Toyota Jidosha Kogyo Kabushiki Kaisha

Toyota Jidosha Kabushiki Kaisha

Nippondenso Co., Ltd.

Fumiyoshi Noda

Yasuhisa Kaneko

Mikio Murachi

Katsumi Kondo

Yuji Watanabe

Masahiko Sugiyama

Kenji Ushitani

Itaru Niimi

Hideaki Ueno

Kunihiko Uchida

Yukihisa Takeuchi

Tsuchio Bunda

Yoshiro Komiyama

Kametaro Hashimoto

Yoshihiro Tsuzuki

Yoshihiro Kanome

Yutaka Yamada

Takashi Minami

Shinichiro Mizusawa

Hideki Murakami

Toshikazu Ikeda

Hideaki Akamatsu

Etsuo Sugiyama

A fuel vapor collecting device comprising an activated carbon receiving chamber filled with activated carbon particles. Each of the activated carbon particles contains heat accumulating solid fillers which are uniformly distributed therein. The heat accumulating solid fillers are made of a metallic material having a specific heat which is larger than that of the activated carbon.

Fuel vapor collecting device

Ceramics adapted to be enveloped in a casting having a cumulative particle size distribution such that the percentage of particles with sizes of less than 44.mu. lies within the range of 14.5-50% and the balance consists of particles the maximum size of which ranges from 500-2,000.mu., in order to produce vibration-resistant ceramic parts which may be enveloped in a casting.

Vibration-resistant, heat-insulating casting and method of making

Catalyst carrier produced by a process of dehydrating alumina hydrate, granulating and roasting at 150.degree..about.850.degree. C. to yield particles; and curing said particles in an aqueous solution of caustic alkali or in an aqueous solution of sodium aluminate or in a mixture of both under a saturated steam pressure of 120.degree.-200.degree. C.; and said manufacturing process.

Process of producing a catalyst carrier

This invention relates to a catalyst assembly for cleaning an exhaust gas wherein the catalyst and the carrier therefor are secured inside a catalyst muffler by means of expandable ceramic material. This invention also provides a method for making such a catalyst assembly.

Catalyst assembly for cleaning an exhaust gas

Low-soda alumina granules suitable for use as an alumina porcelain insulator and alumina catalyst carrier, and the method and equipment for their manufacture. The method comprises dehydrating aluminum hydroxide at a high temperature and then granulating it. The granules thus obtained are placed in an autoclave, washed and cured with water drops, then taken out of the autoclave dried and fired. The manufacturing equipment is used for curing the granules with water drops.

Apparatus for manufacture of low-soda alumina granules

The present invention relates to an integrated catalyst component comprising an integrated catalyst housed within a molded ceramic fiber retaining sleeve held together by a cylindrical compression ring and end rings attached to the ends of said compression ring, and to a method of assembling said component.

Integrated catalyst component for exhaust gas purification and method of

Ceramic fiber molding for manifold reactors in which Al.sub.2 O.sub.3 --SiO.sub.2 ceramic fibers or SiO.sub.2 ceramic fibers are employed to form a molded product having a hardness of 20.degree. - 55.degree., a tensile strength of 120 - 1500 g/cm.sup.2 and a molded density of 0.06 - 0.35 g/cm.sup.3.

Ceramic fiber molding for manifold reactors

A catalytic converter having a catalyst carrier for purifying exhaust gas of internal combustion engines for motor vehicles such as automobiles, motorcycles and motorbikes. The carrier comprises a plurality of catalyst carrier pieces which are molded into a predetermined block by binding or sintering at high temperature so that the block is resistant to vibration damage.

Catalytic converter having vibration-resistant catalyst carrier

The present invention relates to an anti-vibration heat-insulation structure and a process for the production thereof characterized by filling the void in the structure to form a heat-insulation layer with silicic acid bonding agent-coated silicic acid mineral grains which swell in volume when fired at a high temperature; and then heating and thereby expanding these silicic acid mineral grains and at the same time allowing said grains to stick to one another.

Anti-vibration heat-insulation structure and a process for production

Foamed sodium silicate ceramic obtained by mixing sodium silicate 30-36% by weight of aluminum hydroxide or 30-36% by weight of aluminum hydroxide and 5-20% by weight of ceramic fibers; and method of manufacturing the same.

Foamed sodium silicate ceramic and method of manufacturing the same

The present invention relates to a method of manufacturing a metal-impregnated body by immersing a porous ceramic or ceramic powder in a solution containing a chemical compound having an OH radical selected from the group consisting of water and aqueous solutions of methanol, ethanol, butanol, acetone, acetic acid and ammonium hydroxide; drying and molding it into a porous body; and then impregnating said porous body with a molten metal.

Method of manufacturing a metal-impregnated body

Method of manufacturing composite heat-insulating material, by stacking to a desired thickness pieces of aluminum foil adhesively secured to foam-forming ceramic material, filling the volume to be occupied by said heat-insulating layer or a vessel with the resulting stack, and heating it to cause foaming of said ceramic material.

Method of manufacturing composite heat-insulating material

A high-temperature heat-insulating structure having a ceramic heat-insulating layer fired at a high temperature. The ceramic layer is made from a paste prepared by mixing an aqueous aluminum phosphate solution with foamable perlite particles or by mixing an aqueous monoaluminum phosphate Al.sub.2 O.sub.3.3P.sub.2 O.sub.5.6H.sub.2 O solution with foamable perlite particles and ceramic fiber.

High-temperature heat-insulating structure

The present invention relates to a method of manufacturing a metal-impregnated body in which a porous body is immersed under sub-atmospheric pressure in a molten alloy for impregnation with said alloy or a porous body is immersed under elevated pressures produced by various gases, the pressure then being reduced to normal level, after which the porous body is introduced together with a molten alloy into a metal mold, in which said molten alloy is impregnated into said porous body. The porous body is then separated from said molten alloy.

Method of manufacturing a catalyst type exhaust gas purifier utilizing a divisible vessel to hold an integrated catalyst, while a packing is inserted at the junction between the divisible parts. The space between the vessel and the catalyst is filled with a castable refractory material, which is then solidified, after which the packing is removed and then the parts of the vessel are drawn together at said junction.

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Toyota, Japan

Fumiyoshi Noda