KR101595472B1 - A operational method of Espresso coffee extraction device - Google Patents

Abstract

The present invention relates to a method for operating an espresso coffee extraction device. In order to automatically extract coffee having the quality equal to espresso coffee, which is manually extracted by a barista, an extraction piston driver and a two-way cylinder driver are run by a controller (200) through the application of voltage to a coffee extractor (100) and the manipulation of a touch panel display part (300). Here, the espresso coffee extraction device is operated by selecting all or any one of processes from (1) to (4): (1) a basic operation process for preheating a coffee extractor (100) and extracting coffee; (2) a process for setting a program for controlling the coffee extractor (100); (3) a process for setting an expert program for allowing an expert to control the the coffee extractor (100); (4) a process for providing an information screen when the coffee extractor (100) is abnormal. The present invention configured as above can automatically extract coffee having the quality equal to espresso coffee, which is manually extracted by a barista, thereby significantly improving the product quality and reliability, thus meeting various needs of consumers or users to present a good image.

Description

Technical Field [0001] The present invention relates to a method of operating an espresso coffee extracting apparatus,

The present invention relates to a method of operating an espresso coffee extracting apparatus, and more particularly, to a method and apparatus for automatically extracting coffee of a quality equivalent to an espresso hand-extracted by a barista, So that the user can meet various needs of the user, so that a good image can be provided.

The present invention provides a method of operating the patent registration No. 1499737 (2015. 03.02) filed by the present applicant.

As you know, the coffee extraction method has been remarkable. Individual extraction devices such as hand drip, machine drip, mocha pot, french press, and siphon have been developed from the Turkish leaning method which depends on human hands, and espresso coffee machines such as lever type, piston type and spring type, A fully automatic coffee machine that combines digital technology is digging into shops and homes with convenience. This constantly evolving extraction process is also the driving force and powerhouse of the coffee industry.

Espresso machine is a modern extraction method that uses the pressure of the boiler and the motor to extract the coffee quickly. The invention and development of a coffee machine, which is said to be the crystal of modern science, plays a decisive role in espresso coffee becoming a synonym for modern coffee. This has enabled coffee companies to step up the economic value added of coffee, and consumers can enjoy more delicious coffee in a faster time and more stable manner. And the espresso coffee machine is a big contributor to the formation and recognition of a new class of barista. People are enthusiastic about this small, compact and sophisticated machine. At first glance, I can not help being wondered at how quick and easy it is to get a coffee that is so simple and easy to look at, with just a few handsteps: the action of a barista, the reception of coffee, the packing action, the tamping action, Today, espresso coffee machines have become an indispensable core equipment that is common in cafes and coffee shops around the world.

This espresso coffee extractor is designed to be mechanically processed without the well-trained barista hand technique. This extracting device is designed to be used in combination with a boiler device for supplying hot water and a grinder device for grinding coffee beans. The boiler or grinder device can be combined with the extracting device in various forms. But the key to this technology is the automatic and easy extraction of high-quality espresso coffee using cylinders and pistons.

Korean Patent Registration No. 1262177 (Mar. 05, 2013) was registered. Korean Patent Registration No. 0796015 (2008.01.11) was registered. Korean Patent Registration No. 1002461 (Dec. 13, 2010) has been registered. Korean Patent Registration No. 0924447 (Oct. 26, 2009) was registered.

DISCLOSURE OF THE INVENTION It is an object of the present invention to provide a coffee extractor comprising a coffee bean grinder, a boiler, an extraction piston driving unit, a two-way cylinder driving unit, an extraction piston and a coffee extraction filter unit. will be.

The second object of the present invention is to provide a barista coffee machine and a method of extracting and extracting espresso coffee by mechanically using cylinders and pistons, Wrist injuries and other occupational diseases.

The third object of the present invention is to provide a barista for easily handicapped persons, elderly people, etc., who are uncomfortable in the body, by easily extracting coffee.

The fourth object of the present invention is to provide an espresso extracting machine having the extracting device, which can combine the boiler device and the pulverizer device in various forms to produce industrial, commercial, home and vending machines, I can make it.

A fifth object of the present invention is to provide an espresso extractor in such various forms that the coffee extracting device can easily and automatically move by combining the machine principle and the program.

The sixth object of the present invention is that espresso coffee, which is the mainstay of all coffee beverages, is extracted automatically, so that the same taste is maintained at all times. This point is an operating element that is very important for a person operating a chain coffee shop.

The seventh object of the present invention is to provide a boiler having a large capacity, which is an advantage of a manual type (traditional type), so that hot water and steam can be widely used. Currently, the most popular coffee drink sold in Korea is Americanino coffee, which is a coffee diluted by 4-5 times hot water in espresso, so a lot of hot water is needed to make a lot of Americano, and the second most popular drink is cappuccino, To make these café latte, a large amount of steam ejection is required to warm the milk and form the foam. The coffee extractor of the present invention meets a large amount of hot water procurement and steam ejection for such beverages.

The eighth object of the present invention also has an operation device that can be easily used by all people. The coffee extract of the present invention is equipped with a 7-inch LCD screen to allow navigation of a car or touch screen operation such as a smart phone. In addition, by showing pictures using graphics and voice messages and coffee extract, anyone can easily make basic espresso coffee and americano to dilute hot water. One of the steam nozzles for cappuccino is called auto steam, It automatically presses the milk to 65-70 degrees Celsius and makes it able to reach the foam, so Barista Yugoshi does not interfere with sales and makes it easy for the elderly or handicapped to make coffee drinks.

A ninth object of the present invention is also to provide a method of controlling a coffee extracting apparatus, which is a program core, that is, an amount of crushed coffee that is automatically crushed, particles of ground coffee, an amount of extracted coffee, an amount of american water, The adjustment of the position of the data and the piston and the adjustment of the water supply time are all made possible by using Wifi. This is a fusion of new information and communication technology called Wifi, so that the service technicians of this machine can know the current state of the machine from a distance with only a mobile phone. Remote service is also available. Chain operators can use the same program with Wifi to manage all machines, so chain operators that have 100 stores or 1,000 chain stores, or if they program their tastes according to their preferences, It has the advantage of maintaining the taste.

In order to achieve this object, in order to automatically extract coffee of the same quality as that of espresso hand-extracted by Barista, power is supplied to the coffee extractor and operation of the touch panel display unit causes the control unit to operate the extraction piston drive unit, The driving unit is executed,

(1) a basic operation process of preheating coffee extractor 100 and extracting coffee;

(2) a program setting process for controlling the coffee extractor 100;

(3) setting the coffee extractor 100 as an expert program controlled by an expert;

(4) a process of providing a notification screen when the coffee extractor 100 is abnormal; And

The method of operating an espresso coffee extracting apparatus according to any one of the above (1) to (4), wherein the espresso coffee extracting apparatus is operated.

As described in detail above, the present invention is characterized in that the coffee extractor is provided with a coffee bean grinder, a boiler, an extraction piston driving unit, a two-way cylinder driving unit, an extraction piston and a coffee extraction filter unit.

According to the present invention, the operation of the piston and the cylinder, the method of supplying water, the method of adjusting the extraction pressure, and the method of adjusting the temperature can be automatically operated.

The above-described operation of the present invention allows automatic extraction of coffee of the same quality as that of espresso hand-picked by Varistar.

In addition, the present invention enables quick extraction of the espresso coffee by the two-way cylinder.

In addition, the present invention provides a high-efficiency and robust espresso coffee extracting apparatus.

In addition, the present invention makes it possible to perfectly produce an espresso coffee rich in golden crema.

The present invention greatly improves the quality and reliability of a product due to the above-mentioned effects, and thus is a very useful invention that can provide a good image by satisfying various needs of consumers who are users.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of an espresso coffee extracting apparatus applied to the present invention;
2 is a front view of an espresso coffee extracting apparatus applied to the present invention.
3 is an internal perspective view of an espresso coffee extracting apparatus applied to the present invention.
4 is a cross-sectional view of the extraction piston applied to the present invention in a descended state.
FIG. 5 is a graph showing the relationship between the distance between the two-
A sectional view of the stone falling.
FIG. 6 is a screen window informing that the present invention is being warmed up.
7 is a screen window for selecting any one of the various kinds of coffee according to the present invention.
Fig. 8 is a screen window informing that the coffee of the present invention is being extracted. Fig.
Fig. 9 is a screen window informing that extraction of the coffee of the present invention is completed.
10 is a program setting screen window for controlling the coffee extractor of the present invention.
11 is a screen window for pressing coffee setting among the four programs of the present invention.
12 is a screen window for selecting any one of the four processes of the present invention.
13 is a screen window for setting the hot water of the present invention.
14 is a screen window for setting the amount of hot water of the present invention to +, -.
15 is a screen window for selecting cleaning of the present invention.
16 is a screen window for selecting cleaning at any time of the present invention;
FIG. 17 is a screen window for performing the cleaning at the present invention. FIG.
18 is a screen window for selecting finishing cleaning of the present invention.
FIG. 19 is a flowchart illustrating a method of cleaning the present invention,
Screen window to select.
20 is a screen window for executing the finishing cleaning of the present invention.
21 is a screen window for selecting statistic buttons of the present invention.
FIG. 22 is a graph showing the relationship between daily statistics, weekly statistics, monthly statistics,
Screen window to select me.
23 is a screen window for searching statistics of the present invention.
24 is a screen window for selecting the inventive expert program;
25 is a screen for providing expert access to the present invention.
26 is a screen window for setting the temperature of the present invention, setting the pump and steam pressure.
27 is a screen window for controlling the piston position and water of the present invention.
28 is a screen window informing that the coffee extractor of the present invention is preheated.
FIG. 29 is a screen window providing a message that the steam pressure of the present invention is cold; FIG.
30 is a screen window providing a message that the heat of the heater of the present invention does not rise.
31 is a view showing a screen for providing a message when an abnormality of the machine of the present invention is detected
window.

The operation method of the espresso coffee extracting apparatus applied to the present invention is configured as shown in Figs. 1 to 31.

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Also, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of explanation, and the present invention is not necessarily limited to those shown in the drawings.

First, the present invention is equipped with a coffee extractor 100 for extracting espresso coffee automatically.

Particularly, when the coffee particles are supplied to the two-way cylinder 150 through the coffee bean grinders 101, the coffee extractor 100 pushes the hot water into the coffee with a strong pressure while the extraction piston 130 descends, An extraction piston driving part 110 is provided.

And a two-way cylinder driving unit 120 for continuously extracting coffee through the coffee extracting filter unit 140 while moving left and right when the extraction piston driving unit 110 is elevated, and discharging the extracted coffee residue to the outside do.

Hereinafter, a more specific configuration of the present invention will be described.

The extraction piston driving part 110 according to the present invention is provided with a piston driving part body 111 which is assembled and installed at the upper end of the cylinder driving part body 121 by means of the upper and lower feeding rods 114 and the upper and lower feeding screws 116.

The present invention is provided with a piston support base 112 fitted to the upper and lower transfer rods 114 and the upper and lower transfer screws 116 and vertically moving up and down by driving the up and down drive motor 115.

Further, the piston support base 112 is provided with a central extraction piston 130 and exhaust pistons 113a and 113b at both ends thereof.

The two-way cylinder driving part 120 applied to the present invention operates left and right along the left and right feed rods 126 and the left and right feed screws 123 in the cylinder driving part body 121 by driving the left and right driving motors 122, Way cylinder 150 in which a pair of injection holes 151a and 151b are formed.

In addition, a pair of outlets 124a and 124b for discharging the coffee residue of the extracted cylinder injection hole and the coffee liquid are passed through the cylinder drive body 121 of the present invention, and a coffee extracting filter unit 140 for ejecting the coffee extracting filter unit 140.

The extraction piston 130 according to the present invention is also provided with a hot water inflow hole 131 for supplying hot water from the boiler 102 to which the pump 103 is connected.

The extraction piston 130 is provided with a hole 132 communicating with the hot water inflow hole 131.

A water dispersing member 133 is disposed at the lower end of the extraction piston 130 so as to spread the water, and a filter 134 for compressing the ground coffee particles without coming up.

At this time, the discharge pistons 113a and 113b at both ends of the central extraction piston 130 according to the present invention are preferably formed to have a length of about 15 mm to discharge the coffee ground to the discharge ports 124a and 124b.

In addition, the two-way cylinder 150 applied to the present invention is provided with a heater 153 for keeping the temperature of the coffee (about 90 to 98) not to cool when the coffee is extracted, and a temperature sensor 154 for measuring the temperature.

In addition, the coffee extracting filter unit 140 according to the present invention is provided with at least one filter 141 that allows only the coffee liquid to pass therethrough while leaving the extracted coffee scraps.

And an extracting vowel member 142 provided at the lower end of the filter 141 for collecting the coffee liquid and discharging it to the coffee extracting hose 144.

The extraction vowel member 142 is provided at its lower end with a fixing device 143 for fixing the extraction vowel member 142 at a normal time and cleaning at the time of maintenance.

In addition, at least one connecting part 152 is connected to the two-way cylinder 150 so that the two-way cylinder 150 can be transferred to the left and right.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

It is to be understood that the invention is not to be limited to the specific forms thereof which are to be described in the foregoing description, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. .

The operation and effect of the method of operating the espresso coffee extracting apparatus of the present invention will be described as follows.

First, the present invention enables automatic extraction of coffee with quality equivalent to that of espresso hand-picked by Barista.

To this end, in order to automatically extract coffees of the same quality as that of espresso extracted by hand by the barista, the control unit 200 is operated by power application of the coffee extractor 100 and operation of the touch panel display unit 300, An extraction piston driving unit and a two-way cylinder driving unit,

(1) The coffee extractor 100 is preheated and the coffee is extracted.

(2) a program setting process for controlling the coffee extractor 100 is performed.

(3) setting the coffee extractor 100 as an expert program controlled by an expert.

(4) Providing a warning screen when the coffee extractor 100 is abnormal.

The espresso coffee extracting apparatus is operated by selecting any one of the above-described (1) to (4) processes.

Particularly, the basic operation of pre-heating and extracting the coffee extractor 100 according to the present invention (1)

The control unit 200 preheats the coffee extractor and extracts the coffee by power application of the coffee extractor 100 and operation of the touch panel display unit 300,

When water is supplied to the boiler 102 and the heat exchanger (not shown in the figure) by the pump 103, the water in the boiler is heated by a heater (not shown) to generate steam. (FIG. 6). That is, when the electric switch of the coffee extractor is turned 'on', a screen message is displayed with a voice message 'preheating is in progress', and the state of preheating can be viewed as a straight line graph of the screen.

(FIG. 7). That is, as soon as the preheating is finished, the screen changes and the main screen of the coffee picture is displayed and the six coffee pieces displayed on the main screen If you get a voice message that says 'Please select a coffee', you can select it.

(Fig. 8). That is, when the coffee extraction button is selected as shown in the screen, the screen displays a graphical representation of the state of the coffee in the selected beverage menu and cup, and at the same time, Give me a voice message that the espresso coffee is being extracted.

(Fig. 9). That is, when the coffee extraction is completed, a voice message " extraction is completed " is displayed together with a graphical representation of the coffee cup.

Meanwhile, the program setting process for controlling the coffee extractor 100 according to the above (2)

10). In other words, when the setting button at the bottom of the main screen is pressed, a program selection button is displayed. When the program button is pressed, four adjustment program buttons are displayed. And you can select the language from English or Hangul at the bottom, and if you press the button of the cup picture, you will go back to the main coffee screen.

Next, the user presses a coffee setting button among the four programs (FIG. 11). That is, when the user presses the coffee setting button among the four program selection buttons, the user can select the following screen.

Thereafter, any one of the following four processes is selected (FIG. 12)

First, one of L and R of the grinder setting is selected

Second, we use +, - to select the amount of ground coffee.

Third, the degree of fineness of the crushed particles is selected using +, -.

Fourth, the process of choosing the amount of water when extracting coffee using +, -.

In the present invention, when the user selects and presses the picture of the coffee setting, the button changes to blue, and then the four functions are selected. The four functions of the coffee grinder include selecting the grinder as the left / right grinder, , And R. Selecting the amount of ground coffee, selecting the fineness of the ground particles, and selecting the amount of water in the coffee extraction can be done by setting the amount using + - in the straight line graph. After making the selection, press the arrow at the bottom right to return to the main screen.

On the other hand, in the program setting process for controlling the coffee extractor 100 (2) of the present invention,

(FIG. 13). That is, when the amount of hot water is set in the adjustment program, the following screen is displayed where the amount of hot water to be ejected can be adjusted.

(FIG. 14). That is, the amount of hot water is selected by selecting one of the two menu images on the screen and using the + - on the downward line graph to set the amount of hot water to 100 to 500 cc You can set the amount of water. When the setting is finished, press the arrow button at the bottom right to return to the main screen and the amount of hot water will be executed as set.

On the other hand, in the program setting process for controlling the coffee extractor 100 (2) of the present invention,

First, a step of selecting cleaning is performed (Fig. 15). That is, the user can select the cleaning in the adjustment program and set the cleaning in the next screen.

(Fig. 16). In other words, when the machine is used 30 times (30 times extraction) or when it is not used when the machine is turned on for 30 minutes, it is automatically switched to the hot water This cleaning function does not clog the fine metal filter net of the machine and plays a large role in extracting uncontaminated coffee at all times. It is possible to adjust the number of times by pressing the cleaning on the screen at any time and using + - of the 1 character graph below. The number of times can be set from 3 to 30 times.

(Fig. 17). That is, the time for frequent cleaning is one minute. During the cleaning, the above screen is displayed so that the progress of the cleaning can be known.

(Fig. 18). In other words, unlike the occasional cleaning, the term " finish cleaning " refers to putting the pellets melting the coffee grounds, which is an important part of the maintenance of the machine The cleaning time is set to a maximum of 10 minutes. First, you can set the cleaning time from 1 minute to 10 using the + - in the date graph below by pressing the finish cleaning button on the screen. After setting, press the arrow at the bottom right to return to the main screen and the cleaning time will run as set.

(Fig. 19). In other words, before finishing the finishing cleaning, it is necessary to put the cleaning agent into the tablet inlet (at the upper part of the machine) before pressing the start button. Then click Start on the screen.

Finally, a finishing cleaning is performed (Fig. 20). That is, the progress of the finishing cleaning progresses so that the time can be seen as above.

On the other hand, in the program setting process for controlling the coffee extractor 100 (2) of the present invention,

(Fig. 21). That is, when the statistical button is selected in the adjustment program, this screen is displayed.

Then, the user selects one of daily statistics, weekly statistics, monthly statistics, and statistical search (FIG. 22). That is, the daily amount of extraction can be seen when the daily statistics are selected. You can also see all of the weekly statistics monthly statistics.

(Fig. 23). That is, the statistical search is selected on the statistical screen, and the statistics of the period can be seen by searching from the corresponding month date of the desired year to the year month month to be searched. This statistic also counts as mileage, which can be a period for exchanging regular services or consumables, which is important for service technicians.

On the other hand, the process of setting (3) the coffee extractor 100 of the present invention to a professional program controlled by an expert,

24). In other words, when entering the expert setting on the setting screen, the service technician can enter the program for adjusting the extraction state of the machine. Since this is a very technical service, It is also a security program that can not enter unless it is a service technician.

(Fig. 25). That is, in order to enter the expert program, the service technician must enter using the expert password given by the service technician or the Wifi function of the mobile phone.

The boiler water temperature, the coffee extract temperature, the cylinder temperature, the hot water temperature, the coffee extraction pressure, the steam pressure, and the like are set by a specialist on the setting screen (Fig. And enter the number at the bottom. When the setting is finished, press the arrow at the bottom right to return to the main screen and the machine will be maintained as set.

(Fig. 27). In other words, the upper part of the expert setting is a part that can not be set unless it is a highly trained specialist who controls the piston and water to extract the coffee. The position of the piston is divided into 0 ~ 9.9. When the number is inputted, the piston is stopped at the position of the number, and the water is released and moved. When the setting using the number of each position is completed, press the arrow at the bottom right to return to the main screen and execute the setting.

In the meantime, the process of providing the notification screen when the coffee extractor 100 of the present invention (4)

First, the coffee extractor 100 is preheated (Fig. 28). That is, when the hot water ejection button of the machine is pressed during the preheating, this message is displayed.

During the preheating, the steam injection knob is opened or the button is pressed to provide a message that the steam pressure is low (FIG. 29). In other words, this message is displayed when the steam injection knob is opened or the button is pressed during the preheating.

Then, when the heater is not activated and the water can not be heated, a message is displayed that the heat of the heater is not raised (Fig. 30). That is, this message appears when the heater can not be operated and the water can not be heated. If there is no problem with the electricity supply, proceed to the next message.

Finally, a step of providing a message when an abnormality of the machine is detected is performed. (Fig. 31). That is, it informs the service engineer of a message on the screen when a malfunction of the machine is detected.

Meanwhile, the control unit 200 according to the present invention controls the amount of ground coffee, the amount of ground coffee, the amount of extracted coffee, the amount of americano water, and the amount of ground coffee , Finishing cleaning, statistical data, and adjustment of the position of the piston and the time of watering can all be adjusted using Wi-Fi, and the same program is managed using Wi-Fi. ). ≪ / RTI >

The technical idea of the method of operating the espresso coffee extracting apparatus of the present invention is that the same results can be repeatedly practically practiced. Especially, by implementing the present invention as described above, it is possible to contribute to industrial development by promoting technological development.

Description of the Related Art
100: Coffee extractor
200:
300: Touch panel display section

Claims (9)

In order to fully extract the coffee of the quality equivalent to the espresso extracted by hand by the barista, the controller 200 is controlled by the power of the coffee extractor 100 and the operation of the touch panel display unit 300, Way cylinder drive unit,
(1) The basic operation of preheating the coffee extractor 100 and extracting the coffee,
The control unit 200 preheats the coffee extractor and extracts the coffee by the application of the power of the coffee extractor 100 and the operation of the touch panel display unit 300. When the water is received by the pump in the boiler and the heat exchanger, When water is heated by a heater to generate steam, a voice message is sent to indicate that it is warming up; Selecting one of the various types of coffee with the voice message; Informing that the coffee is being extracted together with the voice message; And informing that the extraction of the coffee with the voice message has been completed,
(2) The program setting process for controlling the coffee extractor 100,
Selecting a program after pressing a setting button; Pressing a coffee setting in the program; Thereafter, one of the following four processes is selected. First, one of L and R of the grinder setting is selected. Second, the process of selecting the amount of ground coffee using +, -; Third, the process of selecting the degree of fineness of the ground particles using +, -; Fourth, the process of selecting the amount of water for coffee extraction using +, -
(3) The process of setting the coffee extractor 100 as an expert program controlled by an expert,
Selecting an expert program on a setting screen; Expert access phase; Setting the temperature, setting the pump and steam pressure; Controlling the piston position and water,
(4) In the process of providing the notification screen when the coffee extractor 100 is abnormal,
Preheating the coffee extractor (100); Opening the steam ejection knob or pressing a button during preheating to provide a message that the steam pressure is low; Providing a message that the heat of the heater will not rise if the heater fails to operate and the water can not be warmed; Providing a message if an anomaly of the machine is detected,
The method of operating an espresso coffee extracting apparatus according to any one of (1) to (4) above, wherein the espresso coffee extracting apparatus is operated.
delete delete The method according to claim 1,
In the program setting process for controlling (2) the coffee extractor 100,
Setting hot water;
And setting the amount of hot water to + or -. ≪ Desc / Clms Page number 19 >
The method according to claim 1,
In the program setting process for controlling (2) the coffee extractor 100,
Selecting cleaning;
Selecting cleaning occasionally;
Performing cleaning at any time;
Selecting a finishing cleaning;
Selecting a start button after turning on the cleaning agent before starting the finishing cleaning; And
And performing a finishing cleaning. The method of operating an espresso coffee extracting apparatus according to claim 1,
The method according to claim 1,
In the program setting process for controlling (2) the coffee extractor 100,
Selecting a statistics button;
Selecting one of daily statistics, weekly statistics, monthly statistics, and statistical searches;
And extracting the coffee beans from the coffee beans, and retrieving statistics.
delete delete The method according to claim 1,
The control unit 200 controls the amount of the ground coffee, the amount of the ground coffee, the amount of the extracted coffee, the amount of the American water, the occasional cleaning, the finishing cleaning, the statistical data And the adjustment of the position of the piston and the adjustment of the water supply time can be adjusted using the WiFi and the same program is managed using the WiFi so that the service engineers can check the state of the coffee extractor 100 from a distance A method of operating an espresso coffee extracting apparatus.

Images