WO2011097866A1 - 一种压力咖啡机的过滤装置 - Google Patents

一种压力咖啡机的过滤装置 Download PDF

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Publication number
WO2011097866A1
WO2011097866A1 PCT/CN2010/074962 CN2010074962W WO2011097866A1 WO 2011097866 A1 WO2011097866 A1 WO 2011097866A1 CN 2010074962 W CN2010074962 W CN 2010074962W WO 2011097866 A1 WO2011097866 A1 WO 2011097866A1
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filter
upper cover
lower cover
hole
cover
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PCT/CN2010/074962
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English (en)
French (fr)
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郭建刚
林锦如
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广东新宝电器股份有限公司
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Publication of WO2011097866A1 publication Critical patent/WO2011097866A1/zh

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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
    • 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

Definitions

  • the invention relates to a filtering device for a pressure coffee machine, which belongs to the transformation technology of a filtering device of a pressure coffee machine.
  • the double-layer filter of the existing filter coffee is composed of a filter cup and a filter inner layer, and the inner layer of the filter is tightly arranged inside the filter cup, and the coffee passes through the filter to hit a foam on the coffee stopper to generate foam.
  • This conventional filter device produces less foam and is less delicate.
  • Cigar patent number ZL 200620008271.2 discloses a coffee machine small hole foaming device, including a foaming nozzle, a coffee channel, and O Sealing ring, filter, filter cup, filter cup cavity, coffee outlet, sandwich, via, coffee diverter, coffee baffle, characterized in that the foaming nozzle is located at the bottom of the filter cup, and the filter is screwed The sealing ring is pressed against the bottom surface of the filter cup, and various coffee cakes or coffee powder are placed in the inner cavity of the filter cup, and a brewing cavity is formed, and the coffee liquid in the inner cavity of the filter cup is passed through the filter in the interlayer, and the pressure in the interlayer is pressurized.
  • the coffee liquid produces a sprayed coffee liquid through the through hole of the foaming nozzle, a coffee baffle is arranged at the coffee outlet, a coffee shunt is arranged under the coffee baffle, and the coffee shunt has a diverting hole.
  • a via hole is left under the foaming nozzle, a via is connected to a coffee channel, a side of the coffee channel leads to the coffee outlet, and a baffle is provided on the side wall below the coffee filter cup, the coffee outlet facing the baffle.
  • the edge of the coffee splitter is upturned with a split hole at the lower part of the coffee.
  • the object of the present invention is to provide a filtering device for a pressure coffee machine which is simple and reasonable in structure, convenient in operation, free from tool detachable cleaning, and brewed with a rich and delicate coffee foam.
  • the invention has reasonable design, convenience and practicality.
  • the filtering device comprises a filter upper cover and a filter lower cover, and the filter upper cover is fixedly connected with the filter lower cover; the filter upper cover is provided with a central restricting hole, The lower cover of the filter is provided with a central hole of the lower cover, and a gas-liquid mixing chamber is formed between the lower cover of the filter and the upper cover of the filter.
  • a coffee filter is fixed in the central hole and/or the central restrictor of the lower cover.
  • the geometric center of the central restrictor hole corresponds to the geometric center of the central hole of the lower cover, and the outer layer of the upper cover of the filter is further provided with an outer layer of the filter, and the upper cover of the filter is disposed in the outer layer of the filter, and the upper cover of the filter.
  • the through hole provided at the bottom of the bottom of the filter is fixedly connected with the filter lower cover, and the top of the filter upper cover is provided with a filter.
  • the through hole of the bottom of the filter upper cover penetrating through the bottom of the filter outer layer is screwed and fixed to the filter lower cover provided by the filter lower cover through the filter upper cover thread disposed thereon.
  • the central hole of the lower cover provided by the filter lower cover is provided with a step for supporting the coffee filter net, the side of the step is provided with an air inlet hole, and a gas-liquid mixing chamber is formed between the step and the upper cover of the filter.
  • the coffee filter mesh is fixed in the central hole of the lower cover by a filter fixing ring; the coffee filter is provided with one to six layers.
  • the filter lower cover has a dish shape, and the outer bottom cover is inclined at a center hole, and the air inlet hole is higher than the upper surface of the coffee filter net; the upper cover of the filter has a dish shape, and the outer periphery is inclined toward the center restrictor hole.
  • the filter piece is fixed on the outer layer of the filter through the filter sealing ring, the filter ring is annular, the inner wall is provided with an annular groove, and the edge of the filter and the upper cover of the filter are tightly connected in the annular groove, and the filter is filtered.
  • the outer side and the bottom surface of the sheet sealing ring are respectively sealedly connected to the inner wall and the inner flange of the outer layer of the filter.
  • the filter upper cover is provided with an inner flange, and the filter piece is fixed on the inner flange provided by the filter upper cover; the upper surface of the filter upper cover is further provided with a support rib, and the filter sheet is received by the filter cover.
  • the edges and support ribs are provided with an inner flange, and the filter piece is fixed on the inner flange provided by the filter upper cover; the upper surface of the filter upper cover is further provided with a support rib, and the filter sheet is received by the filter cover.
  • the upper surface of the upper cover of the filter is uniformly provided with a plurality of fine holes, the pore diameter of the pores is 0.3 to 1 mm, which is less than or equal to the diameter of the central orifice, and the top surface of the outer layer of the filter is provided with a connection with the high pressure funnel. Flanging.
  • the invention adopts a structure in which a filter upper cover is provided with a central restrictor hole and a filter lower cover is provided with a central hole of a lower cover, and after the coffee liquid is filtered through the filter, a restricted flow hole through the filter upper cover forms a rapid speed.
  • the water is ejected, struck on a multi-layer filter, and mixed with air to produce a large amount of fine foam.
  • the present invention provides an air supply passage to make the coffee liquid flow more smoothly.
  • the structure is simple and reasonable, detachable and clean, easy to operate, and the coffee foam is rich and delicate, and the taste is doubled.
  • the invention is a filtering device for a pressure coffee machine with ingenious design, excellent performance and convenient and practical use.
  • FIG. 1 is a schematic exploded view of an embodiment of the present invention.
  • Figure 2 is a schematic view of the assembled structure of the present invention.
  • Figure 3 is a schematic view of the working principle of the present invention.
  • the filter device 8 of the pressure coffee machine of the present invention comprises a filter upper cover 3, a coffee filter net 6 and a filter lower cover 7, and a filter.
  • the upper cover 3 is fixedly connected to the filter lower cover 7; the filter upper cover 3 is provided with a central restricting hole 31,
  • the filter lower cover 7 is provided with a lower cover central hole 74.
  • the geometric center of the central restriction hole 31 corresponds to the geometric center of the lower cover central hole 74, and a gas-liquid mixture is formed between the filter lower cover 7 and the filter upper cover 3.
  • the cavity 73, the coffee filter 6 is disposed in the lower cover central hole 74 and/or the central restriction hole 31 and fixed, and the filter cover 2 is disposed at the top of the filter upper cover 3.
  • the coffee filter 6 is disposed in the lower cover center hole 74 and fixed.
  • the outer side of the filter upper cover 3 is further provided with a filter outer layer 4, the filter upper cover 3 is disposed in the outer layer 4 of the filter, and the bottom of the filter upper cover 3 passes through the bottom of the outer layer 4 of the filter.
  • the through hole is fixedly connected to the filter lower cover 7.
  • the lower cover center hole 74 of the filter lower cover 7 is provided with a step for supporting the coffee filter net 6.
  • the side surface of the step is provided with an air inlet hole 71, and a gas-liquid is formed between the step and the filter upper cover 3.
  • the mixing chamber 73 is provided.
  • the bottom of the filter upper cover 3 passes through the through hole provided in the bottom of the outer layer 4 of the filter through the filter upper cover thread 32 and the filter lower cover thread 72 provided on the filter lower cover 7. Fixed connection.
  • the coffee filter 6 is fixed in the central hole 74 of the lower cover by the filter fixing ring 5.
  • the above coffee filter 6 is provided with one to six layers.
  • the coffee filter net 6 is provided with three layers.
  • the filter lower cover 7 has a dish shape, and the outer bottom cover is inclined at a center hole 74.
  • the air inlet hole 71 is higher than the upper surface of the coffee filter net 6.
  • the filter upper cover 3 has a dish shape and a peripheral center.
  • the restriction orifice 31 is inclined.
  • the filter sheet 2 is fixed on the outer layer 4 of the filter through the filter sealing ring 1, the filter sealing ring 1 is annular, the inner wall is provided with an annular groove 11, the filter sheet 2 and the filter upper cover 4 The edge is press-fitted into the annular groove 11, and the outer side and the bottom surface of the filter seal 1 are sealingly connected to the inner wall and the inner flange of the outer layer 4 of the filter, respectively.
  • the filter upper cover 3 is provided with an inner flange 11 and the filter sheet 2 is fixed to the inner flange 11 provided by the filter upper cover 3. Further, the upper surface of the filter upper cover 3 is further provided with a support rib 33, and the filter sheet 2 is received on the edge of the filter upper cover 3 and the support rib 33.
  • the upper surface of the filter upper cover 3 is uniformly provided with a plurality of fine holes, and the pore diameter is 0.3 to 1 mm, which is smaller than or equal to the diameter of the center restriction hole 31.
  • the top surface of the filter outer layer 4 is provided with an outer flange 41 connected to the high pressure funnel 10.
  • the working principle of the present invention is as follows: Referring to Fig. 3, when brewing coffee, the filtering device 8 is placed in the high pressure funnel 10, then an appropriate amount of coffee powder 14 is placed in the filtering device 8, and the high pressure funnel 10 is placed in the heating crucible 9. .
  • the high-pressure hot water comes out of the heat generating crucible 9, it flows to the coffee powder 14 in the filtering device 8, and the useful components in the coffee powder are quenched, and then flows through the filter 2, and the filter 2 allows only the liquid to flow. Solid ingredients such as coffee powder remain on the filter.
  • the coffee passes through the restriction hole 31 under pressure and generates a high-speed trickle, and the high-speed trickle strikes the gas-liquid mixing chamber 73 below the filter upper cover 3 and is discharged through the multi-layer coffee filter 6, the coffee filter 6 It has the effect of allowing small foam to pass through and making the larger foam smaller, and produces a large amount of fine foam.
  • the coffee produces a rich and delicate foam which uniformly flows into the coffee cup 13 through the shunting action of the coffee flap 12.
  • the filter upper cover 3 and the filter lower cover 7 are screwed together, and the tool is detachably cleaned.
  • the coffee filter mesh is disposed in the central hole of the lower cover and has a fixing ring fixed and is clean and difficult to be detached.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)

Description

一种压力咖啡机的过滤装置 技术领域
本发明是一种压力咖啡机的过滤装置，属于压力咖啡机的过滤装置的改造技术。
背景技术
现有过滤咖啡的双层滤网由滤网杯和滤网内层构成，滤网内层紧配在滤网杯的里面，咖啡经过滤网后打击在咖啡挡片上产生泡沫。这种传统的过滤装置产生的泡沫稀少、不够细腻。中国专利号ZL 200620008271.2中公开了一种咖啡机小孔发泡装置，包括发泡嘴，咖啡通道，O 形密封圈，过滤片，过滤杯，过滤杯内腔，咖啡出口，夹层，过孔，咖啡分流器，咖啡挡板，其特征在于：发泡嘴位于过滤杯的底部，过滤片由螺钉联结将密封圈压紧在过滤杯的底面，在过滤杯内腔中放置有各种咖啡饼或咖啡粉，并形成酿造腔，在夹层中通过过滤片过滤杯内腔的咖啡液，夹层中的带压力的咖啡液通过发泡嘴的过孔产生喷射状的咖啡液，咖啡出口处设置有咖啡挡板，咖啡挡板下方设有咖啡分流器，咖啡分流器带有分流孔。发泡嘴下方留有过孔，过孔连接一咖啡通道，咖啡通道一侧通向咖啡出口，在咖啡过滤杯下方的侧壁上设有挡板，所述咖啡出口朝向挡板。咖啡分流器边沿上翘，其中部低点设有分流孔。该结构的咖啡机冲泡出的咖啡是通过急速打击咖啡挡板来产生泡沫的，其泡沫仍然稀少、不够细腻、口感差，清洗不方便。
技术问题
本发明的目的在于考虑上述问题而提供一种结构简单合理、操作方便，免工具可拆卸清洗，冲泡出的咖啡泡沫丰富细腻的压力咖啡机的过滤装置。本发明设计合理，方便实用。
 技术解决方案
本发明的压力咖啡机的过滤装置，过滤装置包括有过滤器上盖及过滤器下盖，过滤器上盖与过滤器下盖固定连接；过滤器上盖设置有中心限流孔, 过滤器下盖设置有下盖中心孔，过滤器下盖与过滤器上盖之间形成有气液混合腔。
上述下盖中心孔和/或中心限流孔内固定有咖啡过滤网。
上述中心限流孔的几何中心与下盖中心孔的几何中心对应，过滤器上盖的外侧还设置有滤网外层，过滤器上盖设置在滤网外层内，且过滤器上盖的底部穿过滤网外层底部所设的通孔与过滤器下盖固定连接，过滤器上盖的顶部设置有过滤片。
上述过滤器上盖的底部穿过滤网外层底部所设的通孔通过其上设置的过滤器上盖螺纹与过滤器下盖所设的过滤器下盖螺纹固定连接。
上述过滤器下盖所设的下盖中心孔设置有承托咖啡过滤网的台阶，台阶侧面设置有入气孔，台阶与过滤器上盖之间形成气液混合腔。
上述咖啡过滤网用滤网固定圈固定在下盖中心孔内；上述咖啡过滤网设置有一至六层。
上述过滤器下盖呈碟状，外围向下盖中心孔斜，入气孔高于咖啡过滤网的上表面；上述过滤器上盖呈碟状，外围向中心限流孔倾斜。
上述过滤片通过过滤片密封圈固定在滤网外层上，过滤片密封圈呈环状，内壁设置有环形凹槽，过滤片和过滤器上盖的边缘压紧连接在环形凹槽内，过滤片密封圈的外侧面和底面分别与过滤网外层的内壁和内翻边密封连接。
上述过滤器上盖设置有内翻边，过滤片固定在过滤器上盖设置的内翻边上；上述过滤器上盖的上表面还设置有支撑凸筋，过滤片承接在过滤器上盖的边缘和支撑凸筋上。
上述过滤器上盖的上表面均布设置有若干细孔，细孔孔径为0.3～1mm，小于或等于中心限流孔的孔径；上述过滤网外层的顶面设置有与高压漏斗连接的外翻边。
 有益效果
本发明由于采用过滤器上盖设置有中心限流孔及过滤器下盖设置有下盖中心孔的结构,咖啡液经过过滤片过滤后，通过过滤器上盖的限流小孔形成一股急速水流射出，击打在多层过滤网上，通过与空气混合，产生大量细腻的泡沫。本发明设置了空气补给通道使咖啡液体流动更加顺畅。其结构简单合理，可拆卸清洗，操作方便，冲出咖啡泡沫丰富细腻，口感倍增。本发明是一种设计巧妙，性能优良，方便实用的压力咖啡机的过滤装置。
 附图说明
图1为本发明实施例的结构分解示意图。
图2为本发明新型的装配结构示意图。
图3为本发明的工作原理示意图。
 本发明的最佳实施方式
实施例：
本发明的结构示意图如图1、2、3所示，本发明的压力咖啡机的过滤装置8，过滤装置8包括有过滤器上盖3、咖啡过滤网6及过滤器下盖7，过滤器上盖3与过滤器下盖7固定连接；过滤器上盖3设置有中心限流孔31, 过滤器下盖7设置有下盖中心孔74，中心限流孔31的几何中心与下盖中心孔74的几何中心对应，过滤器下盖7与过滤器上盖3之间形成有气液混合腔73，咖啡过滤网6设置在下盖中心孔74和/或中心限流孔31内并固定，过滤器上盖3的顶部设置有过滤片2。本实施例中，咖啡过滤网6设置在下盖中心孔74内并固定。
为便于安装，上述过滤器上盖3的外侧还设置有滤网外层4，过滤器上盖3设置在滤网外层4内，且过滤器上盖3的底部穿过滤网外层4底部所设的通孔与过滤器下盖7固定连接。
本实施例中，上述过滤器下盖7所设的下盖中心孔74设置有承托咖啡过滤网6的台阶，台阶侧面设置有入气孔71，台阶与过滤器上盖3之间形成气液混合腔73。
为便于安装，上述过滤器上盖3的底部穿过滤网外层4底部所设的通孔通过其上设置的过滤器上盖螺纹32与过滤器下盖7所设的过滤器下盖螺纹72固定连接。
为便于安装及确保密封性，上述咖啡过滤网6用滤网固定圈5固定在下盖中心孔74内。
上述咖啡过滤网6设置有一至六层。本实施例中，上述咖啡过滤网6设置有三层。
本实施例中，上述过滤器下盖7呈碟状，外围向下盖中心孔74倾斜，入气孔71高于咖啡过滤网6的上表面；上述过滤器上盖3呈碟状，外围向中心限流孔31倾斜。
为确保密封性，上述过滤片2通过过滤片密封圈1固定在滤网外层4上，过滤片密封圈1呈环状，内壁设置有环形凹槽11，过滤片2和过滤器上盖4的边缘压紧连接在环形凹槽11内，过滤片密封圈1的外侧面和底面分别与过滤网外层4的内壁和内翻边密封连接。
为便于安装，上述过滤器上盖3设置有内翻边11，过滤片2固定在过滤器上盖3设置的内翻边11上。此外，上述过滤器上盖3的上表面还设置有支撑凸筋33，过滤片2承接在过滤器上盖3的边缘和支撑凸筋33上。
上述过滤器上盖3的上表面均布设置有若干细孔，细孔孔径为0.3～1mm，小于或等于中心限流孔31的孔径。
本实施例中，上述过滤网外层4的顶面设置有与高压漏斗10连接的外翻边41。
本发明的工作原理如下：参见图3，煮咖啡时，将过滤装置8放在高压漏斗10内，然后在过滤装置8内放适量的咖啡粉14，并将高压漏斗10装入发热煲9内。当高压的热水从发热煲9出来后流到过滤装置8内的咖啡粉14，并将咖啡粉中的有用成分淬取出来，然后流经过滤片2，过滤片2只允许液体流过，咖啡粉等固体成份仍停留在过滤片上面。咖啡在压力作用下通过限流孔31，并产生一束高速的细流，高速细流打击到过滤器上盖3下方气液混合腔73并经过多层咖啡过滤网6排出，咖啡过滤网6具有允许小的泡沫通过和使较大的泡沫变小的作用，并产生大量细腻的泡沫。通过上述过程后咖啡产生了丰富而细腻的泡沫，并通过咖啡挡片12的分流作用后均匀地流入咖啡杯13中。过滤器上盖3和过滤器下盖7通过螺纹连接,免工具可拆卸清洗，咖啡过滤网设置在下盖中心孔内并有固定圈固定牢固清洗不易脱离。
 本发明的实施方式

Claims (10)

  1. 一种压力咖啡机的过滤装置，其特征在于过滤装置（8）包括有过滤器上盖（3）及过滤器下盖（7），过滤器上盖（3）与过滤器下盖（7）固定连接；过滤器上盖（3）设置有中心限流孔(31), 过滤器下盖（7）设置有下盖中心孔（74），过滤器下盖（7）与过滤器上盖（3）之间形成有气液混合腔（73），上述下盖中心孔（74）和/或中心限流孔(31)内固定有咖啡过滤网（6）。
  2. 根据权利要求1所述的压力咖啡机的过滤装置，其特征在于上述中心限流孔(31)的几何中心与下盖中心孔（74）的几何中心对应，过滤器上盖（3）的外侧还设置有滤网外层(4)，过滤器上盖（3）设置在滤网外层(4)内，且过滤器上盖（3）的底部穿过滤网外层(4)底部所设的通孔与过滤器下盖（7）固定连接。
  3. 根据权利要求2所述的压力咖啡机的过滤装置，其特征在于上述过滤器上盖（3）的顶部还设置有过滤片（2）。
  4. 根据权利要求3所述的压力咖啡机的过滤装置，其特征在于上述过滤器上盖（3）的底部穿过滤网外层(4)底部所设的通孔通过其上设置的过滤器上盖螺纹（32）与过滤器下盖（7）所设的过滤器下盖螺纹（72）固定连接。
  5. 根据权利要求4所述的压力咖啡机的过滤装置，其特征在于上述过滤器下盖（7）所设的下盖中心孔（74）设置有承托咖啡过滤网（6）的台阶，台阶侧面设置有入气孔（71），台阶与过滤器上盖（3）之间形成气液混合腔（73）。
  6. 根据权利要求5所述的压力咖啡机的过滤装置，其特征在于上述咖啡过滤网（6）用滤网固定圈（5）固定在下盖中心孔（74）内；上述咖啡过滤网（6）设置有一至六层。
  7. 根据权利要求6所述的压力咖啡机的过滤装置，其特征在于上述过滤器下盖（7）呈碟状，外围向下盖中心孔（74）倾斜，入气孔（71）高于咖啡过滤网（6）的上表面；上述过滤器上盖（3）呈碟状，外围向中心限流孔(31)倾斜。
  8. 根据权利要求3至7任一项所述的压力咖啡机的过滤装置，其特征在于上述过滤片（2）通过过滤片密封圈（1）固定在滤网外层(4)上，过滤片密封圈（1）呈环状，内壁设置有环形凹槽（11），过滤片（2）和过滤器上盖（4）的边缘压紧连接在环形凹槽（11）内，过滤片密封圈（1）的外侧面和底面分别与过滤网外层(4)的内壁和内翻边密封连接。
  9. 根据权利要求8所述的压力咖啡机的过滤装置，其特征在于上述过滤器上盖（3）设置有内翻边（11），过滤片（2）固定在过滤器上盖（3）设置的内翻边（11）上；上述过滤器上盖（3）的上表面还设置有支撑凸筋（33），过滤片（2）承接在过滤器上盖（3）的边缘和支撑凸筋（33）上。
  10. 根据权利要求9所述的压力咖啡机的过滤装置，其特征在于上述过滤器上盖（3）的上表面均布设置有若干细孔，细孔孔径为0.3～1mm，小于或等于中心限流孔(31)的孔径；上述过滤网外层(4)的顶面设置有与高压漏斗（10）连接的外翻边（41）。
PCT/CN2010/074962 2010-02-11 2010-07-03 一种压力咖啡机的过滤装置 WO2011097866A1 (zh)

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AU2015264948A1 (en) * 2015-01-28 2016-08-11 Lion Beer Spirits & Wine Pty Ltd Beverage flavouring system
ITUA20161783A1 (it) * 2016-03-17 2017-09-17 De Longhi Appliances Srl Filtro smontabile a doppia parete per macchina da caffè con elemento serrante
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CN111345696A (zh) * 2020-03-19 2020-06-30 佛山市顺德区美的饮水机制造有限公司 水桶吸水罩壳、水桶吸水罩壳组件和饮水机
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