[특허]Apparatus for preparing a beverage suitable for consumption, such as coffee

Koninklijke Philips Electronics N.V.

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Apparatus for preparing a beverage suitable for consumption, such as coffee

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47J-031/00
미국특허분류(USC)	099/283; 099/293; 099/300; 137/501; 137/512.3
출원번호	US-0480075 (2002-06-10)
등록번호	US-7415921 (2008-08-26)
국제출원번호	PCT/NL02/000377 (2002-06-10)
§371/§102 date	20040823 (20040823)
국제공개번호	WO02/100227 (2002-12-19)
발명자 / 주소	Brouwer,Gustaaf Frans
출원인 / 주소	Koninklijke Philips Electronics N.V.
인용정보	피인용 횟수 : 5 인용 특허 : 4

초록
▼

An apparatus for preparing a beverage provided with a storage tank, a heater and a three-way valve. The three-way valve is provided with in inlet, a first outlet and a second outlet. The three-way valve is provided with a first member which is freely movable between a first and second extreme position wherein the first member can move under the influence of the liquid flow from the inlet to the first outlet and/or the second outlet from the first extreme position towards the second extreme position and in the second extreme position closes off the first outlet so that the liquid flow then extends from the inlet to the second outlet. The three-way valve is further provided with a second member which is freely moveable under the influence of a liquid flow from the inlet to the second outlet between a third and fourth extreme position wherein the second member, under the influence of the liquid flow from the inlet to the second outlet, moves from the third extreme position to the fourth extreme position and in the third extreme position blocks a liquid flow from the second outlet in the direction of the inlet.

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청구항
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The invention claimed is: 1. An apparatus for preparing at least one type of beverage suitable for consumption such as coffee or cocoa on the basis of a hot liquid such as water, provided with a storage tank which, in use, is filled with a liquid such as water, a heater and a three-way valve, wherein the three-way valve is provided with an inlet, a first outlet and a second outlet, a pump being in fluid communication with the storage tank and an inlet of the heater for pumping the liquid from the storage tank to the heater and wherein an outlet of the heater is in fluid communication with the inlet of the three-way valve, the first outlet of the three-way valve being in fluid communication via a first outflow path with the storage tank and/or an inlet of the pump for returning liquid from the three-way valve to the storage tank and/or the pump and wherein the second outlet of the three-way valve is in fluid communication via a second outflow path with a beverage preparing unit for preparing, on the basis of the hot liquid, the beverage suitable for consumption, the three-way valve being provided with a first member which is freely moveable, under the influence of a liquid flow from the inlet to the first outlet and/or the second outlet, between a first and second extreme position, wherein the first member can move, under the influence of the liquid flow from the inlet to the first outlet and/or the second outlet from the first extreme position towards the second extreme position and in the second extreme position closes off the first outlet, so that the liquid flow then extends from the inlet to the second outlet, characterized in that the three-way valve is further provided with a second member which is freely moveable, under the influence of a liquid flow from the inlet to the second outlet, between a third and a fourth extreme position, wherein the second member can move, under the influence of the liquid flow from the inlet to the second outlet, from the third extreme position towards the fourth extreme position, and in the third extreme position blocks a liquid flow from the second outlet in the direction of the inlet. 2. An apparatus according to claim 1, characterized in that the three-way valve is disposed in one single housing. 3. An apparatus according to claim 1, characterized in that the three-way valve is provided with a first compartment in which the first member is situated, a second compartment in which the second member is situated and a fluid communication between the first and second compartment. 4. An apparatus according to claim 3, characterized in that the first compartment is provided with the inlet and the first outlet. 5. An apparatus according to claim 3, wherein the second compartment is provided with the second outlet. 6. An apparatus according to claim 4, wherein an inflow opening of the fluid communication in the first compartment is located between the inlet and the first outlet. 7. An apparatus according to claim 6, wherein the first member and the first compartment are configured such that when the first member is in the second extreme position with the first outlet closed off, a liquid flow from the inlet to the second outlet extends through a part of the first compartment situated between the first member and the inlet. 8. An apparatus according to claim 3, wherein the first and second compartment are separated from each other by means of a dividing wall while the fluid communication extends through the dividing wall. 9. An apparatus according to claim 7, wherein said part of the first compartment comprises the inflow opening of the fluid communication. 10. An apparatus according to claim 1, wherein the three-way valve allows a liquid flow from the inlet to the first outlet when the first member is not in the second extreme position. 11. An apparatus according to claim 1, wherein the three-way valve allows a liquid flow from the inlet to the second outlet when the second member is not in the third extreme position. 12. An apparatus according to claim 1, wherein the first member is of cylindrical design. 13. An apparatus according to claim 1, wherein the second member is of convex design. 14. An apparatus according to claim 1, wherein the first member is heavier than the second member. 15. An apparatus according to claim 1, wherein a flow resistance of the first outflow is smaller than a flow resistance of the second outflow in combination with the beverage preparing unit. 16. An apparatus according to claim 1, wherein the first member is designed as a freely moveable circumferential edge of a first flexible umbrella valve and the three-way valve is provided with a first seat for the first umbrella valve wherein the first umbrella valve is connected to the first seat and the first seat is provided with at least one groove wherein in the first extreme position the circumferential edge of the first umbrella valve abuts against the first seat and extends over the groove so that a space is present between the circumferential edge of the first umbrella valve and the groove, which space releases a liquid flow from the inlet to the first outlet and wherein in the second extreme position the circumferential edge of the first umbrella valve abuts against the seat and extends into the groove so that the circumferential edge closes off the first outlet. 17. An apparatus according to claim 16, characterized in that in the second extreme position the circumferential edge of the first umbrella valve abuts against the seat and the bottom of the groove. 18. An apparatus according to claim 16, characterized in that the first umbrella valve is situated in a liquid flow path extending between the inlet and the first outlet. 19. An apparatus according to claim 18, characterized in that the first umbrella valve has a convex outer surface facing away from the first outlet. 20. An apparatus according to any claim 16, wherein the second member is designed as a freely moveable circumferential edge of a second flexible umbrella valve and the three-way valve is provided with a second seat for the second umbrella valve wherein the second umbrella valve is connected to the second seat, while in the third extreme position the circumferential edge of the second umbrella valve abuts against the second seat and blocks a liquid flow from the second outlet in the direction of the inlet and wherein in the fourth extreme position an intermediate space is present between the circumferential edge of the second umbrella valve and the second seat. 21. An apparatus according to claim 20, characterized in that the second umbrella valve is situated in a liquid flow path extending between the inlet and the second outlet. 22. An apparatus according to claim 21, characterized in that the second umbrella valve has a convex outer surface facing towards the second outlet. 23. An apparatus according to claim 1, wherein from the inlet to the first member and from the inlet to the second member non-closable fluid flow paths are present. 24. A three-way valve provided with an inlet, a first outlet and a second outlet wherein the three-way valve is provided with a first member which is freely moveable, under the influence of a liquid flow from the inlet to the first outlet and/or the second outlet, between a first and second extreme position wherein the first member can move, under the influence of the liquid flow from the inlet to the first outlet and/or the second outlet, from the first extreme position towards the second extreme position and in the second extreme position closes off the first outlet so that the liquid flow then extends from the inlet to the second outlet, characterized in that the three-way valve is further provided with a second member which is freely moveable, under the influence of a liquid flow from the inlet to the second outlet, between a third and fourth extreme position wherein the second member can move, under the influence of the liquid flow from the inlet to the second outlet, from the third extreme position in the direction of the fourth extreme position and in the third extreme position blocks a liquid flow from the second outlet in the direction of the inlet, wherein the first member is designed as a freely moveable circumferential edge of a first flexible umbrella valve and the first outlet is provided with a first seat for the first umbrella valve, the first umbrella valve being connected with the first outlet and the first seat being provided with a groove while in the first extreme position the circumferential edge of the first umbrella valve abuts against the first seat and extends over the groove so that a space is present between the circumferential edge of the first umbrella valve and the groove, which space releases a liquid flow from the inlet to the first outlet and wherein in the second extreme position the circumferential edge of the first umbrella valve abuts against the seat and extends in the groove so that the circumferential edge closes off the first outlet. 25. A three-way valve according to claim 24, characterized in that in the second extreme position the circumferential edge of the first umbrella valve abuts against the seat and the bottom of the groove. 26. A three-way valve according to claim 24, characterized in that the first umbrella valve is in a liquid flow path extending between the inlet and the first outlet. 27. A three-way valve according to claim 26, characterized in that the first umbrella valve has a convex outer surface facing away from the first outlet. 28. A three-way valve according to claim 24, wherein the second member is designed as a freely moveable circumferential edge of a second flexible umbrella valve and the second outlet is provided with a second seat for the second umbrella valve while the second umbrella valve is connected to the second seat wherein in the third extreme position the circumferential edge of the second umbrella valve abuts against the second seat and blocks a liquid flow from the second outlet in the direction of the inlet and wherein in the fourth extreme position an intermediate space is present between the circumferential edge of the second umbrella valve and the second seat. 29. A three-way valve according to claim 28, characterized in that the second umbrella valve is located in a liquid flow path extending between the inlet and the second outlet. 30. A three-way valve according to claim 29, characterized in that the second umbrella valve has a convex outer surface facing towards the second outlet. 31. A three-way valve according to claim 24, wherein from the inlet to the first member and from the inlet to the second member non-) closable fluid flow paths are present.

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Apparatus for preparing a beverage suitable for consumption, such as coffee

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이 특허에 인용된 특허 (4)

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Apparatus for preparing a beverage suitable for consumption, such as coffee

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이 특허에 인용된 특허 (4)

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