IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0746896
(2008-01-04)
|
등록번호 |
US-7858135
(2011-02-24)
|
국제출원번호 |
PCT/CA2008/000007
(2008-01-04)
|
§371/§102 date |
20100608
(20100608)
|
국제공개번호 |
WO09/086613
(2009-07-16)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Sutherland Asbill & Brennan LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
24 |
초록
▼
The infusion brewing device has a steeping area configured and adapted to receive a filter, particulate steeping material and hot liquid water for steeping the particulate steeping material into an infusion. A vacuum chamber is positioned below the steeping area. The vacuum chamber has a hermetic wa
The infusion brewing device has a steeping area configured and adapted to receive a filter, particulate steeping material and hot liquid water for steeping the particulate steeping material into an infusion. A vacuum chamber is positioned below the steeping area. The vacuum chamber has a hermetic wall, a closable lower outlet, and an upper opening leading to the steeping area. An inlet of a vacuum conduit is positioned in the vacuum chamber, above a maximum liquid level of the vacuum chamber and whereas an outlet thereof is connected to a vacuum source. The inlet is spaced from the wall by an inlet spacing distance. The vacuum source is operable to reduce the pressure in the vacuum chamber in a manner to draw the infusion through the filter and upper opening.
대표청구항
▼
What is claimed is: 1. An infusion brewing device comprising a steeping area configured and adapted to receive a filter, particulate steeping material and hot liquid water for steeping the particulate steeping material into an infusion, a vacuum chamber positioned below the steeping area, the vacuu
What is claimed is: 1. An infusion brewing device comprising a steeping area configured and adapted to receive a filter, particulate steeping material and hot liquid water for steeping the particulate steeping material into an infusion, a vacuum chamber positioned below the steeping area, the vacuum chamber having a hermetic wall, a closable lower outlet, and an upper opening leading to the steeping area, and a vacuum conduit having an inlet positioned in the vacuum chamber, above a maximum liquid level of the vacuum chamber, and spaced from the wall by an inlet spacing distance, and having an outlet connected to a vacuum source operable to reduce the pressure in the vacuum chamber in a manner to draw the infusion from the steeping area through the filter and upper opening. 2. The brewing device of claim 1 wherein the vacuum conduit has a tube having a re-entrant end in the vacuum chamber, the re-entrant end having the inlet. 3. The brewing device of claim 2 wherein the re-entrant end of the tube extends substantially horizontally in the vacuum chamber. 4. The brewing device of claim 1 wherein the vacuum source has a vacuum pump. 5. The brewing device of claim 1 wherein the upper opening has a grate configured and adapted to support the filter during steeping and operation of the vacuum source. 6. The brewing device of claim 5 wherein the upper opening further has a screen positioned above the grate. 7. The brewing device of claim 1 wherein the steeping area has an enclosure configured and adapted to prevent the hot liquid and particulate matter from escaping laterally during steeping and operation of the vacuum source. 8. The brewing device of claim 7 wherein the filter is provided in the form of an elongated sheet material, further comprising a filter displacement mechanism configured and adapted to position successive portions of the filter above the upper opening for respective successive steepings, and wherein the enclosure is movable to a raised position to allow displacement of the filter and particulate matter after the respective successive steepings. 9. The brewing device of claim 8 further comprising a scraper fixedly positioned in a displacement path of the filter, after the steeping area, for separating the displaced particulate matter from the filter. 10. The brewing device of claim 1 wherein the vacuum source is positioned outside the vacuum chamber. 11. A method for controlling a infusion brewing device having a steeping area where particulate matter can be steeped in hot water on a filter for a given period of time to obtain a liquid infusion, and a vacuum chamber positioned below the steeping area and having an upper opening connected thereto, a hermetic wall, and an openable lower outlet, and a vacuum source having an inlet in the vacuum chamber, the method comprising: receiving an indication that the given period of time is reached; upon receiving the indication, commanding the vacuum source to draw gas from the vacuum chamber through the inlet, at a given inlet spacing distance from the wall, thereby drawing the liquid infusion successively through the filter and the upper opening, into the vacuum chamber. 12. The method of claim 11 further comprising: receiving an indication that the liquid infusion has been drawn into the vacuum chamber. 13. The method of claim 12 further comprising, subsequently to receiving the indication that the liquid infusion has been drawn into the vacuum chamber, commanding the vacuum source to stop drawing gas. 14. The method of claim 13 further comprising: commanding the lower outlet to open after the vacuum source has been stopped. 15. The method of claim 12 further comprising, subsequently to receiving the indication that the liquid infusion has been drawn into the vacuum chamber, commanding an enclosure of the steeping area to be raised. 16. The method of claim 15 further comprising, displacing the filter after the enclosure has been raised. 17. The method of claim 11 further comprising commanding to provide particulate matter and hot water into the steeping area, monitoring the amount of time during which the particulate matter is steeped in hot water in the steeping area, and determining when the given period of time is reached. 18. A infusion brewing device comprising a vacuum chamber having a hermetic wall, an upper opening and a closable lower outlet, and a vacuum conduit having an inlet in the vacuum chamber, above a maximum liquid level of the vacuum chamber, and an outlet connected to a vacuum source, the brewing device being CHARACTERIZED IN THAT the vacuum conduit inlet is spaced from the wall by a given inlet spacing distance. 19. The brewing device of claim 18 characterized in that the vacuum conduit has a tube having a re-entrant end in the vacuum chamber, the re-entrant end having the inlet. 20. The brewing device of claim 19 characterized in that a steeping area configured and adapted to receive a filter, particulate steeping material and hot liquid water for steeping the particulate steeping material into an infusion, is positioned above the vacuum chamber, in communication with the upper opening.
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