Klaus Rud, Alois Rohra: Turbo engine. MTU Motoren und Turbinen Union Munchen, Evenson Wands Edwards Lenahan & McKeown, March 19, 1991: US04999994 (86 worldwide citation)

A turbo engine with a gas turbine to drive propellers or propfan blades is disclosed which includes a speed reduction transmission interposed behind the gas turbine output drive shaft and the propellers or propfan blades. A cooling air impeller is provided to provide the supply of cooling air to an ...

Helmut Geidel, Alois Rohra: Propfan turbine engine. Motoren und Turbinen Union Munchen, Roberts Spiecens & Cohen, December 19, 1989: US04887424 (70 worldwide citation)

A propfan turbine engine having a reduction gearing for the propfan rotors is provided with a lubricating system of its own for the reduction gearing, the system being arranged axially between the gas turbine and the reduction gearing and formed as an annular assembly surrounding a drive shaft from ...

Werner Huther, Axel Rossmann: Multiple-layer wall for a hollow body and method for manufacturing same. Motoren und Turbinen Union Munchen, Posnack Roberts Cohen & Spiecens, April 16, 1985: US04511612 (64 worldwide citation)

A multiple-layer wall is provided for a hollow body to sustain high thermal and mechanical loads and to afford adequate thermal insulation. The wall has, on the inside, a heat and/or wear resistant ceramic inner layer and, surrounding it, a preferably prestressed retaining layer of fiber reinforced ...

Gunter Albrecht, Albert Sickinger, Hans Jurgen Schmuhl: Casing for a thermal turbomachine having a heat-insulating liner. MTU Motoren Und Turbinen Union Munchen, Alan H Levine, September 20, 1983: US04405284 (64 worldwide citation)

A thermal turbomachine casing having a multilayer heat insulation liner including a metallic bond coat in direct contact with the casing wall, a ceramic heat insulation layer bonded to the bond coat, and preferably an abradable coating in the form of a porous, predominantly metallic, top layer bonde ...

Guenter Kappler, Adolf Fehler: Thermodynamic prime mover with heat exchanger. Motoren und Turbinen Union Munchen, M A N Maybach Mercedes Benz, W G Fasse, W W Roberts, September 27, 1977: US04050239 (61 worldwide citation)

The useful life of a gas turbine combustion chamber and especially its flame pipe is increased by an improved cooling arrangement which branches off a small proportion of the air from the compressor upstream of the combustion chamber. The branched off air is directed into the combustion chamber and ...

Bernhard Wohrl, Klaus Hagemeister: Brush seal. MTU Motoren und Turbinen Union Munchen, Roberts Spiecens & Cohen, November 1, 1988: US04781388 (56 worldwide citation)

A brush seal for first and second spaced, adjoining members which are capable of undergoing universal relative displacement, the seal comprising a plurality of flexible bristles having opposite ends, one of which is secured in a clamp causing the bristles to fan outwardly towards the other end. The ...

Siegfried Sikorski, Michael Schober, Reinhold Schoenacher: Composite comprising a resin prepreg and a protective sheet containing ferromagnetic material and which is adhered to the resin prepreg by magnetic forces. MTU Motoren und Turbinen Union Munchen, Ladas & Parry, December 24, 1991: US05075166 (48 worldwide citation)

A protective sheet for a resin pre-impregnated fiber board (prepreg) incorporates ferromagnetic material. This permits effective and safe manipulation of the fiber board during processing (trimming) and in the manufacture of fiber components.

Ludwig Schweikl, Horst Weiss, Friedrich Sippel: Turbine nozzle vane suspension for gas turbine engines. Motoren und Turbinen Union Munchen, Alan H Levine, May 24, 1983: US04384822 (44 worldwide citation)

A turbine nozzle vane suspension arrangement of the type wherein the nozzle vanes are suspended by their outer shroud segments from the outer turbine casing and are suspended by their vane ring segments from an annular vane carrier. The vane carrier has axially spaced apart and radially-extending wa ...

Herbert Hoffelner: Sealing device for turbo engines and the like. MTU Motoren und Turbinen Union Munchen, Evenson Wands Edwards Lenahan & McKeown, June 25, 1991: US05026252 (42 worldwide citation)

A sealing device is provided, specifically between engine spaces which fluidically are acted upon by a different pressure, particularly for turbo-engines, such as gas turbo-engines. The sealing device includes at least one brush sealing device non-rotatably anchored at the stator side, the free bris ...

Alois Rohra, Helmut A Geidel: Turbofan engine having a contrarotating low-pressure compressor. MTU Motoren Und Turbinen Union Munchen, Evenson Mckeown Edwards & Lenahan, January 4, 1994: US05274999 (37 worldwide citation)

A turbofan engine includes two oppositely rotating fan rotors which are arranged upstream of the core engine, and has a booster with two contra-rotating coaxial rotors. The radially exterior booster rotor is arranged between the rearward fan rotor and the low-pressure turbine in a torque-transmittin ...