Saturated vapor gun

Claim 2

In vapor generating apparatus, a vapor generating gun comprising a combustion chamber; combustion chamber air and fuel inlets;

Claim 3

a combustion chamber outlet duct including an outlet nozzle having a circular cross section of reduced diameter through which nozzle the hot gases produced in the combustion chamber exit in the form of a jet of hot gases; a water spray generator located in said duct so that the water spray generated therein is at least partially vaporized by said exiting jet hot gases; a source of pressurized air; and a substantially annular conduit connected to said source of pressurized air and located to produce an annular stream of pressurized air which substantially envelopes said jet of hot gases and the vaporized water spray therein, condenses at least part of said vaporized water and entrains same within the jet of hot gases, and transports over substantial distances the jet of hot gases and entrained vaporized and condensed water.

Claim 4

a combustion chamber outlet duct including an outlet nozzle having a circular cross section of reduced diameter through which nozzle the hot gases produced in the combustion chamber exit in the form of a jet of hot gases; a water spray generator located in said duct so that the water spray generated therein is at least partially vaporized by said exiting jet hot gases; a source of pressurized air; and a substantially annular conduit connected to said source of pressurized air and located to produce an annular stream of pressurized air which substantially envelopes said jet of hot gases and the vaporized water spray therein, condenses at least part of said vaporized water and entrains same within the jet of hot gases, and transports over substantial distances the jet of hot gases and entrained vaporized and condensed water.

Claim 5

In vapor generating apparatus, a vapor generating gun according to claim 1 and furthermore comprising air coupling means for coupling said combustion chamber air inlet and said annular conduit to said source of pressurized air.

Claim 6

In vapor generating apparatus, a vapor generating gun according to claim 2 and furthermore comprising a sleeve surrounding and spaced from an outer wall of said combustion chamber, a first end of said sleeve communicating with said air coupling means; a second and opposite end of said sleeve communicating with said annular conduit.

Claim 7

In vapor generating apparatus, a vapor generating gun according to claim 3 wherein walls of said duct are formed with additional air inlets through which air is drawn upon the flow of hot gases through said duct.

Claim 8

Vapor generating apparatus comprising support means; a vapor generating gun according to claim 1 articulated to said support means so as to enable rotational displacement of said outlet duct.

Claim 9

Vapor generating apparatus comprising support means; a vapor generating gun according to claim 4 articulated to said support means so as to permit rotational displacement of said outlet duct.

Claim 10

Vapor generating apparatus according to claim 5 wherein said support means is readily displaceable.

Claim 11

A vapor generating apparatus including a vapor generating gun comprising: a combustion chamber including means to effect combustion of fuel therein; means to feed air to said combustion chamber; means to feed fuel to said combustion chamber; exit means to pass hot gases produced in said combustion chamber therefrom, said exit means comprising an outlet duct from said combustion chamber; means to use the hot gases passing through said outlet duct to partially vaporize a water spray to provide a mixed stream of water vapor and water droplets, comprising a water injector means located adjacent said outlet duct and generally coaxial therewith, and means to pass a spray of water therethrough to provide a water spray exiting said injector means; and means for forming a pressurized air envelope to entrain and transport in substantially jet form the partially vaporized water spray, said means comprising a substantially annular air outlet passageway surrounding said hot gases exit means, and means to feed air under pressure through said annular air outlet passageway.

Claim 12

A vapor generating apparatus including a vapor generating gun comprising: a combustion chamber including means to effect combustion of fuel therein; means to feed air to said combustion chamber; means to feed fuel to said combustion chamber; exit means to pass hot gases produced in said combustion chamber therefrom, said exit means comprising an outlet duct from said combustion chamber; means to use the hot gases passing through said outlet duct to partially vaporize a water spray to provide a mixed stream of water vapor and water droplets, comprising a water injector means located adjacent said outlet duct and generally coaxial therewith, and means to pass a spray of water therethrough to provide a water spray exiting said injector means; and means for forming a pressurized air envelope to entrain and transport in substantially jet form the partially vaporized water spray, said means comprising a substantially annular air outlet passageway surrounding said hot gases exit means, and means to feed air under pressure through said annular air outlet passageway.

Claim 13

Vapor generating apparatus, comprising: a source of compressed air, combustion chamber means having an inlet and an outlet displaced from said inlet, means for supplying compressed air from said source to said inlet, said outlet including nozzle means to provide a jet of heated gases, water spray ejector means located to supply a spray of water in the jet of heated gases, and means for surrounding said jet of heated gases with a jet of compressed air from said source.

Claim 14

Vapor generating apparatus, comprising: a source of compressed air, combustion chamber means having an inlet and an outlet displaced from said inlet, means for supplying compressed air from said source to said inlet, said outlet including nozzle means to provide a jet of heated gases, water spray ejector means located to supply a spray of water in the jet of heated gases, and means for surrounding said jet of heated gases with a jet of compressed air from said source.