CN103142144A - Method for making espresso with coffee machine - Google Patents
Method for making espresso with coffee machine Download PDFInfo
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- CN103142144A CN103142144A CN2013100663274A CN201310066327A CN103142144A CN 103142144 A CN103142144 A CN 103142144A CN 2013100663274 A CN2013100663274 A CN 2013100663274A CN 201310066327 A CN201310066327 A CN 201310066327A CN 103142144 A CN103142144 A CN 103142144A
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Abstract
The invention provides a method for making espresso with a coffee machine. The method comprises the following steps: a coffee capsule filled with coffee powder is placed in the coffee cavity of the coffee machine and is pricked by a first pricking pin and a second pricking pin; a piston is driven to compress the water space of a water cavity to increase the pressure in the water space, and hot water is injected into the coffee capsules by the first pricking pin by virtue of the pressure; at the same time, the pressure in the coffee capsule is increased continuously, so as to extract the coffee powder in the coffee capsule under high-temperature and high-pressure conditions to make espresso; and after the pressure in the coffee capsule reaches the value of critical pressure capable of breaking through a pressure valve arranged at a coffee outlet, the espresso is led out by the second pricking pin. When the method is adopted to extract the espresso, the espresso can be made in the coffee capsule filled with coffee powder, steps such as pouring out the coffee powder is omitted, the preparation process of the espresso is simplified, and after the espresso is obtained, the coffee capsule is taken out directly so as to facilitate the cleaning of the coffee machine.
Description
Technical field
The present invention relates to a kind of preparation method of coffee, relate in particular to a kind of method of utilizing coffee machine to produce concentrated coffee.
Background technology
Coffee comprises the compositions such as caffeine, tannic acid, protein, acidity and volatile fat.It not only has higher nutritive value, and that suitable coffee for drinking has is anti-oxidant, protect the heart, strengthening the bones and muscles, the short food of appetizing, the fat that disappears disappear, and long-pending, sharp key dehumidify, activates blood circulation and disperses blood clots, ceases wind stops convulsion, and the strong fragrance of coffee such as helps to eliminate fatigue, refresh oneself at the effect.Coffee becomes a kind of perfect enjoyment already, is very popular now popular drink.
People find in for mild pursuit process, and the quality of coffee not only depends on kind and the water temperature of coffee, and the pressure of infusing coffee has most important impact equally for quality of coffee.Concrete, the water of higher pressure can further extract non-water-soluble material, thereby makes lipid (Lipophilic Substances) emulsification fully of coffee inside, dissolves in water, makes coffee have more " alcohol flavor ".
In the last few years, along with people pursue for high-quality concentrated coffee, a series of espresso coffee machines that family uses that are suitable for have appearred on market, make originally only in professional occasion, the relatively large special purpose machinery of the employing that just can drink boils by electricity the concentrated coffee that the pressure extraction of water generates in heat boiler obtains and begins to step into family life.Patent/application documents for CN101219032A, CN201542433U, CN202567818U all provide different espresso coffee machines to satisfy people for the daily demand of producing concentrated coffee for WO2005002405, China Patent Publication No./Granted publication number as International Publication No..
The volume of espresso coffee machine is larger, can be suitable for family expenses but be not easy to carrying, and produce in the concentrated coffee process, need coffee powder is poured in espresso coffee machine, pass through again a complex structure pressure-generating device with the mechanical force transfer pressure, realize pressurization under high pressure to extract concentrated coffee, its process is loaded down with trivial details.Thereby convenient and to obtain rapidly concentrated coffee be the problem that those skilled in the art need solution badly.
Summary of the invention
Problem solved by the invention is, a kind of method of utilizing coffee machine to produce concentrated coffee is provided, in the present invention, two root thorn pins are set in the coffee cavity of espresso coffee machine, and after the coffee capsule that is used for coffee powder can being put into the coffee cavity, directly broken by described two root thorn acupunctures, pass into hot water and high pressure by a root thorn pin wherein to described coffee capsule afterwards, thereby extraction obtains concentrated coffee, and derives by another root thorn pin the concentrated coffee that obtains.
In order to address the above problem, a kind of utilization in the method that coffee machine produces concentrated coffee provided by the present invention, described coffee machine comprises the first shell section with piston, the 3rd shell section that has the second shell section of the cavity that is filled with water and have the coffee cavity; In use and installation process, coffee capsule is loaded in described coffee cavity, the first pricker of described the second shell section bottom punctures the coffee capsule top, to be communicated with described cavity and the described coffee capsule of being filled with water, the coffee capsule bottom that the pricker of described coffee cavity bottom is put into, and being communicated with described coffee capsule to the coffee liquid discharging mouth, described coffee liquid discharging mouth is provided with pressure valve, the top of the described cavity that is filled with water of described piston closes;
The described method of producing concentrated coffee comprises: the water space in the described cavity that is filled with water of driven plunger compression continues to increase the pressure in described water space and described coffee capsule, and the water in the described cavity that is filled with water is injected described coffee capsule; Until surpass the critical pressure value of described pressure valve at the pressure at coffee liquid discharging mouth place, thus break through described pressure valve, obtain concentrated coffee.
Alternatively, described coffee machine comprises a lever handle, and described lever handle is connected with described piston by transmission mechanism, and drives described piston and be close to the described cavity inner wall that is filled with water and move.
Alternatively, described transmission mechanism comprises first connecting rod and the second connecting rod that is arranged at described the first shell intersegmental part;
Described second connecting rod is arranged at above described piston, and one end and described piston are flexibly connected, and an end of the other end and described first connecting rod is flexibly connected; The other end of described first connecting rod is connected with described lever handle by the rotating shaft that runs through described the first shell section.
Alternatively, described pressure valve comprises the glue valve that stops up described coffee liquid discharging mouth, and is provided be used to the elastomeric element that supports described glue valve along described coffee liquid discharging mouth direction.
Alternatively, before this step of water space in the described cavity that is filled with water of driven plunger compression, support the direction of described glue valve along described elastomeric element, adjust the stroke of described elastomeric element and grant to adjust described elastomeric element the power that described glue valve is used for stopping up described coffee liquid discharging mouth, adjust thus described critical pressure value.
Alternatively, described coffee machine is provided with a lifting base that moves along described coffee liquid discharging mouth direction, and an end of described elastomeric element withstands described glue valve, and the other end is fixed on described lifting base; By adjusting the position of described lifting base, adjust the stroke of described elastomeric element.
Alternatively, be provided with a pilum around described coffee liquid discharging mouth periphery, the outer surface of described pilum be provided with along described coffee liquid discharging mouth directional ring around external screw thread; Described lifting base is the upper end open structure, and is provided with the internal thread that matches with described external thread structure at opening part, and described elastomeric element one end props up the inner bottom surface of described lifting base;
Be provided with on described coffee machine be used to driving the adjustable ring of described lifting base around described coffee liquid discharging mouth direction rotation, offer the coffee flow that communicates with described coffee liquid discharging mouth and portal on described lifting base.
Compared with prior art, the present invention's method of utilizing coffee machine to produce concentrated coffee has the following advantages:
1) the present invention utilizes coffee machine to produce in the method for concentrated coffee, the coffee capsule that coffee powder is housed is packed into puncture described coffee capsule by the first pricker and the second pricker after the coffee cavity of coffee machine, driven plunger is compressed the water space of the cavity that is filled with water afterwards, increase the pressure in water space, and pressure injects hot water by the first pricker in described coffee capsule by this, continue to described coffee capsule supercharging simultaneously, extract during this time the coffee powder in coffee capsule under the high temperature and high pressure condition, obtain concentrated coffee, and reach the critical pressure value of the pressure valve that breaks through described coffee liquid discharging mouth setting at described pressure after, derive concentrated coffee by the second pricker.
Take the present invention to extract in the concentrated coffee process, directly produce concentrated coffee in the coffee capsule of coffee powder is housed, exempted steps such as pouring out coffee powder, thereby simplify the process of obtaining concentrated coffee.And after obtaining concentrated coffee, directly coffee capsule is taken out, be convenient to coffee machine and clean.
2) in possibility, by regulate the length of elasticity part along the direction of coffee liquid discharging mouth, thereby regulate the power that described glue valve is used for stopping up described coffee liquid discharging mouth of granting, adjust thus the critical pressure value in described coffee capsule, thereby in the adjusting coffee capsule, be used for the maximum pressure value that the high pressure extraction coffee powder obtains concentrated coffee, thus the concentrated coffee of the different taste that extracts under different pressures.
And the method that moves at the cavity that is filled with water by a lever handle driven plunger, simplified the piston actuated mode, thereby form easily high pressure and hot environment in described coffee capsule, and impel the coffee extraction rapidly at short notice in coffee capsule, improve the efficient of producing of concentrated coffee.
Description of drawings
Fig. 1 is that the present invention utilizes coffee machine to produce the flow chart of the method for concentrated coffee;
Fig. 2 is the structural representation of a kind of coffee machine of adopting;
Fig. 3 is the internal structure schematic diagram of a kind of coffee machine in Fig. 2;
Fig. 4 is the structural representation of the coffee cavity in Fig. 3.
The specific embodiment
Just as stated in the Background Art, concentrated coffee is produced in process, needs coffee machine to form at short notice high-temperature and high-pressure conditions, obtains the strong concentrated coffee of taste thereby extract rapidly coffee powder.The complex structure of existing coffee machine, use procedure is loaded down with trivial details, produces the concentrated coffee difficulty high.
A kind of coffee capsule is arranged on market, and it is packed quantitative ground coffee into and one is made in box body by paper, aluminium or similar material, thereby is convenient to carrying of coffee.The present invention utilizes coffee machine to produce the coffee machine that uses in the method for concentrated coffee to comprise: have the first shell section of piston, the 3rd shell section that has the second shell section of the cavity that is filled with water and have the coffee cavity.Described the second shell section bottom is provided with the first pricker of up and down both ends open, in described coffee cavity, coffee capsule is installed, and described coffee cavity bottom is provided with the second pricker.Described piston can be close to the piston that the described cavity inner wall that is filled with water moves.Be provided with the coffee liquid discharging mouth on described the 3rd shell section, and the outlet of described coffee liquid arranges a pressure valve, described the second described coffee liquid outlet of pricker conducting and coffee cavity.The process that adopts above-mentioned coffee machine to produce concentrated coffee comprises:
Step S1: the coffee capsule that coffee powder will be housed is packed in the coffee cavity of coffee machine, with the cavity open butt joint that is filled with water of the first shell section bottom and the second shell section, the first pricker of the second shell section bottom and and the cavity that is filled with water in the second pricker puncture described coffee capsule.
In this step, described cavity and the coffee capsule of being filled with water of described the first pricker conducting, described the second pricker is the described coffee capsule of conducting and coffee liquid discharging mouth.
Step S2: driven plunger, make the water space in the described cavity that is filled with water of piston compression, thereby continue to increase described water space pressure, hot water in the cavity that is filled with water is injected described coffee capsule by described the first pricker, form high pressure simultaneously and in coffee capsule, thereby the coffee powder under high-temperature and high-pressure conditions in the extraction coffee capsule is produced concentrated coffee;
Pressure in described coffee capsule reaches to critical pressure value, breaks through described pressure valve, and the concentrated coffee in coffee capsule flows out via the second pricker.
In the extraction process of this concentrated coffee, directly puncture by the first pricker and the second pricker the coffee capsule that coffee is housed, and pass into hot water and form high pressure in coffee capsule by the first pricker, the coffee powder extraction process directly carries out at coffee capsule, and after pressure in coffee capsule reaches certain value (critical pressure value), break through pressure valve, concentrated coffee is flowed out by the second pricker.The present invention removes steps such as opening coffee capsule from, makes concentrated coffee produce process convenient and efficient.And after obtaining concentrated coffee, can directly coffee capsule be taken out, simplify the coffee machine cleaning process.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the accompanying drawing of concrete coffee machine, the specific embodiment of the present invention is described in detail.
Set forth in the following description a lot of details so that fully understand the present invention, implement but the present invention can also adopt other to be different from alternate manner described here, so the present invention has not been subjected to the restriction of following public specific embodiment.
With reference to shown in Figure 2, coffee machine of the present invention is the three segments combined housings that are column, and described combined shell comprises the first shell section 10 that is provided with piston, the 3rd shell section 30 that is provided with the second shell section 20 of the cavity 21 that is filled with water and is provided with coffee cavity 31.Described the first shell section 10, the second shell section 20 and the 3rd shell section 30 are longitudinal arrangement.
In conjunction with reference to shown in Figure 3, described the first shell section 10 comprises the cavity 11 of lower ending opening, and the cavity 21 that is filled with water of described the second shell section 20 is the upper end open shape, and dock with the described upper end that is filled with water cavity 21 cavity 11 lower ends.Described piston 40 is loaded in the cavity 11 of described the first shell section 10, and the structure of described piston 40 and the described cavity 21 that is filled with water are complementary.Be provided with lever handle 50 in described the first shell section 10 outsides, described lever handle 50 is used for driving described piston 40 and stretches into the described cavity 21 that is filled with water along described combined shell length direction (also namely vertically) by described cavity 11, and described cavity 21 inwalls that are filled with water of fitting move up and down.
Particularly, an end of described lever handle 50 is installed on the outside of described the first shell section 10, is provided with first connecting rod 51 and second connecting rod 52 in described the first shell section 10 cavitys 11.Described first connecting rod 51 and second connecting rod 52 are as the transmission mechanism between described lever handle 50 and piston 40, wherein, first connecting rod 51 horizontally sets, and the one end is fixedly connected with described lever handle 50 by a rotating shaft that runs through described the first shell section 10 sidewalls, and (connected mode is hinged, and this pin joint position is fixed), this rotating shaft only can be rotated around the axle of self., drive described first connecting rod 51 and swing with identical radian around described rotating shaft when described rotating shaft is rotated when described lever handle 50 1 ends.Described second connecting rod 52 is vertical setting, and the other end of one end and described first connecting rod 51 is hinged by rotating shaft, and the other end of described second connecting rod 52 is articulated in described piston 40 upper ends by another rotating shaft.Described lever handle 50 drives described piston 40 and stretches in the described cavity 21 that is filled with water, and described cavity 21 inwalls that are filled with water of fitting move up and down.Particularly, lift described lever handle 50, drive described piston 40 by described first connecting rod 51 and second connecting rod 52 and moved by the second shell section 20 to first shell section 10 directions; Press down described lever handle 50, first connecting rod 51 and second connecting rod 52 drive described piston 40 and are moved by the first shell section 10 to second shell section 20 directions.
The coffee cavity 31 of described the 3rd shell section 30 is the upper end open shape, and the bottom of described the second shell section 20 is fixed in the upper end of described coffee cavity 31.Be provided with the high pressure water injection hole 22 of running through described the second shell section 20 bottoms at the cavity 21 that is filled with water, thereby the first shell section 10 be connected shell section 20 connect after described cavity 21 and the coffee cavitys 31 of being filled with water of conducting, be provided with the coffee liquid discharging mouth 32 of vertically offering in the bottom of described coffee cavity 31.
Wherein, described high pressure water injection hole 22 upper end bores are very little, thereby when injecting hot water in the described cavity 21 that is filled with water, hot water can't flow out rapidly, only have the described piston 40 of working as to move from top to bottom, when being compressed in the water space of the described cavity 21 that is filled with water and forming high pressure, hot water just can be via high pressure water injection hole 22 outflows under the driving of pressure.In preferred scheme, can the filter membrane (not shown) be installed in described high pressure water injection hole 22, to realize above-mentioned effect.
In conjunction with reference to shown in Figure 4, in described high pressure water injection hole 22, be provided with most advanced and sophisticated lower surface of extending described the second shell section 20 down, the first pricker 61 in through described coffee cavity 31, described the first pricker 61 be the hollow structure of both ends open up and down.And in described coffee liquid discharging mouth 32, be equipped with most advanced and sophisticated up and extend to the second pricker 52 of described coffee cavity 31 inside, described the second pricker 52 be also the hollow structure of both ends open up and down.
The present invention utilizes coffee machine to produce in the method for concentrated coffee, and the coffee capsule 70 that coffee powder first will be housed is packed in described coffee cavity 31, and described the second shell section 20 lower ends are fixedly connected with described the 3rd shell section 30 upper ends.In this process, described the first pricker 61 and the second pricker 62 are inserted in described coffee capsule 70 by the two ends up and down of described coffee capsule 70 respectively.
Afterwards, pour into hot water in the described cavity 21 that is filled with water, and cavity 11 lower ends of the first shell section 10 are fixedly connected with cavity 21 upper ends of being filled with water, press described lever handle 50, drive described piston 40 and move down.At this moment, in the described cavity 21 that is filled with water, space filled with hot water diminishes rapidly, thereby forms high pressure, and by described high pressure, the hot water in described water-containing cavity 21 is pressed into coffee capsule 70 via described the first pricker 61, and form high pressure simultaneously in described coffee capsule 70.At this moment, from top to bottom in moving process, the hot water in the cavity 21 that is filled with water constantly pours in described coffee capsule 70 at described piston 40, and the pressure in coffee capsule 70 constantly becomes large, thereby forms high temperature and high pressure environment, begins to extract coffee powder and produces concentrated coffee.
Described coffee liquid discharging mouth 32 is provided with pressure valve, described pressure valve comprises the glue valve 120 that is arranged at described coffee liquid discharging mouth 32 belows, described coffee liquid discharging mouth 32 is blocked in described glue valve 120 upper ends, be provided with spring 130 as elastomeric element and be positioned at described glue valve 120 belows along the direction of described coffee liquid discharging mouth 32 (namely vertical), described spring 130 is granted the support force that described glue valve 120 makes progress, thereby makes described glue valve 120 block described coffee liquid discharging mouth 32.
in described piston 40 from top to bottom continues moving process, pressure in described coffee capsule 70 constantly increases, and impact described glue valve 120 via described the second pricker 62, after the pressure in described coffee capsule 70 reaches a specific critical pressure value, overcome described spring 130 to the support force that is used for the described coffee liquid discharging mouth 32 of shutoff with described glue valve 120 (namely at the pressure of described coffee capsule 70 interior formation for the downward impulsive force of glue valve, open the critical pressure value of described pressure valve), thereby break through described glue valve 120 for the shutoff of described coffee liquid discharging mouth 32, open coffee liquid discharging mouth 32, concentrated coffee is flowed out by the second pricker 62.
In the present embodiment, thereby also can regulate it for the support force of described glue valve 120 by the length of regulating described spring 130, and adjust thus in described coffee capsule 70, need to break through described glue valve 120 for the pressure of described coffee liquid discharging mouth 32 shutoff (namely, the critical pressure value of described pressure valve), thereby adjust in described coffee capsule 70 force value during the extraction concentrated coffee.In conjunction with reference to shown in Figure 4, in described the 3rd shell section 30, be provided with a lifting base 140, described spring 130 upper ends prop up described glue valve 120, and the lower end is fixed on described lifting base 140.Being provided with one on the surface of described the 3rd shell section 30 can be around the adjustable ring 100 of the axial rotation of described cylindrical shell, and rotate described adjustable ring 100 and can control described lifting base 140 and move up and down, thus the length of regulating described spring 130.
Concrete, described lifting base 140 is upper end open, is provided with around the axial internal thread of described coffee liquid discharging mouth 32 at the openend inwall.In the lower end of described coffee liquid discharging mouth 32, be provided with around described coffee liquid discharging mouth 32 peripheries pilum 150 be set, described pilum 150 be the lower ending opening hollow barrel; Be provided with at the outer surface of described pilum 150 external screw thread that the female thread structure with described lifting base 140 is complementary, the internal thread of this external screw thread and described lifting base 140 forms helicitic texture 170 jointly, with the track that axially moves up and down along described pilum 150 as described lifting base 140.Rotate described adjustable ring 100, drive described lifting base 140 and move up and down along the helicitic texture 170 of described pilum 150, thus the length of regulating described spring 130.
As figure, described lifting base 140 and pilum 150 are hollow structure, and described spring 130, glue valve 120 are all in described lifting base 140 and the formed cavity of pilum 150.Portal 141 and be provided with coffee flow in the lower end of described lifting base 140, it communicates with described coffee liquid discharging mouth 32, described the 3rd shell section 30 lower ends are provided with coffee extract mouth 33, it portals with described coffee liquid discharging mouth 32 and coffee flow and 141 communicates, and is used for being extracted in the concentrated coffee that described coffee cavity 31 extractions obtain.
The present embodiment utilizes coffee machine to produce in the method for concentrated coffee, rotate described adjustable ring 100 and regulate described lifting base 140 along the axial position of described coffee liquid discharging mouth 32, thereby compression or discharge described spring 130 regulating its length, and determine the support force of the described spring 130 described glue valve 120 of being granted with this.And in described coffee capsule 70, from top to bottom move based on described piston 40, hot water in the described cavity 21 that is filled with water is pressed in described coffee capsule 70, and form high pressure in described coffee capsule 70, thereby impel the coffee powder extraction rapidly within the lower short time of HTHP in described coffee capsule 70.Simultaneously, the described glue valve 120 of the interior formed impacting with high pressure of described coffee capsule 70, after described coffee capsule 70 inner high voltages reach specific force value, be enough to form the power that is used for the described coffee liquid discharging mouth 32 of shutoff of granting described glue valve 120 greater than described spring 130, described glue valve 120 is by pressurized, and move down, thereby described coffee liquid discharging mouth 32 is opened, and concentrated coffee flows out.In this process, set telescopic spring amount has determined the pressure that can bear in described coffee cavity 31, and namely concentrated coffee produces pressure.
The process of producing of whole coffee is simple fast, rotates accurately and the meticulously length of regulating spring 130 by described adjustable ring 100, thereby accurately and meticulously regulates the pressure in described coffee capsule 70, to obtain the concentrated coffee under each different pressures.
It should be noted that Fig. 2 ~ coffee machine shown in Figure 4 just implements the enforcement means of the coffee machine that concentrated coffee extracting process of the present invention uses, it does not limit protection scope of the present invention, and protection scope of the present invention is as the criterion with claim.
Although the present invention discloses as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art without departing from the spirit and scope of the present invention, all can make various changes or modifications, so protection scope of the present invention should be as the criterion with the claim limited range.
Claims (7)
1. a method of utilizing coffee machine to produce concentrated coffee, is characterized in that, described coffee machine comprises the first shell section with piston, the 3rd shell section that has the second shell section of the cavity that is filled with water and have the coffee cavity; In use and installation process, coffee capsule is loaded in described coffee cavity, the first pricker of described the second shell section bottom punctures the coffee capsule top, to be communicated with described cavity and the described coffee capsule of being filled with water, the coffee capsule bottom that the pricker of described coffee cavity bottom is put into, and being communicated with described coffee capsule to the coffee liquid discharging mouth, described coffee liquid discharging mouth is provided with pressure valve, the top of the described cavity that is filled with water of described piston closes;
The described method of producing concentrated coffee comprises: the water space in the described cavity that is filled with water of driven plunger compression continues to increase the pressure in described water space and described coffee capsule, and the water in the described cavity that is filled with water is injected described coffee capsule; Until surpass the critical pressure value of described pressure valve at the pressure at coffee liquid discharging mouth place, thus break through described pressure valve, obtain concentrated coffee.
2. the method for claim 1, is characterized in that, described coffee machine comprises a lever handle, and described lever handle is connected with described piston by transmission mechanism, and drive described piston and be close to the described cavity inner wall that is filled with water and move.
3. method as claimed in claim 2, is characterized in that, described transmission mechanism comprises first connecting rod and the second connecting rod that is arranged at described the first shell intersegmental part;
Described second connecting rod is arranged at above described piston, and one end and described piston are flexibly connected, and an end of the other end and described first connecting rod is flexibly connected; The other end of described first connecting rod is connected with described lever handle by the rotating shaft that runs through described the first shell section.
4. the method for claim 1, is characterized in that, described pressure valve comprises the glue valve that stops up described coffee liquid discharging mouth, and be provided be used to the elastomeric element that supports described glue valve along described coffee liquid discharging mouth direction.
5. method as claimed in claim 4, it is characterized in that, before this step of water space in the described cavity that is filled with water of driven plunger compression, support the direction of described glue valve along described elastomeric element, adjust the stroke of described elastomeric element and grant to adjust described elastomeric element the power that described glue valve is used for stopping up described coffee liquid discharging mouth, adjust thus described critical pressure value.
6. method as claimed in claim 5, is characterized in that, described coffee machine is provided with a lifting base that moves along described coffee liquid discharging mouth direction, and an end of described elastomeric element withstands described glue valve, and the other end is fixed on described lifting base; By adjusting the position of described lifting base, adjust the stroke of described elastomeric element.
7. method as claimed in claim 6, is characterized in that, is provided with a pilum around described coffee liquid discharging mouth periphery, the outer surface of described pilum be provided with along described coffee liquid discharging mouth directional ring around external screw thread; Described lifting base is the upper end open structure, and is provided with the internal thread that matches with described external thread structure at opening part, and described elastomeric element one end props up the inner bottom surface of described lifting base;
Be provided with on described coffee machine be used to driving the adjustable ring of described lifting base around described coffee liquid discharging mouth direction rotation, offer the coffee flow that communicates with described coffee liquid discharging mouth and portal on described lifting base.
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| CN2013100663274A CN103142144A (en) | 2013-03-01 | 2013-03-01 | Method for making espresso with coffee machine |
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Application publication date: 20130612 |