摘要:
PROBLEM TO BE SOLVED: To provide an immersion heater which has a high effective output, is compact and easy to handle, and is suitable for use in particularly an auxiliary heater.SOLUTION: The immersion heater is composed of a bottomed outer cylindrical tube made from insulated ceramics and a coil-shaped heating wire accommodated in the outer cylindrical tube. An inner wall surface of a heating part of the outer cylindrical tube has a taper shape of which an inner diameter at an opening side of the heating part is larger than an inner diameter at a bottom side thereof. The coil-shaped heating wire has a shape so that a coil side part contacts with the inner wall surface of the heating part of the outer cylindrical tube at least during heat generation, and is supported by the inner wall.
摘要:
PROBLEM TO BE SOLVED: To provide a rotary member for molten metal degassing apparatus, which can simplify a rotary body structure of degassing apparatus, can finely and homogeneously diffuse bubbles of treatment gas injected into the molten metal without requiring high speed rotation of a rotary shaft, and can suppress aggregation of the bubbles in the bottom side of gas injection section, and to provide the degassing apparatus using the member. SOLUTION: The member is a hollow rotary member and feeds treatment gas into the molten metal. The main part of the member comprises a hollow body with a straight line shape or a crossed shape and is composed of porous material having an open pore diameter of 5-100 μm and a porosity rate of 10-50%. COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a hydrogen storage tank having a shape that hardly causes fatigue breakdown, is safe and has high reliability, in a hydrogen storage tank in which a cartridge filled with hydrogen absorption material is stored within an integrally molded metallic liner. SOLUTION: The cartridge 10 is composed of a cartridge body part 11, a fixed side shaft part 13, and a free side shaft part 12. In the liner 20, a liner barrel part 21, a fixed side end part 25 formed with a fixed side opening 25a through a dome part 24, and a free side end part 23 formed with a free side opening 23a supporting a retaining plug 30 for supporting a free side shaft part 12a through a dome part 22, are seamlessly integrally molded. The fixed side opening 25a fixedly supports the fixed side shaft part 13 and is sealed with a sealing plug 40. The free side opening 23a is sealed with the retaining plug 30. The free side shaft part 12 is supported in a loosely inserted state into a recessed part 31 formed in the retaining plug 30 so that it can be longitudinally moved in an axis direction. COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a method with superior productivity for manufacturing porous niobium metal powder having spongy microstructure, a low oxygen content, large surface area and used for a capacitor, and to provide the porous niobium metal powder. SOLUTION: The method for manufacturing the porous niobium metal powder comprises steps of; mixing niobium oxide and at least one reducing agent selected from hydrides of alkali metals, hydrides of alkaline-earth metals and hydrides of rare-earth metals, heating the resultant mixture in an atmosphere of reducing gas and/or inert gas to perform reducing reaction, and dissolving the oxides of the reducing agent and the unreacted reducing agent using mineral acids to remove them. The porous niobium - metal powder has a spongy microstructure of 0.1 to 5 μm size and (0.5 to 15) m 2 /g BET specific surface area. COPYRIGHT: (C)2003,JPO
摘要:
PROBLEM TO BE SOLVED: To provide a multilayer printed wiring board in which a bump group can be formed without facilities for printing, etc., for forming the conductive bump group, and which has simultaneously a high smoothness; and to provide its manufacturing method. SOLUTION: An insulating material corresponding to a part of a wiring pattern of an insulated material layer 12 formed on a metal plate 11 is removed to form a groove, and a metal is separated in this groove to form a first wiring body contained metal plate 15 in which a wiring body 14 and an insulator 12a form one layer. Conductive bumps 5, 5,... are formed on the wiring body 14, and second wiring body contained metal plates 25 same with the first wiring body contained metal plate 15 are disposed opposite to each other and pressed to obtain a core material intermediate body 30. A masking 7 is formed in the metal plates 11, 21 of the core material intermediate body 30, and metal bumps 33, 34 are formed by etching. An insulated resin layer and a metal layer are formed thereon to manufacture the multilayer printed wiring board.
摘要:
PROBLEM TO BE SOLVED: To drastically save energy consumption and to increase initial storing speed of hydrogen gas by utilizing heating caused by hydrogen storage reaction when introducing hydrogen gas into magnesium hydrogen storage alloy. SOLUTION: A hydrogen gas filling method characterized in that when filling hydrogen gas in magnesium hydrogen storage alloy filled in a container, heating is stopped at the same time of starting introduction of the hydrogen gas, and hydrogen storage is executed subsequently by utilizing heating caused by hydrogen storage reaction.
摘要:
PROBLEM TO BE SOLVED: To provide a hydrogen storage alloy having high storage capacity and high reactivity and capable of occluding and releasing large amounts of hydrogen in a short time. SOLUTION: The Mg-type hydrogen storage alloy with high hydrogen storage capacity has >3.6 mass% hydrogen storage capacity and also has a composition represented by the general formula: Mg1-x-yNixMy (wherein, 0.01
摘要:
PROBLEM TO BE SOLVED: To provide an initial activation method of hydrogen storage alloy, which enables giving a stable activation process in a short time. SOLUTION: For initial activating of the hydrogen storage alloy, the inside of a container storing hydrogen storage alloy is vacuum pumped, then hydrogen is introduced into the container as it is heated to a temperature from 40 deg.C to 95 deg.C.
摘要:
PROBLEM TO BE SOLVED: To provide a feeding device and method for hydrogen in which a smooth operation of a fuel cell is realized by supplying hydrogen stably and rapidly from a hydrogen container at the time of high-loading such as starting, accelerating and driving uphill or the like in a vehicle or the like mounted with the fuel cell. SOLUTION: This is the hydrogen feeder for the fuel cell and its method characterized that this is equipped with a reformer to generate hydrogen, and a hydrogen storage tank is a fuel cell equipped with (1) a storage tank having hydrogen storage alloy and (2) a discharge tank having hydrogen storage alloy which once stores hydrogen from the reformer in the storage tank and subsequently discharges the obtained hydrogen to let the hydrogen be stored, and the storage tank is composed of one hydrogen storage tank or plural hydrogen storage tanks installed separated from each other and also where the discharge tank is composed of plural hydrogen feed-tanks combined so as to abut mutually.