1
David J Ball, Edward Varney: Calcination apparatus. United States Gypsum Company, Robert H Robinson, John M Lorenzen, April 30, 1991: US05011668 (12 worldwide citation)

In a method and apparatus for calcining calcium sulphate dihydrate or like heat sensitive material, in which a bed of the material is heated in a vessel (41) by the direct introduction of a hot gas through a tube (21) extending downwardly into the bed, the proportion of insoluble anhydrite (II) in t ...


2
David J Ball, Edward Varney, Philip Curtis, Martin Dzidrums: Calcination apparatus. United States Gypsum Company, John M Lorenzen, Robert H Robinson, April 10, 1990: US04915623 (8 worldwide citation)

The invention concerns an improved method of calcining gypsum in which non-reactive hot gas is passed into contact with the gypsum from a source through a plurality of tubes extending downwardly into the gypsum. The invention also contemplates an improved apparatus which comprises a calcining kettle ...


3
Arthur G T Ward, David J Ball, Philip Curtis, Edward Varney: Method and apparatus for heating and grinding materials. BPB Industries Public Company, Birch Stewart Kolasch & Birch, December 3, 1996: US05580002 (6 worldwide citation)

Hot gas is introduced into a fluidised bed of granular material, for example gypsum, contained in a vessel 10 having a grinding device or mill 11 in its lower region, which may comprise grinding rollers 15 cooperating with a table 17 on the base of the vessel. The gas may be supplied through a tube ...


4
Bruce Edward Varney, Vickie Rae Smiley, Todd S Taylor, Jack Dwane Petty Sr: Combustor liner support and seal assembly. Rolls Royce Corporation, Ray Meiers, Meiers Law Office, March 8, 2011: US07900461 (6 worldwide citation)

The invention is a combination that includes a gas turbine engine extending along an axis. The gas turbine engine includes an annular combustor with a combustor liner. The combination of the invention also includes a plurality of projections extending from the combustor liner and spaced from one ano ...


5
Bruce Edward Varney, Ted Joseph Freeman: Monolithic ceramic rods to enable cooling holes in CMC. Rolls Royce Corporation, Brinks Gilson & Lione, October 24, 2017: US09797263 (1 worldwide citation)

A method to form a hole in a ceramic matrix composite component may be provided. A monolithic rod may be inserted into a porous ceramic preform. The ceramic preform may be formed into a ceramic matrix composite body that includes the monolithic rod. A portion of the monolithic rod may be removed, le ...


6
Bruce Edward Varney: Cooling holes manufactured with EBC in place. Rolls Royce Corporation, Brinks Gilson & Lione, July 17, 2018: US10024175

A method for forming a hole in a ceramic matrix composite (CMC) component may be provided. A sacrificial fiber having an environmental barrier coating on an outer surface thereof may be inserted into a porous ceramic preform that includes ceramic fibers. The ceramic preform may be formed into a cera ...


7
Bruce Edward Varney, Vickie Rae Smiley, Todd S Taylor, Jack Dwane Petty SR: Combustor liner support and seal assembly. MacMillan Sobanski & Todd, January 21, 2010: US20100011780-A1

The invention is a combination that includes a gas turbine engine extending along an axis. The gas turbine engine includes an annular combustor with a combustor liner. The combination of the invention also includes a plurality of projections extending from the combustor liner and spaced from one ano ...


8
Edward Claude Rice, Jack Dwane Petty, Bruce Edward Varney, Mindi Danette Wigal: Gas turbine engine and diffuser. July 5, 2012: US20120167572-A1

One embodiment of the present invention is a unique gas turbine engine. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for gas turbine engines and components thereof. Further embodiments, forms, features, aspects, benefits, and advantages of the present ...