более дополнительным съёмным сосудом.The removable vessel is preferably made in the form of a cezve with a lateral surface in the form of two multidirectional truncated cones. The device can be equipped with one or more additional removable vessels.
В дополнение к изложенному целесообразно комплектование устройства подносом, который выполнен с возможностью установки между поддоном и ограждающей рамкой.In addition to the above, it is advisable to equip the device with a tray that is configured to be installed between the pallet and the enclosing frame.
Во всех исполнениях устройства его корпус и ограждающую рамку предпочтительно изготавливать из термостойкого пластического материала.In all versions of the device, its body and enclosing frame are preferably made of heat-resistant plastic material.
Оснащение устройства для варки кофе теплоаккумулирующим элементом позволяет одновременно решить несколько задач, связанных с что повышением удобства пользования. Теплоаккумулирующий элементом, находясь в непосредственном контакте с источником нагрева, тем не менее полностью исключает такой контакт с сосудом с кофе, обеспечивает к нему всесторонний и равномерный подвод тепла, что всегда положительно сказывается на качестве приготовления напитка. При этом требуемая интенсивность подвода тепла к сосуду с кофе может быть легко установлена путем изменения степени заглубления его в сыпучее вещество. Кроме того, способность теплоаккумулирующего элемента продолжительное время поддерживать повышенную температуру, даже при отключении источника нагрева, позволяет не только постепенно доводить кофе до полной готовности, но и поддерживать её длительное время. Техническое решение иллюстрировано чертежами.Equipping the device for brewing coffee with a heat storage element allows you to simultaneously solve several problems related to which increase the usability. The heat storage element, being in direct contact with the heat source, nevertheless completely eliminates such contact with the vessel with coffee, provides a comprehensive and uniform supply of heat to it, which always positively affects the quality of the beverage. In this case, the required intensity of heat supply to the vessel with coffee can be easily established by changing the degree of its penetration into loose substance. In addition, the ability of the heat storage element to maintain an elevated temperature for a long time, even when the heat source is turned off, allows not only to gradually bring the coffee to full readiness, but also to maintain it for a long time. The technical solution is illustrated by drawings.
На фиг. 1 изображен общий вид устройства для варки кофе "хот сэнд"; фиг.In FIG. 1 is a perspective view of a hot sand coffee brewing apparatus; FIG.
2 - фрагмент общего вида устройства с установленным на нем подносом.2 is a fragment of a general view of the device with a tray mounted on it.
Устройство для варки кофе содержит корпус 1 прямоугольной формы. В нижней части корпуса 1 над его днищем расположен источник нагрева, который выполнен в виде горизонтальной плиты 2. В плите 2 установлен, по меньшей мере, один нагревательный элемент 3. На фигурах плита 2 изображена с выполненной в ней внутренней полостью, а единственный в данном случае нагревательный элементDevice for brewing coffee contains a housing 1 of a rectangular shape. In the lower part of the housing 1 above its bottom there is a heating source, which is made in the form of a horizontal plate 2. At least one heating element 3 is installed in the plate 2. In the figures, the plate 2 is shown with an internal cavity made in it, and the only one in this case heating element
3 расположен в этой полости и представляет собой трубчатый электронагреватель. На поверхности плиты 2 по её периметру имеется выборка в форме уступа для установки поддона 4, который имеет форму замкнутого буртика. Верхний и нижний края поддона 4 имеют загибы соответственно наружу и внутрь. Поддон 4, располагаясь по периметру поверхности плиты 2, образует вместе с ней подобие разборного противня, который заполнен равномерным слоем навески сыпучего вещества, образующей теплоаккумулирующий элемент 5. В процессе варки кофе на поверхность плиты 2 устанавливают, по меньше мере, один съёмный сосуд 6, который заглубляют в сыпучее вещество теплоаккумулирующего элемента 5. На фигуре 1 изображено устройство с установленными на нём двумя съёмными сосудами 6, каждый из которых представляет собой джезву с боковой поверхностью в виде двух разнонаправленных усеченных конусов. Сверху на корпусе размещена ограждающая рамка 7, которая, одновременно исполняя роль крышки, прикрывает поддон 4 и имеет, как и последний форму буртика замкнутого в прямоугольник. Поскольку устройство представлено в исполнении с трубчатым электронагревателем в качестве нагревательного элемента 3, то оно оснащено сетевым электроразъёмом 8, терморегулятором 9 степени нагрева плиты 2 и сигнальной лампой 10. Между поддоном 4 и ограждающей рамкой 7 может быть установлен поднос 11. Устройство для варки кофе используется следующим образом.3 is located in this cavity and is a tubular electric heater. On the surface of the plate 2 along its perimeter there is a sample in the form of a ledge for installation of the pallet 4, which has the form of a closed flange. The upper and lower edges of the pallet 4 have bends, respectively, outward and inward. The tray 4, located along the perimeter of the surface of the plate 2, forms with it a semblance of a collapsible baking sheet, which is filled with an even layer of a sample of bulk material forming a heat-accumulating element 5. In the process of brewing coffee, at least one removable vessel 6 is installed on the surface of the plate 2, which is buried in the bulk material of the heat-storage element 5. Figure 1 shows a device with two removable vessels 6 installed on it, each of which is a cezve with a side surface in the form of two p znonapravlennyh truncated cones. A protective frame 7 is placed on top of the case, which, simultaneously playing the role of a cover, covers the pallet 4 and has, like the last shape, a collar closed in a rectangle. Since the device is presented with a tubular electric heater as a heating element 3, it is equipped with a power socket 8, a temperature regulator 9 of the heating degree of the stove 2 and a signal lamp 10. A tray 11 can be installed between the pallet 4 and the enclosing frame 7. The coffee brewing device is used in the following way.
Устройство через электроразъёмом 8 подключают к бытовой сети электропитания и производят его разогрев, при этом происходит свечение сигнальной лампы 10. После прогрева плиты 2, а вместе с ней и навески сыпучего вещества теплоаккумулирующего элемента 5 и установления определенного теплового режима происходит срабатывание терморегулятора 9, который размыкает цепь питания нагревательного элемента 3, сигнальная лампа 10 прекращает свечение. Устройство готово для приготовления кофе. Терморегулятор 9, замыкая и размыкая цепь питания нагревательного элемента 3, поддерживает требуемый тепловой режим в течении всего времени подключения устройства к сети электропитания. Съёмный сосуд б, например, в виде джезвы, одной или сразу нескольких, заглубляют в горячий песок и варят кофе. Форма джезвы с боковой поверхностью в виде двух разнонаправленных усеченных конусов является наиболее подходящей для приготовления кофе в данном устройстве, поскольку она устойчива, имеет развитую поверхность теплообмена с теплоаккумулирующим элементом 5, минимальную поверхность испарения жидкости и удобна в обращении. Устройство позволяет использовать и другие виды съёмных сосудов 6. От степени заглубления джезвы в песок зависит интенсивность теплообмена между ней и теплоаккумулирующим элементом 5, чем больше джезва заглублена в песок - тем быстрее будет готов напиток. Устройство позволяет предотвратить интенсивное кипение кофе при его варке и выплескивание из съёмного сосуда б, а также в течение длительного времени сохранять приготовленный кофе горячим, даже после отключения электропитания. Ограждающая рамка 7 препятствует попаданию песка и других посторонних предметов в пространство между корпусом 1 и плитой 2. Устройство оснащено подносом 11, который помимо своего основного предназначения, будучи установленным между поддоном 4 и ограждающей рамкой 7, исполняет роль защитной крышки когда кофе уже приготовлен.The device through an electrical connector 8 is connected to a household power supply network and it is heated, and the signal lamp 10 is lit. After heating the stove 2, and with it a weighed sample of the bulk material of the heat storage element 5 and establishing a certain thermal regime, thermostat 9 is activated, which opens the power circuit of the heating element 3, the signal lamp 10 stops the glow. The device is ready for making coffee. The temperature controller 9, closing and opening the power supply circuit of the heating element 3, maintains the required thermal regime during the entire time the device is connected to the power supply network. A removable vessel b, for example, in the form of a cezve, one or several, is buried in hot sand and brewed coffee. The shape of a cezve with a lateral surface in the form of two differently truncated truncated cones is the most suitable for making coffee in this device, since it is stable, has a developed heat exchange surface with a heat storage element 5, a minimum liquid evaporation surface, and is easy to handle. The device allows the use of other types of removable vessels 6. The intensity of heat exchange between it and the heat storage element 5 depends on the depth of the cezve in the sand, the more the cezve is buried in the sand, the faster the drink will be ready. The device allows you to prevent intense boiling of coffee during its brewing and splashing out of a removable vessel b, and also for a long time to keep the brewed coffee hot, even after power outages. The enclosing frame 7 prevents the entry of sand and other foreign objects into the space between the housing 1 and the stove 2. The device is equipped with a tray 11, which, in addition to its main purpose, being installed between the pallet 4 and the enclosing frame 7, acts as a protective cover when coffee is already brewed.
При загрязнении устройства оно легко может быть разобрано путем снятия, удаления навески песка и снятия поддона 4 и при необходимости подвергнуто мойке. Выполнение корпуса 1 и ограждающей рамки 7 из термостойкого пластического материала, например формальдегида, улучшает не только эксплуатационные, но и экономические характеристики устройства. Кварцевый песок, из которого выполнена навеска сыпучего вещества, обладает хорошими теплофизическими свойствами, высокой однородностью и эстетичным внешним видом и поставляется в расфасованном виде вместе с устройством.If the device is dirty, it can easily be disassembled by removing, removing a sample of sand and removing the sump 4 and, if necessary, washed. The implementation of the housing 1 and the enclosing frame 7 of heat-resistant plastic material, such as formaldehyde, improves not only operational, but also the economic characteristics of the device. Quartz sand, from which a bulk sample is made, has good thermophysical properties, high uniformity and aesthetic appearance and comes packaged with the device.
Таким образом, устройство для варки кофе "хот сэнд" просто и удобно в эксплуатации, а его конструкция обеспечивает возможность приготовления напитка с высокими вкусовыми свойствами. Thus, the device for brewing coffee "hot sand" is simple and convenient to operate, and its design provides the ability to prepare a drink with high flavoring properties.

Claims

ФОРМУЛА ИЗОБРЕТЕНИЯ CLAIM
1. Устройство для варки кофе, включающее корпус с размещенными в нём один над другим источником нагрева, поддоном и съёмным сосудом, отличающееся тем, что, оно снабжено теплоаккумулирующим элементом и ограждающей рамкой, при этом источник нагрева выполнен в виде горизонтально расположенной плиты с установленным в ней, по меньшей мере, одним нагревательным элементом, поддон имеет форму замкнутого буртика, расположенного на поверхности плиты по периметру последней, при чём теплоаккумулирующий элемент представляет собой навеску сыпучего вещества, размещенного непосредственно на плите в зоне ограниченной поддоном, съёмный сосуд установлен с заглублением в сыпучее вещество, а ограждающая рамка размещена на корпусе над поддоном и имеет сходную с последним форму.1. A device for brewing coffee, comprising a housing with a heat source placed one above the other, a tray and a removable vessel, characterized in that it is equipped with a heat storage element and a enclosing frame, while the heat source is made in the form of a horizontally arranged plate with installed with at least one heating element, the pallet has the shape of a closed flange located on the surface of the plate along the perimeter of the latter, and the heat-accumulating element is a weighed bulk exists, placed directly on the plate in a zone bounded tray, removable container is recessed in the particulate material, and enclosing frame placed on the hull above the tray and has a similar shape with the latter.
2. Устройство по п. 1, отличающееся тем, что, навеска сыпучего вещества выполнена из кварцевого песка. 2. The device according to p. 1, characterized in that, the bulk sample is made of quartz sand.
3. Устройство по п. 2, отличающееся тем, что, оно снабжено терморегулятором степени нагрева плиты и сигнальной лампой, при этом плита выполнена полой, а каждый нагревательный элемент выполнен в виде трубчатого электронагревателя и расположен в полости плиты.3. The device according to p. 2, characterized in that it is equipped with a thermostat of the degree of heating of the stove and a signal lamp, the stove is hollow, and each heating element is made in the form of a tubular electric heater and is located in the cavity of the stove.
4. Устройство по п. 3, отличающееся тем, что, съёмный сосуд выполнен в виде джезвы с боковой поверхностью в виде двух разнонаправленных усеченных конусов.4. The device according to p. 3, characterized in that the removable vessel is made in the form of a cezve with a side surface in the form of two multidirectional truncated cones.
5. Устройство по п. 4, отличающееся тем, что, оно снабжено, по меньшей мере, одним дополнительным съёмным сосудом.5. The device according to p. 4, characterized in that it is equipped with at least one additional removable vessel.
6. Устройство по п. 5, отличающееся тем, что, оно снабжено подносом выполненным с возможностью установки между поддоном и ограждающей рамкой. 6. The device according to p. 5, characterized in that it is provided with a tray made with the possibility of installation between the pallet and the enclosing frame.
7. Устройство по любому из п. п. 1-6, отличающееся тем, что, корпус и ограждающая рамка выполнены из термостойкого пластического материала. 7. The device according to any one of paragraphs. 1-6, characterized in that, the housing and the enclosing frame are made of heat-resistant plastic material.
PCT/RU2005/000659 2004-12-22 2005-12-22 Hot sand coffee brewing device WO2006071137A2 (en)

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RU2004137515/12A RU2277371C1 (en) 2004-12-22 2004-12-22 "hot sand" coffee machine
RU2004137515 2004-12-22

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