JP2810564B2 - Drip coffee maker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water tank for storing water, a heating pipe comprising a heating pipe through which the water in the water tank is led, and a heater for heating the water in the heating pipe. A rising pipe for guiding heated hot water to a coffee basket containing coffee grounds, a discharge pipe for supplying hot water guided by the rising pipe from above the coffee basket, and receiving coffee liquid from the coffee basket. The present invention relates to a drip coffee maker including a coffee receiver.

[0002]

2. Description of the Related Art An example of a conventional drip coffee maker will be described. A conventional drip coffee maker is provided with a water tank 32 for storing water in a main body 31.
The bottom is provided a water shut-off valve 33 and the check valve 34, the above body 31 of the heating member 37 consisting of the heater 36 the water of the water tank 32 to heat the water heating pipe 35 and the heating pipe 35 is guided And a rising pipe 39 for guiding the hot water heated by the heating element 37 to the coffee basket 38 containing the coffee powder. The hot water guided by the rising pipe 39 is supplied to the coffee basket 38. A discharge pipe 40 for supplying from above is provided, and a coffee receiver 41 for receiving the coffee liquid from the coffee basket 38 is provided.

[0003] The coffee receiver 41 is mounted on the heating element 37, and the coffee basket 38 is mounted on the coffee receiver 41. The diffusion plate 42 is provided so that the hot water supplied from the discharge pipe 40 is diffused into the upper opening of the coffee basket 38 and poured into a wide range of coffee powder.

[0004] As such a diffusion plate 42, there are various types (A) using an inclination (B) and using an impeller. 5 and 6, the diffuser plate 42 is formed in a mountain shape, and hot water is supplied to the top 43 from the discharge pipe 40, and the surrounding inclined surface is formed. The hot water flowed along the surface, and the hot water was sprayed onto the coffee powder in the coffee basket 38 from the holes 44 provided around the surface.

As shown in FIGS. 7 and 8, an inclined surface is formed from the top 43 to which hot water is supplied to one side, a bottom 45 is formed at the lowermost end of the inclined surface, and a hole 46 is formed in the bottom 45. And hot water was sprinkled through the holes 46.

As shown in FIG. 9, in the case where an impeller is used for the diffusion plate 41, hot water supplied from a discharge pipe 40 hits a blade 48 of the impeller 47, and the impeller 47 rotates to sprinkle hot water. Was.

[0007]

However, in the case where the inclined plate is used for the diffusion plate, the diffusion state of the hot water supplied from the discharge pipe tends to be partially offset. This is because the discharge state of hot water from the discharge pipe is intermittent discharge according to the repeated generation operation of the vapor pressure in the heating body,
This is because the amount of hot water discharged at one time is small, so that it is not possible to provide many water passages in the diffusion plate, and the hot water is diffused within a narrow range. At this time, the amount of hot water to be discharged at a time is small, and it is for 5 cups (about 650 cc) until the entire amount of hot water is discharged.
It took about 7 minutes with 0W. However, when the coffee extraction time is long, the bitterness in the coffee particles is extracted, and a delicious coffee cannot be obtained.

[0008] Therefore, in order to extract delicious coffee, a sufficient amount of hot water is poured (supplied) into the coffee powder in a short time (about 3 minutes) to inflate the coffee powder and efficiently extract the active ingredients of the coffee, thereby making the coffee effective. Can be obtained.

However, if a large amount (hot) of hot water is supplied to the conventional diffusion plate utilizing the inclination, the effect of the diffusion plate is not sufficiently exhibited, and the diffusion state of the hot water becomes more deviated. In addition, the holes of the diffusion plate were closed, and the extraction time could not be reduced. In addition, the location of the main unit, coffee basket,
The diffusion plate is tilted depending on how the receiver and diffusion plate are set.
When the hot water is in a diffused state
Become. Also, even in the case of using the impeller, if a large amount of hot water is supplied, the rotation of the impeller becomes too fast, the efficiency of water spray on the blade is deteriorated, and the hot water is supplied in a biased state.

[0010] The drip coffee maker of the present invention has been made in view of the above-mentioned problems, and a large amount of hot water is smoothly and widely poured into the coffee maker to shorten the extraction time, and the extraction step is made closer to the hand drip extraction method. thereby enabling extraction delicious coffee as, shape inclined diffusion plate
Sprinkle water over a wide area of the coffee basket
The purpose is to make it possible to extract good coffee .

[0011]

SUMMARY OF THE INVENTION In order to solve the above problems, a drip coffee maker according to the present invention comprises a water tank for storing water, a heating pipe through which water in the water tank is led, and the heating pipe. A heating element comprising a heater for heating water in the inside; a rising pipe for guiding hot water heated by the heating element to a coffee basket containing coffee powder; and a hot water guided by the rising pipe to the coffee basket. A discharge pipe supplied from above, and a coffee receiver for receiving coffee liquid from the coffee basket , wherein the coffee basket is covered between the discharge pipe and the coffee basket;
Order from the upstream side of the bottom of the horizontal spiral inclined waterways and water passage leading to the downstream side receives the supplied hot water in the upstream side to the downstream side
It is disposed diffusing plate and a next provided with a plurality of holes. Further, an upper surface provided at the bottom of the water channel of the diffusion plate.
The diameter of the hole on the flow side is formed smaller than the diameter of the hole on the downstream side .

[0012]

In the drip coffee maker having the above-described structure, the hot water supplied from the discharge pipe is a horizontal spiral inclined water.
Since the water flows from the upstream side to the downstream side of the road, the flow of the hot water becomes smooth on average, shortening the hot water supply time , and the coffee bath even when the diffusion plate is inclined.
Hot water can be sprinkled over a wide area of the ket .

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A drip coffee maker according to an embodiment of the present invention will be described. A drip coffee maker according to the present invention has a main body 1 formed of a base 2 and an eave portion 3, and water is detachably attached to the base 2. A water receiver 4 is provided between the base 2 and the eaves 3, and a coffee receiver 8 on which a coffee basket 7 for storing a coffee powder 6 with a paper filter medium 5 set therein is mounted. It is location.

A water stop valve 9 is provided at the bottom of the water tank 4 so that water in the water tank 4 connected to the water tank 4 can be used.
A heating pipe 10 to be guided is provided on the base 2, a heater 11 for heating water in the heating pipe 10 is provided, and a heating body 12 on which the coffee receiver 8 is mounted by the heating pipe 10 and the heater 11. formed, a check valve 13 is provided at an end portion of the water tank 4 side of the pressurized Netsupa type 10. A rising pipe 14 for guiding the heated hot water to the coffee basket 7 on the outflow side of the heating pipe 10 is connected. The rising pipe 14 is provided from the base 2 to the eaves 3, and a discharge pipe 15 that supplies (pours) hot water to the coffee basket 7 is connected to a tip of the rising pipe 14.

At the upper opening of the coffee basket 7, a basket lid 16 also serving as a diffusion plate is detachably provided. A spiral water channel 17 is provided in the basket lid 16, and a plurality of holes 18 are provided at the bottom of the spiral water channel 17. The holes 18 have a diameter (dimension) such that hot water can be poured into the coffee basket 7 from each hole 18 on average.
Are formed in different sizes. Further, the shape of the hole 18 may be not only a round hole but also an oval. For example, the hole 1
8 at the starting point of the spiral water channel 17 (discharge pipe 1
On the other hand, hot water can be poured on average by forming it sequentially from the fifth side to the end point.

Next, coffee extraction by the drip coffee maker having the above configuration will be described. First, the filter medium 5 is put in the coffee basket 7, for example, 5 cups of coffee powder 6 is put in the filter medium 5, the basket lid 16 is set, the coffee basket 7 is placed on the coffee receiver 8, and the heating element 12 is placed. Place the coffee receiver 8 on the lip. When the water tank 4 containing 5 cups of water is set in the main body 1, the water in the water tank 4 is guided to the heating pipe 10 through the water stop valve 9 and the check valve 13, and is at the same water level as the water tank 4. Up to the rising pipe 14.

When a switch (not shown) provided on the main body 1 is turned on, the heater 11 of the heating body 12 is energized to heat the water in the heating pipe 10, and the water in the heating pipe 10 is heated. When the water boils, the steam pressure in the heating pipe 10 increases, and the water pressure in the heating pipe 10 is pushed up to the rising pipe 14 by the steam pressure, and the hot water is poured from the discharge pipe 15 into the basket lid 16 of the coffee basket 7. .

The basket lid 16 also functions as a hot water diffusion plate, and is formed from the discharge pipe 15 to the spiral water channel 1.
When hot water is poured at the starting point of 7, the hot water flows toward the end point of the spiral water channel 17. The flow at this time is smooth because it flows through a long spiral water path 17, and hot water is efficiently poured into the coffee powder 6 from the hole 18 of the water path 17, whereby the coffee liquid is extracted and the coffee reception is performed. Delicious coffee stored in the container 8 can be extracted.

[0019]

As described above, the drip coffee maker of the present invention has an arrangement as described above, so that even if a large amount of arrhythmic hot water is poured from the discharge pipe, an average smooth flow can be obtained in the long horizontal spiral water channel. So that the coffee powder can be stably and efficiently poured from the hole into the coffee grounds, and has a horizontal spiral inclination.
It has an inclined channel and a plurality of holes provided at the bottom of the channel.
Even if the diffuser is tilted by the diffuser,
The spread of hot water is not uneven,
It is possible to pouring hot water over a wide range, coffee Mae
Location of mosquitoes, coffee basket, coffee receiver,
The diffuser is tilted due to the inclination of the setting of the diffuser etc.
Even if it is in a state, it is possible to sufficiently disperse the coffee powder in a wide range, and it is possible to extract delicious coffee which is close to the hand drip extraction method. In addition, since it has a long horizontal spiral water path, volatile calcium components can be removed, and more delicious coffee can be extracted.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a drip coffee maker according to the present invention.

FIG. 2 is an enlarged plan view showing a basket lid of the drip coffee maker of the present invention.

FIG. 3 is a sectional view showing a basket lid of the drip coffee maker of the present invention.

FIG. 4 is a sectional view showing an example of a conventional drip-type coffee maker.

FIG. 5 is a perspective view showing an example of a diffusion plate (basket lid) using the inclination of a conventional drip coffee maker.

FIG. 6 is a cross-sectional view showing an example of a diffusion plate using the inclination of a conventional drip coffee maker.

FIG. 7 is a perspective view showing another example of a diffusion plate using the inclination of a conventional drip coffee maker.

FIG. 8 is a cross-sectional view showing another example of a diffusion plate using the inclination of a conventional drip coffee maker.

FIG. 9 is a cross-sectional view showing an example of a diffusion plate using an impeller of a conventional drip coffee maker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Base 3 Eave part 4 Water tank 6 Coffee powder 7 Coffee basket 8 Coffee receiver 9 Water stop valve 10 Superheat pipe 11 Heater 12 Heating body 13 Check valve 14 Water rising pipe 15 Discharge pipe 16 Basket lid 17 Spiral shape 18 waterways

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Koichi Tanaka 22-22 Nagaikecho, Abeno-ku, Osaka-shi Inside Sharpe Co., Ltd. (56) References Japanese Utility Model 1988-163163 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) A47J 31/00-31/60

Claims (2)

(57) [Claims] 1. A heating tank comprising a water tank for storing water, a heating pipe through which the water in the water tank is led, and a heater for heating the water in the heating pipe. A rising pipe leading to a coffee basket containing the powder, a discharge pipe for supplying hot water led by the rising pipe from above the coffee basket,
A drip coffee maker comprising: a coffee receiver for receiving a coffee liquid from the coffee basket ;
Covers the coffee basket and is supplied from the discharge pipe
Horizontal swirling slope that receives hot water on the upstream side and guides it to the downstream side
Waterways and water channel bottom drip coffee maker being characterized in that disposed a diffuser plate having a plurality of holes are sequentially provided from the upstream side to the downstream side of the. 2. A diffusion plate provided at a bottom of the water channel of the diffusion plate.
2. The drip coffee maker according to claim 1, wherein the diameter of the upstream hole is smaller than the diameter of the downstream hole .