Gas and steam generator

Claim 3

A method for generating high pressure fluid for a work operation as set forth in claim 1 and including injecting the products of combustion of the ignited fuel-oxygen mixture in said first combustion stage into a second combustion stage prior to admitting a water bearing fluid into the said another succeeding combustion stage, admitting a hard to ignite fuel into said second combustion stage for ignition thereof by said products of combustion from said first combustion stage, and injecting the products of combustion from said second combustion stage into said another succeeding combustion stage for facilitating the production of steam therein.

Claim 4

A method for generating high pressure fluid for a work operation as set forth in claim 1 and including injecting the products of combustion of the ignited fuel-oxygen mixture in said first combustion stage into a second combustion stage prior to admitting a water bearing fluid into the said another succeeding combustion stage, introducing a water bearing fluid and a hard to ignite fuel into said second combustion stage for ignition by the said products of combustion of said first combustion stage whereby substantially all of the oxygen is burned from the mixture, introducing the products of combustion of the said second combustion stage into a third combustion stage, injecting an oxygen bearing fluid into said third combustion stage for facilitating combustion of the products contained therein, and discharging the products of combustion of the third combustion stage into said another succeeding combustion stage for facilitating the production of steam therein.

Claim 5

A method for generating high pressure fluid for a work operation as set forth in claim 1 wherein the hard to ignite fuel is liquified coal.

Claim 6

A method for generating high pressure fluid for a work operation as set forth in claim 4 wherein the liquified coal is a coal-water slurry.

Claim 7

A method for generating high pressure fluid for a work operation as set forth in claim 4 wherein the liquified coal is an oil-coal slurry.

Claim 8

A method for generating high pressure fluid for a work operation as set forth in claim 1 wherein the hard to ignite fuel is magnesium.

Claim 9

Apparatus for generating high pressure fluid for a work operation and comprising at least first and second stage combustion chambers in open communication with one another, mixing valve means in communication with the first stage combustion chamber, passageway means in independent communications with a source of oxygen and a source of fuel for simultaneously directing the oxygen and fuel to the mixer valve for injecting a fuel-oxygen mixture into the first stage combustion chamber, ignition means in communication with the first stage combustion chamber for igniting the fuel-oxygen mixture therein, restriction port means interposed between the first and second stage combustion chambers to provide upstream pressure within the first stage combustion chamber in excess of the pressure released through the restriction port means into the second stage combustion chamber, inlet means open to the first stage combustion chamber in the proximity of the restrictive port means for admitting water bearing fluid into the downstream side of the first stage combustion chamber for mixing with the products of combustion of the ignited fuel-oxygen mixture as the products of combustion are released through the restrictive port means into the second stage combustion chamber, wherein steam is produced from the water bearing fluid and is heated to a super-heated stage, restrictive port means provided at the downstream end of the second stage combustion chamber for release of the super heated steam therefrom to provide useful energy.

Claim 10

Apparatus for generating high pressure fluid for a work operation and comprising at least first and second stage combustion chambers in open communication with one another, mixing valve means in communication with the first stage combustion chamber, passageway means in independent communications with a source of oxygen and a source of fuel for simultaneously directing the oxygen and fuel to the mixer valve for injecting a fuel-oxygen mixture into the first stage combustion chamber, ignition means in communication with the first stage combustion chamber for igniting the fuel-oxygen mixture therein, restriction port means interposed between the first and second stage combustion chambers to provide upstream pressure within the first stage combustion chamber in excess of the pressure released through the restriction port means into the second stage combustion chamber, inlet means open to the first stage combustion chamber in the proximity of the restrictive port means for admitting water bearing fluid into the downstream side of the first stage combustion chamber for mixing with the products of combustion of the ignited fuel-oxygen mixture as the products of combustion are released through the restrictive port means into the second stage combustion chamber, wherein steam is produced from the water bearing fluid and is heated to a super-heated stage, restrictive port means provided at the downstream end of the second stage combustion chamber for release of the super heated steam therefrom to provide useful energy.

Claim 11

Apparatus for generating high pressure fluid for a work operation as set forth in claim 8 and including recycling means for returning the steam to the inlet means subsequent to the use of the superheated steam in the work operation.

Claim 12

Apparatus for generating high pressure fluid for a work operation as set forth in claim 8 wherein the volume of the second stage combustion chamber is greater than the volume of the first stage combustion chamber.

Claim 13

Apparatus for generating high pressure fluid for a work operation as set forth in claim 10 wherein the volume of the second stage combustion chamber is approximately sixty percent larger than the volume of the first stage combustion chamber.

Claim 14

Apparatus for generating high pressure fluid for a work operation as set forth in claim 8 and including metering means in communication with the inlet means for metering the flow of steam thereto.

Claim 15

Apparatus for generating high pressure fluid for a work operation and comprising a plurality of combustion chamber assemblies secured in end-to-end relation and having at least two interconnected combustion chambers provided therein, each of said combustion chambers being provided with a restrictive orifice at the outlet end thereof whereby high pressure and high temperature conditions are created in the upstream portion of the respective combustion chamber, mixer valve means provided in one of said combustion chamber assemblies and in open communication with the respective combustion chamber, first passageway means provided in the said one combustion chamber assembly in independent communication with an oxygen containing fluid and a fuel containing fluid for simultaneously directing the fluids to the mixer valve for discharge into the said respective combustion chamber, ignitor means provided in said one combustion chamber assembly and in operable communication with the said respective combustion chamber for igniting the fuel-oxygen mixture therein, second passageway means provided in said one combustion chamber assembly providing communication between the exterior thereof and the proximity of the restrictive orifice of said respective combustion chamber for simultaneously admitting water bearing fluid and a second fuel product into the products of combustion moving through the restrictive orifice of the said respective combustion chamber whereby the second fuel product and components of the water bearing fluid are ignited for burning and passed into the respective combustion chamber of the next succeeding combustion chamber assembly, the restrictive orifice of the last mentioned combustion chamber providing a discharge port for the high pressure fluids from the apparatus to provide energy for use in the work operation.

Claim 16

Apparatus for generating high pressure fluid for a work operation and comprising a plurality of combustion chamber assemblies secured in end-to-end relation and having at least two interconnected combustion chambers provided therein, each of said combustion chambers being provided with a restrictive orifice at the outlet end thereof whereby high pressure and high temperature conditions are created in the upstream portion of the respective combustion chamber, mixer valve means provided in one of said combustion chamber assemblies and in open communication with the respective combustion chamber, first passageway means provided in the said one combustion chamber assembly in independent communication with an oxygen containing fluid and a fuel containing fluid for simultaneously directing the fluids to the mixer valve for discharge into the said respective combustion chamber, ignitor means provided in said one combustion chamber assembly and in operable communication with the said respective combustion chamber for igniting the fuel-oxygen mixture therein, second passageway means provided in said one combustion chamber assembly providing communication between the exterior thereof and the proximity of the restrictive orifice of said respective combustion chamber for simultaneously admitting water bearing fluid and a second fuel product into the products of combustion moving through the restrictive orifice of the said respective combustion chamber whereby the second fuel product and components of the water bearing fluid are ignited for burning and passed into the respective combustion chamber of the next succeeding combustion chamber assembly, the restrictive orifice of the last mentioned combustion chamber providing a discharge port for the high pressure fluids from the apparatus to provide energy for use in the work operation.

Claim 17

Apparatus for generating high pressure fluid as set forth in claim 13, wherein the first passageway means comprises helical passageway means provided in the said one combustion chamber assembly and in communication with the mixer valve means, radially extending passageway means provided in the said one combustion chamber assembly providing communication between the exterior of the apparatus the and helical passageway means whereby said oxygen containing fluid and said fuel containing fluid may be directed to the mixer valve means.

Claim 18

Apparatus for generating high pressure fluid as set forth in claim 14 wherein the helical passageway means comprises two separate helical passageways, and the radially extending passageway means comprises a pair of independent oppositely disposed passageways, each of said radially extending passageways being in independent communication with separate helical passageways whereby the oxygen containing fluid and fuel containing fluid are independently and simultaneously directed to the mixer valve means.

Claim 19

Apparatus for generating high pressure fluid as set forth in claim 13 wherein the second passageway means comprises a pair of oppositely disposed substantially radially extending passageways provided in the said one combustion chamber assembly whereby said steam and second fuel product are independently delivered into the proximity of the restrictive orifice of the respective combustion chamber.

Claim 20

Apparatus for generating high pressure fluid as set forth in claim 13 and including a plurality of additional interconnected combustion chambers provided therein, each of said additional combustion chambers being provided with restrictive orifices at the outlet end thereof for creating high pressure and temperatures in the respective upstream combustion chamber, and each of said additional combustion chambers being provided with passageway means for admitting steam and an additional fuel product into the proximity of the respective orifice for burning of the additional fuel products and components of the steam for producing high pressure fluid with a minimum of waste product.

Claim 21

Apparatus for generating high pressure fluid as set forth in claim 13 wherein insulating jacket means is provided around selected combustion chambers for increasing the operating efficiency of the apparatus.