WO2010052966A1 - 泡立て用ノズル - Google Patents
泡立て用ノズル Download PDFInfo
- Publication number
- WO2010052966A1 WO2010052966A1 PCT/JP2009/064936 JP2009064936W WO2010052966A1 WO 2010052966 A1 WO2010052966 A1 WO 2010052966A1 JP 2009064936 W JP2009064936 W JP 2009064936W WO 2010052966 A1 WO2010052966 A1 WO 2010052966A1
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- WIPO (PCT)
- Prior art keywords
- ejection
- ejection holes
- pressure gas
- foaming
- nozzle
- Prior art date
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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
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4489—Steam nozzles, e.g. for introducing into a milk container to heat and foam milk
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/16—Cream whipping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/76—Steam
Definitions
- the present invention relates to a foaming nozzle that injects a gas having a pressure higher than atmospheric pressure into a liquid, and more particularly, to an improvement in an ejection hole provided at the tip of the nozzle.
- a foaming nozzle that injects the high-pressure gas as described above from above the liquid is known.
- a milk steaming nozzle provided in an espresso machine as shown in Patent Document 1 can be cited.
- an espresso machine packs deeply roasted finely ground coffee beans in a cup-shaped metal filter, applies a pressure higher than 1 atm (atmospheric pressure) (usually about 9 atm), about 90-100 About 1 ounce (30 ml) of coffee is pressurized with hot water at 20 ° C. for an extraction time of 20 to 30 seconds, and forced extraction is performed.
- a steaming nozzle that ejects high-pressure high-temperature steam generated in the tank is disposed behind (or on the left and right of) the above-described opening / closing valve of the coffee extraction unit.
- FIG. 1 is a side view showing a conventional foaming nozzle.
- a foaming nozzle (steaming nozzle) 100 is connected to a high-pressure steam generator (not shown) on the base end side (upper side in FIG. 1), and high-temperature and high-pressure steam generated by the high-pressure steam generator is It is sent to the tip through a flow passage 101 formed in the nozzle 100.
- a tip body 102 is attached to the tip of the nozzle 100 by screwing or the like.
- FIG. 2 is a bottom view showing the tip body of the conventional foaming nozzle.
- a plurality (four in this case) of ejection holes 103 having the same diameter are arranged on a concentric circle at equal intervals. Due to the structure of the tip body 102 having such a plurality of ejection holes 103, the steam sent from the high-pressure steam generator through the flow passage 101 is ejected radially from the tip of the nozzle 100. . And the liquid (milk etc.) in the container arrange
- the milk whipped with such a steaming nozzle is used for, for example, cappuccino and cafe latte.
- a craftsman called a barista has been using a steaming nozzle to whisk milk while heating it (steaming).
- Foam art also called latte art or coffee art
- Foam art which has a pattern based on heart or rosetta while pouring on the surface of coffee, is gaining popularity.
- bubbles are generated by generating cavitation in the liquid (mainly milk) to be foamed.
- This cavitation can be effectively generated by causing gases having different velocities to interfere with each other in the liquid.
- FIG. 3 is an image showing a change in bubbles generated by injecting high-pressure high-temperature steam into milk in a container using the conventional foaming nozzle
- FIG. b) shows a state after 5 minutes
- (c) shows a state after 10 minutes.
- the foam of milk produced using the conventional frothing nozzle is a mixture of size bubbles and small bubbles.
- the size of the bubbles is different, there is a magnitude relationship between the attractive force and the surface tension. Therefore, with the passage of time, the small bubbles tend to interfere with the large bubbles and bind to one bubble.
- the present invention has been made in view of the above circumstances, and the object of the present invention is to enable an expert to eject high-pressure gas generated by a high-pressure gas generator or the like into a liquid to be bubbled. It is an object of the present invention to provide a foaming nozzle that can easily produce fine, durable, high-quality foam without any need.
- the above-mentioned object of the present invention is connected to a gas generator that generates a high-pressure gas higher than the atmospheric pressure, and is used for foaming by blowing out the high-pressure gas from a tip portion while stirring the liquid arranged in the ejection direction.
- a gas generator that generates a high-pressure gas higher than the atmospheric pressure
- foaming by blowing out the high-pressure gas from a tip portion while stirring the liquid arranged in the ejection direction.
- the nozzle at least two types of ejection holes for injecting the high-pressure gas are formed in the tip portion, and at least one type of the ejection holes out of the ejection holes is ejected from other ejection holes.
- the high-pressure gas is formed in a shape different from that of the other ejection holes so that the high-pressure gas is ejected at a speed different from the speed of the gas, and the liquid is ejected after the high-pressure gas ejected from the ejection holes is ejected. This is achieved by interfering with each other within.
- the above-mentioned object is effectively achieved by the fact that the ejection hole is formed in the bottom surface of the tip body that is detachably attached to the tip portion.
- the object is that the hole cross-section of the at least one ejection hole is a perfect circle, and the hole cross-section of the other ejection hole is an oval having a larger hole cross-sectional area than the perfect circle. Is effectively achieved.
- the above-mentioned object is effectively achieved by the at least one type of ejection hole and the other ejection hole being separate holes that are formed on the same plane of the tip portion. Is done.
- connection hole in which the at least one kind of ejection hole and the other ejection hole are integrally drilled on the same plane of the tip portion.
- the object is to form, on the side surface of the tip portion, a plurality of processed surfaces in which the at least one type of ejection holes and the other ejection holes are formed at predetermined intervals along the circumferential direction. And the injection direction of the ejection holes drilled in the machining surface is set so as not to interfere with the high-pressure gas ejected from the ejection holes drilled in the other machining surfaces. Is achieved.
- the above object is effectively achieved by setting the injection direction of the injection hole formed in the processed surface to be inclined by a predetermined angle in the circumferential direction with respect to each radial direction. Is done.
- the object is that the radiation direction is set to be inclined in a range of 30 ° to 60 ° with respect to the vertical direction, and the predetermined angle is in a range of 30 ° to 50 °. Effectively achieved.
- the above object is effectively achieved by forming the ejection holes formed in the processed surface at intervals of 120 ° along the circumferential direction of the tip portion.
- the object is a coffee extraction device in which the gas generator applies a pressure higher than atmospheric pressure to extract coffee and generates high-temperature steam as the high-pressure gas, and the liquid is generated by the high-temperature steam. It is effectively achieved by being milked while being heated.
- the object is effectively achieved by the fresh cream being foamed by the high-pressure gas.
- the foaming nozzle according to the present invention at least two types of ejection holes capable of ejecting high-pressure gas at different speeds can interfere with each other in the liquid to which each high-pressure gas ejected from the ejection hole is to be foamed. Therefore, cavitation can be effectively generated in the liquid. Thereby, even if it is not an expert, it can produce
- FIG. 4 is a schematic diagram showing a foaming nozzle according to an embodiment of the present invention.
- the base end side (upper side of FIG. 4) of the foaming nozzle 1 according to the present embodiment is connected to a high-pressure gas generator 2 that generates a gas having a pressure higher than atmospheric pressure.
- a flow path 3 for high-pressure gas delivered from the apparatus 2 is formed.
- the tip body 4 is detachably attached to the tip opening of the foaming nozzle 1 by screwing or the like, and ejection holes 5a and 5b communicating with the flow passage 3 are formed at the bottom of the tip body 4. Has been.
- the high-pressure gas generated by the high-pressure gas generator 2 is sent to the tip through the flow passage 3 formed in the foaming nozzle 1 and filled into the container 6 from the ejection holes 5a and 5b of the tip body 4.
- the liquid 7 is ejected toward the liquid 7.
- the ejection angles of the ejection holes 5a and 5b are set in substantially the same direction (downward).
- the container 6 filled with the liquid 7 preferably has a circular cross section.
- a screw-like flow is generated in the liquid 7 in the container 6 by the high-pressure gas ejected from the ejection holes 5a and 5b, and fine bubbles generated by the high-pressure gas are generated. While being transported to the bottom of the liquid 7, the bubbles are diffused to every corner. As a result, the bubbles can stay in the entire liquid 7.
- the high-pressure gas generator 2 and the liquid 7 to be foamed in the present invention are not particularly limited, but here, as a preferred embodiment of the present invention, the high-pressure gas generator 2 is a coffee extraction device (espresso). A machine) and the liquid 7 is milk used for cappuccino or cafe latte.
- the high-pressure gas generator 2 is a coffee extraction device (espresso). A machine
- the liquid 7 is milk used for cappuccino or cafe latte.
- the coffee extraction device 2 is provided with means for applying a pressure higher than atmospheric pressure (2 to 9 atmospheric pressure) to extract coffee and generating high-temperature steam at a pressure higher than atmospheric pressure. It is connected with the high temperature steam production
- foamed milk 7 filled in a container (milk pitcher) 6 is foamed to form foamed milk, a predetermined input operation is performed on the coffee brewing device 2, thereby ejecting holes from the foaming nozzle 1.
- High-pressure high-temperature steam is jetted from 5a and 5b, and the milk 7 in the container 6 is whisked while warming.
- FIG. 5 is a perspective view showing a tip body of the foaming nozzle according to the present embodiment
- FIG. 6 is a bottom view (a) and a cross-sectional view (b) showing the tip body.
- a cylindrical hollow portion 8 that communicates with the flow passage 3 when attached to the distal end portion of the foaming nozzle 1 is formed inside the tip body 4, and the proximal end of the cylindrical hollow portion 8 is formed.
- a parallel thread portion 9 is provided which is screwed into a thread groove formed at the tip of the foaming nozzle 1.
- the tip body 4 attached to the tip portion of the foaming nozzle 1 can be appropriately changed according to the foaming target or intended purpose. Can do. Thereby, for example, an increase in variations of the coffee menu can be easily achieved at low cost.
- two types of ejection holes 5a and 5b having different hole cross-sectional shapes are formed on the bottom (tip) 4a of the chip body 4 separately on the same plane.
- the ejection holes 5 a and 5 b communicate with the tip of the cylindrical hollow portion 8.
- one of the ejection holes 5a has a circular cross section
- the other ejection hole 5b has a cross section that is more than the circular shape of one of the ejection holes 5a. It has an oval shape with a large hole cross-sectional area.
- the ejection angles of the ejection holes 5a and 5b are substantially the same direction, and the high-pressure gas (high-temperature steam) Ga ejected from the ejection holes 5a and the high-pressure gas Gb ejected from the ejection holes 5b. And are set to interfere with each other.
- the high-temperature steam Gb is pulled by the high-temperature steam Ga having a high speed, and a vortex is generated. Then, cavitation is generated by the negative pressure formed by the vortex, and a large number of bubbles are generated in the milk 7.
- FIG. 7 is an image showing a change in bubbles generated by injecting high-pressure high-temperature steam into milk in a container using the foaming nozzle according to the present embodiment, and (a) is a minute later, (B) shows the state after 5 minutes and (c) shows the state after 10 minutes.
- various conditions other than the structure of the tip body 4 attached to the foaming nozzle 1 are set to be the same as those of the conventional example of FIG.
- FIG. 7A of the present embodiment is compared with FIG. 3A of the conventional example, the bubbles generated by the foaming nozzle 1 according to the present embodiment are generated by the conventional foaming nozzle 100. It can be seen that the texture is finer and smaller than bubbles.
- the bubbles generated by the foaming nozzle 1 according to the present embodiment maintain a certain degree of fineness over time. I understand that.
- the high-pressure gas (high-temperature steam) Ga, Gb is ejected from the ejection holes 5a, 5b in substantially the same direction, so that smooth gas flows having different velocities are generated. Cavitation can be effectively generated by interfering the flow of two gases having different velocities in the target liquid (milk) 7, so that a large number of fine bubbles can be shortened. Can be generated in time.
- the ejection time of the high temperature steam Ga, Gb can be shortened. As a result, the milk 7 The amount of water mixed in can be suppressed.
- the hole cross section of one of the ejection holes 5a is made into a perfect circle shape
- the hole section of the other ejection hole 5b is made into an oval shape
- the elliptical shape The high-pressure gas Ga injected from the circular injection hole 5a is injected into the high-pressure gas Ga from the elliptical injection hole 5b by arranging the circular injection hole 5b above the center in the longitudinal direction of the injection hole 5b. It is possible to reliably cause interference with the gas Gb, thereby realizing stable cavitation.
- the tip of the steaming nozzle provided in a coffee extraction device such as an espresso machine is disposed at the tip. Since it is only necessary to screw the chip body 4 that has been made, the manufacturing cost can be minimized.
- the hole cross-sectional area and the shape of each of the ejection holes 5a and 5b are not limited to this, but in the chip body 4 according to the present embodiment, the hole cross-sectional area of the ejection hole 5b is It is preferably set to about 4 to 6 times the hole cross-sectional area of the ejection hole 5a.
- the diameter D1 of the ejection hole 5a is set to about 1.0 to 2.0 mm
- the length L1 in the longitudinal direction of the ejection hole 5b is about 3.0 to 10 mm (that is, the ellipse of the ejection hole 5b).
- the length L1 in the longitudinal direction of the shape is preferably set to about 3 to 5 times the diameter D1 of the circular shape of the ejection hole 5a.
- FIG. 8 is a perspective view showing a first modification of the tip body of the foaming nozzle according to the present embodiment
- FIG. 9 is a bottom view showing a first modification of the tip body of the foaming nozzle according to the embodiment. It is figure (a) and sectional drawing (b). In these drawings, the same members as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted.
- two types of ejection holes 5c and 5d having different hole cross-sectional shapes are integrally formed on the same plane on the bottom (tip) 4Aa of the chip body 4A which is the first modification.
- the ejection holes 5 c and 5 d communicate with the tip of the cylindrical hollow portion 8.
- one of the ejection holes 5c and 5c has a circular cross section
- the other ejection hole 5d has a hole section between the one ejection holes 5c and 5c. Are drilled to connect the two.
- the ejection holes 5c, 5c and the ejection hole 5d are connected holes 5A that are integrally drilled at the bottom surface 4Aa of the chip body 4A. Further, the injection angles of the ejection holes 5c and 5c and the ejection hole 5d are substantially the same direction as the ejection holes 5a and 5b of the chip body 4 described above, and the high-pressure gas ejected from the ejection holes 5c and 5c. And the high-pressure gas injected from the ejection hole 5d merge and interfere with each other.
- the thickness T2 of the ejection hole 5d is set to about 0.5 to 1.0 mm, and the diameter D2 of the ejection holes 5c and 5c is set to about 1.0 to 2.0 mm. It is preferable that That is, the thickness T2 of the ejection hole 5d needs to be set at least smaller than the diameter D2 of the ejection holes 5c and 5c.
- the foaming nozzle 1 including the tip body 4A having the above-described configuration the high pressure ejected from the ejection hole 5d having a low ejection speed can be obtained as well as the same operation and effect as the above-described embodiment.
- the flow of the high-pressure gas injected from the ejection holes 5c, 5c having a large ejection speed interferes with both sides of the flow that has the smallest velocity due to the loss with the liquid. Cavitation can be generated more effectively.
- FIG. 10 is a perspective view showing a second modification of the tip body of the foaming nozzle according to the present embodiment
- FIG. 11 is a bottom view showing a second modification of the tip body of the foaming nozzle according to the embodiment.
- figure (a) and sectional drawing (b) the same members as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted.
- two types of ejection holes 5e and 5f having different hole cross-sectional shapes are integrally formed on the same plane on the bottom (tip) 4Ba of the chip body 4B which is the second modification.
- the ejection holes 5 e and 5 f communicate with the tip of the cylindrical hollow portion 8.
- one of the ejection holes 5e has a circular cross section, and the other ejection hole 5f is symmetrical with respect to the left and right direction about the one ejection hole 5e. It is drilled in an elongated oval shape.
- the ejection hole 5e and the ejection hole 5f are connection holes 5B that are integrally drilled at the bottom surface 4Ba of the chip body 4B.
- the injection angles of the ejection holes 5e and 5f are substantially the same direction as the ejection holes 5a, 5b, 5c, and 5d of the tip body 4, and the high-pressure gas ejected from the ejection holes 5e. And the high-pressure gas injected from the ejection hole 5f merge and interfere with each other.
- the thickness T3 of the ejection hole 5f is set to about 0.5 to 1.0 mm, and the diameter D3 of the ejection hole 5e is set to about 1.0 to 2.0 mm. Preferably it is. That is, the thickness T3 of the ejection hole 5f needs to be set at least smaller than the diameter D3 of the ejection hole 5e.
- the foaming nozzle 1 provided with the tip body 4B having the above-described configuration the same action and effect as in the above-described embodiment can be obtained, and different jets can be jetted from the jet holes 5e and 5f. Since the high-pressure gas having a flow velocity can be reliably interfered with, it is possible to realize more stable and stable cavitation.
- FIG. 12 is a perspective view showing a third modification of the tip body of the foaming nozzle according to the present embodiment
- FIGS. 13 and 14 are a bottom view and a side view showing the tip body of the third modification. is there.
- the same members as those in the above-described embodiments and modifications are denoted by the same reference numerals, and description thereof is omitted.
- the tip portion of the chip body 4 ⁇ / b> C that is the third modified example is provided with one curved surface 4 ⁇ / b> Cb formed by cutting out a part of the side surface, and the curved surface 4 ⁇ / b> Cb.
- the curved surface 4 ⁇ / b> Cb are provided with two types of ejection holes 5e and 5f having different hole cross-sectional shapes.
- the two types of ejection holes 5 e and 5 f are connecting holes 5 ⁇ / b> C that are integrally formed and communicate with the tip of the cylindrical hollow portion 8.
- the section of one ejection hole 5e is formed in a perfect circle shape, and the other ejection hole 5f. Is drilled in an oval shape extending symmetrically in the left-right direction around one ejection hole 5e.
- the injection angles of the ejection holes 5e and the ejection holes 5f are substantially the same direction, and the high-pressure gas ejected from the ejection holes 5e and the high-pressure gas ejected from the ejection holes 5f merge and interfere with each other. Is set.
- the injection direction of the connection hole 5C with respect to the tip body 4C is set so as to be inclined by a predetermined angle in the circumferential direction with respect to the radial direction from the central axis O.
- This predetermined angle is preferably in the range of 30 ° to 50 °.
- the radial direction is preferably inclined in the range of 30 ° to 60 ° with respect to the vertical direction (the central axis direction of the chip body 4C), and is particularly preferably set to about 45 °.
- the foaming nozzle 1 including the tip body 4C according to the third modified example having the above-described configuration it is possible to obtain the same operations and effects as those of the above-described embodiment and the first and second modified examples.
- ideal agitation can be generated for the liquid. That is, in the foaming nozzle 1 using the tip bodies 4, 4 ⁇ / b> A, 4 ⁇ / b> B of the above-described embodiment and the first and second modified examples, the liquid 7 in the container 6 is injected by injecting high-pressure gas while tilting the container 7. Although the stirring flow is generated, the foaming nozzle 1 using the tip body 4C can generate the flow for stirring the liquid 7 without tilting the container 6. Therefore, it is possible to easily produce high-quality foam even if it is not an expert.
- FIG. 15 is a perspective view showing a fourth modification of the tip body of the foaming nozzle according to the present embodiment
- FIG. 16 is a bottom view showing the tip body of the fourth modification
- FIGS. 17 and 18 are side views of the chip body according to the fourth modification when viewed from different angles.
- the same members as those in the above-described embodiments and modifications are denoted by the same reference numerals, and description thereof is omitted.
- three inclined surfaces 4Db cut at a predetermined inclination angle are formed at the distal end portion of the chip body 4D which is the fourth modified example, and different holes are formed in the inclined surfaces 4Db.
- Two types of ejection holes 5e and 5f having a cross-sectional shape are formed. These two types of ejection holes 5 e and 5 f are integrally formed connection holes 5 ⁇ / b> D and communicate with the tip of the cylindrical hollow portion 8.
- the section of one ejection hole 5e is formed in a perfect circle shape, and the other ejection hole 5f. Is drilled in an oval shape extending symmetrically in the left-right direction around one ejection hole 5e.
- the injection angles of the ejection holes 5e and the ejection holes 5f are substantially the same direction, and the high-pressure gas ejected from the ejection holes 5e and the high-pressure gas ejected from the ejection holes 5f merge and interfere with each other. Is set.
- each connecting hole 5D with respect to the tip body 4D is set so as to be inclined by a predetermined angle in the circumferential direction with respect to the radial direction from the respective central axis O, and the high-pressure gas injected from each is mutually It is designed not to interfere.
- This predetermined angle is preferably in the range of 30 ° to 50 °.
- the radiation direction is preferably inclined in the range of 30 ° to 60 ° with respect to the vertical direction (the central axis direction of the chip body 4D), and is particularly preferably set to about 45 °.
- the foaming nozzle 1 including the tip body 4D according to the fourth modified example having the above-described configuration it is possible to obtain the same operations and effects as those of the above-described embodiment and the first to third modified examples.
- the plurality of connecting holes 5D that can give the stirring action to the liquid 7 in the container 6 are formed at predetermined intervals along the circumferential direction of the tip portion of the tip body 4D.
- the liquid 7 in the container 6 can be stirred more effectively than the tip body 4C of the third modified example.
- FIG. 19 is a perspective view showing a fifth modification of the tip body of the foaming nozzle according to the present embodiment
- FIG. 20 is a bottom view showing the tip body of the fifth modification
- FIGS. 21 and 22 show side views of the chip body according to the fifth modification viewed from different angles.
- the same members as those in the above-described embodiments and modifications are denoted by the same reference numerals, and description thereof is omitted.
- three inclined surfaces 4Eb cut at a predetermined inclination angle are formed at the tip of the chip body 4E which is the fifth modified example, and different holes are formed in the inclined surfaces 4Eb.
- Two types of ejection holes 5e and 5f having a cross-sectional shape are formed.
- the two types of ejection holes 5e and 5f are integrally formed connection holes 5E and communicate with the tip of the cylindrical hollow portion 8, respectively.
- the cross section of one ejection hole 5e is formed in a perfect circle shape, and the other ejection hole 5f. Is drilled in an oval shape extending symmetrically in the left-right direction around one ejection hole 5e.
- the injection angles of the ejection holes 5e and the ejection holes 5f are substantially the same direction, and the high-pressure gas ejected from the ejection holes 5e and the high-pressure gas ejected from the ejection holes 5f merge and interfere with each other. Is set.
- each connecting hole 5E with respect to the tip body 4E is set so as to be inclined by a predetermined angle in the circumferential direction with respect to the radial direction from the respective central axis O, and the high-pressure gas injected from each is mutually It is designed not to interfere.
- This predetermined angle is preferably in the range of 30 ° to 50 °.
- the radial direction is preferably inclined in the range of 30 ° to 60 ° with respect to the vertical direction (the central axis direction of the chip body 4E), and is particularly preferably set to about 45 °.
- the foaming nozzle 1 including the tip body 4E according to the fifth modified example having the above-described configuration it is possible to obtain the same operations and effects as in the above-described embodiment and the first to fourth modified examples. .
- FIG. 23 is a perspective view showing a sixth modification of the tip body of the foaming nozzle according to the present embodiment
- FIGS. 24 and 25 are a bottom view and a side view showing the tip body of the sixth modification. is there.
- the same members as those in the above-described embodiments and modifications are denoted by the same reference numerals, and description thereof is omitted.
- the tip portion of the chip body 4F which is the sixth modification, is provided with three curved surfaces 4Fb formed by cutting out a part of the side surface, which is different from the curved surface 4Fb.
- Two types of ejection holes 5e and 5f having a hole cross-sectional shape are formed. These two types of ejection holes 5e and 5f are integrally formed connection holes 5F, and communicate with the tip of the cylindrical hollow portion 8, respectively.
- the section of one ejection hole 5e is formed in a perfect circle shape, and the other ejection hole 5f. Is drilled in an oval shape extending symmetrically in the left-right direction around one ejection hole 5e.
- the injection angles of the ejection holes 5e and the ejection holes 5f are substantially the same direction, and the high-pressure gas ejected from the ejection holes 5e and the high-pressure gas ejected from the ejection holes 5f merge and interfere with each other. Is set.
- each connecting hole 5F with respect to the tip body 4F is set so as to be inclined by a predetermined angle in the circumferential direction with respect to the radial direction from each central axis O, and the high-pressure gas injected from each is mutually It is designed not to interfere.
- This predetermined angle is preferably in the range of 30 ° to 50 °.
- the radial direction is preferably inclined in the range of 30 ° to 60 ° with respect to the vertical direction (the central axis direction of the chip body 4F), and particularly preferably set to about 45 °.
- the curved surfaces 4Cb and 4Fb and the inclined surfaces 4Db and 4Eb at the tip have the same shape as the ejection holes 5e and 5f of the second modification described above.
- the connection holes 5C to 5F are formed, the present invention is not limited to this, and for example, the ejection holes 5a and 5b of the embodiment or the ejection holes 5c and 5d of the first modified example are respectively curved surfaces 4Cb and 4Fb. And you may perforate in each inclined surface 4Db and 4Eb.
- the chip bodies 4D to 4F according to the fourth to sixth modifications, three inclined surfaces 4Db, 4Eb or three at intervals of 120 ° along the circumferential direction of the tip portion in consideration of processing cost and stirring performance.
- the curved surface 4Fb is provided, and the connection holes 5D to 5F (ejection holes 5e and 5f) are formed on the respective surfaces.
- the present invention is not limited to this, and for example, these arrangements are arranged in the chip bodies 4D to 4F. Four at 90 ° intervals or two at 180 ° intervals along the circumferential direction of the tip may be used.
- the present invention is not limited to this, and for example, there are three types of ejection holes formed in the bottom surface 4a of the chip body 4. It may be as described above, and can be changed as appropriate without departing from the spirit of the invention.
- each ejection hole is formed in the tip body 4 that is detachably attached to the tip of the foaming nozzle 1.
- the present invention is not limited thereto. 1, that is, a structure in which an ejection hole is directly formed at the tip of the foaming nozzle 1 which is closed.
- the present invention is also applicable when emulsifying fresh cream or the like as the liquid to be foamed.
- a high-pressure gas high-pressure air
- the low-temperature high-pressure gas is converted from the foaming nozzle 1 into a raw cream raw material containing 40% or more of the milk component as the target liquid.
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Abstract
Description
2・・・高圧気体発生装置(コーヒー抽出装置)
3・・・流通路
4,4A~4F・・・チップ体
4a,4Aa~4Fa・・・底部
4Cb,4Fb・・・湾曲面
4Db,4Eb・・・傾斜面
5a~5f・・・噴出孔
5A~5F・・・連結孔
6・・・容器(ミルクピッチャー)
7・・・液体(ミルク)
8・・・円筒中空部
9・・・平行ねじ部
Ga,Gb・・・高圧気体(高温蒸気)
Claims (12)
- 大気圧より高い高圧気体を生成する気体発生装置に接続され、先端部から前記高圧気体を噴出することにより、その噴出方向に配された液体を攪拌しながら泡立てる泡立て用ノズルであって、
前記先端部には、前記高圧気体を噴射するための少なくとも2種類の噴出孔が穿設され、
前記噴出孔のうち少なくとも1種類の噴出孔は、他の噴出孔から噴射される前記高圧気体の速度とは異なる速度で前記高圧気体を噴射するように、前記他の噴出孔とは異なる形状で形成され、かつ、
前記噴出孔から噴射された異なる速度の前記高圧気体は、噴出後に前記液体中で互いに干渉することを特徴とする泡立て用ノズル。 - 前記噴出孔は、前記先端部に脱着可能に取り付けられたチップ体の底面に穿設されている請求項1に記載の泡立て用ノズル。
- 前記少なくとも1つの噴出孔の孔断面は、正円形状であり、かつ、
前記他の噴出孔の孔断面は、前記正円形状よりも孔断面積が大きい長円形状である請求項1または2に記載の泡立て用ノズル。 - 前記少なくとも1種類の噴出孔と前記他の噴出孔とは、前記先端部の同一平面上に離間して穿設された別体の孔である請求項1ないし3のいずれかに記載の泡立て用ノズル。
- 前記少なくとも1種類の噴出孔と前記他の噴出孔とは、前記先端部の同一平面上に一体的に穿設された連結孔である請求項1ないし3のいずれかに記載の泡立て用ノズル。
- 前記先端部の側面には、前記少なくとも1種類の噴出孔と前記他の噴出孔とが穿設された複数の加工面が形成されている請求項1ないし3のいずれかに記載の泡立て用ノズル。
- 前記先端部の側面には、前記少なくとも1種類の噴出孔と前記他の噴出孔とが穿設された複数の加工面が周方向に沿って所定の間隔毎に形成され、かつ、
前記加工面に穿設された噴出孔の噴射方向は、それぞれ他の加工面に穿設された噴出孔から噴射される前記高圧気体に干渉しないように設定されている請求項1ないし3のいずれかに記載の泡立て用ノズル。 - 前記加工面に穿設された噴出孔の噴射方向は、それぞれの放射方向に対して周方向に所定の角度だけ傾斜するように設定されている請求項6または7に記載の泡立て用ノズル。
- 前記放射方向は、鉛直方向に対して30°~60°の範囲で傾斜するように設定され、かつ、前記所定の角度は、30°~50°の範囲である請求項8に記載の泡立て用ノズル。
- 前記加工面に穿設された噴出孔は、前記先端部の周方向に沿って120°間隔で形成されている請求項7ないし9のいずれかに記載の泡立て用ノズル。
- 前記気体発生装置は、大気圧より高い圧力を付与してコーヒーを抽出するとともに、前記高圧気体として高温蒸気を生成するコーヒー抽出装置であり、かつ、
前記液体は、前記高温蒸気により加温されながら泡立てられるミルクである請求項1ないし10のいずれかに記載の泡立て用ノズル。 - 前記液体は、前記高圧気体によって泡立てられる生クリームである請求項1ないし10のいずれかに記載の泡立て用ノズル。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09824666.3A EP2351502B1 (en) | 2008-11-06 | 2009-08-27 | Foaming nozzle |
JP2010536720A JP5180317B2 (ja) | 2008-11-06 | 2009-08-27 | 泡立て用ノズル |
US13/127,751 US8960080B2 (en) | 2008-11-06 | 2009-08-27 | Foaming nozzle |
Applications Claiming Priority (2)
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JP2008285721 | 2008-11-06 | ||
JP2008-285721 | 2008-11-06 |
Publications (1)
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WO2010052966A1 true WO2010052966A1 (ja) | 2010-05-14 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/064936 WO2010052966A1 (ja) | 2008-11-06 | 2009-08-27 | 泡立て用ノズル |
Country Status (4)
Country | Link |
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US (1) | US8960080B2 (ja) |
EP (1) | EP2351502B1 (ja) |
JP (1) | JP5180317B2 (ja) |
WO (1) | WO2010052966A1 (ja) |
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KR20180029985A (ko) * | 2018-02-08 | 2018-03-21 | (주)미스터커피 | 에스프레소 커피머신의 자동 밀크 폼 생성 장치 |
JP2022507630A (ja) * | 2018-11-20 | 2022-01-18 | コニンクレイク ダウエ エフベルツ ベー.フェー. | 泡立て装置及びその方法 |
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ITMC20130006U1 (it) * | 2013-04-09 | 2014-10-10 | Nuova Simonelli S P A | Lancia vapore per macchine da caffe'. |
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WO2019150163A1 (es) * | 2018-01-31 | 2019-08-08 | Umana Gomez Eduardo | Máquina de café portable de extracción por presión negativa |
CN109222659B (zh) * | 2018-11-23 | 2024-06-14 | 新乐华家用电器(深圳)有限公司 | 一种打奶器 |
USD1016556S1 (en) | 2019-09-19 | 2024-03-05 | TML Innovative Products, LLC | Steam nozzle |
US11925288B1 (en) * | 2019-09-19 | 2024-03-12 | TML Innovative Products, LLC | Nozzle structure for steaming milk |
KR102356088B1 (ko) * | 2020-03-25 | 2022-01-25 | 노인숙 | 휘젓기 기능을 갖는 정수기 |
US11812892B1 (en) | 2022-04-25 | 2023-11-14 | Sharkninja Operating Llc | Fluid texturing device |
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Also Published As
Publication number | Publication date |
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US20110239872A1 (en) | 2011-10-06 |
EP2351502A4 (en) | 2014-06-25 |
EP2351502A1 (en) | 2011-08-03 |
JPWO2010052966A1 (ja) | 2012-04-05 |
JP5180317B2 (ja) | 2013-04-10 |
US8960080B2 (en) | 2015-02-24 |
EP2351502B1 (en) | 2016-04-06 |
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