CN107405018A - Furnace roof-type espresso machine - Google Patents
Furnace roof-type espresso machine Download PDFInfo
- Publication number
- CN107405018A CN107405018A CN201680012859.1A CN201680012859A CN107405018A CN 107405018 A CN107405018 A CN 107405018A CN 201680012859 A CN201680012859 A CN 201680012859A CN 107405018 A CN107405018 A CN 107405018A
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- China
- Prior art keywords
- distribution
- product
- furnace roof
- outlet
- espresso machine
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
- A47J31/30—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under steam pressure
- A47J31/303—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under steam pressure classical type of espresso apparatus, e.g. to put on a stove, i.e. in which the water is heated in a lower, sealed boiling vessel, raised by the steam pressure through a rising pipe and an extraction chamber and subsequently is collected in a beverage container on top of the water boiling vessel
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4496—Means to produce beverage with a layer on top, e.g. of cream, foam or froth
Abstract
The present invention relates to a kind of furnace roof-type espresso machine, filter (4) including boiling vessel (3), for keeping ground coffee, it can collect by making hot water pass through ground coffee the collector (5) for brewing product for preparing, wherein furnace roof-type espresso machine also includes being used to distribute the device (10) for brewing product, device is arranged in distribution duct (6) and including including along the excess pressure valve device (19) set from boiling vessel (3) to the path of collector (5) for brewing product, wherein device (10)：The excess pressure valve device (19), valve body (11) can move relative to axis of the corresponding valve seat (12) parallel to distribution duct (6), the relative resilient device (13) acted on valve body (11) is accommodated in relief chamber (14), and relief chamber is arranged on the downstream of distribution duct (6) and brews product distribution outlet (14.1) including at least one；And at least first pressure value and more than regulation brews the hand regulator part (15) of the distribution pressure of product manually between the second pressure value of first pressure value, corresponding at least one in first pressure value and second pressure value, excess pressure valve device (19) allows to brew product and leads at least one distribution outlet (14.1) from distribution duct (6), so as to prepare non-foam using furnace roof-type espresso machine and frothy brew product.
Description
Technical field
The present invention relates to a kind of furnace roof-type espresso machine.
Especially, the present invention relates to a kind of such furnace roof-type espresso machine, the furnace roof-type espresso machine is used to prepare profit
With ground coffee or beans obtain infuse coffee, barley coffee etc., particularly non-foam or frothy brew espresso coffee, i.e.,：Make
The coffee prepared with professional espresso machine.
Background technology
Although the fragrance for the coffee that many coffee drinkers preference is prepared using conventional domestic coffee maker, they nor
" crema " (foam) formed is often appreciated on the coffee prepared using professional espresso machine.
The sense organ of two kinds of coffees that are being prepared using professional espresso machine and being prepared using family expenses furnace roof-type espresso machine is special
Property between essential difference be derived from obtaining both coffees process it is different：Espresso is prepared using special machines, and this is special
Machine is substantially pressurized hot water and then is passed to be pre-loaded with the filter of ground coffee；By the filter for filling ground coffee
Pressurized hot water carry out liquid/solid extraction so that partial aromatic material included in ground coffee and fat enter in water；
In domestic coffee maker, boiling is boiled in boiling vessel, then caused pressure drives water to lead in boiling vessel during heating
The ground coffee crossed in filter, infusing coffee for so obtaining (are infused coffee and flow into the collector along being arranged on collector
In) in distribution duct rise.
A kind of scheme for being used to obtain crema in family expenses are infused coffee is described in patent IT01284992, wherein
Installed from the end of distribution duct (coffee is flowed into the collector of furnace roof-type espresso machine from the end of distribution duct)
Valve cell, valve cell include the nozzle of plug of the installation with predetermined weight thereon；The plug can be closed by gravity wherein
Moved between the position of conjunction nozzle and the position that wherein plug is removed.When plug is in the close position middle, go out in boiling vessel
Existing overvoltage.Once overvoltage reaches set-point, then plug is removed and infused coffee by the hole delivering in nozzle.So, obtain
With having the coffee of crema as the coffee-type for preparing using professional espresso machine.However, aforementioned invention lacks in the presence of some
Point, for example, using water it is more usually used than furnace roof-type espresso machine water it is less, thus relative to furnace roof-type espresso machine
Production capacity obtain less amount of coffee, and the coffee of extreme heat can not be obtained.
Moreover, according to aforementioned invention, the overall size brewed in collector is very big.
Moreover, in given high Pressure/Temperature, (the furnace roof-type espresso machine of foregoing prior art is at this temperature and pressure
Obtain and have frothy brew espresso coffee) in the case of, it is arranged between the boiling vessel and collector of furnace roof-type espresso machine
Known gaskets device is subjected to thermal stress, and after prolonged, this can trigger the feature and shadow for influenceing these packing ring devices
The notable deformation of the convenience of furnace roof-type espresso machine can be dismantled and assembled again to sound.
In addition, the excess pressure valve device being arranged in the furnace roof-type espresso machine of foregoing prior art meets with the deposition of ground coffee
And/or fouling and residue, this has lost the appropriate function of espresso machine.
The content of the invention
In view of prior art described above and from the aforesaid drawbacks for noticing cited prior art, sheet
Invention aims to provide a kind of solution for this.
It is an object of the present invention to provide a kind of furnace roof-type espresso machine, the furnace roof-type espresso machine is provided with for obtaining
Must be by using the device of the type of coffee made of professional espresso machine with crema, without use conventional domestic stove
The quality for the coffee that top formula espresso machine obtains, and aforesaid drawbacks do not occur.
It is a further object of the present invention to provide a kind of furnace roof-type espresso machine, obtained wherein can be disabled if not needing
Obtain the function of crema.
Moreover, it is an object of the present invention to provide a kind of furnace roof-type espresso machine, wherein described device have greatly by
The overall dimensions of limit.
Moreover, it is a further object of the present invention to provide a kind of furnace roof-type espresso machine, wherein should when being subjected to extra high heat
During power, the packing ring device being arranged between the boiling vessel and collector of the furnace roof-type espresso machine is not subjected to related change
Shape, thus even after prolonged, have even in acquisition under the high Pressure/Temperature of frothy brew espresso coffee,
Prevent from influenceing the feature of same packing ring device and influence simplicity that is detachable and assembling furnace roof-type espresso machine again
Any deformation.
It is a further object of the invention to provide a kind of furnace roof-type espresso machine, wherein excess pressure valve device do not meet with meeting
Lose the ground coffee deposition and/or fouling and residue of the appropriate function of excess pressure valve device.
On the other hand, it is an object of the present invention to provide a kind of furnace roof-type espresso machine, the furnace roof-type espresso equipment
There is fairly simple structure, be easily assembled to and safeguard, and can be produced on an industrial scale with greatly limited cost.
In view of these purposes, the invention provides a kind of furnace roof-type espresso machine, the essence of the furnace roof-type espresso machine
It features defines the theme of claim 1.
Other favourable features are documented in each dependent claims.
Preceding claims are intended to be fully contemplated by this article.
Especially, according to the present invention, furnace roof-type espresso machine according to the present invention is characterised by being used to distribute punching
The described device of brewage includes：
- excess pressure valve the device, in the excess pressure valve device, valve body can be parallel to described relative to corresponding valve seat
The axis of distribution duct it is mobile, the relative elastic element acted on the valve body is accommodated in relief chamber, the decompression
Chamber is arranged on the downstream of the distribution duct and distributes outlet including at least one product that brews, and
- at least first pressure value and more than between the second pressure value of first pressure value manually regulation described in brew product
Distribution pressure hand regulator part, corresponding at least one in first pressure value and second pressure value, the excess pressure valve
Device allows to brew product and leads at least one distribution outlet from the distribution duct, so as to use the furnace roof-type
Prepared by espresso machine foamless brew product and frothy brews product.
Brief description of the drawings
It is detailed according to hereafter with reference to the accompanying drawing of the example for the embodiment for showing the furnace roof-type espresso machine according to the present invention
State, the present invention will be apparent from, in the accompanying drawings：
- Fig. 1 is the perpendicular sectional view according to the first example of the embodiment of the furnace roof-type espresso machine of the present invention；
- Fig. 2 is the perpendicular sectional view of the flexible program of the embodiment of Fig. 1 furnace roof-type espresso machine；
- Fig. 3 is the detailed of the second embodiment of the furnace roof-type espresso machine of the second example according to an embodiment of the invention
Perpendicular sectional view；
- Fig. 4 is to show packing ring device and the schematic perspective decomposition view of related protection device, according to the stove of the present invention
Top formula espresso machine is set by the packing ring device and related protection device；
- Fig. 5 is the furnace roof-type espresso machine according to the 3rd embodiment of the furnace roof-type espresso machine of the present invention according to first
Operate the schematic cross sectional views of structure；And
- Fig. 6 is Fig. 5 furnace roof-type espresso machine according to the schematic cross sectional views of the second operation structure.
Embodiment
The description of three embodiments to the present invention is set forth below.
First embodiment (Fig. 1 and 2)
According to prior art, in furnace roof-type espresso machine, it is known to suitable for accommodating the boiling vessel 3 of water to be heated, using
In holding ground coffee 4 and suitable for brewing the filter for the ground coffee for receiving scheduled volume every time and leading to suitable for collecting by hot water
That crosses ground coffee and prepare brews the collector 5 of product, wherein planting annular between the boiling vessel 3 and the collector 5
Rubber washer 2, and wherein, for keeping inside of the filter of ground coffee 4 with filter 3 at side to connect, and
Connected at opposite side with brewing the distribution duct 6 of product for distributing；The furnace roof-type espresso machine also includes in a known way
The device 10,10 ', 20 of product is brewed for distributing, described device is arranged in distribution duct 6 and including being brewed along described
The excess pressure valve device 19 set from boiling vessel 3 to the path of collector 5 of product.
According to the present invention, described device 10,10 ', 20 advantageously includes (Fig. 1-3)：
- excess pressure valve the device 19, valve body 11,11 ', 24.2 is relative to corresponding valve seat in the excess pressure valve device
12nd, 12 ', 24.1 can parallel to the distribution duct 6 axis it is mobile, act on the valve body 11,11 ', 24.2
Relative elastic element 13,13 ', 13 " is accommodated in relief chamber 14,14 ', 24.3, and the relief chamber is arranged on the distribution pipe
The downstream in road 6 and including it is at least one brew product distribution outlet 14.1,14.1 ", 21, and
- at least first pressure value and more than between the second pressure value of first pressure value manually regulation described in brew product
Distribution pressure hand regulator part 15,15 ', 23, corresponding at least one in the first pressure value and second pressure value
It is individual, the excess pressure valve device 19 allow to brew product from the distribution duct 6 lead at least one distribution outlet 14.1,
14.1', 21,22, foamless brew product so as to be prepared using the furnace roof-type espresso machine and frothy brew
Product.
On the other hand, according to the present invention, the furnace roof-type espresso machine include being stacked on the rubber washer 2 by gathering
Protection ring 16 made of tetrafluoroethene, the protection ring prevent the rubber washer 2 by generation brews product and corresponds to institute
State the pressure of second pressure value and undesirably deform, and the protection ring is helped relative to institute in a manner of sliding guide
State collector 5 and assemble the boiling vessel 3 (Fig. 4).
Advantageously, the valve body 11,11 ', 24.2 is made up of silicone.
Naturally, it should be appreciated that assuming that different materials is applied to the purpose, then using these different material systems
The standby valve body 11,11 ', 24.2 is also fallen into the scope of the present invention.
In the first example of the embodiment of the furnace roof-type espresso machine according to the present invention, described device 10 includes (Fig. 1)：
- excess pressure valve the device 19, the valve body 11 described in the excess pressure valve device can be relative to the distribution duct 6
Axially moved in corresponding valve seat 12, and the relative elastic element 13 axially act on the valve body 11 and
It is accommodated in axial relief chamber 14, the relief chamber is arranged on the downstream of the distribution duct 6 and including at least one punching
Brewage distribution outlet 14.1, and
The hand regulator part 15 of-distribution pressure for brewing product, it is hollow in the hand regulator part
Axial main body 15.1 include the valve seat 12 and the valve body 11, coupled by spiral and collect to engage with the distribution duct 6
Into hollow axial thread rod 15.2 and by being carried out relative to the axial thread rod 15.2, spiral is mobile to be determined to insert
The different elastic preloading of the elastic element 13 between the hollow axial main body 15.1 and the valve body 11 are put,
The preloading is between at least between first pressure value and second pressure value, corresponding to the first pressure value and second pressure
At least one in value, excess pressure valve device 19 allows to brew product and leads to described at least one distribute from the distribution duct 6
Mouthfuls 14.1, foamless brew product so as to be prepared using the furnace roof-type espresso machine and frothy brew product.
In the flexible program of the foregoing First example of embodiments of the invention, described device 10 ' includes (Fig. 2)：
- excess pressure valve the device 19, valve body 11 ' can be relative to the distribution duct described in the excess pressure valve device
6 axially move in the respective valve seat 12 ' being arranged in same distribution duct 6, and the relative axle of elastic element 13
Act on the valve body 11 ' and be accommodated in axial relief chamber 14 to ground, the relief chamber is arranged on the distribution duct 6
Free end and including it is at least one brew product distribution outlet 14.1 ', and
The hand regulator part 15 ' of-distribution pressure for brewing product, it is hollow in the hand regulator
Cup shaped body 17 coupled by spiral and engage with the threaded free end of the distribution duct 6, and by relative to
The threaded free end carries out spiral movement and determines to be plugged between the hollow cup shaped body 17 and the valve body 11 '
The different elastic preloading of the elastic element 13 ', the preloading is between at least first pressure value and second pressure value
Between, corresponding at least one in the first pressure value and second pressure value, the excess pressure valve device 19 allows to brew system
Product lead at least one distribution outlet 14.1 ' from the distribution duct 6, so as to use the furnace roof-type espresso machine
Prepare and foamless brew product and frothy brew product.
Second embodiment (Fig. 3)
In the second example of the embodiment of the furnace roof-type espresso machine according to the present invention, described device 20 includes (Fig. 3)
First distribution being be arranged in parallel from the distribution duct 6 for brewing product exports 21 and second and distributes outlet 22, wherein the
One distribution outlet 21 is associated with the excess pressure valve device 19 and is arranged to distribute there is crema to brew product, the overvoltage
Valve device 19 includes being adapted to allow for only discharging the relative elastic element 13 " for brewing product when more than predetermined pressure,
Second distribution outlet 22 separates with the excess pressure valve device 19 and is arranged to distribution without crema or with being distributed from first
The discharge of outlet 21 brew product it is less compared to crema brew product.
Described device 20 includes control device 23, and the control device can be operated manually to allow optionally from institute
State the first distribution outlet 21 or brew product from the discharge of the described second distribution outlet 22.
Advantageously, the manually operated control device 23 includes with the distribution duct 6 being in fluid communication and its axle
Line optionally connects in a fluid tight manner relative to the parallel valve seat 23.1 of the distribution duct in the valve seat
Close needle-valve body 23.2, the needle-valve body is then coupled by spiral to be bonded in distribution cavity 23.3, the distribution cavity with it is described
Valve seat 23.1 is coaxial and with the second distribution outlet 22 radially set, and the valve body 23.2 can be by peg button
23.4 optionally control (Fig. 3).
The excess pressure valve device 19 includes valve seat 24.1, and the valve seat is in fluid communication with the distribution duct 6 and its axle
Line is parallel relative to the distribution duct, and engagement can be in distribution cavity 24.3 in a fluid tight manner in the valve seat
In the valve body 24.2 that axially moves, the distribution cavity is coaxial with the valve seat 24.2 and with described the radially set
One distribution outlet 21, the valve body 24.2 is by being accommodated in the relative resilient device 13 " in the distribution cavity 24.3 and pressurized.
It is preferred but nonessential that two according to the second embodiment of the present invention, which brew be arrangeding in parallel for product allocation unit,
's.
Therefore, the instruction for the geometry of all parts of device should be it is intended that do not limit, and only as example
There is provided.
3rd embodiment (Fig. 5 and 6)
With reference to earlier figures 5 and 6, of substantially known family expenses furnace roof-type espresso machine is referred to by reference 12；The furnace roof-type
Espresso machine includes boiling vessel 13, the filter for keeping coffee 14, collector 15 and distribution duct 116.
The furnace roof-type espresso machine 12 also includes coffee dispensing device 110, and the coffee dispensing device can brew coffee
Crema is produced in coffee and in distribution duct 116.The device 110 includes the main body 117 with forked pipeline 118；
Forked pipeline 118 includes the rising intake section for the extension for being connected directly to distribution duct 116 and forming distribution duct
118a and one end (end and the end phase for being connected to distribution duct 116 of intake section for being connected to intake section 118a
It is right) first outlet part 118b and second outlet part 118c.First outlet part 118b and second outlet part 118c points
Do not terminate at and flow out in the first distribution distribution of outlet 118d and second outlet 118e in collector 15.
Being located along first outlet part 118b includes the excess pressure valve device 19 of relative device 126.Device 110 also wraps
Include the relief chamber 121 positioned at the downstream of excess pressure valve device 19.The first distribution outlet 118d positioned at the downstream of relief chamber 121 includes more
Individual outlet opening 122, the multiple outlet opening is arranged on the bottom wall 113 of collector 15 nearby and hydrodynamics passage
Section is less than the section of the hydrodynamics passage of relief chamber 121.Excess pressure valve device 19 includes at least one He of stopper element 124
Corresponding seat 125 (particularly conical seat)；Relative device 126 includes spring, the springs preload be compressive state and
Act in stopper element 124, to maintain stopper element to close on the seat 125 of correlation.
Spring 126 is integratedly constrained on the bottom wall of relief chamber 121 at first end 126a, and with first by about
Stopper element 124 is overally supported at the second relative beam end 126a free end 126b.
Along second outlet part 118c positioning stop valves device 129.
Stop valve device 129 includes at least one stopper element 134 and corresponding seat 135 (particularly conical seat).Plug
Subcomponent 134 is arranged to spirally move relative to the main body 117 of device 110, and is integrally affixed to be arranged at dress
Put on 110 rod element 136 in the outside of main body 117.Rod element 136 forms control device, and the control device can be manual
Ground operation is infused coffee with allowing optionally to distribute from first to export 118d or export 118e discharges from the second distribution.Rod element
136 allow to control stop valve device 129, to be optionally activated or disabled from the second distribution outlet 118e and the inner side of collector 15
Between fluid communication.By around the axis that the longitudinal axis by stopper element 134 limits along a direction or the opposing party
To rotation rod element 136, actually can translate stopper element 134 along the longitudinal axis, so as to optionally towards or it is remote
Disseat 135 and moving plug element 134.
Fig. 5 shows such position, and wherein stopper element 134 engages corresponding seat 135, is used to pass through fluid to close
Section, thus forbid the second distribution outlet 118e and the inside of collector 15 between fluid communication.As will be explained below, borrow
This position is helped, infusing coffee for espresso type can be prepared.
Fig. 6 shows such position, and wherein stopper element 134 is fully retracted relative to corresponding seat 135, thus completely
Release the section for enabling flow through second outlet part 118c.As will be explained below, by this position, can make
It is standby to use type of being infused coffee obtained by conventional domestic coffee maker.
The centre position between the position shown in position and Fig. 6 shown in Fig. 5 is also feasible, because stopper element
134 spiral movement allows subtly to adjust the sophisticated position of stopper element 134 relative to seat 135；Especially, plug is worked as
, can be by forming the thin seam between the tip of stopper element 134 and seat 135 when the tip of element 134 is very close to seat 135
What gap acquisition was oozed out infuses coffee.
According to the third embodiment of the invention the operation of furnace roof-type espresso machine 12 is as follows：By furnace roof-type espresso machine
After 12 are placed on thermal source, are formed according to known method and unshowned infuse coffee is driven into distribution for simplicity
In pipeline 116, then enter at distribution duct in bifurcated passage 118.According to the position of stop valve device 129, infuse coffee
By first outlet part 118b (Fig. 5) or second outlet part 118c (Fig. 6) can be passed through.In the case of fig. 5, due to
The stop valve device 129 that second outlet part 118c is in closing position ends, thus infuse coffee can only flow it is logical
Cross the first outlet part 118b for being provided with excess pressure valve device 19.In the first outlet part 118b of bifurcated passage 118, brew
Caffeine is maintained to be blocked to close the presence of the stopper element 124 of seat 125 by preloaded spring 126, thus in collector
Cause overvoltage in 15；After given over-pressed (such as several bars order of magnitude) is reached, the down thrust infused coffee overcomes bullet
The upwards thrust of spring 126, and stopper element reduces, thus allow to infuse coffee into relief chamber 121；Once it is applied to plug
Pressure in subcomponent 125 has been released, then the resistance of spring 126 be again switched off infusing coffee by making stopper element
124 return to close seat 125；Then, overvoltage is back to foregoing set-point, it is allowed to infuses coffee and overcomes pushing away for spring 126 again
Power, thus allow coffee to be again introduced into relief chamber 121；Cause this Period Process of the opening and closing of stopper element 124
Ground repeats, untill all water contained in boiling vessel 13 have been allocated as infusing coffee；When in entrance relief chamber 121
Afterwards, continuation of infusing coffee declines towards outlet opening 122, and infuses coffee and will distribute entrance by the outlet opening
In collector 15.
During by relief chamber 121, expanded first by the liquid quality formed of infusing coffee and with after-contraction, so as to
Outlet opening 122 can be entered, the liquid quality is distributed to the bottom wall 113 of collector 15 from outlet opening, and because
And positioned at the lower section for brewing product being previously assigned.
According to methods described, infuse coffee and infused coffee by relief chamber 121 and distribution of infusing coffee to what is be previously assigned
The combination of lower section of Free Surface cause the crema to form mellowness.
So, realize and the process for period acquisition crema of infusing coffee is being prepared according to the present invention：The process is sequentially wrapped
Include：Preparation process that (use of substantially known method) infuses coffee, wherein make the limitation in overvoltage is determined of infusing coffee
(containment) step and the depressurization steps being dispensed into collector that will wherein infuse coffee.It is same what is infused coffee
During one preparation process, conditioning step and depressurization steps periodically repeat repeatedly.After the first distribution circulation, infuse coffee
Continue distribution to the lower section for the Free Surface infused coffee being previously assigned.
In Fig. 6 structure, due to stop valve device 129 be opened it is in an open position in and cause second outlet part
118c can be by infusing coffee only by second outlet part 118c from distribution duct 116, because the second outlet portion
Divide and do not have excess pressure valve device 19 (the excess pressure valve device is instead associated with first outlet part 118b), thus do not block
Infuse coffee and lead to collector 15 from boiling vessel 13.Thus, in this condition, infusing coffee can be by second outlet part
The distribution of 118c and second exports 118e and discharged.From infusing coffee and without preparation gram for the second distribution outlet 118e discharges
Infusing coffee for being prepared in the conventional coffee machine of the device of beautiful agate is the same, and thus do not have crema.At most, wherein
The tip of stopper element 134 is conditioned and (adjusted by acting on control-rod 136) into the case of very close to seat 135, by
Infused coffee in by seat 135 to ooze out, a certain amount of crema can be prepared.However, the crema prepared in such case
Amount be less than by amount caused by the excess pressure valve device 19 associated with first outlet part 118b.
As according to above it will be apparent that furnace roof-type espresso machine according to the present invention is provided with for being made
The device of the type of coffee containing crema made of professional espresso machine, without use conventional domestic furnace roof-type espresso
The quality for the coffee that machine obtains, and aforesaid drawbacks do not occur.
Moreover, in the furnace roof-type espresso machine, if it is not needed, the function of obtaining crema can be disabled.
In addition, in espresso machine according to the present invention, described device 10,10 ', 20；110 have what is be substantially limited
Overall dimension.
Moreover, in the shown furnace roof-type espresso machine, when by extra high thermal stress, furnace roof-type is arranged on
The packing ring device between the boiling vessel and collector of espresso machine is not subjected to related variation, thus even in long-term use
Afterwards, even in obtaining under the high Pressure/Temperature for having frothy brew espresso coffee, prevented also from same packing ring device will be influenceed
The function of part and any deformation for influenceing simplicity that is detachable and assembling furnace roof-type coffee machine again.
In addition, in the furnace roof-type espresso machine of detailed description, the excess pressure valve device does not meet with losing for ground coffee
The deposition and/or fouling and residue of the appropriate function of excess pressure valve device.
On the other hand, the furnace roof-type espresso machine referred to has the simple structure of essence, is easily assembled to and safeguards, and
And it can be produced on an industrial scale with the limited cost of essence.
As according to it is described above it is readily apparent that the present invention allow by it is simple it is favourable in a manner of realize described in foreword
Purpose.
Claims (according to the 19th article of modification of treaty)
1. a kind of furnace roof-type espresso machine, including：The boiling vessel (3 of water to be heated can be accommodated；13), for keeping ground coffee
And the filter (4 for the ground coffee for receiving scheduled volume can be brewed every time；14) and can collect by making hot water pass through coffee
Powder and the collector (5 for brewing product prepared；15), wherein, for keeping the filter (4 of ground coffee；14) at side with
Boiling vessel (3；13) inside connection, and distribute the distribution duct (6 for brewing product with being used at opposite side；116) connect, institute
Stating furnace roof-type espresso machine also includes being used to distribute the device (10,10 ', 20 for brewing product；110), described device is arranged in point
Distribution pipes (6；116) on and including along it is described brew product from boiling vessel (3；13) collector (5 is arrived；15) path and
The excess pressure valve device (19) of setting,
Wherein, furnace roof-type espresso machine is characterised by described device (10,10 ', 20；110) include：
- excess pressure valve the device (19), the valve body (11,11 ', 24.2 in the excess pressure valve device；124) can be relative to corresponding
Valve seat (12,12 ', 24.1；125) parallel to the distribution duct (6；116) axis it is mobile, act on the valve body
(11、11’、24.2；124) the relative elastic element (13,13 ', 13 " on；126) it is accommodated in relief chamber (14,14 ', 24.3；
121) in, the relief chamber is arranged on the distribution duct (6；116) downstream and product distribution is brewed including at least one
Outlet (14.1,14.1 ', 21；122), and
- at least first pressure value and more than point that product is brewed described in manual regulation between the second pressure value of first pressure value
Hand regulator part (15,15 ', 23 with pressure；136), corresponding in the first pressure value and second pressure value at least
One, the excess pressure valve device (19) allows to brew product from the distribution duct (6；116) described at least one brew is led to
Product distribution outlet (14.1,14.1', 21,22；122) it is, foamless so as to be prepared using the furnace roof-type espresso machine
Brew product and frothy brew product.
2. furnace roof-type espresso machine according to claim 1, it is characterised in that described device (10) includes：
- excess pressure valve the device (19), in the excess pressure valve device, the valve body (11) can be relative to the distribution duct
(6) axially moved in corresponding valve seat (12), and the relative elastic element (13) axially acts on the valve
On body (11) and it is accommodated in axial relief chamber (14), the axial relief chamber is arranged under the distribution duct (6)
Swim and distribute outlet (14.1) including at least one product that brews, and
The hand regulator part (15) of-distribution pressure for brewing product is hollow in the hand regulator part
Axial main body (15.1) includes the valve seat (12) and coupled by spiral to engage what is integrated with the distribution duct (6)
Hollow axial thread rod (15.2) and spiral is mobile to be determined to insert by being carried out relative to the axial thread rod (15.2)
The difference elasticity for putting the elastic element (13) between the hollow axial main body (15.1) and the valve body (11) is pre-
Application of load, the preloading between at least between first pressure value and second pressure value, corresponding to the first pressure value and
At least one in second pressure value, the excess pressure valve device (19) allows to brew product leads to institute from the distribution duct (6)
State at least one product that brews and distribute outlet (14.1), so as to prepare foamless punching using the furnace roof-type espresso machine
Brewage and frothy brew product.
3. furnace roof-type espresso machine according to claim 1, it is characterised in that described device (10 ') includes：
- excess pressure valve the device (19), in the excess pressure valve device, the valve body (11 ') can be relative to the distribution pipe
Road (6) axially moves in the respective valve seat (12 ') being arranged in same distribution duct (6), the relative elastic device
Part (13 ') is axially acted on the valve body (11 ') and is accommodated in axial relief chamber (14 '), and described axial subtracts
Pressure chamber is arranged on the free end of the distribution duct (6) and brews product distribution outlet (14.1 ') including at least one, with
And
The hand regulator part (15 ') of-distribution pressure for brewing product is hollow in the hand regulator part
Cup shaped body (17) coupled by spiral and engage with the threaded free end of the distribution duct (6), and by relative
Spiral movement is carried out in the threaded free end and determines to be plugged on the hollow cup shaped body (17) and the valve body (11 ')
Between the elastic element (13 ') different elastic preloading, the preloading is between at least first pressure value and
Between two pressure values, corresponding at least one in the first pressure value and second pressure value, the excess pressure valve device (19)
Allow to brew product and lead at least one distribution outlet (14.1 ') from the distribution duct (6), described in using
Prepared by furnace roof-type espresso machine foamless brew product and frothy brews product.
4. furnace roof-type espresso machine according to claim 1, it is characterised in that described device (20) brews system including described
The distribution outlet of first from the distribution duct (6) (21) of product and the second distribution outlet (22), wherein, the first distribution outlet
(21) it is associated with the excess pressure valve device (19) and be arranged to distribution and brew product, the excess pressure valve device with crema
Part (19) includes the relative elastic element (13 ") that only can allow for discharge to brew product when more than predetermined pressure,
Second distribution outlet (22) and the excess pressure valve device (19) separates and is arranged to distribution without crema or relative to the
One distribution outlet (21) crema it is less brew product,
And wherein, described device (20) includes control device (23), the control device can be employed manually, to allow
Optionally product is brewed from the described first distribution outlet (21) or from the described second distribution outlet (22) discharge.
5. furnace roof-type espresso machine according to claim 4, it is characterised in that the control device that can be manually operated
(23) include being in fluid communication with the distribution duct (6) and axis be relative to the parallel valve seat (23.1) of the distribution ducts,
And it is selectively engaged needle-valve body (23.2) in a fluid tight manner in the valve seat, the needle-valve body then passes through spiral shell
Rotation couples and is bonded on coaxial with the valve seat (23.1) and with the second distribution outlet (22) radially set
In distribution cavity (23.3), the needle-valve body (23.2) can optionally be controlled by peg button (23.4).
6. according to the furnace roof-type espresso machine described in claim 4 and/or 5, it is characterised in that excess pressure valve device (19) bag
Include and be in fluid communication with the distribution duct (6) and axis is relative to the parallel valve seat (24.1) of the distribution duct, and
Engagement valve body (24.2), the valve body can be coaxial simultaneously with the valve seat (24.2) in a fluid tight manner in the valve seat
And axially moved in the distribution cavity (24.3) with the first distribution outlet (21) radially set, the valve body
(24.2) it is pressurized by the relative elastic element (13 ") being accommodated in the distribution cavity (24.3).
7. furnace roof-type espresso machine according to claim 1, wherein, the boiling vessel (3) and the collector (5) it
Between plant annular rubber washer (2), it is characterised in that the furnace roof-type espresso machine include be stacked in the rubber washer
(2) protection ring made of polytetrafluoroethylene (PTFE) (16) on, the protection ring prevent the rubber washer (2) due to for preparing
Brew product and undesirably deformed corresponding to the pressure of the second pressure value, and the protection ring is with sliding guide
Mode help to dismantle the boiling vessel (3) relative to the collector (5).
8. according to any one of preceding claims or multinomial described furnace roof-type espresso machine, it is characterised in that the valve
Body (11,11 ', 24.2) is made up of silicone.
9. furnace roof-type espresso machine according to claim 1, it is characterised in that the described device of product is brewed for distributing
(110) the be arranged in parallel first distribution outlet (118d) and the second distribution outlet (118e) including coffee, wherein, the first distribution
Outlet (118d) is associated with the excess pressure valve device and is arranged to distribution infusing coffee with crema, the excess pressure valve
Device includes relative elastic element (126), and the relative elastic element only can allow for arranging when more than predetermined pressure
Go out to infuse coffee, the second distribution outlet (118e) and excess pressure valve device isolation open and be arranged to distribution without crema or
Crema is less compared with the first distribution outlet (118d) infuses coffee；And wherein, described device includes control device
(136), the control device can be operated, to allow optionally from the described first distribution outlet or from described second point
Infused coffee with outlet discharge.
10. furnace roof-type espresso machine according to claim 9, it is characterised in that the control device with along the punching
Stop valve device (the 134,135) phase for exporting the path of (118e) from boiling vessel (13) to the second distribution and setting to make coffee
Connection, and the stop valve device can be controlled, to selectively allow for or forbid the second distribution outlet (118e) and to steam
Fluid communication between boiler (13).
11. according to the furnace roof-type espresso machine described in claim 9 and/or 10, it is characterised in that described device (110) includes
Main body (117) with forked pipeline (118)；The intake section (118a) of the forked pipeline is connected to distribution pipe at one end
Road (116) is infused coffee with receiving, and first outlet part (118b) and second outlet part are connected at the other end
(118c), the first outlet part and second outlet part are respectively connecting to the first distribution outlet (118d) and second and distributed
Mouth (118e)；The excess pressure valve device positions along the first outlet part.
12. furnace roof-type espresso machine according to claim 11, it is characterised in that the stop valve device is included along institute
State second outlet part positioning can spiral movement stopper element (134) and corresponding seat (135)；The control device includes
The rod element (136) being integrally affixed in stopper element (134).
13. the furnace roof-type espresso machine according to claim 11 or 12, it is characterised in that described device (110) includes edge
The decompression chamber (121) that the path infused coffee is arranged on the downstream of the excess pressure valve device.
14. furnace roof-type espresso machine according to claim 13, it is characterised in that the first distribution outlet (118d) includes setting
Put in the downstream of the relief chamber and terminate at least one outlet opening of the bottom wall (113) of collector (15) nearby
(122)。
15. furnace roof-type espresso machine according to claim 14, it is characterised in that at least one outlet opening
(122) section of hydrodynamics passage is less than the section of the hydrodynamics passage of the relief chamber.
16. the furnace roof-type espresso machine according to claims 14 or 15, it is characterised in that the excess pressure valve device is included extremely
A few stopper element (124) and corresponding seat (125)；The relative elastic element include preloaded be compressive state extremely
A few spring (126), at least one spring can apply predetermined force in the stopper element and be able to maintain that institute
Stopper element is stated to close on corresponding seat.
17. furnace roof-type espresso machine according to claim 15, it is characterised in that the spring is at first end (126a) place
Integratedly it is constrained on the bottom wall of relief chamber (121), and in second free end relative with the restrained first end
(126b) place overally supports the stopper element.
Claims (17)
1. a kind of furnace roof-type espresso machine, including：The boiling vessel (3 of water to be heated can be accommodated；13), for keeping ground coffee
And the filter (4 for the ground coffee for receiving scheduled volume can be brewed every time；14) and can collect by making hot water pass through coffee
Powder and the collector (5 for brewing product prepared；15), wherein, for keeping the filter (4 of ground coffee；14) at side with
Boiling vessel (3；13) inside connection, and distribute the distribution duct (6 for brewing product with being used at opposite side；116) connect, institute
Stating furnace roof-type espresso machine also includes being used to distribute the device (10,10 ', 20 for brewing product；110), described device is arranged in point
Distribution pipes (6；116) on and including along it is described brew product from boiling vessel (3；13) collector (5 is arrived；15) path and
The excess pressure valve device (19) of setting,
Wherein, furnace roof-type espresso machine is characterised by described device (10,10 ', 20；110) include：
- excess pressure valve the device (19), the valve body (11,11 ', 24.2 in the excess pressure valve device；124) can be relative to corresponding
Valve seat (12,12 ', 24.1；125) parallel to the distribution duct (6；116) axis it is mobile, act on the valve body
(11、11’、24.2；124) the relative elastic element (13,13 ', 13 " on；126) it is accommodated in relief chamber (14,14 ', 24.3；
121) in, the relief chamber is arranged on the distribution duct (6；116) downstream and product distribution is brewed including at least one
Outlet (14.1,14.1 ', 21；122), and
- at least first pressure value and more than point that product is brewed described in manual regulation between the second pressure value of first pressure value
Hand regulator part (15,15 ', 23 with pressure；136), corresponding in the first pressure value and second pressure value at least
One, the excess pressure valve device (19) allows to brew product from the distribution duct (6；116) described at least one brew is led to
Product distribution outlet (14.1,14.1', 21,22；122) it is, foamless so as to be prepared using the furnace roof-type espresso machine
Brew product and frothy brew product.
2. furnace roof-type espresso machine according to claim 1, it is characterised in that described device (10) includes：
- excess pressure valve the device (19), in the excess pressure valve device, the valve body (11) can be relative to the distribution duct
(6) axially moved in corresponding valve seat (12), and the relative elastic element (13) axially acts on the valve
On body (11) and it is accommodated in axial relief chamber (14), the axial relief chamber is arranged under the distribution duct (6)
Swim and distribute outlet (14.1) including at least one product that brews, and
The hand regulator part (15) of-distribution pressure for brewing product is hollow in the hand regulator part
Axial main body (15.1) includes the valve seat (12) and coupled by spiral to engage what is integrated with the distribution duct (6)
Hollow axial thread rod (15.2) and spiral is mobile to be determined to insert by being carried out relative to the axial thread rod (15.2)
The difference elasticity for putting the elastic element (13) between the hollow axial main body (15.1) and the valve body (11) is pre-
Application of load, the preloading between at least between first pressure value and second pressure value, corresponding to the first pressure value and
At least one in second pressure value, the excess pressure valve device (19) allows to brew product leads to institute from the distribution duct (6)
State at least one product that brews and distribute outlet (14.1), so as to prepare foamless punching using the furnace roof-type espresso machine
Brewage and frothy brew product.
3. furnace roof-type espresso machine according to claim 1, it is characterised in that described device (10 ') includes：
- excess pressure valve the device (19), in the excess pressure valve device, the valve body (11 ') can be relative to the distribution pipe
Road (6) axially moves in the respective valve seat (12 ') being arranged in same distribution duct (6), the relative elastic device
Part (13 ') is axially acted on the valve body (11 ') and is accommodated in axial relief chamber (14 '), and described axial subtracts
Pressure chamber is arranged on the free end of the distribution duct (6) and brews product distribution outlet (14.1 ') including at least one, with
And
The hand regulator part (15 ') of-distribution pressure for brewing product is hollow in the hand regulator part
Cup shaped body (17) coupled by spiral and engage with the threaded free end of the distribution duct (6), and by relative
Spiral movement is carried out in the threaded free end and determines to be plugged on the hollow cup shaped body (17) and the valve body (11 ')
Between the elastic element (13 ') different elastic preloading, the preloading is between at least first pressure value and
Between two pressure values, corresponding at least one in the first pressure value and second pressure value, the excess pressure valve device (19)
Allow to brew product and lead at least one distribution outlet (14.1 ') from the distribution duct (6), described in using
Prepared by furnace roof-type espresso machine foamless brew product and frothy brews product.
4. furnace roof-type espresso machine according to claim 1, it is characterised in that described device (20) brews system including described
The distribution outlet of first from the distribution duct (6) (21) of product and the second distribution outlet (22), wherein, the first distribution outlet
(21) it is associated with the excess pressure valve device (19) and be arranged to distribution and brew product, the excess pressure valve device with crema
Part (19) includes the relative elastic element (13 ") that only can allow for discharge to brew product when more than predetermined pressure,
Second distribution outlet (22) and the excess pressure valve device (19) separates and is arranged to distribution without crema or relative to the
One distribution outlet (21) crema it is less brew product,
And wherein, described device (20) includes control device (23), the control device can be employed manually, to allow
Optionally product is brewed from the described first distribution outlet (21) or from the described second distribution outlet (22) discharge.
5. furnace roof-type espresso machine according to claim 4, it is characterised in that the control device that can be manually operated
(23) include being in fluid communication with the distribution duct (6) and axis be relative to the parallel valve seat (23.1) of the distribution ducts,
And it is selectively engaged needle-valve body (23.2) in a fluid tight manner in the valve seat, the needle-valve body then passes through spiral shell
Rotation couples and is bonded on coaxial with the valve seat (23.1) and with the second distribution outlet (22) radially set
In distribution cavity (23.3), the needle-valve body (23.2) can optionally be controlled by peg button (23.4).
6. according to the furnace roof-type espresso machine described in claim 4 and/or 5, it is characterised in that excess pressure valve device (19) bag
Include and be in fluid communication with the distribution duct (6) and axis is relative to the parallel valve seat (24.1) of the distribution duct, and
Engagement valve body (24.2), the valve body can be coaxial simultaneously with the valve seat (24.2) in a fluid tight manner in the valve seat
And axially moved in the distribution cavity (24.3) with the first distribution outlet (21) radially set, the valve body
(24.2) it is pressurized by the relative elastic element (13 ") being accommodated in the distribution cavity (24.3).
7. furnace roof-type espresso machine according to claim 1, wherein, the boiling vessel (3) and the collector (5) it
Between plant annular rubber washer (2), it is characterised in that the furnace roof-type espresso machine include be stacked in the rubber washer
(2) protection ring made of polytetrafluoroethylene (PTFE) (16) on, the protection ring prevent the rubber washer (2) due to for preparing
Brew product and undesirably deformed corresponding to the pressure of the second pressure value, and the protection ring is with sliding guide
Mode help to dismantle the boiling vessel (3) relative to the collector (5).
8. according to any one of preceding claims or multinomial described furnace roof-type espresso machine, it is characterised in that the valve
Body (11,11 ', 24.2) is made up of silicone.
9. furnace roof-type espresso machine according to claim 1, it is characterised in that the described device of product is brewed for distributing
(110) the be arranged in parallel first distribution outlet (118d) and the second distribution outlet (118e) including coffee, wherein, the first distribution
Outlet (118d) is associated with the excess pressure valve device and is arranged to distribution infusing coffee with crema, the excess pressure valve
Device includes relative elastic element (126), and the relative elastic element only can allow for arranging when more than predetermined pressure
Go out to infuse coffee, the second distribution outlet (118e) and excess pressure valve device isolation open and be arranged to distribution without crema or
Crema is less compared with the first distribution outlet (118d) infuses coffee；And wherein, described device includes control device
(136), the control device can be operated, to allow optionally from the described first distribution outlet or from described second point
Infused coffee with outlet discharge.
10. furnace roof-type espresso machine according to claim 9, it is characterised in that the control device with along the punching
Stop valve device (the 134,135) phase for exporting the path of (118e) from boiling vessel (13) to the second distribution and setting to make coffee
Connection, and the stop valve device can be controlled, to selectively allow for or forbid the second distribution outlet (118e) and to steam
Fluid communication between boiler (13).
11. according to the furnace roof-type espresso machine described in claim 9 and/or 10, it is characterised in that described device (110) includes
Main body (117) with forked pipeline (118)；The intake section (118a) of the forked pipeline is connected to distribution pipe at one end
Road (116) is infused coffee with receiving, and first outlet part (118b) and second outlet part are connected at the other end
(118c), the first outlet part and second outlet part are respectively connecting to the first distribution outlet (118d) and second and distributed
Mouth (118e)；The excess pressure valve device positions along the first outlet part.
12. furnace roof-type espresso machine according to claim 11, it is characterised in that the stop valve device is included along institute
State second outlet part positioning can spiral movement stopper element (134) and corresponding seat (135)；The control device includes
The rod element (136) being integrally affixed in stopper element (134).
13. the furnace roof-type espresso machine according to claim 11 or 12, it is characterised in that described device (110) includes edge
The decompression chamber (121) that the path infused coffee is arranged on the downstream of the excess pressure valve device.
14. furnace roof-type espresso machine according to claim 13, it is characterised in that the first distribution outlet (118d) includes setting
Put in the downstream of the relief chamber and terminate at least one outlet opening of the bottom wall (113) of collector (15) nearby
(122)。
15. furnace roof-type espresso machine according to claim 14, it is characterised in that at least one outlet opening
(122) section of hydrodynamics passage is less than the section of the hydrodynamics passage of the relief chamber.
16. the furnace roof-type espresso machine according to claims 14 or 15, it is characterised in that the excess pressure valve device is included extremely
A few stopper element (124) and corresponding seat (125)；The relative elastic element include preloaded be compressive state extremely
A few spring (126), at least one spring can apply predetermined force in the stopper element and be able to maintain that institute
Stopper element is stated to close on corresponding seat.
17. furnace roof-type espresso machine according to claim 15, it is characterised in that the spring is at first end (126a) place
Integratedly it is constrained on the bottom wall of relief chamber (121), and in second free end relative with the restrained first end
(126b) place overally supports the stopper element.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT202015902320917 | 2015-01-12 | ||
| ITTO2015U000003U ITTO20150003U1 (en) | 2015-01-12 | 2015-01-12 | COFFEE MAKER FOR COFFEE BREWING PREPARATION |
| ITUB20152505 | 2015-07-27 | ||
| IT102015000038301 | 2015-07-27 | ||
| PCT/IB2016/000008 WO2016113621A1 (en) | 2015-01-12 | 2016-01-12 | Stovetop espresso maker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107405018A true CN107405018A (en) | 2017-11-28 |
Family
ID=60138134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680012859.1A Pending CN107405018A (en) | 2015-01-12 | 2016-01-12 | Furnace roof-type espresso machine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3247245A1 (en) |
| CN (1) | CN107405018A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960861A (en) * | 2018-01-16 | 2018-04-27 | 张毅蔚 | Hand presses the pressure method of chamber |
| CN108175278A (en) * | 2018-01-16 | 2018-06-19 | 张毅蔚 | The pressure method of Manual pressure chamber |
| WO2023015701A1 (en) * | 2021-08-13 | 2023-02-16 | 浙江创建厨具有限公司 | Pressurized high-efficiency coffee pot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4090204B1 (en) * | 2020-01-16 | 2023-12-13 | Bialetti Industrie S.P.A. | Coffee maker with foaming device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998017160A1 (en) * | 1996-10-18 | 1998-04-30 | S.P.A. Alfonso Bialetti & C. | Pressure coffee maker for preparing coffee infusions |
| WO2007085955A2 (en) * | 2006-01-30 | 2007-08-02 | Illycaffe' S.P.A. | Method and apparatus for producing beverages |
| WO2008087481A1 (en) * | 2007-01-19 | 2008-07-24 | Forever S.R.L. | Coffee-maker structure for preparation of hot beverages |
| CN103747714A (en) * | 2010-12-17 | 2014-04-23 | 康威克斯韩国有限公司 | Foam generating member for espresso coffee machine |
-
2016
- 2016-01-12 CN CN201680012859.1A patent/CN107405018A/en active Pending
- 2016-01-12 EP EP16710001.5A patent/EP3247245A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998017160A1 (en) * | 1996-10-18 | 1998-04-30 | S.P.A. Alfonso Bialetti & C. | Pressure coffee maker for preparing coffee infusions |
| WO2007085955A2 (en) * | 2006-01-30 | 2007-08-02 | Illycaffe' S.P.A. | Method and apparatus for producing beverages |
| WO2008087481A1 (en) * | 2007-01-19 | 2008-07-24 | Forever S.R.L. | Coffee-maker structure for preparation of hot beverages |
| CN103747714A (en) * | 2010-12-17 | 2014-04-23 | 康威克斯韩国有限公司 | Foam generating member for espresso coffee machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960861A (en) * | 2018-01-16 | 2018-04-27 | 张毅蔚 | Hand presses the pressure method of chamber |
| CN108175278A (en) * | 2018-01-16 | 2018-06-19 | 张毅蔚 | The pressure method of Manual pressure chamber |
| WO2023015701A1 (en) * | 2021-08-13 | 2023-02-16 | 浙江创建厨具有限公司 | Pressurized high-efficiency coffee pot |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3247245A1 (en) | 2017-11-29 |
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