CN108158401A - A kind of Portable Automatic coffee machine - Google Patents

A kind of Portable Automatic coffee machine Download PDF

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Publication number
CN108158401A
CN108158401A CN201810131479.0A CN201810131479A CN108158401A CN 108158401 A CN108158401 A CN 108158401A CN 201810131479 A CN201810131479 A CN 201810131479A CN 108158401 A CN108158401 A CN 108158401A
Authority
CN
China
Prior art keywords
valve
provided
liquid
pedestal
hole
Prior art date
Application number
CN201810131479.0A
Other languages
Chinese (zh)
Inventor
李毅
Original Assignee
李毅
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李毅 filed Critical 李毅
Priority to CN201810131479.0A priority Critical patent/CN108158401A/en
Publication of CN108158401A publication Critical patent/CN108158401A/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/005Portable or compact beverage making apparatus, e.g. for travelling, for use in automotive vehicles
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/46Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/461Valves, e.g. drain valves
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-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 liquid pressure
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/4403Constructional details

Abstract

The present invention relates to a kind of Portable Automatic coffee machines, it includes hydraulic pressure pedestal and brews pedestal, pedestal is brewed with accommodating chamber, accommodating chamber has flow pass, hydraulic pressure pedestal has liquid storage cylinder, and valve body is provided in liquid storage cylinder, and valve body is equipped with valve channel, the upper end of valve channel is separated with liquid storage cylinder sealing, and the lower end of valve channel is provided with feed pathway and liquid outlet channel;Feed pathway connects liquid storage cylinder and is provided with liquid feed valve, and liquid outlet channel communicates with accommodating chamber and is provided with liquid valve;Driving device is provided on hydraulic pressure pedestal, driving device connects a plunger, and plunger puts in valve channel from the first end of valve channel and pumps under the driving of driving device.The advantage of the invention is that only needing to pump in valve channel using the driving device of smaller power, plunger, required power supply capacity is also smaller, is not only convenient for carrying, and does not need to manual pressure, realizes pressurization automation, is more convenient the use of people.

Description

A kind of Portable Automatic coffee machine

Technical field

The present invention relates to a kind of Portable Automatic coffee machines.

Background technology

Coffee is one of beverage that the mankind like, and people pursue the quality of coffee and enjoy the artistic conception of coffee, in order to obtain The coffee of better quality is obtained, one of method is to ensure brewing pressure ensure that the generation of caffeol, in order to meet this Point, people are typically only capable to make coffee using relatively large coffee apparatus, but this coffee apparatus limited by its body it is general It can only be used in fixed-site, be unfavorable for people and carry.

In order to meet people's use demand, people have invented some portable coffee machines, wherein in a Chinese patent Document (Authorization Notice No. CN103654412B, a kind of entitled Portable hand operation coffee machine) discloses one kind just In the coffee machine of carrying, the critical piece of the pressure generated is hydraulic power bar (i.e. piston rod), by piston rod to water storage The effect of case and change water storage box volume variation, and then realize supercharging purpose.However, the structure of piston rod is limited by, when In the movement of water storage box, the piston needs on piston rod closely connect piston rod with the internal face sustainable protection of water storage box always It touches, piston rod could be operated by needing to apply larger strength, therefore cause the coffee machine that can only rely on manually mode, Wu Fashi Now the mode of automation (electromagnetic drive etc.) realizes the pressurization of coffee.Unless can just it be made using powerful electric driver Piston rod activity, and for portable coffee machine, during using powerful electric driver, need larger volume and Weight, this is clearly unrealistic.

Invention content

The purpose of the present invention is to provide a kind of small-sized portable automatic coffee machines.

To achieve the above object, the present invention uses following technical scheme:

A kind of Portable Automatic coffee machine including hydraulic pressure pedestal and brews pedestal, and brewing pedestal has with for various coffees The accommodating chamber that coffee containing is put, accommodating chamber have the flow pass for coffee discharge, and hydraulic pressure pedestal has the storage to store liquid Sap cavity is provided with valve body in liquid storage cylinder, and valve body is equipped with valve channel, and the upper end of valve channel is sealed with liquid storage cylinder to be separated, valve body The lower end of channel is provided with feed pathway and liquid outlet channel;Feed pathway connects liquid storage cylinder and is provided with to control feed pathway The liquid feed valve of break-make, liquid outlet channel communicate with accommodating chamber and are provided with to control the liquid valve of liquid outlet channel break-make;Hydraulic pressure seat Be provided with driving device on body, driving device connects a plunger, plunger from the first end of valve channel put in valve channel and It pumps under the driving of driving device;Liquid feed valve is controlled to close and liquid valve opening when plunger moves down, plunger Liquid feed valve is controlled to open and liquid valve closing when moving up.

The advantage of the invention is that as a result of piston structure, plunger in the drag minimization suffered by valve channel, because And, it is only necessary to using the driving device of smaller power, plunger can pump in valve channel, used driving dress The volume put can smaller and required power supply capacity it is also smaller, thus be not only convenient for carrying, and do not need to manual pressure, realize Pressurization automation, is more convenient the use of people.

The present invention can be improved by following scheme:

The arrival end of flow pass, which is provided with the coffee when the pressure arrival setting value of accommodating chamber, can just flow through flow pass The first back pressure piece.

The first back pressure piece includes the first noumenon, and several perforation the first noumenon upper and lower end faces are provided on the first noumenon First through hole, each first through hole are aligned to multirow, the pitch-row and row between the aperture of first through hole, first through hole of going together and row Between first through hole distance depending on the setting value that reaches of pressure needs of accommodating chamber.

The diameter of the first through hole is not more than 0.25 millimeter, the pitch-row between first through hole of going together not less than 2 millimeters, row with The distance of first through hole is not less than 2 millimeters between row.

The port of export of flow pass is provided with filter screen, and the mesh of the filter screen is square hole.

Be additionally provided with the second back pressure piece in flow pass, the second back pressure piece be arranged on the first back pressure piece and filter screen it Between, the second back pressure piece includes the second ontology, is set on the second ontology there are one the second through-hole of the second ontology upper and lower end face of perforation, The diameter of second through-hole is not more than 0.5 millimeter.

The valve body includes outer cylinder body and inner cylinder body, and outer cylinder body has inner chamber of cylinder block, and the inner cylinder body is from the upper of outer cylinder body End, which enters, to be mounted in inner chamber of cylinder block, and the valve channel is arranged on inner cylinder body, and the lower end of outer cylinder body has been downwardly extending Mounting portion, mounting portion are equipped with pump head, and the liquid feed valve and liquid valve are arranged on pump head.

Inner cylinder body is fixedly installed to by a sealed support in inner chamber of cylinder block, the upper surface of the inner cylinder body be provided with Valve channel is provided with y-type seal ring in annular groove, the thickness of y-type seal ring is gradual from top to bottom end with the annular groove of central shaft Increase, the bottom of y-type seal ring are equipped with ring-shaped groove, the lower end of the inward-facing cylinder body in bottom of y-type seal ring.Y-type seal ring Especially installation not only effectively avoids liquid from being leaked from the upper end of valve channel, and further reduces plunger in valve channel Resistance.

The hydraulic pressure pedestal is with brewing together with pedestal detachable connection, one end that hydraulic pressure pedestal is docked with brewing pedestal Through hole is provided with, the pump head part puts in the through hole so that liquid outlet channel can connect accommodating chamber, and pump head is with brewing pedestal Between be provided with and make the feed pathway only isolating pad that is connected with liquid storage cylinder.

Fixed seat is provided on the hydraulic pressure pedestal, fixed frame is provided in fixed seat;The driving device includes plunger Pipe, the plunger magnetic core in plunger tube, the electromagnetic coil outside plunger tube, plunger magnetic core dock connection, institute with plunger Plunger tube is stated to be fixed on fixed frame, fixed seat is provided with charge power supply and wiring board, charge power supply by wiring board with Electromagnetic coil electrical connection makes electromagnetic coil generate variation magnetic field to push plunger magnetic core;The upper end of the sealed support and fixed frame Lower end be connected through a screw thread and be docking together.

Description of the drawings

Fig. 1 is the three-dimensional state schematic diagram of Portable Automatic coffee machine in embodiment;

Fig. 2 is hydraulic pressure pedestal in embodiment, brew pedestal and fixed seat decomposes three-dimensional state schematic diagram;

Fig. 3 is that hydraulic pressure pedestal decomposes three-dimensional state schematic diagram in embodiment;

Fig. 4 is to brew pedestal in embodiment to decompose three-dimensional state schematic diagram;

Fig. 5 is a sectional view of Portable Automatic coffee machine in embodiment;

Fig. 6 is the magnifying state schematic diagram of I in Fig. 5;

Fig. 7 is the magnifying state schematic diagram of II in Fig. 5.

Specific embodiment

In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, with reference to the accompanying drawings and examples The present invention is described in further detail.

As shown in Figures 1 and 2, a kind of Portable Automatic coffee machine includes hydraulic pressure seat detachable connection together Body 1 and brew pedestal 2, it is detachable on hydraulic pressure pedestal 1 to be provided with fixed seat 3, fixed seat 3, hydraulic pressure pedestal 1 and brew pedestal 2 It connects from top to bottom and for cylindrical shape.The lower section for brewing pedestal 2 is provided with one and can house the space of cup, when coffee machine discharges coffee During coffee, cup can be placed and accept coffee within this space.

As shown in attached drawing 3, attached drawing 5 and attached drawing 6, hydraulic pressure pedestal 1 has the liquid storage cylinder 11 to store liquid, liquid storage cylinder 11 Valve body is inside provided with, valve body is equipped with valve channel 41, and upper end and the sealing of liquid storage cylinder 11 of valve channel 41 separate, valve channel 41 Lower end be provided with feed pathway 42 and liquid outlet channel 43;Feed pathway 42 connects liquid storage cylinder 11 and is provided with to control feed liquor The liquid feed valve 421 of 42 break-make of channel, liquid outlet channel 43 communicate with following accommodating chambers 21 and are provided with that liquid is controlled out to lead to The liquid valve 431 of 43 break-make of road;It is provided with driving device on hydraulic pressure pedestal 1, driving device connects a plunger 44, and plunger 44 is from valve The first end of body channel 41 puts in valve channel 41 and pumps under the driving of driving device;Plunger 44 is to moving down Control liquid feed valve 421 is closed when dynamic and liquid valve 431 is opened, and liquid feed valve 421 is controlled to open liquid when plunger 44 moves up Valve 431 is closed.

The valve body includes outer cylinder body 45 and inner cylinder body 46, and outer cylinder body 45 has inner chamber of cylinder block 451, and the inner cylinder body 46 is certainly The upper end of outer cylinder body 45, which enters, to be mounted in inner chamber of cylinder block 451, and the valve channel 41 is arranged on inner cylinder body 46, outer cylinder body 45 Lower end be downwardly extending mounting portion 452, mounting portion 452 is equipped with pump head 47, the liquid feed valve 421 and liquid valve 431 It is arranged on pump head 47, common structure can be used in the structure of liquid feed valve 421 and liquid valve 431, such as using such as attached drawing 5 or attached Structure shown in Fig. 6, this will not be repeated here.Hydraulic pressure pedestal 1 is provided with through hole, the pump head 47 with brewing one end that pedestal 2 docks Part puts in the through hole so that liquid outlet channel 43 can connect following accommodating chambers 21, and pump head 47 and brewing is set between pedestal 2 There is the isolating pad 12 that feed pathway 42 is made only to be connected with liquid storage cylinder 11, isolating pad 12 is mounted on by a support sealing frame 26 and brewed Pedestal 2.

The inner cylinder body 46 is fixedly installed to by a sealed support 31 in inner chamber of cylinder block 451, the inner cylinder body 46 Upper surface is provided with the annular groove 461 with central shaft with valve channel 41, and y-type seal ring 462, the sealing of Y types are provided in annular groove 461 The thickness of circle 462 gradually increases from top to bottom end, and the bottom of y-type seal ring 462 is equipped with ring-shaped groove 463, y-type seal ring The lower end of the 462 inward-facing cylinder body 46 in bottom.

Fixed frame 32 is provided in fixed seat 3;The driving device includes plunger tube, the plunger magnetic core in plunger tube 52nd, the electromagnetic coil outside plunger tube, plunger magnetic core 52 dock connection with plunger 44, and the plunger tube is fixed on solid Determine on frame 32, fixed seat 3 is provided with charge power supply 61 (preferably lithium battery) and wiring board 62, and charge power supply 61 passes through wiring board 62 Being electrically connected with electromagnetic coil makes electromagnetic coil generate variation magnetic field to push plunger magnetic core 52;The upper end of the sealed support 31 with The lower end of fixed frame 32, which is connected through a screw thread, to be docking together.

As a result of 44 structure of plunger, plunger 44 is sealed in the drag minimization suffered by valve channel 41, particularly Y types The special installation of circle 462 not only effectively avoids liquid from being leaked from the upper end of valve channel 41, and further reduces plunger 44 and exist The resistance of valve channel 41, thus, it is only necessary to using the driving device (calutron as described above) of smaller power, plunger 44 is Can pump in valve channel 41, the volume of used driving device can smaller and required power supply capacity also compared with It is small, thus be not only convenient for carrying, and do not need to manual pressure, it realizes pressurization automation, is more convenient the use of people.

As shown in attached drawing 4, attached drawing 5 and attached drawing 7, brew the mode that pedestal 2 is connected through a screw thread and be connected to hydraulic pressure pedestal 1 Together, brewing pedestal 2 has with the accommodating chamber 21 housed for various coffee pads, for convenience of the placement of coffee pads, accommodating chamber 21 Inside it is provided with coffee powder box 28.Accommodating chamber 21 has the flow pass for coffee discharge, and the arrival end of flow pass, which is provided with, works as Coffee can just flow through the first back pressure piece 22 of flow pass when the pressure of accommodating chamber 21 reaches setting value, and the first back pressure piece 22 passes through Back pressure piece supporting rack 27 is set in accommodating chamber 21.

Specifically, the first back pressure piece 22 includes the first noumenon, several perforation firsts are provided on the first noumenon The first through hole of body upper and lower end face, each first through hole are aligned to multirow, the hole between the aperture of first through hole, first through hole of going together Distance away from the first through hole between row and row is depending on the setting value that the pressure needs of accommodating chamber 21 reach.According to inventor's Test of many times, the diameter of the first through hole is preferably 0.25 millimeter, and the distance of first through hole is preferably 2 millimeters between row and row When, the pressure energy of accommodating chamber 21 reaches elevated pressures (2MPa) and ensure that the generation of caffeol, and can flow through the coffee of generation Flow pass, in the case where the pressure of accommodating chamber 21 is less than 2MPa, generated coffee, which can not be successfully, flows through flow pass.

The port of export of flow pass is provided with filter screen 23, and the mesh of the filter screen 23 is square hole.Square hole can be broken The surface tension of bad liquid, so as to coffee be made to flow completely out without being trapped on mesh.

The second back pressure piece 24 is additionally provided in flow pass, the second back pressure piece 24 is arranged on the first back pressure piece 22 and filtering Between net 23, the second back pressure piece 24 includes the second ontology, and there are one the second ontology upper and lower end faces of perforation for setting on the second ontology Second through-hole 241, the diameter of the second through-hole are not more than 0.5 millimeter.Second back pressure piece 24 further ensures the pressure of accommodating chamber 21 Power increases.

Third back pressure piece 25 is provided in the port of accommodating chamber 21 towards hydraulic pressure pedestal 1, third back pressure piece 25 includes third Ontology is provided with the third through-holes of several perforation third ontology upper and lower end faces on third ontology, and each third through-hole is aligned to more Row, the distance of first through hole is according to ensureing that liquid leads between the pitch-row and row and row between the aperture of first through hole, colleague's first through hole Depending on the liquid in road 43 under normal pressure will not be by third through-hole.According to the test of many times of inventor, the first through hole it is straight Diameter is no more than 0.3 millimeter, ensures when the distance of first through hole is 2 millimeters between the pitch-row and row and row between first through hole of going together The liquid of liquid channel 43 will not be accommodated in the various coffee pads of accommodating chamber 21 by third through-hole to bedew under normal pressure.

When in use, fixed seat 3 can be detached together with valve body on hydraulic pressure pedestal 1, the liquid storage cylinder 11 of hydraulic pressure pedestal 1 Outside is revealed in order to increase liquid, pedestal 2 will be brewed and detach to replace various coffee pads with hydraulic pressure pedestal 1.

Better embodiment of the above-described embodiment for the present invention, but the implementation of the present invention is not limited to this, and other are any Without departing from the present invention Spirit Essence with made under principle change, modification, replacement, combine, simplification, be equivalent displacement side Formula is included within protection scope of the present invention.

Claims (10)

1. a kind of Portable Automatic coffee machine including hydraulic pressure pedestal and brews pedestal, brewing pedestal has with for various coffees Contain the accommodating chamber put, accommodating chamber has the flow pass for coffee discharge, which is characterized in that hydraulic pressure pedestal has to store The liquid storage cylinder of liquid, is provided with valve body in liquid storage cylinder, and valve body is equipped with valve channel, upper end and the liquid storage cylinder of valve channel seal every It opens, the lower end of valve channel is provided with feed pathway and liquid outlet channel;Feed pathway connects liquid storage cylinder and is provided with to control The liquid feed valve of feed pathway break-make, what liquid outlet channel communicated with accommodating chamber and was provided with to control liquid outlet channel break-make goes out liquid Valve;Driving device is provided on hydraulic pressure pedestal, driving device connects a plunger, and plunger puts in valve body from the first end of valve channel Channel simultaneously pumps under the driving of driving device;Control liquid feed valve is closed when plunger moves down and liquid valve is beaten It opens, liquid feed valve is controlled to open and liquid valve closing when plunger moves up.
A kind of 2. Portable Automatic coffee machine according to claim 1, which is characterized in that the arrival end setting of flow pass There is the coffee when the pressure arrival setting value of accommodating chamber that can just flow through the first back pressure piece of flow pass.
3. a kind of Portable Automatic coffee machine according to claim 2, which is characterized in that the first back pressure piece includes the One ontology, the first through hole of several perforation the first noumenon upper and lower end faces are provided on the first noumenon, and each first through hole is aligned to Multirow, the distance of first through hole is according to accommodating chamber between the pitch-row and row and row between the aperture of first through hole, colleague's first through hole Depending on the setting value that pressure needs reach.
4. a kind of Portable Automatic coffee machine according to claim 3, which is characterized in that the diameter of the first through hole is not More than 0.25 millimeter, the pitch-row between first through hole of going together is not less than 2 millimeters, and the distance of first through hole is not less than 2 between row and row Millimeter.
A kind of 5. Portable Automatic coffee machine according to claim 2, which is characterized in that the port of export setting of flow pass There is filter screen, the mesh of the filter screen is square hole.
6. a kind of Portable Automatic coffee machine according to claim 5, which is characterized in that be additionally provided in flow pass Second back pressure piece, the second back pressure piece are arranged between the first back pressure piece and filter screen, the second back pressure piece include the second ontology, second Setting is there are one the second through-hole of the second ontology upper and lower end face of perforation on ontology, and the diameter of the second through-hole is no more than 0.5 millimeter.
7. a kind of Portable Automatic coffee machine according to claim 1 to claim 6 any claim, feature exist In the valve body includes outer cylinder body and inner cylinder body, and outer cylinder body has inner chamber of cylinder block, and the inner cylinder body enters from the upper end of outer cylinder body In inner chamber of cylinder block, the valve channel is arranged on inner cylinder body, and the lower end of outer cylinder body has been downwardly extending mounting portion, Mounting portion is equipped with pump head, and the liquid feed valve and liquid valve are arranged on pump head.
8. a kind of Portable Automatic coffee machine according to claim 7, which is characterized in that inner cylinder body passes through a sealed support It is fixedly installed in inner chamber of cylinder block, the upper surface of the inner cylinder body is provided with the annular groove with valve channel with central shaft, annular groove In be provided with y-type seal ring, the thickness of y-type seal ring gradually increases from top to bottom end, and the bottom of y-type seal ring is equipped with annular Groove, the lower end of the inward-facing cylinder body in bottom of y-type seal ring.
9. a kind of Portable Automatic coffee machine according to claim 8, which is characterized in that the hydraulic pressure pedestal and brewing seat Together, hydraulic pressure pedestal is provided with through hole to body detachable connection with brewing one end that pedestal docks, and the pump head part is stretched Into the through hole so that liquid outlet channel can connect accommodating chamber, pump head and brewing, which is provided between pedestal, makes feed pathway only and liquid storage cylinder The isolating pad of connection.
10. a kind of Portable Automatic coffee machine according to claim 8, which is characterized in that set on the hydraulic pressure pedestal There is fixed seat, fixed frame is provided in fixed seat;The driving device include plunger tube, the plunger magnetic core in plunger tube, Electromagnetic coil outside plunger tube, plunger magnetic core dock connection with plunger, and the plunger tube is fixed on fixed frame, Fixed seat is provided with charge power supply and wiring board, and charge power supply is electrically connected by wiring board with electromagnetic coil generates electromagnetic coil Variation magnetic field is to push plunger magnetic core;The upper end of the sealed support and the lower end of fixed frame are connected through a screw thread and are docked at one It rises.
CN201810131479.0A 2018-02-09 2018-02-09 A kind of Portable Automatic coffee machine CN108158401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810131479.0A CN108158401A (en) 2018-02-09 2018-02-09 A kind of Portable Automatic coffee machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810131479.0A CN108158401A (en) 2018-02-09 2018-02-09 A kind of Portable Automatic coffee machine
PCT/CN2018/078217 WO2019153398A1 (en) 2018-02-09 2018-03-07 Portable automatic coffee machine

Publications (1)

Publication Number Publication Date
CN108158401A true CN108158401A (en) 2018-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810131479.0A CN108158401A (en) 2018-02-09 2018-02-09 A kind of Portable Automatic coffee machine

Country Status (2)

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CN (1) CN108158401A (en)
WO (1) WO2019153398A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100552A1 (en) * 2008-02-17 2009-08-20 Egro Coffee Systems Ag Brewing unit for a coffee maker
CN201987333U (en) * 2011-01-27 2011-09-28 苏州工业园区咖乐美电器有限公司 Infusing device of coffer maker
US9420911B2 (en) * 2011-02-26 2016-08-23 Alpha Dominchel Ltd Hot beverage brewing system
CN203987611U (en) * 2014-07-24 2014-12-10 宁波美侬咖啡机有限公司 Brew supercharger
US10221841B2 (en) * 2016-03-15 2019-03-05 Ode (Hk) Company Limited Fluid pump

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