WO2010007592A1 - Moka pot-type coffee maker with an adjustable doser - Google Patents
Moka pot-type coffee maker with an adjustable doser Download PDFInfo
- Publication number
- WO2010007592A1 WO2010007592A1 PCT/IB2009/053109 IB2009053109W WO2010007592A1 WO 2010007592 A1 WO2010007592 A1 WO 2010007592A1 IB 2009053109 W IB2009053109 W IB 2009053109W WO 2010007592 A1 WO2010007592 A1 WO 2010007592A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- boiler
- maker
- coffee
- wall
- chamber
- Prior art date
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Classifications
-
- 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
Definitions
- the present invention finds application in the field of devices for preparing hot brewing beverages, and relates to a moka pot-type coffee-maker with an adjustable doser for home preparation of infusions and hot beverages such as coffee, cappuccino and the like.
- Home coffee-makers for preparing coffee, infusions and hot beverages in general, particularly those traditionally known as "moka" pots, are known to comprise a lower boiler in which brewing water is poured and an upper container for receiving the hot infusion.
- These coffee-makers further comprise a funnel doser having an upper perforated basket that defines a chamber for collecting and dosing the substance to be brewed, generally in powder or grain form, and a lower funnel conduit providing a passage for water and consequent extraction of the solid substance.
- the doser is designed to be removable inserted into the boiler with the upper edge of the collection chamber flush with the upper edge of the boiler, whereas the upper container is designed to be screwed onto the boiler-doser assembly.
- the amount of solid substance to be introduced into the collection and dosing chamber may change as desired by the user, with a stronger taste being obtained by introducing a volume of solid substance larger than the chamber volume. In this case, with a common doser, part of the solid substance is likely to be poured out of the collection chamber, and be thus wasted.
- common dosers have a fixed-volume collection and dosing chamber, selected according to the boiler volume, i.e. to the volume of water that can be introduced therein.
- any excess of solid substance introduced into the doser would cause an excess of pressure thereon upon screwing of the container, with the risk of brewing water being prevented from moving from the boiler to the upper container.
- the solid substance will not be adequately and uniformly pressed under these conditions, and no optimal extraction will occur, with the resulting beverage being of poor quality.
- the object of this invention is to overcome the above drawbacks, by providing a moka pot-type coffee-maker with an adjustable doser that achieves high efficiency and relative cost effectiveness.
- a particular object is to provide a coffee-maker that allows the doser to be easily filled with the solid substance to be brewed, while preventing it from being poured out of the doser.
- a further object is to provide a coffee-maker with an adjustable-volume doser to allow introduction of adjustable amounts of solid substance, to change the concentration of the brewed substance in the beverage collected in the container, as desired by the user.
- a moka pot-type coffee-maker with an adjustable doser as defined in claim 1 , comprises a lower boiler for containing brewing water, an upper container removably coupled to said boiler for receiving the brewed beverage, said container having a lower filtering wall, a doser insertable into said boiler and having a chamber for collecting the substance to be brewed, which is joined at its bottom to a funnel conduit providing a passage for the brewing water, said collection chamber having a substantially cylindrical side wall with an open top and a bottom wall having a plurality of holes.
- the coffee-maker is characterized in that the substantially cylindrical side wall is capable of axially sliding relative to said bottom wall between an upper position higher than the edge of said boiler, and a lower depressed position, substantially flush with the edge of said boiler and abutting against the lower filtering wall of said container.
- axially sliding is intended to mean that the side wall slides in a direction substantially parallel to the central axis of the cylinder defined thereby.
- the doser will define a retaining wall for the solid substance, thereby allowing the chamber to be easily filled by the user and avoiding the risk of come out the solid substance to be brewed.
- the coffee-maker may have means for adjusting the minimum internal volume value of the collection chamber, for controlling the amount of solid substance to be introduced therein.
- FIG. 1 is a broken away side view of a coffee-maker of the invention during assembly
- FIG. 2 is a broken away side view of the coffee-maker of Fig. 1 , when assembled and ready for use;
- FIG. 3 is a side view of a first detail of a doser that is part of a coffee- maker of the invention
- FIG. 4 is a top view of the detail of Fig. 3;
- FIG. 5 is a top view of a detail of Fig. 3 with certain elements being omitted;
- FIG. 6 is an exploded front view of a second detail of the doser of Fig. 3;
- FIG. 7 is a bottom view of an element of the detail of Fig. 6.
- the coffee-maker of the invention may be a moka pot-type coffee-maker or the like and may be used for preparing beverages or infusions such as coffee, cappuccino or the like.
- a coffee-maker of the invention comprises a lower boiler 2 for containing brewing water and an upper container 3 removably coupled to the boiler 2 and designed to receive the brewed beverage.
- the container 3 has a lower filtering wall 4 and may contain, as is known in the art, a conduit 5 providing passage for the water containing the brewed substance, possibly associated with valve means, not shown, for adjusting beverage delivery pressure.
- the coffee-maker 1 further has a doser 6 removably insertable into said boiler 2 and having a chamber 7 for collecting and dosing the substance to be brewed, as schematically outlined by broken lines in Fig. 2, which is joined at its lower end to a funnel conduit 8 providing a passage for the brewing water.
- the collection and dosing chamber 7 is delimited by a substantially cylindrical side wall 9 having an open top and a bottom wall 10 with a plurality of holes or microholes, generally designated by numeral 11 , which are formed with the typical arrangement of coffee-maker dosers.
- the substantially cylindrical side wall 9 of the doser is capable of axially sliding with respect to the bottom wall 10 between an upper position A, higher than the edge 12 of the boiler 2, as shown in Fig. 1 , and a depressed lower position B, substantially flush with the edge 12 of the boiler 2, as shown in Fig. 2.
- the side wall 9 is designed to abut against the lower filtering wall 4 of the container 3 mounted to the boiler 2.
- the side wall 9 of the doser 6 will partially project out of the boiler 2 to define a collection chamber 7 whose internal volume has a starting maximum value higher than the final minimum value corresponding to the condition in which the container 3 is screwed onto the boiler 2 and side wall 9 of the chamber 7 in the lower depressed position B.
- the user may easily fill the collection and dosing chamber 7 with an amount of solid substance defining a volume that can be higher than the final volume of the chamber 7, while avoiding the risk of come out the solid substance to be brewed.
- elastic return means 13 may be provided, operating on the cylindrical side wall 9 of the doser 6 to force it into the upper position A.
- the elastic means 13 may include a spring 14, such as a helical spring, which operates in the axial direction and has its upper end 15 associated with the side wall 9 of the doser 6 and its lower end 16 operating on the bottom 17 of the boiler 2.
- a spring 14 such as a helical spring, which operates in the axial direction and has its upper end 15 associated with the side wall 9 of the doser 6 and its lower end 16 operating on the bottom 17 of the boiler 2.
- the side wall 9 may have an abutment ring 19 at its bottom edge 18, as more clearly shown in Fig. 5, which is integral with the wall 9 and will be acted upon by the upper end 15 of the spring 14.
- spiral spring 14 may be replaced by any other known elastic element, such as a leaf spring or the like, without limitation to the present invention.
- the coffee-maker 1 may have means 20 for adjusting the minimum internal volume value of the collection chamber 7, for controlling the amount of solid substance to be introduced therein.
- the adjustment means 20 may include an intermediate tubular element 21 integral with the bottom wall 10 of the doser 6 and projecting downwards therefrom at the periphery of the funnel conduit 8.
- the tubular element 21 may be coupled to a base member 22 which is designed to rest on the bottom 17 of the boiler 2 and can have its height adjusted relative to the bottom 22, to change the minimum value of the collection and dosing chamber 7.
- the bottom 22 may have a substantially cylindrical shape, with an open top and possibly a closed bottom, i.e. a bottom wall 23 designed to act as an abutment for the lower end 16 of the spring 14.
- the intermediate tubular element 21 may have one or more substantially axial slots, one of which is only visible in Fig. 6 and designated by numeral 24, for providing a passage for brewing water towards the funnel conduit 8.
- the abutment spring 19 may have an exterior diameter ⁇ e smaller than the interior diameter ⁇ , of the side wall 9, to define an annular passage 25 for the tubular element 21.
- the abutment ring 19 may be fixed to the side wall 9 by means of one or more substantially radial extensions 26, 26' freely running through respective slots 24 of the intermediate tubular member 21.
- the latter may have internal threads near its lower edge 27, designed for engagement with external threads 29 formed on the side wall 30 of the base member 22 for adjustable height coupling.
- the lower wall 23 of the base member 22 may have one or more holes, generally designated by numeral 31 , having any size and arrangement, to facilitate the passage of brewing water to the funnel conduit 8.
- the lower wall 23 of the base member 22 may have an axial projection 32 which extends downwards, preferably at the center, to abut against the bottom 17 of the boiler 2 and to maintain the lower wall 23 of the base member 22 raised with respect to the latter.
- the brewing water may still reach the funnel conduit 8, even when the slots 24 of the intermediate tubular element 21 are obstructed by the side wall 30 of the base member 22, with the tubular element 21 fully screwed thereon.
- one or more notches may be formed on the outer surface 33 of the intermediate tubular element 21 , at its axial slots 24, which define a graded scale adapted to provide final indications concerning the internal volume of the collection chamber 7.
- the user may select the amount of solid material to be introduced into the doser to obtain a beverage with a higher or lower concentration of brewed substance, while always obtaining proper and uniform pressing of the substance, without affecting the quality of the beverage being delivered.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Tea And Coffee (AREA)
- Apparatus For Making Beverages (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITVI2008A000172 | 2008-07-18 | ||
ITVI2008A000172A IT1390735B1 (it) | 2008-07-18 | 2008-07-18 | Caffettiera del tipo moka con dosatore regolabile. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010007592A1 true WO2010007592A1 (en) | 2010-01-21 |
Family
ID=40666849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2009/053109 WO2010007592A1 (en) | 2008-07-18 | 2009-07-17 | Moka pot-type coffee maker with an adjustable doser |
Country Status (2)
Country | Link |
---|---|
IT (1) | IT1390735B1 (de) |
WO (1) | WO2010007592A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPG20130025A1 (it) * | 2013-06-17 | 2014-12-18 | Emanuele Andreozzi | Macchina per caffe' espresso |
ITUB20153034A1 (it) * | 2015-08-10 | 2017-02-10 | Massimo Giacchino | Caffettiera tipo moka perfezionata |
ITUB20153764A1 (it) * | 2015-09-21 | 2017-03-21 | Giorgio Lino De | Caffettiera perfezionata e metodo per l'ottenimento di bevanda caffe |
IT201600132378A1 (it) * | 2016-12-29 | 2018-06-29 | Alessandro Volpe | Macchina per caffè per uso domestico |
IT201700121191A1 (it) * | 2017-10-25 | 2019-04-25 | Link Service Snc Di Nicolò Damico & C | Dispositivo per agevolare il riempimento del filtro di una macchina da caffe’ |
DE102021003708A1 (de) | 2021-07-15 | 2023-01-19 | Jochen Wessner | Heizeinrichtung zur Erhitzung einer Flüssigkeit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1187203A (fr) * | 1956-11-30 | 1959-09-08 | Appareil à préparer des infusions, notamment de café | |
CN2772397Y (zh) * | 2005-01-25 | 2006-04-19 | 林惠东 | 具有弹性的咖啡壶漏斗 |
WO2006046260A1 (en) * | 2004-10-28 | 2006-05-04 | Bialetti Industrie S.P.A. | Equipment for the production of a hot beverage |
WO2007049307A1 (en) * | 2005-10-25 | 2007-05-03 | Bialetti Industrie S.P.A. | Container for a powdered or ground ingredient suitable for being housed in a device for producing a hot beverage |
WO2007079616A1 (en) * | 2006-01-13 | 2007-07-19 | Zhicheng Shao | A kettle for boiling beverage |
-
2008
- 2008-07-18 IT ITVI2008A000172A patent/IT1390735B1/it active
-
2009
- 2009-07-17 WO PCT/IB2009/053109 patent/WO2010007592A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1187203A (fr) * | 1956-11-30 | 1959-09-08 | Appareil à préparer des infusions, notamment de café | |
WO2006046260A1 (en) * | 2004-10-28 | 2006-05-04 | Bialetti Industrie S.P.A. | Equipment for the production of a hot beverage |
CN2772397Y (zh) * | 2005-01-25 | 2006-04-19 | 林惠东 | 具有弹性的咖啡壶漏斗 |
WO2007049307A1 (en) * | 2005-10-25 | 2007-05-03 | Bialetti Industrie S.P.A. | Container for a powdered or ground ingredient suitable for being housed in a device for producing a hot beverage |
WO2007079616A1 (en) * | 2006-01-13 | 2007-07-19 | Zhicheng Shao | A kettle for boiling beverage |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPG20130025A1 (it) * | 2013-06-17 | 2014-12-18 | Emanuele Andreozzi | Macchina per caffe' espresso |
ITUB20153034A1 (it) * | 2015-08-10 | 2017-02-10 | Massimo Giacchino | Caffettiera tipo moka perfezionata |
EP3130262A1 (de) * | 2015-08-10 | 2017-02-15 | Massimo Giacchino | Verbesserte moka kaffeekanne |
ITUB20153764A1 (it) * | 2015-09-21 | 2017-03-21 | Giorgio Lino De | Caffettiera perfezionata e metodo per l'ottenimento di bevanda caffe |
WO2017051329A1 (en) * | 2015-09-21 | 2017-03-30 | De Giorgio Lino | Perfected coffee pot and method to obtain a coffee drink |
IT201600132378A1 (it) * | 2016-12-29 | 2018-06-29 | Alessandro Volpe | Macchina per caffè per uso domestico |
IT201700121191A1 (it) * | 2017-10-25 | 2019-04-25 | Link Service Snc Di Nicolò Damico & C | Dispositivo per agevolare il riempimento del filtro di una macchina da caffe’ |
DE102021003708A1 (de) | 2021-07-15 | 2023-01-19 | Jochen Wessner | Heizeinrichtung zur Erhitzung einer Flüssigkeit |
Also Published As
Publication number | Publication date |
---|---|
ITVI20080172A1 (it) | 2010-01-19 |
IT1390735B1 (it) | 2011-09-15 |
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