Rolls-royce Corporation

Rolls-royce North American Technologies Inc.

Nathan J Cooper

Nathan Ottow

Gangshu Shen

John F Matlik

Robert Louis Goetz

Edward Claude Rice

Jonathan M Rivers

Jonathan Acker

Robert F Proctor

Mark E Bartolomeo

Philip Michael Bastnagel

Maxwell Layman

Eric Handa

Aaron Martin

Christopher I Hamilton

Nathan Wesley Ottow

In some examples, an apparatus includes a pallet supporting a plurality of workpieces, the pallet including through-holes structured to pass a quenching fluid. In some examples, the apparatus further includes a reservoir of quenching fluid configured to provide the quenching fluid, and a plurality of upturned wall portions extending from the pallet and substantially surrounding the exteriors of the plurality of workpieces. The plurality of upturned wall portions may be located in relative orientation to the plurality of workpieces to regulate heat transfer coefficients of the plurality of workpieces during a quenching operation.

Wall member useful in quenching

A power transmission device includes a quill shaft having a first end and a second end, a first shaft engaged with the first end of the quill shaft, and a second shaft engaged with the second end of the quill shaft. An ejector orifice is provided at the second end of the quill shaft distal from the first shaft such that the ejector orifice forms an oblique angle with respect to the quill shaft, and the ejector orifice is adapted to eject a fluid therethrough.

Power transmission device

An article that includes a structured substrate having a macro-porous structure that defines a plurality of pores, and a metallic nano-crystalline coating on at least a portion of the structured substrate, where the metallic nano-crystalline coating defines an average grain size less than about 20 nanometers.

High strength aerospace components

According to one aspect, a rotary exhaust valve system includes an arcuate ring having a first plurality of apertures and a rotary valve ring disposed in an overlapping relation with the arcuate ring. The rotary valve ring has a second plurality of apertures forming therein corresponding to at least some of the first plurality of apertures. A first crank is disposed in a first side of the rotary exhaust valve system, and a second crank is disposed in a second side of the rotary exhaust valve system. The second crank is connected to the first crank and the rotary valve ring, and the first crank actuates the second crank and moves the rotary valve ring such that openings of the first plurality of apertures are closed and opened.

Rotary exhaust valve system

One embodiment of the present invention is a unique gas turbine engine. Another embodiment of the present invention is a gas turbine engine having a unique secondary air flow circuit. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for gas turbine engines and secondary air flow circuits. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.

Gas turbine engine with secondary air flow circuit

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Avon, IN, United States of America

Nathan J Cooper