Structure of brewing chamber of coffee machine

• US 20060065128A1
• Filed: 09/22/2005
• Published: 03/30/2006
• Est. Priority Date: 09/29/2004
• Status: Abandoned Application

• Current Assignee: Delos Vending Machine Co., Ltd.
• Original Assignee: Delos Vending Machine Co., Ltd.
• Inventors: Lu, Kun-Mou
• Application Number:
  US11/233,579
• Publication Number:
  US 20060065128A1
• Time in Patent Office: Days
• US Class Current: 99/279
• CPC Class Codes: A47J 31/3609 Loose coffee being employed
• CPC Class Codes: A47J 31/3614 Means to perform transfer from a loading position to an infusing position
• CPC Class Codes: A47J 31/3619 Means to remove coffee after brewing

Abstract

An improved structure of brewing chamber of a coffee machine is disclosed by setting an intercepting device in an extracting pipe of a traditional brewing chamber of a coffee machine and two draining through-holes into the bottom of the traditional brewing chamber. Due to the intercepting device, the extracted coffee liquid coming from the brewing chamber can be drained off the extracting pipe with a stable speed and the coffee grain in the brewing chamber can be extracted in the conditions with an average extracting time and an average extracting pressure, and all that promote the extracting and tasting quality of the coffee. Besides, by the two draining through-holes, after all the extracted coffee liquid has been drained off the extracting pipe, the residual liquid in the brewing chamber can be drained off the brewing chamber smoothly to keep the next time extracted coffee liquid fresh.

Claims

1. A brewing chamber of the coffee machine, comprising:

a cylinder body having a hollow room, which is used to put the coffee powder and brew the coffee;

at least one pipe in the bottom of said cylinder body, wherein one side of said at least one pipe is connected to said cylinder body and said pipe is passed through the hollow room; and

an intercepting device disposed within said pipe, wherein said intercepting device is used to let the liquid within the cylinder body to have a intercepting effect.

2. The brewing chamber of claim 1, wherein said intercepting device comprising:

a spring disposed within said pipe, wherein one side of said spring is connected to said pipe; and

an intercepting piece disposed within said pipe, wherein said intercepting piece is fixed in the other side of the spring.

3. The brewing chamber of claim 1, wherein said intercepting piece stands high temperature and high pressure and won'"'"'t change the shape under the effect of the high temperature liquid in said pipe.

4. The brewing chamber of claim 3, wherein said intercepting piece is a cylinder ball and the diameter of said intercepting piece is smaller than the internal diameter of said pipe.

5. The brewing chamber of claim 4, wherein said intercepting piece is a magnetic ball.

6. A brewing chamber of the coffee machine, comprising:

a cylinder body having a hollow room, which is used to put the coffee powder and brew the coffee;

at least one pipe in the bottom of said cylinder body, wherein at least one side of said pipe is connected to said cylinder body and said pipe is passed through the hollow room; and

at least two draining through-holes disposed in said cylinder body, which is used to release the residual liquid of said hollow room, and wherein said two draining through-holes are respectively passed through said cylinder body and connected to said hollow room.

7. The brewing chamber of claim 6, further comprising:

a spring disposed within said pipe, wherein one side of said spring is fixed with said pipe; and

an intercepting piece disposed within said pipe, wherein said intercepting piece is disposed in the other side of said spring.

8. The brewing chamber of claim 6, wherein said two draining through-holes are disposed in the bottom of the cylinder body and passed through the bottom said cylinder body.

9. The brewing chamber of claim 6, wherein one of said two draining through-holes is in the bottom of said cylinder body and passed through the bottom of said cylinder body and the other one of said two draining through-holes is in one side of said cylinder body and passed through one side of said cylinder body.

10. The brewing chamber of claim 6, wherein said two draining through-holes are connected to the air.

11. The brewing device of the coffee machine, comprising

a brewing chamber having a cylinder body with a hollow room is used to put the coffee powder and brew the coffee;

at least one pipe in the bottom of said cylinder body and one side of said pipe is connected to said cylinder body and said pipe is passed through the hollow room; and

at least two draining through-holes disposed in said cylinder body and is used to release the residual liquid of said hollow room, and wherein said two draining through-holes are respectively passed through said cylinder body and connected to said hollow room;

a shaft passing through the shaft through-hole, wherein one side of said shaft is connected to the piston;

a piston having a plurality of filter holes, wherein said piston is disposed within said brewing chamber and is able to move in and out within said brewing chamber by pushing said shaft. When said piston is moved to the bottom of said brewing chamber, said piston can let the opening of said two draining through-hole close. And the liquid within said cylinder body can be flowed into said pipe from said plurality of filter holes.

13. The brewing device of claim 12, wherein said piston comprises a circle rubber ring. When said piston is moved to the bottom of said brewing chamber, said circle rubber ring let the opening of said two draining through-holes close. And the liquid within said cylinder body can be flowed into the center of said circle rubber ring and then to said pipe from said plurality of filter holes.

14. A method to let the extracting liquid of the brewing chamber of the coffee machine stable stably flow out, comprising:

providing a brewing chamber and wherein said brewing chamber has at least one extracting pipe, which is used to let the extracting liquid within said brewing chamber and flow out from said extracting pipe;

installing an intercepting device in the inside of said extracting pipe; and

when the extracting liquid is flowed into said extracting pipe from said brewing chamber, said intercepting device can be the stop for said extracting liquid and said extracting liquid can be flowed out from the surface of said extracting pipe.

15. The method to flow out said extracting liquid of claim 14, wherein:

Installing an intercepting device within said extracting pipe, just like installing a spring and an intercepting piece within said extracting pipe; and

when said extracting liquid is flowed into said extracting pipe from said brewing chamber, said intercepting piece will be the stop for the liquid flowing out from said brewing chamber. Said extracting liquid is flowed in the interval of said intercepting device and the side wall of said extracting pipe and flowed out said extracting pipe. And the portion energy of the liquid flowed out from said brewing chamber was absorbed by said spring.

16. A method to exclude the residual liquid with the brewing chamber of the coffee machine, comprising:

providing a brewing chamber, wherein said brewing chamber has a hollow room and at least one extracting pipe. And said brewing chamber is used to put the coffee powder and brew coffee;

disposing at least two draining through-holes in said brewing chamber and wherein said two draining through-holes are respectively passed through said brewing chamber and connected to said hollow room; and

when the extracting coffee liquid within said brewing chamber is excluded by said extracting pipe and there is some residual liquid generated within said brewing chamber. Because of the different pressure, the air in the outside of said brewing chamber can be entered said brewing chamber from one of said two draining through-holes and said residual liquid can be flowed out from the other one of said two draining through-holes.