1
Arthur P Adamson: Differential geared engine. General Electric Company, Robert C Lampe Jr, Donald W Walk, Derek P Lawrence, February 24, 1981: US04251987 (121 worldwide citation)

A gas turbine engine comprising a fan, a compressor and a turbine, wherein the torque requirements of the fan or compressor can be modulated, is provided with differential gearing to transmit all of the fan and compressor power requirements from the turbine. The differential gearing maintains an adj ...


2
Ernest Elovic: Cooling air cooler for a gas turbofan engine. General Electric Company, Robert C Lampe Jr, Donald W Walk, Derek P Lawrence, March 10, 1981: US04254618 (92 worldwide citation)

An air-to-air heat exchanger is provided for a gas turbofan engine to significantly reduce the quantity of cooling air that is presently needed to effectively cool the hot turbine parts. Typically, the turbine is internally cooled with air bled from the compressor which, though cooler than the turbi ...


3
Edgar O Stephenson, Victor R R Brown: High temperature insulated casing. General Electric Company, Robert C Lampe Jr, November 15, 1983: US04415184 (82 worldwide citation)

An insulated casing assembly for use in injecting steam into wells or transmitting steam from the generating source to the wellhead is disclosed. A plurality of interconnected casings are used, each casing have outer and inner tubular sections and an annular spacing between the two sections containi ...


4
Martin C Hemsworth, Robert J Corsmeier, Ambrose A Hauser: Ceramic turbine shroud assembly. General Electric Company, Robert C Lampe Jr, Derek P Lawrence, May 2, 1978: US04087199 (76 worldwide citation)

A high temperature turbine shroud assembly for an aircraft gas turbine engine comprising a plurality of arcuate ceramic blocks arranged in a ring. The blocks are supported by a pair of annular support members which retain the blocks in the assembly. Spring-like fingers associated with the support me ...


5
William W Thomas, Elmore V Sprunger: Two-spool variable cycle engine. General Electric Company, Robert C Lampe Jr, Derek P Lawrence, August 23, 1977: US04043121 (74 worldwide citation)

An auxiliary fan is disposed upon the periphery of at least a portion of the fan of a conventional gas turbofan engine. Flow modulating components such as variable vanes and nozzles are utilized in conjunction therewith to produce a wide range of operating bypass ratios. Such an engine is one of the ...


6
Edgar O Stephenson, John M Kohl, Charles R Cunningham: Insulated casing assembly. General Electric Company, Robert C Lampe Jr, H H Green Jr, June 1, 1982: US04332401 (72 worldwide citation)

An insulated casing assembly for use in injecting steam into wells, comprising a plurality of interconnected casings, each casing having outer and inner tubular sections, an annular spacing between the two sections containing multilayered thermal insulation enveloped in a low conductivity gas, and t ...


7
Conrad D Wagenknecht, Guy K Faust: Individual bypass injector valves for a double bypass variable cycle turbofan engine. General Electric Company, Robert C Lampe Jr, Derek P Lawrence, November 27, 1979: US04175384 (65 worldwide citation)

A double bypass, variable cycle gas turbofan engine is provided with a variable area bypass injector which varies the area through which the inner bypass stream is injected into the outer bypass stream. The bypass injector comprises an upstream variable area, double bypass selector valve, the positi ...


8
Bernard L Koff, Raymond E Budinger, James E Johnson: Modulating bypass variable cycle turbofan engine. General Electric Company, Robert C Lampe Jr, Derek P Lawrence, March 28, 1978: US04080785 (64 worldwide citation)

A turbofan engine is provided with a core engine, a first fan and a second fan. First and second fan ducts are provided for bypassing a portion of the air flow leaving the fans around the core engine. One of these fan ducts has its inlet disposed downstream of the second fan, while the second duct h ...


9
Arthur P Adamson: Composite airfoil construction. General Electric Company, Robert C Lampe Jr, Derek P Lawrence, September 27, 1977: US04051289 (63 worldwide citation)

An article such as a blade fabricated from a plurality of high-strength, reinforcing filaments embedded in a matrix material and characterized by a portion of the filaments oriented transverse to the blade longitudinal axis in a direction through the blade to enhance transverse shear strength. In on ...


10
Stephen B Kazin, Ram K Matta: Curved blade turbomachinery noise reduction. General Electric Company, Robert C Lampe Jr, Derek P Lawrence, December 26, 1978: US04131387 (60 worldwide citation)

A turbomachinery stage comprising two axially spaced blade rows, one of which is rotatable, wherein the blades of the upstream row are contoured to present a leaned wake to the downstream row. In the preferred embodiment, the blades of the upstream row extend radially from a central hub and, at a ra ...