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Process for recovering low-boiling acids
(United States. Patent and Trademark Office, 2002-05-28)
The invention provides a method for recovering low-boiling acids from a concentrated solution of the calcium salt of the acid by treating the concentrated solution of calcium salts of the low-boiling acids with a high ...
Gerotor apparatus for a quasi-isothermal brayton cycle engine
(United States. Patent and Trademark Office, 2006-03-07)
According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
Vapor-compression evaporative air conditioning systems and components
(United States. Patent and Trademark Office, 2004-02-03)
Novel vapor compression evaporative cooling systems which use water as a refrigerant are provided, as are methods for using same. Also provided are novel compressors, compressor components, and means for removing noncondensibles ...
Jet ejector system and method
(United States. Patent and Trademark Office, 2008-02-12)
According to one embodiment of the invention, a jet ejector method includes providing a primary jet ejector having a primary inlet stream, coupling one or more secondary jet ejectors to the primary jet ejector such that ...
Thermal conversion of fatty acid salts to ketones
(United States. Patent and Trademark Office, 2001-07-17)
This invention provides a method for thermally converting volatile fatty acid (VFA) salts to ketones by mixing dry calcium salts of VFAs with hot heat transfer agent in an evacuated container, thereby causing thermal ...
Vapor-compression evaporative air conditioning systems and components
(United States. Patent and Trademark Office, 2006-08-22)
Novel vapor compression evaporative cooling systems which use water as a refrigerant are provided, as are methods for using same. Also provided are novel compressors, compressor components, and means for removing noncondensibles ...
Quasi-isothermal Brayton cycle engine
(United States. Patent and Trademark Office, 2002-01-08)
An engine is disclosed. According to one embodiment of the present invention, the engine comprises a compressor, and combustor, and an expander. The compressor compresses ambient air. The combustor burns the compressed ...
Gerotor apparatus for a quasi-isothermal Brayton cycle Engine
(United States. Patent and Trademark Office, 2007-03-06)
According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
Recovery of fermentation salts from dilute aqueous solutions
(United States. Patent and Trademark Office, 2002-11-12)
Dilute solutions of fermentation sales may be concentrated by extracting water using low-miscibility, low-molecular-weight secondary and tertiary amines, e.g. triethylamine (TEA), diisopropyl amine (DIA), N,N-diethylmethylamine ...
Vapor-compression evaporation system and method
(United States. Patent and Trademark Office, 2007-08-07)
According to one embodiment of the invention, a vapor-compression evaporation system includes a plurality of vessels in series each containing a feed having a nonvolatile component. A first set of the plurality of vessels ...