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특허 상세정보

Espresso coffee machine for the differentiated application of the water pressure and for preinfusion in the dispensing g

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47J-031/06   
미국특허분류(USC) 99/295 ; ; 99/302 ; R
출원번호 US-0503551 (1995-07-18)
우선권정보 IT-0000140 (1994-07-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 18  인용 특허 : 1
초록

The method involves preceding the infusion of the coffee with a stage in which the coffee powder is soaked (preinfused) with a gradual increase in the pressure. The improvement located on the delivery pipe of an espresso coffee machine, immediately upstream of the infusion group, is a pressure damping device. This allows improved imbibition by the coffee powder during the “infusion”stage, i.e. the stage that precedes the actual dispensing of the espresso coffee.

대표
청구항

An espresso coffee machine, comprising: a pump which feeds water to a boiler for heating the water; a delivery pipe for drawing the water from the boiler and conveying it, via a three-way valve, to an infusion group in which coffee powder is infused and from which coffee is dispensed; and a pressure damping device located on said delivery pipe upstream of the infusion group which ensures that a boiler pressure is not applied abruptly to the coffee powder.

이 특허를 인용한 특허 피인용횟수: 18

  1. Giacomin, Lorenzo. AC and/or DC voltage powered machine for preparing espresso coffee and other infused drinks and beverages. USP2017049629492.
  2. Priley, Anthony P.. Apparatus for brewing tea with an espresso machine. USP2004046722265.
  3. Priley Anthony P.. Beverage preparation and layering device for an espresso machine. USP2001046220147.
  4. Greiwe Hansdieter,DEX. Beverage preparer, in particular coffee machine. USP2001036199472.
  5. Magg, Johann; Mayr, Andreas; Steffl, Michael. Brewing chamber for a coffee machine, and coffee machine. USP2013048418602.
  6. Levin, Shalom. Brewing element with a central inlet. USP2012028122813.
  7. Suggi Liverani, Furio; Mastropasqua, Luca; Van Eeden, Frans; Dellapietra, Bruno. Cartridge with crema generating septum and method using same. USP2016109474405.
  8. Gussmann, Jochen; Krips, Tobias; Weinberger, Ludwig. Coffee machine. USP2014098833237.
  9. Remo, Gianni; Schmed, Arthur. Coffee maker for brewing coffee powder contained in a cartridge. USP2017099770129.
  10. Schmed, Arthur; Remo, Gianni. Coffee maker for brewing coffee powder contained in a cartridge. USP2010127856920.
  11. Denisart, Jean-Luc; Meier, Alain; Bonacci, Enzo; Pleisch, HansPeter; Talon, Christian. Device for preparing a liquid beverage from a cartridge. USP20181010098494.
  12. Corti, Roberto. Espresso and fresh-brew coffee brewing unit. USP20190310226151.
  13. Bambi, Piero. Espresso coffee machine with preinfusion device. USP2013088505441.
  14. Grassia, Robert. Espresso machine with Americano feature. USP2018039924828.
  15. Favero, Andrea; Ferraro, Andrea; Berto, Giovanni. Infusion unit for drinks with hydraulic closing system. USP2016079398826.
  16. Anthony P. Priley. Method and apparatus for brewing tea with an espresso machine. USP2002126488976.
  17. Denisart, Jean-Paul; Caprotti, Patrick; Denisart, Jean-Luc; Yoakim, Alfred; Kollep, Alexandre. Method and device for preparation of a drink from capsules containing a substance. USP2010017650831.
  18. Koeling, Hendrik Cornelis; Brouwer, Gustaaf Frans. System for preparing portions of a beverage suitable for consumption. USP2017039585511.