Back to results
US 12,370,528 B2Granted
Catalyst-containing material
AssigneeAerojet Rocketdyne, Inc.
InventorsEdward Wucherer, Benjamin Andrew Glassy
Life of this patent
Estimating the term…
Abstract
A catalyst-containing material includes a refractory matrix and particles of one or more catalytic metal elements or catalytic oxides. The particles are dispersed through, and embedded in, the refractory matrix.
Claims14
A catalyst-containing material comprising:
- a refractory matrix;
- and
- particles of one or more catalytic metal elements, the particles being dispersed through, and embedded in, the refractory matrix, wherein the particles of one or more catalytic metal elements include Ir, the refractory matrix includes one or more oxides selected from CeO2, HfO2, and combinations thereof, and including, by weight, 30% to 40% of the particles of the one or more catalytic metal elements, and 70% to 60% of the refractory matrix.
A method of fabricating a catalyst-containing material, the method comprising:
- providing a mixture of matrix particles and particles of one or more catalytic metal elements;
- combining the mixture with at least a binder to produce one or more green state bodies;
- thermally treating the one or more green state bodies, the thermal treatment causing a sintering of the matrix particles to produce a refractory matrix with the particles of the one or more catalytic metal elements or the catalytic oxides dispersed through, and embedded in, the refractory matrix, wherein the particles of one or more catalytic metal elements include Ir, the refractory matrix includes one or more oxides selected from CeO2, HfO2, and combinations thereof, and including, by weight, 30% to 40% of the particles of the one or more catalytic metal elements, and 70% to 60% of the refractory matrix.
A thruster comprising:
- a combustion chamber;
- an injector for providing propellant into the combustion chamber;
- an exit for discharging decomposition products from the combustion chamber;
- and
- a catalyst-containing material in the combustion chamber for catalyzing reaction of the propellant, the catalyst-containing material including
- a refractory matrix;
- and
- particles of one or more catalytic metal elements dispersed through, and embedded in, the refractory matrix, wherein the particles of one or more catalytic metal elements include Ir, the refractory matrix includes one or more oxides selected from CeO2, HfO2, and combinations thereof, and including, by weight, 30% to 40% of the particles of the one or more catalytic metal elements, and 70% to 60% of the refractory matrix.
5 more elements
Dependencies are inferred from the claim text.