US 4,047,380 AGranted

Combustion system using dilute hydrogen peroxide

AssigneeThe United States of America as represented by the Secretary of the Navy

InventorRobert J. Heffernan

Life of this patent

Estimating the term…

Loading patent…

Abstract

A combustion system using a dilute hydrogen peroxide(H.sub.2 O.sub.2) solon as an oxidizer. The system uses the concept of Liquid Phase Extraction and eliminates part of the water produced during the decomposition of hydrogen peroxide into water (H.sub.2 O) and oxygen (O.sub.2). The elimination of a part of the water produced during the decomposition allows the energy resulting from the combustion of oxygen and a fuel to be used to increase the prime mover performance of the system. The system comprises a decomposition chamber, a liquid/gas separator, a heat exchanger and a combustion chamber. Dilute hydrogen peroxide solution is catalytically decomposed in the decomposition chamber. The oxygen and the water produced during the decomposition of H.sub.2 O.sub.2 are separated by means of the separator. Some portion of the separated water is extracted. The mixture of oxygen and the remaining water is combined in the combustion chamber with the fuel and is ignited, producing hot gases under high pressure for a prime mover such as a turbine engine.

Claims8

Dependent claims

A combustion system using dilute hydrogen peroxide having a concentration less than 40 percent by weight and a fuel propellant which comprises:

a decomposition chamber for catalytically decomposing the dilute hydrogen peroxide having a concentration less than 40 percent by weight into liquid phase water and vapor phase oxygen as the decomposed components thereof;
a liquid/gas separator means for separating the liquid phase water and vapor phase oxygen of the decomposed dilute hydrogen peroxide, said separater means being mounted adjacent said decomposition chamber and being connected to said decomposition chamber;
means for feeding the components of the decomposed dilute hydrogen peroxide from said decomposition chamber into said liquid/gas separator means;
means for extracting a portion of the liquid phase water from the components of the decomposed dilute hydrogen peroxide being fed to said separater means;
and
a combustion chamber for mixing the oxygen and the remaining water with the fuel and for igniting the mixture thereof, said combustion chamber being mounted adjacent said separater means and being connected to said separater means.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 05/675,671Filed 9 Apr 1976
Granted: 13 Sep 1977
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

F23R 3/40
Continuous combustion chambers using liquid or gaseous fuel: characterised by the use of catalytic means
F02C 3/20
Gas-turbine plants characterised by the use of combustion products as the working fluid: using a special fuel, oxidant, or dilution fluid to…
F02C 3/30
Using a special fuel, oxidant, or dilution fluid to generate the combustion products: adding water, steam or other fluids for influencing…
Y02T 50/60
Aeronautics or air transport: efficient propulsion technologies, e.g. for aircraft