Matsushita Electric Industrial Co., Ltd.

Tetsuo Terashima

Motohiro Suzuki

Tatsuo Fujita

Hironao Numoto

Jiro Suzuki

Yoshitaka Kawasaki

Kiyoshi Taguchi

Takeshi Tomizawa

Kunio Kimura

Yukio Watanabe

Masato Hosaka

Yukiyoshi Ono

Tadashi Suzuki

Kenichi Nakamura

Hirofumi Nishida

Narito Yamaguchi

Toshiaki Ando

Yukiyoshi Nishikori

Syuzo Tokumitsu

Syuji Asada

A purification catalyst and a gas-purifying apparatus are provided which are capable of sufficiently purifying a gas subject to treatment at low temperatures. The purification catalyst includes ZrOhaving a specific surface area of 50 m/g or less and a monoclinic crystal system. The gas-purifying apparatus includes the aforementioned purification catalyst as a first purification catalyst, and a second purification catalyst containing Mn as a major component and disposed upstream of the first purification catalyst.

Purification catalyst, preparation process therefor and gas-purifying apparatus

It is not possible to store heat of a domestic hot water supply level at a high density. If thermal storage temperature is T, variation in enthalpy in a chemical reaction is &#x394;H, variation in entropy is &#x394;S, and variation in free energy is &#x394;G, a thermal storage material satisfying a relationship of T&#x394;S&#x2267;&#x394;G is used under a condition of &#x394;H&#x3e;0 so as to promote a reaction for putting the thermal storage material in a thermal storage reaction portion in an energy storing state by having supplemental energy added by an electrode portion when putting the thermal storage material in the energy storing state by decomposing or separating it.

Heat accumulating method and device

The present invention provides a regenerative heat pump system including a heat pump cycle, first storage vessel for storing a heat storage material, heat exchange device between first refrigerant and heat storage material for heating and decomposing the heat storage material by heat from a refrigerant, and heat exchange device between second refrigerant and an other heat storage material for transferring heat from the separated heat storage material to the refrigerant. The system also includes second storage vessel for storing the decomposed heat storage material, and heat generating device for generating heat by recombining the heat storage material stored in the second storage vessel and for heating a heating medium. The heat exchange device between the first refrigerant and the heat storage material is also used as a radiator of the heat pump cycle, and the heat exchange device between second refrigerant and the other heat storage material is also used as at least a part of an evaporator of the heat pump cycle.

Regenerative heat pump system

There is provided a catalytic combustion apparatus that allows power consumption of a carburetor heater to be significantly reduced, and allows a fuel consumption amount to be reduced. A catalytic combustion apparatus including: a fuel tank for feeding fuel and others, an air feeding fan for feeding air and others, a carburetor for evaporating the above described fuel, a gas mixture space that holds the above described evaporated fuel and the above described air, a catalytic combustion unit adjacent to the above described gas mixture space, and a catalyst heating element provided in the gas mixture space , characterized in that the catalyst heating element has a first heating compartment and a second heating element compartment provided from upstream to downstream of a flow of the above described gas mixture, and that the compartments carry catalysts on all or part thereof and are provided with a first gas mixture vent and a second gas mixture vent

Fuel evaporation apparatus and catalytic combustion apparatus

A low-cost, high-mass-productivity catalytic combustion apparatus having a construction that permits easy maintenance is realized. There is provided a catalytic combustion apparatus in which, by means of a combustion chamber having a fuel supply portion and a combustion air supply portion on the upstream side thereof and a combustion gas exhaust port on the downstream side thereof and a catalytic combustion portion with an upstream surface and a downstream surface provided in the combustion chamber, the upstream surface and the downstream surface being substantially parallel to each other, a fuel-air mixture supplied to the interior of the combustion chamber is caused to react to liberate heat. The catalytic combustion apparatus includes a heat exchange portion, which constitutes part of walls of the combustion chamber, and a fin-type radiant heat-receiving portion, which protrudes from the heat exchange portion into the combustion chamber and being provided in the vicinity of the catalytic combustion portion. In this catalytic combustion apparatus, the surface of the fin-type radiant heat-receiving portion and the surface of the heat exchange portion face in the same direction.

Catalyst combustion device and method of producing frame body portion thereof

A catalyst combustion apparatus, includes: a fuel feed course for feeding liquid fuel; an air feed course for feeding air; a mixing unit for mixing fuel to be fed from the fuel feed course with air to be fed from the air feed course; a vaporizing unit for heating mixture-obtained by mixing in the mixing unit to vaporize the liquid fuel; a catalyst heating unit disposed on the downstream side of the vaporizing unit in contact with or in close proximity to the vaporizing unit in terms of conduction of heat, for carrying an oxidation catalyst component; and a catalyst combustion unit provided on the downstream of the catalyst heating unit, having a multiplicity of conductive holes, and the vaporizing unit is capable of utilizing heat from the catalyst heating unit.

Catalyst combustion device and fuel vaporizing device

Catalytic combustion system and combustion control method

To present a ceramic sheet with catalyst high in porosity, excellent in combustion efficiency, and easy to process into any desired shape, an inorganic oxide 4 carrying a noble metal catalyst 5 is dispersed and mixed together with ceramic fibers 1 and an inorganic binder 2, and an inorganic flocculant and an organic binder 3 possessing the flocculating effect are added to form flocs, a sheet is formed by a paper making method, and it is heated at 950.degree. C. or less, thereby obtaining a ceramic sheet carrying the noble metal catalyst in a state of being uniformly dispersed in the entire inner parts.

Ceramic sheet with catalyst and its manufacturing method

A process for producing a catalyst element including fixing a ceramic sheet to a jig or mold having a predetermined configuration, and thereafter, impregnating the ceramic sheet with a catalyst solution, drying and calcining to allow a catalyst element to retain the predetermined configuration or the catalyst element to be fixed in the mold. The catalyst element may be produced by fixing the ceramic sheet to a metallic thin plate, followed by processing into a predetermined configuration.

Process for producing a catalyst element

A catalyst 1 is provided in a gas passage 4 for communicating between a gas flow-in unit 12 and a gas flow-out unit 13, and the catalyst 1 is heated by a heater 2, and a temperature sensor 3 for detecting the temperature of the heater 2 is provided inside the heater 2. By feeding power to the heater 2, the wall temperature of the heater 2 is raised to heat the catalyst 1, and then malodorous gas containing odor substances is passed in from the gas flow-in unit 12. The malodorous gas passes through the catalyst 1 in the gas passage 4 to be oxidized to be harmless and odorless, and is discharged from the gas flow-out unit 13.

Deodorizing apparatus

A catalytic burning apparatus includes a mixed gas generator, a air blow fan, a subsidiary catalyst layer, a main catalyst layer, and exhaust openings. The main catalyst layer has a larger thermal capacity than that of the subsidiary catalyst layer and the mixed gas generator, the main catalyst layer, and the exhaust openings are disposed along the flow of premixed gas.

Growing community of inventors

Osaka, Japan

Tetsuo Terashima