CN101862120A - Filter device of pressure coffee machine - Google Patents
Filter device of pressure coffee machine Download PDFInfo
- Publication number
- CN101862120A CN101862120A CN 201010115961 CN201010115961A CN101862120A CN 101862120 A CN101862120 A CN 101862120A CN 201010115961 CN201010115961 CN 201010115961 CN 201010115961 A CN201010115961 A CN 201010115961A CN 101862120 A CN101862120 A CN 101862120A
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- China
- Prior art keywords
- filter
- cover
- lower cover
- mentioned
- coffee
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- A47J31/34—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 liquid pressure
- A47J31/36—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 liquid pressure with mechanical pressure-producing means
- A47J31/3666—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 liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
- A47J31/3671—Loose coffee being employed
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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
- A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
- A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
-
- 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
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/462—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank
- A47J31/467—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank for the infusion
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
The invention discloses a filter device of a pressure coffee machine, which comprises an upper filter cover and a lower filter cover, wherein the upper and lower filter covers are fixedly connected; the upper filter cover is provided with a central limiting hole; the lower filter cover is provided with a lower cover center hole; a gas-liquid mixing cavity is reserved between the upper and lower filter covers; and a coffee filter screen is fixed in the lower cover center hole and/or the central limiting hole. As the filter device adopts the structure that the upper filter cover is provided with the central limiting hole and the lower filter cover is provided with the lower cover center hole, coffee liquid is filtered by a filter disc, is ejected in a form of swift current formed after passing through the limiting hole of the upper filter cover, impacts the multi-layer filter screen and is mixed with air to generate rich fine foams. In the filter device, an air replenishment channel is arranged, so the coffee liquid can flow more smoothly. The filter device has the characteristics of simple and rational structure, detachable cleaning, convenient operation, and the capacity of making coffee with the rich fine foams and redoubled mouthfeel.
Description
Technical field
The present invention is a kind of filter of pressure coffee machine, belongs to the renovation technique of the filter of pressure coffee machine.
Background technology
The double-layer leaching net of existing cafe filter is made of filter cup and filter screen internal layer, and filter screen internal layer close-fitting is in the inside of filter cup, and coffee produces foam through hitting behind the filter screen on the coffee catch.The foam rareness that this traditional filter produces, fine and smooth inadequately.A kind of coffee machine aperture foam device is disclosed among the China Patent No. ZL 200620008271.2, comprise the foaming mouth, the coffee passage, 0 shape sealing ring, filter, filter cup, filter cup inner chamber, the coffee outlet, interlayer, via hole, coffee current divider, the coffee baffle plate, it is characterized in that: the foaming mouth is positioned at the bottom of filter cup, and filter connects the bottom surface that sealing ring is pressed on filter cup by screw, is placed with various coffee cakes or coffee powder in the filter cup inner chamber, and formation brewing cavity, by the coffee liquid of filter filter cup inner chamber, the coffee liquid of the band pressure in the interlayer is by the coffee liquid of the via hole generation spurting of foaming mouth in interlayer, and the coffee exit is provided with the coffee baffle plate, coffee baffle plate below is provided with the coffee current divider, and the coffee current divider has tap hole.Via hole is left in foaming mouth below, and via hole connects a coffee passage, and coffee passage one side is led to the coffee outlet, is provided with baffle plate on the sidewall below the coffee filter cup, and described coffee outlet is towards baffle plate.Coffee current divider edge upwarps, and its middle part low spot is provided with tap hole.The coffee that the coffee maker of this structure bubbles out produces foam by hitting the coffee baffle plate rapidly, its foam is still rare, inadequately fine and smooth, mouthfeel is poor, cleans inconvenient.
Summary of the invention
The objective of the invention is to consider the problems referred to above and provide a kind of simple and reasonable, easy to operate, detachable without tool cleans, the filter of the abundant fine and smooth pressure coffee machine of the coffee foam that brews out.The present invention is reasonable in design, and is convenient and practical.
Technical scheme of the present invention is: the filter of pressure coffee machine of the present invention, filter include filter cover and filter lower cover, and filter cover is fixedlyed connected with the filter lower cover; Filter cover is provided with the center metering hole, and the filter lower cover is provided with the lower cover centre bore, is formed with the gas-liquid mixed chamber between filter lower cover and the filter cover.
Be fixed with the coffee screen pack in above-mentioned lower cover centre bore and/or the center metering hole.
The geometric center of above-mentioned center metering hole is corresponding with the geometric center of lower cover centre bore, the outside of filter cover also is provided with the filter screen skin, filter cover is arranged in the filter screen skin, and the bottom of filter cover is passed the set through hole in filter screen skin bottom and is fixedlyed connected with the filter lower cover, and the top of filter cover is provided with filter.
The bottom of above-mentioned filter cover is passed the set through hole in filter screen skin bottom and is fixedlyed connected by the set filter lower cover screw thread of its filter cover screw thread of going up setting and filter lower cover.
The set lower cover centre bore of above-mentioned filter lower cover is provided with the step of support coffee screen pack, and step side is provided with blowhole, forms the gas-liquid mixed chamber between step and the filter cover.
Above-mentioned coffee screen pack is fixed in the lower cover centre bore with the filter screen retainer plate; Above-mentioned coffee screen pack is provided with one to six layer.
Above-mentioned filter lower cover is the dish shape, and peripheral oblique to the lower cover centre bore, blowhole is higher than the upper surface of coffee screen pack; Above-mentioned filter cover is the dish shape, and the periphery tilts to the center metering hole.
Above-mentioned filter is fixed on the filter screen skin by the filter sealing ring, the filter sealing ring in the form of a ring, inwall is provided with annular groove, the edge of filter and filter cover compresses and is connected in the annular groove, and the lateral surface of filter sealing ring and bottom surface are tightly connected with outer field inwall of screen pack and in-flanges respectively.
Above-mentioned filter cover is provided with in-flanges, and filter is fixed on the in-flanges of filter cover setting; The upper surface of above-mentioned filter cover also is provided with the support convex tendon, and filter is undertaken on the edge of filter cover and supports on the convex tendon.
The upper surface of above-mentioned filter cover is uniform to be provided with some pores, and the pore aperture is 0.3～1mm, is less than or equal to the aperture of center metering hole; The outer field end face of above-mentioned screen pack is provided with the flanging that is connected with the high pressure funnel.
The present invention is owing to adopt filter cover to be provided with the structure that center metering hole and filter lower cover are provided with the lower cover centre bore, after coffee liquid is filtered through filter, current limliting aperture by filter cover forms one current ejaculation rapidly, impact at multiple filtration online, by mixing, produce a large amount of fine and smooth foams with air.The present invention is provided with the air supply passage makes the coffee liquid flow more smooth and easy.It is simple and reasonable, and detachable the cleaning is easy to operate, and it is abundant fine and smooth to go out the coffee foam, the mouthfeel multiplication.The present invention is that a kind of design is ingenious, function admirable, the filter of convenient and practical pressure coffee machine.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the embodiment of the invention.
Fig. 2 is the novel assembly structure schematic diagram of the present invention.
Fig. 3 is an operation principle schematic diagram of the present invention.
The specific embodiment
Embodiment:
Structural representation of the present invention as shown in Figure 1, 2, 3, the filter 8 of pressure coffee machine of the present invention, filter 8 include filter cover 3, coffee screen pack 6 and filter lower cover 7, filter cover 3 is fixedlyed connected with filter lower cover 7; Filter cover 3 is provided with center metering hole 31, filter lower cover 7 is provided with lower cover centre bore 74, the geometric center of center metering hole 31 is corresponding with the geometric center of lower cover centre bore 74, be formed with gas-liquid mixed chamber 73 between filter lower cover 7 and the filter cover 3, coffee screen pack 6 is arranged in lower cover centre bore 74 and/or the center metering hole 31 and fixes, and the top of filter cover 3 is provided with filter 2.In the present embodiment, coffee screen pack 6 is arranged in the lower cover centre bore 74 and fixes.
For ease of installing, the outside of above-mentioned filter cover 3 also is provided with filter screen skin 4, and filter cover 3 is arranged in the filter screen skin 4, and the bottom of filter cover 3 is passed the set through hole in outer 4 bottoms of filter screen and fixedlyed connected with filter lower cover 7.
In the present embodiment, above-mentioned filter lower cover 7 set lower cover centre bores 74 are provided with the step of support coffee screen pack 6, and step side is provided with blowhole 71, form gas-liquid mixed chamber 73 between step and the filter cover 3.
For ease of installing, the bottom of above-mentioned filter cover 3 is passed the set through hole in outer 4 bottoms of filter screen and is fixedlyed connected by its filter cover screw thread 32 of going up setting and filter lower cover 7 set filter lower cover screw threads 72.
For ease of installing and guaranteeing sealing, above-mentioned coffee screen pack 6 usefulness filter screen retainer plates 5 are fixed in the lower cover centre bore 74.
Above-mentioned coffee screen pack 6 is provided with one to six layer.In the present embodiment, above-mentioned coffee screen pack 6 is provided with three layers.
In the present embodiment, above-mentioned filter lower cover 7 is the dish shape, and peripheral to 74 inclinations of lower cover centre bore, blowhole 71 is higher than the upper surface of coffee screen pack 6; Above-mentioned filter cover 3 is the dish shape, and is peripheral to 31 inclinations of center metering hole.
For guaranteeing sealing, above-mentioned filter 2 is fixed on the filter screen skin 4 by filter sealing ring 1, filter sealing ring 1 in the form of a ring, inwall is provided with annular groove 11, the edge of filter 2 and filter cover 4 compresses and is connected in the annular groove 11, and the lateral surface of filter sealing ring 1 and bottom surface are tightly connected with the inwall and the in-flanges of screen pack skin 4 respectively.
For ease of installing, above-mentioned filter cover 3 is provided with in-flanges 11, and filter 2 is fixed on the in-flanges 11 of filter cover 3 settings.In addition, the upper surface of above-mentioned filter cover 3 also is provided with and supports convex tendon 33, and filter 2 is undertaken on the edge of filter cover 3 and supports on the convex tendon 33.
The upper surface of above-mentioned filter cover 3 is uniform to be provided with some pores, and the pore aperture is 0.3～1mm, is less than or equal to the aperture of center metering hole 31.
In the present embodiment, the end face of above-mentioned screen pack skin 4 is provided with the flanging 41 that is connected with high pressure funnel 10.
Operation principle of the present invention is as follows: referring to Fig. 3, when making coffee, filter 8 is placed in the high pressure funnel 10, puts an amount of coffee powder 14 then in filter 8, and high pressure funnel 10 is packed in heating pot 9.When the hot water of high pressure from flowing to the coffee powder 14 filter 8 in after heating pot 9 comes out, and the useful component in the coffee powder quenched takes out, the filter 2 of flowing through then, 2 permissions of filter liquid flows through, solid compositions such as coffee powder still rest on above the filter.Coffee is under pressure by metering hole 31, and produce the thread of a branch of high speed, the high speed thread hits gas-liquid mixed chamber, filter loam cake 3 below 73 and discharges through multilayer coffee screen pack 6, coffee screen pack 6 have allow little foam by with the effect that bigger foam is diminished, and produce a large amount of fine and smooth foams.Produced abundant and fine and smooth foam by coffee behind the said process, and by flowing into equably in the coffee cup 13 after the shunting action of coffee catch 12.Filter cover 3 and filter lower cover 7 are by being threaded, and detachable without tool cleans, and the coffee screen pack is arranged in the lower cover centre bore and has the retainer plate fixation to clean and is difficult for breaking away from.
Claims (10)
1. the filter of a pressure coffee machine is characterized in that filter (8) includes filter cover (3) and filter lower cover (7), and filter cover (3) is fixedlyed connected with filter lower cover (7); Filter cover (3) is provided with center metering hole (31), filter lower cover (7) is provided with lower cover centre bore (74), be formed with gas-liquid mixed chamber (73) between filter lower cover (7) and the filter cover (3), be fixed with coffee screen pack (6) in above-mentioned lower cover centre bore (74) and/or the center metering hole (31).
2. the filter of pressure coffee machine according to claim 1, the geometric center that it is characterized in that above-mentioned center metering hole (31) is corresponding with the geometric center of lower cover centre bore (74), the outside of filter cover (3) also is provided with filter screen skin (4), filter cover (3) is arranged in the filter screen skin (4), and the bottom of filter cover (3) is passed the set through hole in filter screen skin (4) bottom and fixedlyed connected with filter lower cover (7).
3. the filter of pressure coffee machine according to claim 2 is characterized in that the top of above-mentioned filter cover (3) also is provided with filter (2).
4. the filter of pressure coffee machine according to claim 3, the bottom that it is characterized in that above-mentioned filter cover (3) pass the set through hole in filter screen skin (4) bottom fixedlys connected by the set filter lower cover screw thread (72) of its filter cover screw thread (32) of going up setting and filter lower cover (7).
5. the filter of pressure coffee machine according to claim 4, it is characterized in that the set lower cover centre bore (74) of above-mentioned filter lower cover (7) is provided with the step of support coffee screen pack (6), step side is provided with blowhole (71), forms gas-liquid mixed chamber (73) between step and the filter cover (3).
6. the filter of pressure coffee machine according to claim 5 is characterized in that above-mentioned coffee screen pack (6) is fixed in the lower cover centre bore (74) with filter screen retainer plate (5); Above-mentioned coffee screen pack (6) is provided with one to six layer.
7. the filter of pressure coffee machine according to claim 6 is characterized in that above-mentioned filter lower cover (7) is the dish shape, and peripheral to lower cover centre bore (74) inclination, blowhole (71) is higher than the upper surface of coffee screen pack (6); Above-mentioned filter cover (3) is the dish shape, and the periphery tilts to center metering hole (31).
8. according to the filter of each described pressure coffee machine of claim 3 to 7, it is characterized in that above-mentioned filter (2) is fixed on the filter screen skin (4) by filter sealing ring (1), filter sealing ring (1) in the form of a ring, inwall is provided with annular groove (11), the edge of filter (2) and filter cover (4) compresses and is connected in the annular groove (11), and the lateral surface of filter sealing ring (1) and bottom surface are tightly connected with the inwall and the in-flanges of screen pack skin (4) respectively.
9. the filter of pressure coffee machine according to claim 8 is characterized in that above-mentioned filter cover (3) is provided with in-flanges (11), and filter (2) is fixed on the in-flanges (11) of filter cover (3) setting; The upper surface of above-mentioned filter cover (3) also is provided with and supports convex tendon (33), and filter (2) is undertaken on the edge of filter cover (3) and supports on the convex tendon (33).
10. the filter of pressure coffee machine according to claim 9 is characterized in that the upper surface of above-mentioned filter cover (3) is uniform to be provided with some pores that the pore aperture is 0.3～1mm, is less than or equal to the aperture of center metering hole (31); The end face of above-mentioned screen pack skin (4) is provided with the flanging (41) that is connected with high pressure funnel (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010115961 CN101862120A (en) | 2010-02-11 | 2010-02-11 | Filter device of pressure coffee machine |
| PCT/CN2010/074962 WO2011097866A1 (en) | 2010-02-11 | 2010-07-03 | Filtration device of pressure coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010115961 CN101862120A (en) | 2010-02-11 | 2010-02-11 | Filter device of pressure coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101862120A true CN101862120A (en) | 2010-10-20 |
Family
ID=42954208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010115961 Pending CN101862120A (en) | 2010-02-11 | 2010-02-11 | Filter device of pressure coffee machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101862120A (en) |
| WO (1) | WO2011097866A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172927A (en) * | 2014-08-04 | 2014-12-03 | 林诺锋 | Foam generator for coffee machine |
| CN104172926A (en) * | 2013-05-22 | 2014-12-03 | 泰纳克塔集团股份公司 | Espresso coffee filter and coffee machine comprising it |
| CN104271014A (en) * | 2012-02-29 | 2015-01-07 | 雀巢产品技术援助有限公司 | Container holder with filtration unit for use in a nutritional preparation machine |
| CN105982553A (en) * | 2015-02-11 | 2016-10-05 | 谊丰实业有限公司 | Novel brewing and filtering handle |
| CN106419560A (en) * | 2016-11-30 | 2017-02-22 | 武汉工程大学 | Pressurizing-type portable coffee extraction equipment |
| CN105249819B (en) * | 2015-10-27 | 2018-05-08 | 广东新宝电器股份有限公司 | A kind of filtration apparatus of coffee machine |
| CN109843122A (en) * | 2016-07-15 | 2019-06-04 | Wmf集团股份有限公司 | It is used to prepare the coffee machine of the pressure extraction coffee with low granule content, the purposes of method for the purpose and coffee machine |
| TWI733983B (en) * | 2017-02-20 | 2021-07-21 | 德商Ｗｍｆ集團有限公司 | Filter capsule for secondary filtration of coffee and use hereof |
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| AU2015264948B2 (en) * | 2015-01-28 | 2016-11-03 | Lion Beer Spirits & Wine Pty Ltd | Beverage flavouring system |
| CN105326392B (en) * | 2015-11-03 | 2018-06-15 | 宁波路玛电器有限公司 | The indoor filter-plate structure of coffee-making machine brewing chamber |
| ITUA20161783A1 (en) * | 2016-03-17 | 2017-09-17 | De Longhi Appliances Srl | REMOVABLE FILTER WITH DOUBLE WALL FOR COFFEE MACHINE WITH TIGHTENING ELEMENT |
| ITUA20161788A1 (en) | 2016-03-17 | 2017-09-17 | De Longhi Appliances Srl | DOUBLE WALL FILTER FOR COFFEE MACHINE 'WITH IMPROVED DELIVERY |
| CN108218048A (en) * | 2018-03-20 | 2018-06-29 | 天津市天创百纯环保科技有限公司 | A kind of coffee machine filter core |
| CN111345696B (en) * | 2020-03-19 | 2022-07-15 | 佛山市顺德区美的饮水机制造有限公司 | Bucket water suction housing, bucket water suction housing assembly and water dispenser |
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| CN101214124A (en) * | 2008-01-10 | 2008-07-09 | 王荐品 | High pressure filtering device for coffee machine |
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- 2010-02-11 CN CN 201010115961 patent/CN101862120A/en active Pending
- 2010-07-03 WO PCT/CN2010/074962 patent/WO2011097866A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2745484Y (en) * | 2004-08-23 | 2005-12-14 | 李宝珍 | Filtering struture of high pressure coffee apparatus |
| CN1875829A (en) * | 2006-06-28 | 2006-12-13 | 杨贻方 | Desk type coffee making machine |
| CN201208170Y (en) * | 2008-04-11 | 2009-03-18 | 广东新宝电器股份有限公司 | Filter of pressure coffee machine |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104271014B (en) * | 2012-02-29 | 2017-10-10 | 雀巢产品技术援助有限公司 | The container holder with filter element in nutrients preparation machine |
| CN104271014A (en) * | 2012-02-29 | 2015-01-07 | 雀巢产品技术援助有限公司 | Container holder with filtration unit for use in a nutritional preparation machine |
| CN104172926A (en) * | 2013-05-22 | 2014-12-03 | 泰纳克塔集团股份公司 | Espresso coffee filter and coffee machine comprising it |
| CN104172927A (en) * | 2014-08-04 | 2014-12-03 | 林诺锋 | Foam generator for coffee machine |
| CN105982553A (en) * | 2015-02-11 | 2016-10-05 | 谊丰实业有限公司 | Novel brewing and filtering handle |
| CN105249819B (en) * | 2015-10-27 | 2018-05-08 | 广东新宝电器股份有限公司 | A kind of filtration apparatus of coffee machine |
| CN109843122A (en) * | 2016-07-15 | 2019-06-04 | Wmf集团股份有限公司 | It is used to prepare the coffee machine of the pressure extraction coffee with low granule content, the purposes of method for the purpose and coffee machine |
| JP2019520936A (en) * | 2016-07-15 | 2019-07-25 | ヴェーエムエフ・グループ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Coffee machine providing low particle content pressure extraction coffee, method for this purpose and use of this coffee machine |
| US11324355B2 (en) | 2016-07-15 | 2022-05-10 | Wmf Gmbh | Coffee machine for preparation of pressure-extracted coffee with a low particle content |
| CN106419560A (en) * | 2016-11-30 | 2017-02-22 | 武汉工程大学 | Pressurizing-type portable coffee extraction equipment |
| CN106419560B (en) * | 2016-11-30 | 2019-05-28 | 武汉工程大学 | The portable coffee extracted equipment of booster-type |
| TWI733983B (en) * | 2017-02-20 | 2021-07-21 | 德商Ｗｍｆ集團有限公司 | Filter capsule for secondary filtration of coffee and use hereof |
| US11617468B2 (en) | 2017-02-20 | 2023-04-04 | Wmf Gmbh | Filter capsule for secondary filtration of coffee and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011097866A1 (en) | 2011-08-18 |
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Application publication date: 20101020 |