Kabushiki Kaisha Toyota Jidoshokki

Japan Fine Ceramics Center

Toyota Jidosha Kabushiki Kaisha

Toru Sasatani

Yoshiki Okuhara

Kazuto Noritake

Takuhito Tsutsui

Tomohiro Kuroyama

Daisuke Igimi

Seiichi Suda

Shinya Hirota

Shinichi Takeshima

Hiroshi Fujimoto

Norihito Takeuchi

Takayuki Homma

Sakutaro Hoshi

Takeharu Kato

Akinori Sato

Daisaku Yokoe

A solar heat collector tube in which at least an infrared reflective layer, a sunlight-heat conversion layer and an anti-reflection layer are provided on the outer surface of a tube through the interior of which a heat medium can flow, wherein the infrared reflective layer in the solar heat collector tube is an Ag layer having Nb dispersed therein, the content of Nb being 0.1 at % to 31.8 at %.

Solar heat collector tube

A solar heat collector tube in which at least an infrared reflective layer, a sunlight-heat conversion layer and an anti-reflection layer are provided on the outer surface of a tube, through the interior of which a heat medium can flow, wherein the infrared reflective layer is an Ag layer in which silicon, silicon nitride or a mixture thereof is dispersed, and a method for producing the solar heat collector tube wherein the infrared reflective layer that is an Ag layer, in which silicon, silicon nitride or a mixture thereof is dispersed, is formed by sputtering in the presence of a gas including nitrogen gas, with Ag and silicon being used as targets.

Solar heat collector tube and production method thereof

A solar heat collector tube in which at least an infrared reflective layer, a sunlight-heat conversion layer and an anti-reflection layer are provided on the outer surface of a tube, through the interior of which a heat medium can flow, wherein the infrared reflective layer in the solar heat collector tube has a multilayer structure in which an Ag layer, having dispersed therein at least one metal selected from the group consisting of Mo, W, Ta, Nb and Al, is sandwiched between two metal protective layers.

This invention is a sunlight-to-heat converting member containing chromium silicide having an element ratio of Cr to Si from 1:1.6 to 1:4.7. This invention is also a sunlight-to-heat converting stack including a layer of the sunlight-to-heat converting member and a metal layer. This invention is also a sunlight-to-heat converting device including a light collecting part, either or both of a container and a flow path where sunlight is collected by the light collecting part, and a heating medium housed in either or both of the container and the flow path. The sunlight-to-heat converting member or the sunlight-to-heat converting stack is formed on a surface of either or both of the container and the flow path. The sunlight-to-heat converting member, the sunlight-to-heat converting stack, and the sunlight-to-heat converting device of this invention can convert light to heat efficiently.

Sunlight-to-heat converting member, sunlight-to-heat converting stack, sunlight-to-heat converting device, and solar power generating device

The present invention addresses the issue of providing an optical selective film that contributes to efficiently converting light into heat. This optical selective film is characterized in that: the optical selective film includes at least an Ag-containing layer, and an Ag diffusion prevention layer that is disposed adjacent to the Ag-containing layer; and the Ag diffusion prevention layer contains FeSi(X=1 to 2).

Optical selective film

A solar-thermal conversion member includes a &#x3b2;-FeSiphase material. The solar-thermal conversion member exhibits a high absorptance for visible light at wavelengths of several hundred nm and a low absorptance for infrared light at wavelengths of several thousand nm and, as a consequence, efficiently absorbs visible light at wavelengths of several hundred nm and converts the same into heat and exhibits little thermal radiation due to thermal emission at temperatures of several hundred &#xb0; C. The solar-thermal conversion member may therefore efficiently absorb sunlight, provide heat, and prevent thermal radiation due to thermal emission.

Solar-thermal conversion member, solar-thermal conversion device, and solar thermal power generation device comprising a &#x3b2;-FeSi2 phase material

A nanoparticle carrying method making a carrier adsorb ammonium ions, making the nanoparticles adsorb an organic acid, and making the carrier and the nanoparticles contact each other in a basic solution to thereby cause the carrier to adsorb the nanoparticles. Nanoparticles can be carried in high dispersion irrespective of superhydrophilicity.

Nanoparticle carrying method

An exhaust purification apparatus for an internal combustion engine according to the present invention includes a heated gas generation apparatus configured to generate heated gas utilizing exhaust gas flowing through an exhaust passage. The heated gas generation apparatus includes a catalyst configured to provide an oxidation function, a fuel supply nozzle, and a heater. An exhaust purification unit is provided downstream of the heated gas generation apparatus. An incoming gas temperature of the exhaust purification unit is detected and estimated. An actual incoming gas temperature being a detected value and an estimated incoming gas temperature both acquired when at least the fuel supply nozzle is actuated are compared with each other. Based on the result of the comparison, the apparatus detects one of poisoning of the catalyst with HC and degradation of the catalyst. Thus, the heated gas generation apparatus is prevented from discharging HC.

Growing community of inventors

Kariya, Japan

Toru Sasatani