Appliance for fine steam-frothing a milk-based liquid
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A23F-003/00
A47J-043/046
A47J-031/44
출원번호
US-0059384
(2009-08-31)
등록번호
US-8875618
(2014-11-04)
우선권정보
EP-08163423 (2008-09-01)
국제출원번호
PCT/EP2009/061212
(2009-08-31)
§371/§102 date
20110216
(20110216)
국제공개번호
WO2010/023313
(2010-03-04)
발명자
/ 주소
Boussemart, Christophe S.
Perrin, Alexa
출원인 / 주소
Nestec S.A.
대리인 / 주소
Winston & Strawn LLP
인용정보
피인용 횟수 :
0인용 특허 :
15
초록▼
An appliance for heating and frothing a milk-containing liquid. The appliance includes a steam supply arrangement having an outlet with an opening for delivering into the milk-containing liquid bubbles of steam. The outlet is associated with a valve for adjusting the bubble size of the steam bubbles
An appliance for heating and frothing a milk-containing liquid. The appliance includes a steam supply arrangement having an outlet with an opening for delivering into the milk-containing liquid bubbles of steam. The outlet is associated with a valve for adjusting the bubble size of the steam bubbles delivered into the liquid from the steam outlet opening.
대표청구항▼
1. An appliance for heating and frothing a milk-containing liquid, comprising a steam supply arrangement having an outlet with an opening for delivering into the liquid bubbles of the steam having a bubble size, wherein the outlet is associated with a valve system for adjusting the opening pressure
1. An appliance for heating and frothing a milk-containing liquid, comprising a steam supply arrangement having an outlet with an opening for delivering into the liquid bubbles of the steam having a bubble size, wherein the outlet is associated with a valve system for adjusting the opening pressure of the steam outlet opening, thereby varying the bubble size of the steam bubbles delivered into the liquid from the steam outlet opening, wherein the valve system comprises a biased resilient member configured and arranged for adjusting the mechanical bias of a bottom retaining surface of the resilient member against the outlet to allow a release of the steam through the outlet opening when the steam reaches a sufficient pressure in the steam supply arrangement, and wherein the valve system includes a closure member that resiliently closes the steam outlet opening. 2. The appliance of claim 1, wherein the valve is a one-way or non-return valve. 3. The appliance of claim 1, wherein the resilient member is associated with a user-adjustable bias means for adjusting the bias on the resilient member. 4. The appliance of claim 1, wherein the closure member is at least one of a lid, plug or cover. 5. The appliance of claim 1, wherein the valve is a one-way or non-return valve and comprises a resilient tubular or conical section for guiding the steam towards the steam outlet opening. 6. The appliance of claim 5, wherein the resilient section is part of the steam outlet and wherein the valve opening is configured and positioned to regulate steam flow therethrough. 7. The appliance of claim 5, wherein the valve further comprises a retaining surface, with the resilient section being biased to urge the outlet opening against the retaining surface. 8. The appliance of claim 1, which further comprises means for incorporating air into the liquid located at a distance from the steam outlet opening so as to form steam bubbles at the steam outlet opening separately from air bubbles that are being formed by the air incorporation means. 9. The appliance of claim 8, wherein the air incorporation means comprises an agitator, stirrer or shaker for agitating the liquid. 10. The appliance of claim 8, which is arranged to be user-configurable for incorporating air and steam simultaneously or sequentially while frothing the liquid, the air incorporation means being optionally associated with a resistor heater for heating the liquid in combination or without steam heating. 11. The appliance of claim 1, further comprising a reservoir for containing the liquid, with the steam supply arrangement optionally secured to the reservoir and the steam outlet opening optionally located at or adjacent to a bottom surface of the reservoir. 12. The appliance of claim 11, further comprising an agitator for agitating the liquid and incorporation air thereinto, the agitator being optionally arranged adjacent a bottom part of the receptacle. 13. The appliance of claim 12, wherein the agitator is located off-centered relatively to the receptacle, with the steam outlet opening optionally being located generally opposite the agitator in the receptacle adjacent a bottom part of the receptacle. 14. The appliance of claim 1, wherein the steam supply arrangement comprises a duct having an inlet that is connectable to an outlet of a steam generator, with the steam generator optionally associated with a hot beverage machine. 15. The appliance of claim 1, further comprising a steam generator in fluid connection with the steam supply arrangement, with the generator optionally being arranged to be in thermal communication with the liquid for pre-heating thereof. 16. The appliance of claim 1, further comprising a steam supply arrangement having an outlet with an opening for delivering into the liquid bubbles of the steam, wherein at delivery of the bubbles into the liquid, the steam outlet has an opening that has a cross-section of up to 0.7 mm2. 17. The appliance of claim 16, wherein the steam outlet cross-section has a size of 0.1 to 0.65 mm2, 0.2 to 0.55 mm2 or 0.25 to 0.45 mm2. 18. An appliance for heating and frothing a milk-containing liquid, comprising a steam supply arrangement having an outlet with an opening for delivering into the liquid bubbles of the steam having a bubble size, wherein the outlet is associated with a valve for adjusting the opening pressure of the steam outlet opening, thereby varying the bubble size of the steam bubbles delivered into the liquid from the steam outlet opening, wherein the steam outlet opening includes a section which is adjustable by the valve, and the valve comprises a biased resilient member arranged to allow a release of the steam through the outlet opening when the steam reaches a sufficient pressure in the steam supply arrangement, and wherein the valve is a one-way or non-return valve and comprises a resilient tubular or conical section for guiding the steam towards the steam outlet opening and includes a closure member that resiliently closes the steam outlet opening. 19. An appliance for heating and frothing a milk-containing liquid, comprising: a steam supply arrangement having an elongated section and an outlet with an opening for delivering into the liquid bubbles of the steam having a bubble size;a valve associated with the elongated section and outlet of the steam supply arrangement for adjusting the bubble size of the steam bubbles delivered into the liquid from the steam outlet opening, with the valve comprising a biased resilient member arranged to allow release of the steam through the outlet opening when the steam reaches a sufficient pressure in the steam supply arrangement;a closure member that resiliently closes the steam outlet opening; andan agitator for agitating the liquid and incorporating air thereinto, the agitator being arranged to be offset from the steam outlet opening for separately forming and introducing air bubbles into the liquid. 20. The appliance of claim 19 wherein the valve is a one-way or non-return valve and comprises a resilient tubular or conical section for guiding the steam towards the steam outlet opening, the resilient section being part of the steam outlet and the valve further comprising a retaining surface, with the resilient section being biased to urge the outlet opening against the retaining surface to control the introduction of steam bubbles into the liquid.
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