Abstract: A combustion device includes at least one burner, a supporting assembly, and an infrared ray generation assembly. The at least one burner includes a flame outlet; the front cover of the supporting assembly includes a flat cover plate which has a plurality of holes; the infrared ray generation mesh which is disposed on the supporting assembly is corresponding to the flame outlet; the flames generated by the flame outlet heat the infrared ray generation mesh and the cover plate. The intensity of heating can be effectively increased by generating open fire and infrared rays and uniformly heating could be realized as well.

Abstract: For making ceramic or oxidic layers (CL/OL) on substrates (S), the method according to the invention therefore provides that following application (I) and drying (II) of a suitable precursor (P) the formed precursor layer (PLD) is gassed (III) with a moist reactant gas (RG) for conversion into a corresponding hydroxide or complex layer (HL) and then thermally treated (IV) for forming a ceramic or oxidic layer (CL/OL). For the alternative production of other chalcogenidic layers of increased material conversion additional gassing is carried out with a reactant gas containing chalcogen hydrogen. Metallic layers may alternatively be made by use of a reducing reactant gas. The methods in accordance with the invention may be used wherever surfaces, even those of shaded structures, must be protected or modified or provided with functional layers, particularly in solar and materials technology.

Abstract: A high temperature, stabilized thermo-optically functional composite is disclosed. The composite includes a phase stabilized matrix including a first component stabilized by a second component and a plurality of discrete metallic particles interspersed with respect to the matrix, wherein the composite is stable at temperatures greater than about 2000 degrees K.

Abstract: The present invention relates to a incandescent material formed from the following mixture of oxides (in moles):50 to 70% zirconium oxide ZrO.sub.2,5 to 8% yttrium oxide Y.sub.2 O.sub.3,13 to 20% magnesium oxide MgO,4 to 10% lithium oxide Li.sub.2 O, and0.2 to 0.6% cerium oxide CeO.sub.2,0 to 25% potassium oxide K.sub.2 O,0 to 1% tungsten oxide WO.sub.3.This material is suitable for producing hard mantles for gas lighting of public places.

Abstract: Several new and useful compositions of rare earth oxides and mixtures of rare earth oxides are made into strong flexible fibrous textiles and strands. By varying the mixtures of rare earth metal oxides that make up the textiles and strands, the emission spectra can be matched to the absorption spectra of a variety of semiconductor photovoltaic cells. Furthermore, the addition of between 1-10 mol % of thorium oxide to the rare earth metal oxide fibers inhibits microcrystalline grain growth at high temperatures.

Abstract: Several new and useful compositions of rare earth oxides and mixtures of rare earth oxides are made into strong flexible fibrous textiles and strands. By varying the mixtures of rare earth metal oxides that make up the textiles and strands, the emission spectra can be matched to the absorption spectra of a variety of semiconductor photovoltaic cells. Furthermore, the addition of between 1-10 mol % of thorium oxide to the rare earth metal oxide fibers inhibits microcrystalline grain growth at high temperatures.

Abstract: An improved incandescent mantle which is free of radioactive materials and stronger than mantles produced in the past. The present invention provides a mantle comprised of zirconia, yttria, erbia and ceria, which produces a resulting light output and color comparable for practical purposes to that of traditional thorium mantles. Although the invention is particularly adapted to mantles of inverted form, it is also applicable to other forms.

Abstract: A gas mantle has an operating color temperature of about 2300K and consists essentially of from about one percent to ten percent by weight of ceria and from about ninety percent to ninety-nine percent by weight of erbia.

Abstract: A high output, narrow band thermally energized radiation source comprises a rare earth oxide radiator member that has a cross-sectional dimension in the range of five to thirty micrometers, the rare earth oxide radiator member, when heated to about 1700.degree. C., having a concentrated radiated flux over the 400-2500 nanometer wavelength range such that at least 50% of the radiated flux is within a spectral band that is less than 400 nanometers wide.

Abstract: A high output, narrow band thermally energized radiation source comprises a rare earth oxide radiator member that has a cross-sectional dimension in the range of five to thirty micrometers, the rare earth oxide radiator member, when heated to about 1700.degree. C., having a concentrated radiated flux over the 400-2500 nanometer wavelength range such that at least 50% of the radiated flux is within a spectral band that is less than 400 nanometers wide.

Abstract: Candoluminescent material constituted by a mixture of finely divided oxides brought into the form of a net identical to a textile. This mixture has the following molar compositions:75 to 90% zirconia,5 to 20% of yttrium oxide or calcium oxide and yttrium oxide.2 to 15% of magnesia, or magnesia and alumina,0.01 to 1% in all of oxides of iron, chrome, manganese, praseodymium and/or cerium.

Abstract: Incandescent mantles of improved strength and durability are provided for use with fuel-burning lanterns. The mantles are characterized by the use of a hydroxide mixture on the mantle sack of which the primary component is yttrium hydroxide together with a critical proportion of cerium hydroxide, whereby on conversion of the hydroxides to the corresponding oxides of the incandescent mantle, illumination is provided of a candle power comparable to that of the standard thorium oxide-cerium oxide mantles while at the same time obtaining a mantle of greatly increased strength and durability, as needed especially for use with fuel-burning lanterns where the mantles are subjected to frequent mechanical shocks.

Abstract: The invention relates to a candoluminescent material, its preparation process and its use as a gas lamp mantle.This condoluminescent material is constituted by a mixture of finely divided oxides brought into the form of a netting identical to a textile, wherein it comprises 75 to 90 molar % of zirconium oxide ZrO.sub.2, 10 to 25 molar % of calcium oxide CaO, 0 to 5% of aluminum oxide and/or magnesium oxide and 0 to 1% in all of one or more oxides chosen from the group including iron oxide, manganese oxide, praseodymium oxide and cerium oxide.It is prepared by impregnating a combustible textile with a solution of zirconium and calcium salts, optionally containing aluminum, aluminum, iron, manganese, praseodymium and/or cerium salts and then subjecting the impregnated textile to a combustion process in order to eliminate the textile and transform the salts into oxides.