An apparatus for making beverages including a frothing device fluidly coupled to an outlet of a wand fluidly coupled to a boiler. The frothing device includes a nozzle configured to be positioned below the surface of the liquid, and a valve member movable between a first position in which steam is p
An apparatus for making beverages including a frothing device fluidly coupled to an outlet of a wand fluidly coupled to a boiler. The frothing device includes a nozzle configured to be positioned below the surface of the liquid, and a valve member movable between a first position in which steam is prevented from moving between the outlet of the wand and the nozzle and a second position in which steam is permitted to move between the outlet of the wand and the nozzle. The frothing device also includes a float device that maintains the frothing device on the surface of liquid.
대표청구항▼
1. An apparatus for making beverages, the apparatus comprising: a vessel sized to contain liquid,a boiler operable to produce steam,a wand fluidly coupled to the boiler,a housing configured to float on liquid contained in the vessel, anda control valve secured to the housing and fluidly coupled to a
1. An apparatus for making beverages, the apparatus comprising: a vessel sized to contain liquid,a boiler operable to produce steam,a wand fluidly coupled to the boiler,a housing configured to float on liquid contained in the vessel, anda control valve secured to the housing and fluidly coupled to an outlet of the wand, the control valve including (i) a nozzle configured to be positioned below the surface of the liquid, and (ii) a valve member movable between a first position in which steam is prevented from moving between the outlet of the wand and the nozzle and a second position in which steam is permitted to move between the outlet of the wand and the nozzle. 2. The apparatus of claim 1, wherein the nozzle is configured to be positioned at a predetermined depth below the surface of the liquid. 3. The apparatus of claim 1, wherein the valve member is pressure-operated. 4. The apparatus of claim 3, wherein the control valve further includes a biasing element configured to bias the valve member in the first position. 5. The apparatus of claim 1, further comprising a telescopic pipe having a first end coupled to the wand and a second end coupled to the control valve, wherein the telescopic pipe has a passageway defined therein connecting the outlet of the wand to the control valve. 6. The apparatus of claim 1, wherein the housing encapsulates a source of buoyancy. 7. The apparatus of claim 1, further comprising: a base,a filter chamber positioned above the base, the filter chamber including an outlet, anda valve including a valve member movable between (i) a first position in which steam is permitted to advance from the boiler to the wand and (ii) a second position in which fluid is permitted to advance from the boiler to the filter chamber. 8. An espresso machine comprising: a vessel sized to contain liquid,a steam generator, anda frothing device including (i) a control valve positioned in the vessel, (ii) a pipe having a first end fluidly coupled to the control valve and a second end fluidly coupled to the steam generator such that steam produced by the steam generator may be advanced to the control valve, (iii) a housing configured to float on the surface of the liquid contained in the vessel, and (iv) a nozzle configured to be positioned below the surface of the liquid,wherein the control valve includes a valve member movable between (i) a first position in which steam is permitted to advance through the nozzle into the liquid below the surface thereof and (ii) a second position in which steam is prevented from advancing through the nozzle. 9. The espresso machine of claim 8, wherein the frothing device includes a telescopic pipe. 10. The espresso machine of claim 8, wherein the nozzle has an outlet positioned a predetermined distance below the housing. 11. The espresso machine of claim 8, wherein the vessel is a pitcher. 12. The espresso machine of claim 8, further comprising: a base,a filter chamber positioned above the base, the filter chamber including an outlet, anda valve including a valve member movable between (i) a first position in which steam is permitted to advance from the steam generator to the nozzle and (ii) a second position in which fluid is permitted to advance from the steam generator to the filter chamber. 13. The espresso machine of claim 8, wherein the control valve further includes a biasing element configured to bias the valve member in the second position.
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이 특허에 인용된 특허 (5)
Moskowitz Paul M. (Brooklyn NY) Rushansky Yuliy (Bronx NY) Brown Lester (Flushing NY) Weinstein Gerald (Brooklyn NY), Apparatus for use in preparing infusions.
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