JP2001321271A - Coffee maker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain high temperature coffee liquid from the beginning of pouring of hot water by solving a problem of an existing coffee maker that hot water at the beginning of pouring is not heated sufficiently and therefore a desired high temperature coffee liquid cannot be obtained in extracting the coffee liquid by the coffee maker. SOLUTION: In the coffee maker, a basket 4 for extracting coffee is mounted on a main body 1 of the coffee maker, and a spout 7 of a hot water pipe 6 is disposed to face the top of the basket 4. A setting part 2 for setting a jug 12 is disposed under an extraction port 16 of the basket 4. The coffee maker also has a pre-heating room 11 on the outer surface of the basket 4, and steam as a heating medium is supplied to the pre-heating room 11 through a steam pipe 9 before hot water for extraction is poured from the spout 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee maker, and more particularly to a countermeasure against a high extraction temperature.

[0002]

2. Description of the Related Art Generally, a coffee maker is provided with a basket for extracting coffee liquid in a coffee maker body,
Face the outlet of the hot water supply pipe above the basket,
A jug installation section is provided below the extraction opening of the basket. The above hot water supply pipe is connected to a heating unit, and water is supplied to the heating unit from a water tank. A paper filter is laid on the basket, coffee grounds are put into the basket, a jack is installed on the installation section, coffee liquid is extracted with hot water supplied from a hot water supply pipe, and the coffee liquid is dropped on the jug.

[0003]

In the above-described conventional coffee maker, when water is supplied to the water tank, a part of the water stays in a part of the hot water supply pipe beyond the heating part. For this reason, even if the heating unit is energized to boil the internal hot water, the water staying in the hot water supply pipe is mixed with the hot water in the heating chamber and discharged without being heated. Also,
Since the basket and the coffee grounds are at room temperature, they also remove heat. For this reason, the temperature of the coffee liquid at the beginning of the extraction may not reach the desired high temperature (85 ° C. to 90 ° C.).

[0004] Therefore, an object of the present invention is to provide a coffee maker in which a high-temperature countermeasure is taken so that a sufficiently high-temperature coffee liquid can be obtained from the beginning of extraction.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a coffee maker body with a basket for extracting coffee, with a discharge port of a hot water supply pipe facing above the basket, and In the coffee maker having a jug installation portion below the extraction port, a configuration was adopted in which a supply pipe for a heating medium for preheating was attached to the basket.

More specifically, a preheating chamber is provided on the outer periphery of the basket, and a supply pipe for the heating medium is connected to the preheating chamber. A steam generating section is provided in the main body of the coffee maker. It is possible to adopt a configuration in which steam generated in the generator is used as the heating medium.

[0007] According to the above configuration, the basket and the coffee powder put in the basket are preheated, and the heat increases the temperature of the hot water at the beginning of discharge, so that a desired high-temperature coffee liquid can be extracted. it can.

Further, as another configuration, a basket for extracting coffee is provided in the main body of the coffee maker, and a discharge port of a hot water supply pipe is exposed above the basket, and a jug installation section is provided below the extraction port of the basket. In the coffee maker provided with, a partition wall lower than the upper peripheral edge of the peripheral wall of the basket is provided inside the basket, an extraction part communicating with the extraction port is defined inside and outside by the partition wall, and a preheating chamber is provided outside. A configuration may be adopted in which the discharge port of the hot water supply pipe faces the preheating chamber, and the hot water supplied to the preheating chamber overflows to the extraction unit.

In this case, a water tank is provided in the main body of the coffee maker, and hot water is supplied from the water pipe to the hot water supply pipe via a heating section. The lower part of the water tank and the preheating chamber is connected by the hot water supply pipe. A configuration connected by a small diameter return pipe can be adopted.

According to the above configuration, preheating can be performed using hot water from a hot water supply pipe, so that there is an advantage that a heat source for preheating is not required. In addition, it is possible to perform preheating in advance without performing special control, and then shift to extraction.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. In the coffee maker according to the first embodiment shown in FIGS. 1 and 2, an installation part 2 is provided on a coffee maker main body 1, and the coffee maker protrudes above the water tank 3 and the installation part 2 above the coffee maker main body 1. A basket 4 for coffee extraction is provided. A heating unit 5 for hot water supply (see FIG. 2) is connected to the water tank 3, a hot water supply pipe 6 extends from the heating unit 5 onto the basket 4, and a discharge port 7 of the hot water supply pipe 6 faces the basket 4. I have.

A steam generating section 8 is connected to the water tank 3, and a steam supply pipe 9 as a preheating medium extends from the steam generating section 8 and is connected to a preheating chamber 11 provided on the outer periphery of the basket 4. Is done. The steam generating section 8 is provided inside the installation section 2, and also serves to keep the jug 12 placed on the installation section 2 warm.

An upper end of a guide tube 14 for preventing the spilling of the extract is attached to the lower surface of the lid 13 of the jug 12.
The opening 15 provided in the lid 13 is the extraction port 1 of the basket 4
6 below. A floating lid 17 for preventing oxidation is inserted into the guide cylinder 14 so as to be vertically movable.

The preheating chamber 11 is provided with a steam discharge port 18.
May be provided.

The coffee maker of the first embodiment is as described above. To extract the coffee liquid by this, water is poured into the water tank 3 as usual, and the paper filter 19 is laid on the basket 4 and the coffee grounds are laid. Insert Installation part 2
The jug 12 is placed on the. Next, the heating unit 5 and the steam generation unit 8 are energized, and the heating unit 5 boils hot water for coffee extraction. In the steam generating section 8, the hot water is boiled to generate steam for preheating. The generated steam is supplied to the preheating chamber 11 through the supply pipe 9, and preheats the basket 4 and the coffee powder and the like in the basket 4. Temporal control is performed so that the generation of steam for preheating precedes the discharge of hot water for extraction.

When the preheating of the basket 4 is completed, hot water is discharged from the discharge port 7 of the hot water supply pipe 6,
The coffee liquid is extracted in the basket 4. In this case, the initial hot water discharged from the hot water supply pipe 6 is not necessarily high in temperature, but is supplemented by the heat of the preheated basket 4 and coffee powder, and the coffee liquid dropped on the jug 12 has a high temperature at the time of drinking. Become.

It is to be noted that the preheating chamber 11 may be omitted and the tip of the supply pipe 9 may be directly inserted into the upper part of the basket 4 as shown by a dashed line in FIG. The preheating of the coffee powder and the like inside can be performed.

Next, in the coffee maker according to the second embodiment shown in FIG. 3, the installation section 2 is provided on the coffee maker main body 1 as in the above-described case, and a water tank is provided on the upper part of the coffee maker main body 1. A basket 4 for extracting coffee is provided so as to protrude above the container 3 and the installation part 2. A heating unit 20 is provided inside the installation unit 2. Water tank 3 above
The hot water supply pipe 21 connected to the heater 4 is heated halfway through the heating unit 20, and the discharge port 22 faces the upper part of the basket 4.

The basket 4 is formed in an inverted conical shape, and a conical partition wall 23 is provided therein. The lower part of the partition wall 23 is integrated with the lower part of the basket 4, and an extraction port 25 protruding downward is formed at the lower end part. A preheating chamber 26 is formed on the outside that is partitioned into the inside and outside by the partition 23, and an extraction unit 27 is formed inside the partition 23. Preheating chamber 26
A return pipe 28 is connected between the lower end of the water tank 3 and the water tank 3. This return pipe 28 is smaller in diameter than the diameter of the hot water supply pipe 21.

The upper edge of the partition 23 is formed lower than the upper edge of the basket 4 by a dimension a. The discharge port 22 of the hot water supply pipe 21 faces between the upper edge of the partition wall 23 and the upper edge of the basket 4, that is, the upper part of the preheating chamber 26.

The second embodiment is as described above.
When the coffee liquid is extracted by boiling the water as usual, a paper filter 19 is placed on the extraction unit 27, and the coffee powder is added. The jug 12 is placed on the installation section 2. Hot water flowing out of the discharge port 22 of the hot water supply pipe 21 first flows into the preheating chamber 26. A part of the inflowing hot water returns from the return pipe 28 into the water tank 3, but since the return pipe 28 has a smaller diameter than the hot water supply pipe 21, the hot water gradually accumulates in the preheating chamber 26, and finally the inside of the partition wall 23. To extract the coffee liquid.

As described above, the discharge port 22 of the hot water supply pipe 21
The hot water that has flowed out first flows into the preheating chamber 26, so that the basket 4 and the coffee powder and the like inside the basket 4 are preheated before the extraction of the coffee liquid. The heat makes the heat of the hot water at the beginning of discharge a desired high temperature.

Also, the temperature of the hot water discharged from the hot water supply pipe 21 gradually increases due to the hot water returned to the water tank 3 via the return pipe 28, so that the temperature of the hot water discharged from the hot water supply pipe 21 gradually increases. Can be extracted.

[0024]

As described above, according to the present invention, the temperature of the hot water of the extract can be increased by preheating the basket and adding the heat to the hot water at the beginning of the discharge for extracting the coffee liquid. Thereby, it is possible to provide a high-temperature coffee liquid that is easy to drink.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a coffee maker according to a first embodiment.

FIG. 2 is a piping diagram of the above.

FIG. 3 is a sectional view of a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Coffee maker main body 2 Installation part 3 Water tank 4 Basket 5 Heating part 6 Hot water supply pipe 7 Discharge port 8 Steam generation part 9 Supply pipe 11 Preheating chamber 12 Jug 13 Lid 14 Guide cylinder 15 Opening 16 Extraction port 17 Floating lid 18 Steam exhaust port 19 Paper Filter 20 Heating Unit 21 Hot Water Supply Pipe 22 Discharge Port 23 Partition Wall 25 Extraction Port 26 Preheating Chamber 27 Extraction Unit 28 Return Pipe

Continued on the front page (72) Inventor Masaaki Tobe 1-20-5 Tenma, Kita-ku, Osaka City Inside Zojirushi Mahobin Co., Ltd. (72) Inventor Masahiro Yoshida 1-20-5 Tenma, Kita-ku, Osaka City Zojirushi Mahobin Incorporated (72) Inventor Tsutomu Nishikawa 1-20-5 Tenma, Kita-ku, Osaka Zojirushi Mahobin Co., Ltd. F-term (reference) 4B004 AA12 BA02 BA06 BA09 BA10 BA12 BA14 BA22 BA42 BA43

Claims (5)

[Claims] 1. A coffee maker comprising: a coffee extraction basket provided in a coffee maker main body, a discharge port of a hot water supply pipe facing above the basket, and a jug installation portion provided below the basket extraction port. A coffee maker, wherein a supply pipe for a heating medium for preheating is attached to the basket. 2. A preheating chamber is provided on an outer periphery of the basket,
The coffee maker according to claim 1, wherein the heating medium supply pipe is connected to the preheating chamber. 3. The coffee maker according to claim 1, wherein a steam generator is provided in the coffee maker main body, and steam generated in the steam generator is used as the heating medium. 4. A coffee maker comprising a coffee brewing basket provided in a coffee maker main body, a discharge port of a hot water supply pipe facing above the basket, and a jug installation portion provided below the basket brewing port. A partition wall lower than the upper edge of the peripheral wall of the basket is provided inside the basket, an extraction section communicating with the extraction port is defined inside and outside by the partition wall, and a preheating chamber is provided outside.
A coffee maker, wherein a discharge port of the hot water supply pipe faces the preheating chamber, and hot water supplied to the preheating chamber overflows to the extraction unit. 5. A water tank is provided in the main body of the coffee maker, and hot water is supplied from the water pipe to the hot water supply pipe via a heating unit. The lower part of the water tank and the preheating chamber is connected to the hot water supply pipe by the hot water supply pipe. The coffee maker according to claim 4, wherein the coffee maker is connected by a small diameter return pipe.