42results about "Coffee grinding methods" patented technology

The invention relates to a grinding and extraction apparatus for roasted coffee beans comprising a grinding device (60) and an associated extraction device (70); the grinding device (60) comprising one or more housings for receiving one or more beans containers (10, 20) with roasted coffee beans of the same or different types; the grinding device (60) comprising a reader (62) to obtain the information of the product parameters of the roasted coffee beans of the one or more beans containers (10, 20); the grinding device (60) further comprising a control unit configured to adapt the grinding size and the quantity of roasted coffee beans for obtaining a certain coffee blend from each beans container to be grinded according to these product parameters and / or according to a recipes database (64) comprising the beverage information associated to the beverage to be prepared; the grinding device (60) further comprising an encoder (62) to encode the beverage information on programmable identification means (65) on a product holder (61) in the grinding device (60), to where the grinded coffee is sent; the extraction device (70) being configured for receiving the product holder (61) and comprising reading means (72) to identify the beverage information in the said product holder identification means (65), the extraction device (70) further comprising a control unit to extract the beverage according to the beverage information retrieved and / or from the beverage information retrieved from a beverage database in this control unit. Moreover, the invention relates to a method for grinding roasted coffee beans and preparing a beverage from them using a grinding and extraction apparatus as the one described, and also refers to the use of a grinding and extraction apparatus as the one described for delivering a certain beverage from roasted coffee beans.

The invention relates to a roasting and grinding apparatus for coffee beans comprising a roasting device (50) and an associated grinding device (60); the roasting device (50) being configured for receiving coffee beans of a certain type that will be roasted, the roasting device (50) comprising reading means (53) to identify the characteristics of the coffee beans dispensed to it, the roasting device (50) further comprising a control unit configuring the roasting profile of the beans according to the characteristics retrieved from the reading means (53) and / or from the characteristics of the beans in a database (51) in this control unit and / or according to the user's input; the roasted coffee beans being dispensed into a beans container (10, 20), the beans container (10, 20) comprising programmable identification means where product parameters of the roasted coffee beans of a certain type are encoded on it by an encoder (52) in the roasting device; the grinding device (60) comprising one or more housings for receiving one or more beans containers (10, 20); the grinding device (60) comprising a reader (62) to obtain the information of the product parameters of the roasted coffee beans of the one or more beans containers (10, 20); the grinding device (60) further comprising a control unit configured to adapt the grinding size and the quantity of roasted coffee beans to be delivered from the coffee beans containers (10, 20) for obtaining a certain coffee quantity and / or a certain coffee blend quantity from each beans container to be grinded according to these product parameters and / or according to a recipes database (64), and / or according to the user's input. The invention further relates to a method for roasting and grinding coffee beans using a roasting and grinding apparatus as the ones described, and to the use of such a roasting and grinding apparatus.

The present application discloses a coffee grinder comprising: a machine body having a motor and a grinding part for grinding coffee beans; and a device for detecting the presence of a filter and / or a filter holder in a set position suitable for receiving ground coffee, wherein the detection device comprises a normally open switch comprising a first half-support for the filter and / or the filter holder and a second half-support for the filter and / or the filter holder, the switch being arranged to close when the filter and / or the filter holder is in electrical contact with the first half-support and in electrical contact with the second half-support.

A process for producing a liquid coffee concentrate that has a reduced acrylamide content. The process involves contacting a low aromatic aqueous coffee extract with a carbon and / or silica based resin with adsorptive function to reduce the acrylamide content of the extract, prior to combining the treated extract with a high aromatic aqueous coffee extract. In particular, the process comprises the steps of: a) providing a low aromatic aqueous coffee extract having a first acrylamide content; b) providing a high aromatic aqueous coffee extract; c) contacting the low aromatic aqueous coffee extract with a carbon and / or silica based resin with adsorptive function to provide a low aromatic aqueous coffee extract having a second acrylamide content; and d) combining the low aromatic aqueous coffee extract having a second acrylamide content and the high aromatic aqueous coffee extract to provide a liquid coffee concentrate, wherein the second acrylamide content is lower than the first acrylamide content.

Disclosed is a coffee grinder having an automatic coffee dose control system that provides for comparing a difference between an ideal weight set by a user and an actual weight measured by a load cell with an error; if the difference between the ideal weight and the actual weight is greater than the error, an extra-dose of coffee powder is dispensed.

The invention relates to the production of coffee extracts retaining aroma components. Disclosed herein is a process for preparing a coffee extract comprising the steps of providing a mixture of roasted coffee beans and water, milling the mixture of roasted coffee beans and water in a pressurized chamber, and separating the milled mixture into a liquid coffee extract and used coffee grounds. The coffee extract retains many flavor components of the baked beans.

The invention relates to a grinding machine for separating and removing silver skin contained in coffee beans so as to restore the original taste of the coffee beans and keep the freshness of the coffee beans. In addition, according to the invention, the silver skin positioned at the central notch position of the coffee bean is separated and removed, so that the original flavor and fragrance of the coffee can be improved. In addition, the present invention makes it possible to effectively separate and remove silver skin contained in coffee beans in a short time without requiring a large-scale device and a complicated treatment process. In addition, the present invention separates and removes the silver skin located at the cut in the center of the coffee bean, thereby maintaining the freshness of the coffee bean and prolonging the shelf life. Furthermore, the present invention eliminates the deterioration factors of the coffee flavor, which may be caused by the mixing of coffee bean fibers, coffee oil, and the like, and can further extract coffee having an excellent flavor. In addition, according to the invention, the silver skin positioned at the central notch of the coffee bean is separated and removed, so that the extraction amount of the coffee is increased, and the material cost of the coffee bean can be saved.

A grinding machine includes a main machine body, a grinding device, a powder pressing device and a driving device, wherein the grinding device has a grinding housing mounted on the main machine body, and a grinding component arranged in the grinding housing; the powder pressing device has a powder receiving device and a powder pressing component; the driving device has a driver arranged on the main machine body, a first transmission shaft mounted on the grinding component, and a second transmission shaft mounted on the powder pressing component; the driver is in transmission connection with the first transmission shaft; the second transmission shaft is in transmission connection with the first transmission shaft; and the second transmission shaft is slidably mounted relative to the powder receiving device.

The method relates to a method for delivering ground coffee for preparing a coffee beverage, and comprises the steps of providing a machine 110 comprising one or more containers 13, 14 for containing one or different types of roasted coffee beans, one or more dosing devices 60, 70 for dispensing the coffee beans contained in the one or more containers, and a grinder 30 for receiving the coffee beans delivered by the one or more dosing devices, the grinder being configured to move to different grinding positions for different degrees of grinding, setting the grinder to be in a specific grinding position, delivering a specific amount of coffee beans to the grinder by the one or more dosing devices after setting the grinder, and grinding the specific amount of coffee beans by the grinder, thereby delivering such ground coffee beans until the grinder is empty of coffee beans.

The present disclosure discloses a beverage or food brewing method and a beverage or food brewing machine. The beverage or food brewing method includes following steps: actuating a beverage or food brewing machine to produce powder through a grinding device and to output the powder to a powder holder; when the powder in the powder holder reaches a set amount, obtaining a first grinding time value T11 of the beverage or food brewing machine; according to the first grinding time value T11, obtaining a prolonged grinding time value T12 corresponding to the first grinding time value T11; making the grinding device continue operating for a period of time determined by the prolonged grinding time value T12 and outputting the powder from the grinding device to the powder holder. The present disclosure can precisely control the amount of powder, improve the taste of the brewed beverage or food, and have a relatively high degree of automation.

The invention relates to a method for dispensing ground coffee for preparing a coffee beverage. The method comprises the steps of: providing a machine (110), which comprises one or more receptacles (13, 14) for storing one or different types of roasted coffee beans, one or more dosing devices (60, 70) for dispensing coffee beans, which are stored in the one or more receptacles (13, 14), and a grinder (30) for receiving coffee beans, which are dispensed by the one or more dosing devices (60, 70), the grinder (30) being configured to move into different grinding positions for different grinding degrees, respectively; setting up the grinder (30) so that the grinder (30) is in a specific grinding position; dispensing, with the one or more dosing devices (60, 70), a specific amount of coffee beans to the grinder (30) subsequent to the step of setting up the grinder (30); and grinding, with the grinder (30), said specific amount of coffee beans and, thus, dispensing the so ground coffee beans until the grinder (30) is free from coffee beans.

The invention concerns a method to roast coffee beans in a roasting system, said system comprising : - a roasting apparatus (1), and - a smoke treating unit (2) configured to treat the smoke produced by the roasting apparatus, said smoke treating unit comprising at least an electrostatic precipitator (222), said electrostatic precipitator comprising at least one cell, said cell comprising ionization wires, collecting electrodes and repelling electrodes and said ionization wires being supplied with an electrical power in order to apply a high voltage V to the ionization wires, wherein, during each roasting operation implemented in the roasting apparatus, the method comprises the steps of : - monitoring the voltage V at the ionization wires and / or the electrodes along the time of the roasting operation, - if the monitored voltage becomes inferior to a pre-determined voltage threshold V0 during a period of time of the roasting operation, and - if said period of time, where the monitored voltage V is inferior to said lower voltage threshold V0 is superior to a pre-determined time threshold Δt, then displaying a cleaning alarm.

The invention relates to a roasting and grinding apparatus for coffee beans, comprising a roasting device (50) and an associated grinding device (60); the roasting device (50) is configured for receiving a specific type of coffee beans to be roasted, the roasting device (50) comprises a reading means (53) for identifying characteristics of the coffee beans assigned to the roasting device, the roasting device (50) further comprises a control unit which configures a roasting profile of the coffee beans depending on the characteristics retrieved from the reading means (53) and / or from a database (51) of characteristics of coffee beans in the control unit and / or depending on an input of a user; the roasted coffee beans are assigned to a coffee bean container (10, 20) comprising a programmable identification means, wherein product parameters of the specific type of roasted coffee beans are encoded on the identification means by an encoder (52) in the roasting device; the grinding device (60) comprises one or more housings for receiving one or more coffee bean containers (10, 20); the grinding device (60) comprises a reader (62) for acquiring information of the product parameters of the roasted coffee beans of the one or more coffee bean containers (10, 20); the grinding device (60) further comprises a control unit configured to adjust a grinding granularity and a quantity of roasted coffee beans to be delivered from the coffee bean container (10, 20) in order to obtain a certain quantity of coffee and / or a certain quantity of coffee blend from each coffee bean container to be ground depending on the product parameters and / or depending on a recipe database (64) and / or depending on an input of a user. The invention further relates to a method for roasting and grinding coffee beans using a roasting and grinding apparatus as described and to the use of such a roasting and grinding apparatus.

To provide a milling device which has a compact structure, and can comparatively easily and finely adjust the size of milled particles.SOLUTION: A milling device has a milling passage between a male milling head and a female milling head in a housing, a first adjustment assembly in an adjustment mechanism is connected to the housing, a second adjustment assembly includes a first adjustment sleeve and a second adjustment sleeve which are screwed with each other, when the first adjustment assembly is rotated, the first adjustment sleeve is rotated in conjunction with the rotation. Thereby, the rotation of the first adjustment sleeve drives vertical motion of the second adjustment sleeve, and the vertical motion of the second adjustment sleeve changes the size of the milling passage. The first adjustment sleeve and the second adjustment sleeve are screwed with each other, thereby the range of the vertical motion of the second adjustment sleeve is relatively small, thereby the change in the size of the milling passage is comparatively fine. Thus, the size of the particles of a milled matter can be easily and accurately controlled.SELECTED DRAWING: Figure 1

A method and processing technology for preparing baked products from raw materials is disclosed. The method includes at least one baking or roasting step in which the raw materials are processed in the absence of atmospheric air, achieved through a vacuum, vacuum-compensated, or pressure—the latter two employing an inert atmosphere. A sealed rotary roasting drum (or processing compartment) is supplied with pre-heated inert gas while heating and rotating the raw materials, and the inert gas is optionally recycled for reuse. Additional unit operations such as milling, cooling, spraying, extraction, and storage are also performed in the absence of atmospheric air, to preserve product quality and prevent oxidation. Optional steps include cryogenic pre-milling, sweetener addition to generating a “torrefacto” effect, and supercritical fluid extraction of oils for later incorporation into the baked products. The disclosed technology enables continuous production of baked products with improved aroma, stability, and self-life, by maintaining an oxygen-free environment throughout processing.

Suspensions including at least 30wt% micronized edible particles suspended in liquid lipids (e.g., oil) and their production methods are provided. Suspensions may include sugar, salt and / or spices as edible solids, as well as fine tahini pastes made of raw tahini or from seeds and / or finely-ground coffee suspension in oil. Preparation methods include mixing the edible particles in liquid lipids or paste, reducing the particle sizes in a first coarse shearing step involving size-reducing mechanical interactions between the edible particles and a shearing device, and micronizing the size-reduced edible particles suspended in the liquid lipids or paste in a second fine milling step involving size-reducing mechanical interactions among the edible particles and / or between the edible particles and a milling device. Processing aids may be added to reduce the viscosity of the suspension. Seasoned fried food products may be prepared in a single step to yield a fine and uniform coating.

This invention relates to a grinder for separating and removing silverskin contained in coffee beans, thereby preserving the original flavor and maintaining freshness. Furthermore, by separating and removing the silverskin located at the center cut of the coffee bean, the original flavor and aroma of the coffee can be improved. Moreover, this invention can quickly and effectively separate and remove the silverskin contained in coffee beans without requiring large-scale equipment or complex processing. Furthermore, by separating and removing the silverskin located at the center cut of the coffee bean, this invention can maintain the freshness of the coffee beans and extend their shelf life. Furthermore, by removing factors that degrade the flavor of coffee caused by the mixing of coffee bean fibers and coffee oils, this invention can extract coffee with superior flavor. In addition, by separating and removing the silverskin located at the center cut of the coffee bean, this invention can increase the amount of coffee extracted and reduce the material cost of coffee beans.

The present invention relates to a method for roasting coffee beans in a roasting system comprising a roaster 1 and a smoke treatment unit 2 configured to treat smoke produced by the roaster, the smoke treatment unit comprising at least an electrostatic precipitator 222, the electrostatic precipitator comprising at least one cell, the cell comprising an ionizing wire, a collecting electrode and a repelling electrode, the ionizing wire being powered to apply a high voltage V to the ionizing wire, the method comprising the steps of: during each roasting operation performed in the roaster, monitoring the voltage V at the ionizing wire and / or the electrodes over the time of the roasting operation; and indicating a cleaning alarm if, during the duration of the roasting operation, the monitored voltage falls below a predetermined voltage threshold V0 and if the time period during which the monitored voltage V is below the lower voltage threshold V0 exceeds a predetermined time threshold Δt.

A novel cylindrical coffee grinder burr type significantly increases the total cutting area possible within a given enclosure size. The design enables more robust support inside and outside the burrs, and creates opportunities to reduce mechanical complexity and product footprint by housing the motor within the circumference of the inner burr, and integrating hopper and anti-retention mechanisms into the outer burr itself.

The disclosure relates to methods of making coffee extracts via extracting under a controlled pressure (e.g., a pressure equal to or greater than a saturation vapor pressure) and washing the extract at a low temperature (e.g., less than about 50° F) to produce liquid coffee extract having a variety' of different flavors and colors. The liquid coffee extract can then be further processed to obtain a dried coffee extract or instant coffee. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Coffee bean grinder (1) comprising at least one grinder module (4), at least one supply of coffee beans (2) as well as a ground coffee dispensing area (6) with a bracket (13), onto which are porta filter (9) to be filled with ground coffee is put for the process of dispensing ground coffee into said porta filter (9), wherein the coffee bean grinder (1) comprises a proximity sensor for detecting the presence of a porta filter (9) on said bracket (13), and wherein said proximity sensor is at least indirectly coupled to a grinder control unit (5), characterised in that said proximity sensor is a contactless proximity sensor (16).

The present invention relates to an apparatus (1) for more conveniently roasting coffee. The apparatus (1) specifically facilitates an improved means for discharging or ejecting coffee beans so roasted from the apparatus (1). The apparatus (1), which may be a home appliance, includes a chamber (10) capable of receiving coffee beans therein for roasting. The apparatus (1) further includes a device for generating an airflow to agitate the coffee beans received by the chamber (10). The chamber (10) is defined by a bottom (11), a top (12), and a sidewall (13) extending from the bottom (11) to the top (12). The sidewall (13) includes a discharge port (30) selectively movable between a closed position and an open position, such that when the discharge port (30) is in the open position, the airflow generated by the device can propel the coffee beans through the discharge port (30) and discharge them from the chamber (10).

A coffee roasting method includes selecting a plurality of coffee beans, preheating a bean roasting bin to then add the coffee beans therein in order to heat the coffee beans to a temperature recovery point, continuously heating the coffee beans to set an internal water temperature of the coffee beans on an edge of evaporation of 90° C.-100° C. in order to soften the coffee bean fibers, following a temperature rise rate of the previous step to continuously heat, within a range of ±1.5 degrees / minute of such a temperature rise rate, the coffee beans to have a water content less than 5%, then controlling temperature such that during first cracking, chlorogenic acid in the coffee beans undergoes a dehydration reaction in a condition of water insufficiency so as to convert into chlorogenic acid lactone; and finally, before second cracking, ensuring the coffee beans are taken out before degradation of chlorogenic acid lactone.

The invention relates to a method for micronizing coffee particles, wherein the coffee particles are micronized in an aqueous suspension comprising dissolved water-soluble coffee solids. When coffee particles are used in a coffee product, the method reduces aggregation of the coffee particles.

The invention relates to a method of roasting coffee beans in a roasting system, said system comprising: - a roasting apparatus (1), and - a fume treatment unit (2) configured to treat fumes produced by the roasting apparatus, said fume treatment unit comprising at least one electrostatic precipitator (222) comprising at least one compartment comprising ionizing wires, a collection electrode and a repulsion electrode, and said compartment being supplied with electric power so as to apply a high voltage V to the ionizing wires, wherein during each roasting operation implemented in the roasting apparatus, the method comprises the steps of: - monitoring the voltage V at the ionizing wires and / or at the electrodes during the course of the roasting operation, - displaying a cleaning alert if, during a period of the roasting operation, the monitored voltage becomes lower than a predetermined voltage threshold V0, and - wherein said period during which the monitored voltage V is lower than said lower voltage threshold V0 is higher than a predetermined time threshold At.

A coffee grinder is provided that includes one or more blades; a motor coupled to the one or more blades to drive rotation of the one or blades; and a grind controller that receives a supply voltage; receives a grind setting corresponding to a particular particle distribution; and controls RMS voltage, duty cycle, activation pulse frequency, and overall duration of a grind time of the supply voltage for activation of the motor based on the grind setting, wherein the grind controller generates, from the supply voltage, an adjusted voltage signal of a constant RMS voltage that is supplied to the motor during activation pulses occurring during the overall duration of the grind time to complete operation of the grind setting.

The present application provides a bean grinding method and apparatus, an electronic device, and a storage medium. The bean grinding method comprises: according to a first bean grinding rate, determining a bean grinding duration corresponding to a second bean grinding rate; when the bean grinding rate of a bean grinding machine reaches the first bean grinding rate, according to the first bean grinding rate, the total ground powder weight, and a pipe residual powder weight and a kinetic energy residual powder weight corresponding to the second bean grinding rate, determining whether to start bean grinding at the second bean grinding rate under the current ground powder weight of a weighing sensor; if yes, carrying out bean grinding at the second bean grinding rate, and sending a stop signal to a motor after the bean grinding duration; otherwise, continuing to carry out bean grinding at the first bean grinding rate, and going back to determine whether to start bean grinding at the second bean grinding rate under the current ground powder weight of the weighing sensor so as to continue execution. According to the method of the present application, the bean grinding machine can carry out bean grinding, and the actual ground powder weight of the bean grinding machine is equal to the total ground powder weight required by a user.

The disclosure relates to methods of roasting coffee beans at low temperatures (e.g., less than about 300° F.) for short periods of time (e.g., about 10 minutes or less) to produce coffee beans having a variety of different flavors and colors. The roasted coffee beans can then be processed by, for example, extracting the beans either before or after grinding. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

The coffee bean grinder (1) includes at least one grinder module (4), at least one coffee bean supply section (2), and a ground coffee dispensing area (6) with a tray (13), wherein a porta filter (9) to be filled with ground coffee is placed on the tray (13) for dispensing ground coffee into the porta filter (9), wherein the coffee bean grinder (1) includes a proximity sensor for detecting the presence of the porta filter (9) on the tray (13), and wherein the proximity sensor is at least indirectly connected to the grinder control unit (5), characterized in that the proximity sensor is a non-contact proximity sensor (16).

The invention discloses a coffee liquid rapid cold extraction preparation method, and particularly relates to the technical field of coffee liquid processing, which comprises the following steps: step 1, raw material pretreatment; step 2, membrane-assisted cold extraction; 3, separation and purification; and step 4, stabilizing treatment. Through innovative combination of a membrane-assisted cold extraction technology and cross-flow filtration operation, the current situation that a traditional process depends on long-time soaking or dripping is changed. The selective permeability of the membrane component and the anti-blocking design of the cross-flow operation form a synergistic effect, so that the mass transfer efficiency of flavor substances is greatly improved, the risk of process interruption is avoided, and the production cycle of the cold extraction coffee is remarkably shortened. The efficient process design can fully meet the requirements of industrial large-scale production, provides reliable technical support for large-scale development of the cold extraction coffee industry, and effectively relieves the contradiction between market demand increase and insufficient production efficiency.