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특허 상세정보

Brewing apparatus for preparing foam, froth or crema under low pressure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47J-031/40    A47J-031/06   
미국특허분류(USC) 099/302R; 099/295; 099/323.1
출원번호 US-0407578 (2009-03-19)
등록번호 US-8230776 (2012-07-31)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Herbster, George A.
인용정보 피인용 횟수 : 1  인용 특허 : 17
초록

The present invention pertains to a brewing filter apparatus capable of preparing foam, froth, or crema, particularly for coffee beverages, under low pressure. The apparatus can operate at pressures below 15 bar and as low as 1-3 bar. The apparatus comprises a mesh cover, coarse filter, fine filter, large 0-ring, coffee container, small 0-ring, and foam maker having two opposing holes. The holes have a diameter in the range of 0.3 to 1 mm. The crema is created by the turbulent contacting of two opposing jets of coffee, which enter the foam maker through ...

대표
청구항

1. A method of preparing foam, froth, or crema, in a brewing filter apparatus comprising directing two opposing jets of brewed beverage at a pressure less than 15 bar from substantially opposite directions thereby to contact each other in a turbulent manner and situating a mesh between the opposing jets at the point of contact whereby a foam, froth or crema is produced. 2. The method of claim 1 wherein each of the opposing jets is directed at a pressure in the range of 1-3 bar. 3. A brewing filter apparatus including a beverage container, a filter affixe...

이 특허에 인용된 특허 (17)

  1. Selby ; III Howard W. (Boulder CO). Apparatus and process for extracting espresso coffee. USP1992075127318.
  2. Cai Zhihua (1126 NE. Conser Pl. Corvallis OR 97330). Apparatus for brewing espresso and cappuccino. USP1997065638740.
  3. Kodden, Hans; Maas, Wilhelmus Johannus Joseph; Noordhuis, Joeke. Beverage device for making a beverage with a foam layer on top. USP2009097591217.
  4. Cai, Edward Zhihua. Beverage making cartridge. USP2004056740345.
  5. Lssi Andr (Wabern CHX) Zurbuchen Hans (Wabern CHX) von Gunten Jrg (Grosshchstetten CHX). Brewing apparatus for a coffee machine. USP1994055307734.
  6. Fuentes Francisco Causo,ESX. Coffee maker filter holder system. USP2000046044754.
  7. Illy Ernesto (8 ; via Locchi I - Trieste ITX). Coffee-making machine. USP1984024429623.
  8. Cai, Edward Z.. Device for making coffee drink having a crema layer. USP2005016840158.
  9. Gasser Ruedy,CHX ; Strub Jurg,CHX. Espresso brewing-head unit. USP1999065913962.
  10. Pytlik Dorothea (Solingen DEX) Borgmann Michael (Solingen DEX). Filter holder. USP1997055628902.
  11. Schiettecatte Patrice J. C. (Alencon FRX). Filter holder for a coffee machine of the “espresso”type. USP1992095150645.
  12. Friedrich Dieter,DEX ; Seidel Gunther,DEX ; Machlitt Michael,DEX ; Eimecke Rolf,DEX ; Koch Dieter,DEX ; Miltenberger Christof,DEX ; Wirsing Robert,DEX. Filtering means for the filtration of extraction beverages, in particular espresso. USP1998015711880.
  13. Ronald Paul Rohrbach ; Gordon William Jones ; Peter D. Unger ; Daniel E. Bause ; Lixin L. Xue ; Russell A. Dondero. Multi-stage fluid filter, and methods of making and using same. USP2002046379564.
  14. Muttoni Mario (Frazione Cima ITX). Percolator holding pan for espresso coffee making machines. USP1989114882982.
  15. Chen,Yee Mau; Poon,Sum Fat. Spoon brewing apparatus. USP2007067228790.
  16. Darrin M. Wai HK. Spoon shaped coffee brewing apparatus. USP2002116481338.
  17. Tak,Young Mi; Baek,Seung Soo; Youn,Joo Ae; Kim,Dong Gyu. Thin film transistor array panel and manufacturing method thereof. USP2007107288790.