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| Number | Title | Issue Date |
| 4412414 | Heavy fuel combustor A combustor for burning heavy residual fuel to drive a gas turbine engine has an elongated, imperforate vaporizing tube with an air blast nozzle at one end of the tube adjacent a cannister type preheater means arranged to swirl air blasted residual fuel i... | 11/01/1983 |
| 4387563 | Articulated power turbine gate A gas turbine engine has a compressor and power turbine driven by gas flow across a nozzle arrangement that includes a partial admission gate valve therein movable into and out of overlying relationship with a limited number of vanes of the nozzle in orde... | 06/14/1983 |
| 4373326 | Ceramic duct system for turbine engine A gas turbine engine has a metal engine block which houses interconnected ceramic duct components defining the gas flow path between a combustor and turbine stages of a two spool gas turbine engine. The ceramic duct components are coupled to the engine bl... | 02/15/1983 |
| 4364522 | High intensity air blast fuel nozzle An air blast nozzle includes a ring of air swirler vanes therein for producing a first turbulent flow of air therethrough and a turbulence generator located within the air flow through said swirler vanes to produce an intensification of the turbulent flow... | 12/21/1982 |
| 4363208 | Ceramic combustor mounting A combustor for a gas turbine engine includes a metal engine block including a wall portion defining a housing for a combustor having ceramic liner components. A ceramic outlet duct is supported by a compliant seal on the metal block and a reaction chambe... | 12/14/1982 |
| 4357025 | Regenerator seal design A rotary regenerator disc matrix has a face seal with a cross arm and arcuate rim segments joined by prestress clamps to prestrain the arcuate rim seals so as to compensate seal rim twisting or coning and resultant disc face seal leakage as produced by op... | 11/02/1982 |
| 4342428 | Powdered coal delivery system A dry coal fuel supply system for a gas turbine engine includes a continuous loop conveyor pump having a plurality of positive displacement pistons connected by a cable and driven by a variable speed motor with respect to an atmospheric reservoir filled w... | 08/03/1982 |
| 4337616 | Fuel air ratio controlled fuel splitter A fuel distribution system for regulating split of fuel flow between a pilot nozzle system and a main nozzle system for a combustor includes a flow network for directing fuel from a main fuel metering valve into an unrestricted line to a small pilot nozzl... | 07/06/1982 |
| 4338360 | Method for coating porous metal structure An improved method for coating a porous metal laminated structure having air flow holes on the coated side of the structure including in part, the steps of roughening an exposed surface of the porous laminated material and thereafter spraying a bond layer... | 07/06/1982 |
| 4335997 | Stress resistant hybrid radial turbine wheel A hybrid dual property radial turbine rotor for a gas turbine engine includes an airfoil shell having a plurality of radially outwardly directed airfoils thereon joined to a continuously circumferentially formed inner periphery including a constant diamet... | 06/22/1982 |
| 4326835 | Blade platform seal for ceramic/metal rotor assembly A combination ceramic and metal turbine rotor for use in high temperature gas turbine engines includes a metal rotor disc having a rim with a plurality of circumferentially spaced blade root retention slots therein to receive a plurality of ceramic blades... | 04/27/1982 |
| 4325673 | Variable vane seal A diffuser for a centrifugal compressor has an annular array of vanes which is movable to vary the configuration of the diffusing passages between the vanes. Each vane includes suction and pressure surfaces joined at an inlet apex and divergent therefrom ... | 04/20/1982 |
| 4318280 | Dual property shaft A power turbine rotor drive shaft has a flanged end connected to a turbine rotor disc supported by a rotor bearing housing so as to be rotatably supported by a turbine rotor bearing assembly at one end of the shaft and including a second splined end there... | 03/09/1982 |
| 4312186 | Shingled laminated porous material A gas turbine engine combustor has a porous wall structure for directing coolant from a compressed air plenum into a combustion chamber to cool its inner surface; an outer lamina has a first hole pattern therein and an inner lamina diffusion bonded to the... | 01/26/1982 |
| 4307994 | Variable vane position adjuster A turbine vane adjustment assembly for calibrating the nozzle/throat width dimension between adjacent adjustable vanes in a nozzle vane ring assembly and for producing conjoint rotation of the individual vane following their calibration includes a vane st... | 12/29/1981 |
| 4302940 | Patterned porous laminated material A transpiration air cooled combustor for use with gas turbine engines includes an annular wall of laminated readily deformable metal having plural layers of diffusion bonded material in a combustor wall with inner and outer surfaces; each of the inner and... | 12/01/1981 |
| 4301656 | Lean prechamber outflow combustor with continuous pilot flow A combustor assembly for an automotive gas turbine engine includes a continuously ignited, pilot flame tube supported on a combustor dome immediately downstream of a prevaporization prechamber with a fuel and air swirler. The pilot flame tube has an air s... | 11/24/1981 |
| 4302149 | Ceramic vane drive joint A variable geometry gas turbine has an array of ceramic composition vanes positioned by an actuating ring coupled through a plurality of circumferentially spaced turbine vane levers to the outer end of a metallic vane drive shaft at each of the ceramic va... | 11/24/1981 |
| 4301649 | Single rotor engine with turbine exhausting to subatmospheric pressure An automotive single shaft gas turbine engine has a monorotor with a plurality of radial flow compressor blades thereon discharging compressed air to a recuperator for transferring heat from engine exhaust to the inlet combustion air to a combustor which ... | 11/24/1981 |
| 4296888 | Powdered coal air dispersion nozzle An improved coal/air dispersion nozzle introduces fuel into the combustion chamber of a gas turbine engine as a finely atomized, dispersed spray for a uniform combustion. The nozzle has an inlet that receives finely powdered coal from a coal transport or ... | 10/27/1981 |
| 4296606 | Porous laminated material A porous, laminated metal fabrication includes first and second porous walls, each having laminae therein with a free edge portion across at least one end thereof; each of the first and second walls including an outer lamina with a first preformed hole pa... | 10/27/1981 |
| 4295791 | Scalloped ceramic turbine A unitary ceramic gas turbine wheel for use in gas turbine engines having turbine inlet temperatures in excess of 2000° F. includes an outer rim of reduced axial length that is merged with scallops in the upstream face of the turbine wheel to reduce lead... | 10/20/1981 |
| 4292000 | Thrust nut lock retainer A propeller shaft nut lock assembly for retention of a propeller shaft bearing assembly includes an externally threaded shaft surface threadably receiving a thrust nut that includes an outboard undercut groove therein to receive a cup lock that is shifted... | 09/29/1981 |
| 4284658 | Regenerator seal A method for manufacturing a hot side regenerator cross arm seal assembly having a thermally stablilized wear coating with a substantially flat wear surface thereon to seal between low pressure and high pressure passages to and from the hot inboard side o... | 08/18/1981 |
| 4277092 | Supple exhaust coupling A flexible coupling for use in engine exhaust systems includes a pair of flanges maintained at a fixed distance with respect to one another by a pair of spaced shouldered bolt components and wherein one of the fixed flanges has a free end directed therefr... | 07/07/1981 |
| 4270344 | Hybrid dual shaft gas turbine with accumulator An automotive gas turbine engine includes a gasifier spool having variable iris control means for regulating air flow to a compressor supplying a primary burner that is operative to produce motive fluid for driving the gasifier turbine and to supply a the... | 06/02/1981 |
| 4270408 | Gear drive for gas turbine engine A drive system for a multiple gas turbine engine system includes power output shafts from first and second gas turbine engines, each power shaft connected to drive a load and each engine including a load sharing cross-over shaft for power transfer from on... | 06/02/1981 |
| 4270256 | Manufacture of composite turbine rotors A method for manufacturing a turbine rotor assembly from dissimilar materials to produce a hybrid composite rotor including the steps of: preforming a hub disc of a controlled outer diameter and prefabricating a ring of airfoils including a machine slotte... | 06/02/1981 |
| 4269032 | Waffle pattern porous material A transpiration air cooled combustor assembly for a gas turbine engine includes an annular liner of laminated metal with an inner sheet and an outer sheet having a plurality of mechanically formed holes therein on either side of a mechanically pressed waf... | 05/26/1981 |
| 4268220 | Thrust balancing A gas turbine engine having variable geometry flow controllers therein for controlling mass flow in accordance with engine operation includes a rotor with a wide variation in thrust forces thereon during different phases of engine operation countered by a... | 05/19/1981 |
| 4263780 | Lean prechamber outflow combustor with sets of primary air entrances A combustion apparatus for gas turbine engines particularly adapted to reduce emissions to meet automotive requirements. The fuel is laid on the wall of a cylindrical prechamber and evaporated from the wall by combustion air which is introduced through a ... | 04/28/1981 |
| 4256171 | Regenerator seal hub gas passages A regenerator cross arm seal structure for a rotary regenerator of a gas turbine engine includes a cross arm seal extending diametrically of a matrix of the rotating regenerator which includes a center bore therein for a drive bushing and spindle; the sea... | 03/17/1981 |
| 4251985 | Bleed valve control circuit A gas turbine engine control for regulating bleed from a compressor which has an engine performance map that is compressor stall stable when the ambient inlet air temperature of the engine exceeds a predetermined level and including a compressor bleed val... | 02/24/1981 |
| 4248569 | Stator mounting A turbine rotor shroud is mounted by means for rigidly supporting it on an internal bearing for turbine and shaft components of a gas turbine engine and a low rate flexible seal member extends between the outer case of the gas turbine engine and an outer ... | 02/03/1981 |
| 4248566 | Dual function compressor bleed A centrifugal compressor for a gas turbine turbo-shaft engine includes a stationary shroud cover over the inducer section of an impeller in the centrifugal compressor including a plurality of raised reinforcing bridges at the leading edge of the outer sur... | 02/03/1981 |
| 4247247 | Blade tip clearance control A turbine blade tip seal assembly for controlling the blade tip clearance between a flexible outer shroud and the tips of a thermally expansible row of turbine blades on a turbine rotor includes a fixed outer shroud with a pressure deflectable wall portio... | 01/27/1981 |
| 4245769 | Laminate bonding method A method for manufacturing a composite sheet of material having a controlled porous characteristic and made up of two or more metal lamina bonded together, including the steps of forming first and second sheets of porous material with a first and second a... | 01/20/1981 |
| 4245464 | Quick release turbine gate valve A gas turbine engine has a compressor and power turbine driven by gas flow across a nozzle arrangement that includes a partial admission gate valve therein movable into and out of overlying relationship with a limited number of vanes of the nozzle in orde... | 01/20/1981 |
| 4245951 | Power turbine support A gas turbine engine power turbine support structural nozzle includes a nozzle ring with an annular outer shroud and an inboard blade platform having a plurality of cast nozzle vanes therebetween located at circumferentially spaced points for directing mo... | 01/20/1981 |
| 4244178 | Porous laminated combustor structure A combustor assembly for a gas turbine engine includes a tubular, multi-layered porous metal wall with pores and cavities for distribution of compressor discharge air into a combustion chamber and wherein a rigid combustor support ring connects one end of... | 01/13/1981 |
