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    • 31. 发明专利
    • SAFETY DEVICE FOR WATER HEATER BOILER
    • JPH01102245A
    • 1989-04-19
    • JP26210487
    • 1987-10-16
    • MATSUSHITA ELECTRIC IND CO LTD
    • ANDO HARUMIHAMAYA MASARUSHINODA SEIICHIARIMA SATOSHI
    • F24H1/22
    • PURPOSE:To prevent fire accidents in the exhaust gas system by attaching a temperature fuse near the exhaust gas pipe connecting flange disposed in the exhaust gas opening in the casing above the boiler in order to shut off the operation of the heating section in case of an abnormal exhaust gas tempera ture increase. CONSTITUTION:A temperature fuse 17 is attached near the exhaust pipe connecting flange 24 of the water heater boiler body proper 1 in order to shut off the operation of the heating section 12 in case of an abnormal exhaust gas temperature increase. In this constitution, if the exhaust gas temperature rises for an abnormal cause or another, the radiation heat through the exhaust pipe connecting flange 24 and the radiation heat from the baffle top 14 through heat insulating material 16 heat up the temperature fuse area. When the set temperature of the temperature fuse 17 which is set in consideration of the normal operating temperature plus the allowable exhaust gas temperature upper limit short of fire accidents is exceeded, the temperature fuse melts for interrup tion. This causes an alarm to be emitted, and the combustion can be stopped by turning off the heater section 12 which is electrically connected.
    • 33. 发明专利
    • WATER HEATER
    • JPS61175441A
    • 1986-08-07
    • JP1489885
    • 1985-01-29
    • MATSUSHITA ELECTRIC IND CO LTD
    • ANDO HARUMIHAMAYA MASARUKUBOTA YUKOADACHI KAZUHIRO
    • F24H1/24F24H1/26
    • PURPOSE:To prevent the cracks, flakings of grass-lining due to stress and the holes of a heater body due to corrosion by a method wherein a bulging is made at least on the part of an inside body and the amount of expansion due to thermal expansion of the inside body and the outside body at the heater body is set so as to almost correspond to each other. CONSTITUTION:The mixing and the evaporation for combustion fo air and fuel particles are promoted in a mixing chamber 24 and are burnt by turning and evaporating at the upper portion of the combustion chamber 15 while combustion gas passes through between a buffle plate 14 and the inside body 2 to exchange the heat for the water of a water chamber 4. The average temperature of the outside body 3 becomes almost hot-water temperature due to indirect heating, on the other hand, the average temperature of the inside body 2 becomes high temperature due to the combustion heat and the amount of expansion of the inside body 2 due to thermal expansion becomes larger than the amount of the expansion of the outside body 3. The inside body 2 and the outside body 3 are fixed by closedown, therefore, compressive stress is applied for the inside body 2 and tensile stress is applied for the outside body 3, however, the bulding 7 is made fr the two surface of the inside body, therefore, the amount of expansion of the inside body 2 due to assimilation of the thermal expansion may become same value as the amount of the expansion of the outside body 3.
    • 36. 发明专利
    • Multi-tube type heat exchanger
    • 多管式热交换器
    • JPS60194251A
    • 1985-10-02
    • JP4952984
    • 1984-03-14
    • Matsushita Electric Ind Co Ltd
    • ANDOU HARUMIHAMAYA MASARUADACHI KAZUHIROKUBOTA YUUKOU
    • F24H1/43F24H1/40F28D7/00
    • F24H1/403F28D7/005
    • PURPOSE:To flow combustion exhaust gas between a plurality of water tubes into spiral draft direction to elongate the stagnating time of the combustion exhaust gas and promote heat exchange between the gas and water in the water tube by a constitution wherein the water tubes are connected to first and second headers, which are located at the upper and lower sides of the water tubes, so as to be slanted with respect to vertical direction. CONSTITUTION:After ignition, fine particles of oil are vaporized in a mixing chamber 21 between a combustion cylinder 12 and an auxiliary combustion cylinder 19 under being mixed with air and blue flame evaporation combustion is effected in the upper whirling air nozzles 13 of the combustion cylinder 12. The combustion exhaust gas of the whirling flow of fuel from a burner flows along the flow direction of the exhaust gas into the draft direction of the exhaust gas through the spiral water tubes 3 between the first header 1 and the second header 2, in which the water tubes are slanted spirally with respect to the vertical direction, and exhaust gas paths 10' between the water tubes 3 under contacting with the water tubes 3 to promote the heat exchange, thereafter, the flow is changed into spiral flow and is discharged out of a chimney.
    • 目的:将多个水管之间的燃烧废气流入螺旋牵引方向,以延长燃烧废气的停滞时间,并促进水管中气体与水之间的热交换,其中水管连接到 第一和第二集管,其位于水管的上侧和下侧,以便相对于垂直方向倾斜。 构成:点燃后,在与空气混合的燃烧筒12和辅助燃烧汽缸19之间的混合室21中蒸发细小的油,在燃烧气缸的上部旋转空气喷嘴13中进行蓝色火焰蒸发燃烧 来自燃烧器的燃料的旋转流的燃烧废气沿着排气的流动方向通过第一集管1和第二集管2之间的螺旋水管3沿排气的排出方向流动, 其中水管相对于垂直方向螺旋地倾斜,以及在水管3的与水管3接触之间的排气路径10'以促进热交换,此后,流动变为螺旋流并且被排出 走出烟囱。
    • 37. 发明专利
    • MULTI-TUBULAR TYPE HEAT EXCHANGER
    • JPS60164165A
    • 1985-08-27
    • JP1865784
    • 1984-02-03
    • MATSUSHITA ELECTRIC IND CO LTD
    • ANDOU HARUMIHAMAYA MASARUADACHI KAZUHIROKUBOTA YUUKOU
    • F24H1/40
    • PURPOSE:To contrive to improve the heat exchange efficiency by a structure wherein a burner is provided at the lower part of a plurality of water tubes located concyclically and baffle plates with holes, through which the respective water tubes pass, are provided at a water tube section located above the burner in a multi-tubular heat exchanger. CONSTITUTION:A plurality of water tubes 3 are concyclically installed in upright positions. A plurality of cylindrical baffles 6, each of which has number of through holes 7 tightly fixed onto the water tubes 3 and the remaining through holes 7', each having a diameter larger than the diameter of the water tube 3, are provided above a burner. As a result, high temperature combustion gas delivered from the burner passes through the through holes 7', resulting in heat- exchanging with the water tubes 3 and prolonging the retention time of combustion gas in a combustion chamber for the period of time after passing through the baffle 6 at the first stage to that arriving at the baffle 6 at the second stage before passing through the baffle 6 at the second stage. Consequently, because part of the baffles are heat-exchanged while receiving the thermal absorption of the baffles, the improvement of the heat exchange efficiency is contrived.
    • 38. 发明专利
    • Combustion device
    • 燃烧装置
    • JPS59208310A
    • 1984-11-26
    • JP8301283
    • 1983-05-12
    • Matsushita Electric Ind Co Ltd
    • ANDOU HARUMIHAMAYA MASARUKUBOTA YUUKOUTAKAHASHI TAKESHI
    • F23D11/24
    • PURPOSE: To prevent production of CO and soot during combustion and to provide circumferentially uniform and excellent combustion property, by a method wherein alignment of air injection nozzles formed circumferentially in the lower part of an evaporating cylinder is such that, the more closer to a spraying means employing pressure spray they are located, the more densely they are aligned, and the further away from the means they are positioned, the more coarsely they are arranged.
      CONSTITUTION: A number of air injection nozzles 17 are provided around the side wall of an evaporating cylinder 12 erected, communicated with an air tunnel 16 for the air for combustion, and the nozzles are aligned at the lower part such that the more closer to a spraying means they are located, the more densely they are aligned, and the further away therefrom they are situated, the more coarsely they are arranged. Thus, particle, sprayed through a nozzle 1, is mixed with a high speed swirl flow through the air injection nozzles 17, formed at a portion having dense fuel concentration, which correspond to a spraying position at the lower part of the evaporating cylinder 12, and is ignited and fired by an igniter 5, and yellow flame diffusion combustion takes place in a proper mixture ratio at a premixture region 20 between the evaporating cylinder 12 and an assist combustion cylinder 18. However, vaporization are momentarily promoted resulting from a rise in the temperature of the evaporating cylinder 12 and the assist combustion cylinder 18 by means of the radiant heat of diffusion combustion flame and collision of particle with diffusion combustion, and circumferentially uniform and excellent blue flame evaporation combustion is conducted in the air injection nozzles 17 at the upper part of the evaporating cylinder 12, which produces a combustion with combustible air amount.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了防止在燃烧过程中产生CO和烟灰,并提供周向均匀和优异的燃烧性能,通过这样一种方法,其中在蒸发筒的下部周向形成的空气注入喷嘴的排列使得越接近喷射 使用它们所定位的压力喷雾的手段,它们对准的密度更高,并且远离它们所定位的装置,它们被布置得更粗糙。 构成:在蒸发气缸12的侧壁周围设置多个空气喷射喷嘴17,蒸发筒12竖立,与用于燃烧的空气的空气通道16连通,并且喷嘴在下部对准,使得更接近 它们所在的喷涂装置,它们对准的密度越高,它们所在的距离越远,它们被布置的越粗糙。 因此,通过喷嘴1喷射的颗粒与通过空气喷射喷嘴17的高速涡流混合,空气喷嘴17形成在与蒸发筒12的下部的喷射位置相对应的具有致密燃料浓度的部分, 并且被点火器5点燃和点火,并且在蒸发气缸12和辅助燃烧气缸18之间的预混合区域20处以适当的混合比发生黄色火焰扩散燃烧。然而,由于上升 通过扩散燃烧火焰的辐射热和颗粒与扩散燃烧的碰撞,并且在空气喷射喷嘴17中进行周向均匀和优异的蓝焰蒸发燃烧,蒸发气缸12和辅助燃烧气缸18的温度在 蒸发气缸12的上部,其产生具有可燃空气量的燃烧。
    • 39. 发明专利
    • Combustion device
    • 燃烧装置
    • JPS59202309A
    • 1984-11-16
    • JP7576783
    • 1983-04-28
    • Matsushita Electric Ind Co Ltd
    • ANDOU HARUMIHAMAYA MASARUKUBOTA YUUKOUTAKAHASHI TAKESHI
    • F23D11/24
    • PURPOSE: To prevent stagnation of oil, by a method wherein a cylindrical assist combustion cylinder with a spray opening is located upright, and an exhaust gas recycling hole is provided in the vicinity of the lower part of the assist combustion cylinder and the spray opening part and on the upstream side as one faces the direction of a swirl air flow which flows from an evaporating cylinder.
      CONSTITUTION: By means of the radiant heat of a diffusion combustion flame and resulting from a rise in the temperature of an evaporating cylinder 12 and an assist combustion cylinder 18, vaporization and evaporation are promoted in a premixture range 20, and a blue flame evaporation combustion is effected in an air injection nozzles 17 at the upper part of the evaporating cylinder 12, in which there is a combustion inflammable air amount. Further, also after shift to evaporation combustion, a part of exhaust gas, of which the pressure is uniformized by a combustion ring 23, flows around a recycling range 21, and is recycled through recycling holes 22 and 22' to the premixture range 20 and an increase in temperature within the premixture range 20 and on the surface of the evaporating cylinder 12 is practicable. This enables to prevent the stagnation of oil and of adhesion of tar due to shortage in evaporating capacity, and obtains excellent evaporation combustion in a proper mixture ratio of the air to the fuel.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了防止油停滞,通过其中具有喷射口的圆柱形辅助燃烧筒垂直定位的方法和在辅助燃烧气缸的下部附近设置排气回收孔和喷射开口部 并且在上游侧面向从蒸发筒流动的涡流空气流的方向。 构成:通过扩散燃烧火焰的辐射热并且由蒸发气缸12和辅助燃烧气缸18的温度升高引起,在预混合范围20中促进蒸发和蒸发,并且蓝色火焰蒸发燃烧 在蒸发气缸12的上部的空气喷射嘴17中进行,其中存在燃烧的可燃空气量。 此外,在转移到蒸发燃烧之后,通过燃烧环23使压力均匀化的废气的一部分在再循环范围21周围流动,并且通过再循环孔22和22'再循环到预混合物范围20和 在预混合范围20内和蒸发筒12的表面上的温度升高是可行的。 这能够防止由于蒸发能力不足导致的油停滞和焦油附着,并以适当的空气与燃料的混合比例获得优异的蒸发燃烧。
    • 40. 发明专利
    • HOT WATER SUPPLYER WITH ADDITIONAL HEATING FUNCTION FOR BATH
    • JPS59100335A
    • 1984-06-09
    • JP21076382
    • 1982-12-01
    • MATSUSHITA ELECTRIC IND CO LTD
    • HAMAYA MASARUTAKAHASHI TAKESHIKUBOTA YUUKOU
    • F24H1/00
    • PURPOSE:To permit the sanitary additional heating of a bath by an indirect heating method in which the hot water supply system is made up of a hot water supplyer, a hot water siculation circuit to forcibly circulate part of hot water, an opening to detachably encase a heat exchanger, and a heat exchanger case of synthetic resin. CONSTITUTION:Water supplied into a hot water supplyer 1 is heated to boiling by a combustor 4, and hot water is supplied from a hot water outlet 3. A part of hot water is circulated through a heat exchanger 10 to a hot water return port 13 by a circulation pump 11. Water in a bath tub 16 goes from the lower circulation port 15 into a heat exchanger case 7 and then returns through the upper circulation port 15 to the bath tub 16 by natural circulation. In the heat exchanger 10, hot water heated in the hot water supplyer 1 is circulated without abnormally overheating the surface of the heat exchanger 10 up to more than the temperature of hot water. The heat exchanger case 7 can be integrally molded of a synthetic resin. Since an opening 14 to detachably encase the heat exchanger 10 is provided in the front of the heat exchanger case 7, in case where impurities from the bath tub 16 are deposited in the case 7, the inside of the case 7 can be simply cleaned by removing the heat exchanger 10.