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    • 2. 发明专利
    • DIRECT-FIRED WATER HEATER
    • JPH04225751A
    • 1992-08-14
    • JP41448390
    • 1990-12-26
    • DOWA CO
    • MIYAHARA KINGO
    • F24H1/10F28F13/00
    • PURPOSE:To obtain a large quantity of hot water with high temperature quickly by making circulation of an ascending combustion hot air smoother and promoting the heat exchanging reaction between a cold water and combustion hot air. CONSTITUTION:Ventilation passages 7, 7a, 7c, which go through and open in the vertical direction, are respectively provided on a heat exchanging porous body 6 which is arranged in an endothermic chamber 2, and a plurality of heat exchanging porous bodies 6a, 6b which are stacked into a piled up condition in the endothermic chamber 2, and heat exchanging porous bodies 6a, 6b or 6c which are arranged on the top and bottom through a hot air dispersion chamber 16. At the same time, the opening diameter of the previously mentioned ventilation passage 7a is formed larger than that of the ventilation passage 7b, and in addition, they are opened moving the phases so that they are not overlapped to each other.
    • 4. 发明专利
    • SNOW MELTING DEVICE
    • JPH02232408A
    • 1990-09-14
    • JP5331189
    • 1989-03-06
    • DOWA CO
    • MIYAHARA KINGO
    • E01H5/10
    • PURPOSE:To contrive to increase snow melting capacity by vertically installing, to a main body of a snow-melting device in open-top structure, a water-collecting chamber, a combustion chamber for a burner and a snow-melting chamber respectively at the lower, the middle and the upper stages of the main body in a way that they are communicated one another, and by extensively incorporating water sprinkling members to the upper and the lower parts of the snow-melting chamber. CONSTITUTION:In a main body 1 of a snow-melting device constructed in open-top structure, a snow-melting chamber 2, a combustion chamber 3 for a burner 5 and a water-collecting chamber 4 are installed respectively at the upper, the middle and the lower stages in vertical structure so that all the chambers are communicated one another. A hollow pipe 6 supporting grates that are horizontally installed in parallel at the boundary between the snow-melting chamber 2 and the combustion chamber 3 is connected at its base-end side to a blower 7 and at its front-end side to an air inlet 8 of the burner 5, and air is blown out thereby to the combustion chamber 3. A plurality of the grates 9 installed over the grate-supporting pipe 6 divide the snow-melting chamber 2 from the combustion chamber 3. A water sprinkler 10 composed of upper sprinkling members 11 and lower sprinkling members 12 is extensively incorporated in the snow-melting chamber 2. With such arrangement of devices, uniformed blast of hot air becomes available and snow thrown into the device can be melted uniformly.
    • 6. 发明专利
    • METHOD FOR MELTING SNOW AND DEVICE THEREOF
    • JPH02171408A
    • 1990-07-03
    • JP32834888
    • 1988-12-26
    • DOWA CO
    • MIYAHARA KINGO
    • E01H5/10
    • PURPOSE:To aim at promotion of snow melting effect by heating snow water stored in a water collection chamber by burning heat to raise its temperature while the snow water passes through a water passage pipe and then sprinkling the snow water from a sprinkler in the upper space of a snow melting chamber. CONSTITUTION:A burner 5 is burned and simultaneously a large quantity of snow is thrown in a snow melting chamber 2 via a hopper 20. Burning hot air in the burner 5 is passed through roaster 7 laid on a water passage pipe 6 while heating heat absorbing materials 18 to be raised. Snow is melted by direct heating action of the burning hot air and the heating action of the heat absorbing materials 18 to be dropped through a burning chamber 3 and to be stored in a water collection chamber 4. When snow water in the water collecting chamber reaches a predetermined water level, a pump 12 is operated to pump the snow water to be supplied to the water passage pipe 6. Moreover, the snow water is supplied under pressure to a water sprinkler 10 to be sprinkled from a large number of sprinkle holes to snow in the snow melting chambers 2.
    • 7. 发明专利
    • WARMING, HEATING AND COOKING METHOD FOR FOOD AND DEVICE THEREOF
    • JPH02111316A
    • 1990-04-24
    • JP26400688
    • 1988-10-21
    • DOWA CO
    • MIYAHARA KINGO
    • A47J36/24A47J27/00A47J27/04
    • PURPOSE:To quickly warm, heat and cook food materials in a steaming chamber by providing a pair of electrodes on the inner bottom section side of a bottomed insulated container with the steaming chamber inside, providing a boiling chamber storing an electrolyte solution inside is provided, and boiling a small quantity of the electrolyte solution in a short time by the excitation action. CONSTITUTION:A cover 2 is removably provided on the upper opening side of a bottomed insulated container 1, and a vent hole 2a is bored at the proper position of the cover. A boiling chamber 4 is formed at the inner bottom section of the bottomed insulated container having a steaming chamber 3 at the most portion of the inside, and a pair of thin plate-shaped circular electrodes 5 and 6 are provided at the bottom section of the boiling chamber. An adequate quantity of an electrolyte solution A, e.g., dilute salt water, is stored in the boiling chamber so that a pair of electrodes are sufficiently submerged. Packed or unpacked food materials are stored in the steaming chamber on the boiling chamber not to be submerged in the electrolyte solution, and the cover is closed. When a pair of electrodes are excited, the electrolyte solution is quickly boiled to generate steam, and the food materials can be warmed, heated and cooked in a short time by the heating action of the boiled steam heat thus generated.
    • 8. 发明专利
    • VAPORIZING BURNER
    • JPH01219403A
    • 1989-09-01
    • JP4548788
    • 1988-02-27
    • DOWA CO
    • MIYAHARA KINGO
    • F23D11/08F23D11/04
    • PURPOSE:To make it possible to burn a fuel-air mixture gas with constant ratio, which is injected into a recessed combustion chamber through multiple gas ejection ports bored through the circumferential wall of combustion disc at a constant ejection rate, by forming an annular gas passage between the circumferential wall of the combustion disc body and an ejected gas stabilizing ring. CONSTITUTION:A vaporizing body 19 communicates to a gas chamber 7 via an open part 14, and the open side of the vaporizing body 19 is positioned embedded in a recessed combustion chamber 6. Fuel oil, which passes through a fuel oil dispersion clearance 22 and is diffused by a fuel oil dispersion plate 21, inevitably impacts against the surface of the circumferential wall 11 of the recessed combustion chamber 6 to be atomized. Between the circumferential wall 11 and an ejected gas stabilizing ring 27 is formed an annular gas passage 28 whose base end side communicates to the inside of the vaporizing body 19 and whose tip end side to the gas chamber 7, respectively. A fuel-air mixture gas ejected from the base end open side of the vaporizing body 19 toward the gas chamber 7 is made to impinge against the ejected gas stabilizing ring 27 concentric with the recessed combustion chamber 6 to be stirred and mixed uniformly. Thereafter, said gas is made to flow along the annular gas passage 28, under the conditions of a constant flow rate and constant gas mixture ratio, and is ejected into the recessed combustion chamber 6 through multiple gas ejecting ports 13 bored through the circumferential wall 11 to continue stable vaporization and combustion.
    • 9. 发明专利
    • CATCHING METHOD BY MODIFIED MUSOU AMI (JAPANESE CATCHING NET) AND APPARATUS THEREOF
    • JPH01218534A
    • 1989-08-31
    • JP4548688
    • 1988-02-27
    • DOWA CO
    • MIYAHARA KINGO
    • A01M23/22
    • PURPOSE:To instantly turn and develop a catching net using a rotating net pole and efficiently catch game, by fastening the net pole attaching other end of catching net whose one end is landed on the ground of starting position in a state giving restoration elastic force to a restoration elastic machine and then opening a fastener when required. CONSTITUTION:A base 2 is fixed to base-fixing cylinder 3 liftably attached to a cylindrical hollow base stake 1 with a stopper bolt 4 and installed in the desired place through auxiliary stakes 7 so as to be situated on the ground by hammering the base stake 1. The base end side of net pole 11 attaching other side of a catching net 12 whose one end is landed on the ground which is starting position is inserted into branched metal fittings 10 mounted to circumferential wall of rotator 9 having flange rotatably mounted to the base stake 1 and pivoted with a pivot pin 13. On the one hand, a circular net pole-lifting guide 14 installed through plural legs 15 onto the base 2 is horizontally arranged at the lower position of the net pole 11. Then the fastening part 31 of the net pole 11 is fastened to a fastening device 30 in a state giving restoration elastic force to the net pole 11 through a restoration elastic machine 20 set on the proper place of a twisting force controlling device 21 mounting one end thereof to proper place of the rotator 9 and providing other end thereof to the upper part of the base stake 1, and when required, the fastening device is opened.