Machine for infusion preparation, in particular espresso coffee, supplying group and manufacturing method thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47J-031/46
A47J-031/56
B23P-011/00
A47J-031/36
출원번호
US-0262569
(2010-03-31)
등록번호
US-9427106
(2016-08-30)
우선권정보
IT-TO2009A0250 (2009-04-01)
국제출원번호
PCT/IB2010/051407
(2010-03-31)
§371/§102 date
20111206
(20111206)
국제공개번호
WO2010/113125
(2010-10-07)
발명자
/ 주소
Carbonini, Carlo
Porzio, Giancarlo
Ferraresi, Carlo
Franco, Walter
Quaglia, Giuseppe
Oderio, Riccardo
출원인 / 주소
RANCILIO GROUP S.P.A.
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
82
초록▼
The present invention relates to an infusion machine comprising a boiler having first heating means provided for heating a liquid suitable for infusion preparation, in particular for espresso coffee preparation, at least one supplying group (14), and infusion means (43, 43b) provided for infusion pr
The present invention relates to an infusion machine comprising a boiler having first heating means provided for heating a liquid suitable for infusion preparation, in particular for espresso coffee preparation, at least one supplying group (14), and infusion means (43, 43b) provided for infusion preparation and associated with second heating means (46). The supplying group (14) in the machine further comprises an accumulation chamber (41) hydraulically connected to the infusion means (43, 43b) and arranged to contain a certain amount of liquid. Second heating means (46) are provided, which are arranged to directly heat the liquid contained in the accumulation chamber (41) for hydraulically feeding the infusion means (43). The invention also relates to the supplying group and the method of manufacturing the machine.
대표청구항▼
1. An espresso coffee machine comprising in a body: a boiler comprising a boiler heating element provided for heating in the boiler a liquid arranged for infusion preparation;at least one supplying group connected to the boiler comprising: a first chamber directly connected to the boiler by a first
1. An espresso coffee machine comprising in a body: a boiler comprising a boiler heating element provided for heating in the boiler a liquid arranged for infusion preparation;at least one supplying group connected to the boiler comprising: a first chamber directly connected to the boiler by a first duct and arranged to accumulate a certain amount of the liquid coming from the boiler through the first duct;a second chamber internal to the first chamber and hydraulically connected to the first chamber by an outlet duct exiting from the first chamber and an inlet duct entering the second chamber;wherein the first chamber comprises a first chamber heating element distributed inside the entire first chamber or inside a portion of the first chamber and arranged to directly heat the liquid contained in the first chamber to an infusion temperature for espresso coffee preparation;wherein the second chamber is provided for being filled with liquid hydraulically received from the first chamber by way of the outlet duct and the inlet duct and heated by the first chamber heating element, the second chamber connected by a second duct to an external filter holder for infusion preparation; andwherein a valve is provided between the outlet duct and the inlet duct, the valve being arranged for delivering the liquid heated by the first chamber heating element from the first chamber to the second chamber and to the second duct for infusion preparation at the infusion temperature for espresso coffee preparation. 2. The machine according to claim 1, wherein the first chamber is sized to contain an amount of liquid lower than the amount of liquid contained in the boiler and sufficient for an infusion preparation. 3. The machine according to claim 1, comprising: a control unit connected to the first chamber heating element and arranged to dynamically control, by the first chamber heating element, the infusion temperature during infusion preparation. 4. The machine according to claim 2, comprising: a control unit connected to the first chamber heating element and arranged to dynamically control, by the first chamber heating element, the infusion temperature during infusion preparation. 5. The machine according to claim 1, wherein the accumulation chamber receives liquid from the boiler at an inlet located at a lower part of the first chamber and hydraulically feeds liquid to the second chamber via an outlet located at an upper part of the first chamber above the lower part. 6. A supplying group for an espresso coffee machine, comprising: a first chamber arranged to contain a certain amount of liquid and connected to a boiler; anda second chamber arranged inside the first chamber and hydraulically connected to the first chamber by an outlet duct of the first chamber and an inlet duct of the second chamber,wherein the first chamber comprises a first chamber heating element distributed inside the entire first chamber or inside a portion of the first chamber and arranged to directly heat the liquid contained in the first chamber to an infusion temperature for espresso coffee preparation,wherein the second chamber is provided for being filled with liquid hydraulically received from the first chamber by the outlet duct and the inlet duct and heated by the first chamber heating element, the second chamber being connected by a second outlet duct to an external filter holder for infusion preparation, andwherein a valve is provided between the outlet duct and the inlet duct, the valve being arranged to deliver the liquid, heated by the first chamber heating element, from the first chamber to the second chamber and to the second outlet duct for infusion preparation at the infusion temperature for espresso coffee preparation. 7. The group according to claim 6, wherein the second chamber is concentric to the first chamber. 8. An espresso coffee machine for preparing espresso coffee, comprising in a body: a first heating unit that heats a liquid;at least one supplying group connected through a first duct to the first heating unit, the at least one supplying group comprising: an accumulation chamber with an inlet for receiving through the first duct the liquid heated by the first heating unit;a second heating unit contained within the accumulation chamber;an internal chamber hydraulically connected to the accumulation chamber and arranged to be fed by the accumulation chamber with supply water by an outlet duct exiting from the accumulation chamber and an inlet duct entering the internal chamber during the process of preparing an espresso coffee beverage;wherein the internal chamber is contained within the accumulation chamber;wherein the second heating unit is distributed inside the entire accumulation chamber or inside a portion of the accumulation chamber and is arranged to heat the supply water to an infusion temperature optimized for espresso coffee preparation,wherein a valve is provided between the outlet duct and the inlet duct, the valve being arranged for delivering the liquid, heated by the second heating unit, from the accumulation chamber to the internal chamber for infusion preparation at the infusion temperature optimized for espresso coffee preparation; andwherein the at least one supplying group is associated with a respective filter holder containing, in use, coffee powder and equipped with respective spouts, whereby the internal chamber is configured to supply the hot liquid to the filter holder through a second outlet duct for preparing espresso coffee at the infusion temperature optimized for espresso coffee preparation. 9. The espresso coffee machine according to claim 8, comprising a pump sufficient to supply about 9 bars of liquid pressure to the accumulation chamber of the at least one supplying group through the first duct. 10. The espresso coffee machine according to claim 8, wherein the internal chamber is concentric with the accumulation chamber. 11. The espresso coffee machine according to claim 8, wherein the accumulation chamber receives liquid from the first heating unit at an inlet located at the bottom of the accumulation chamber and hydraulically feeds liquid to the internal chamber through an outlet located at the top of the accumulation chamber.
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