WASTE HEAT RECOVERY SYSTEM

A method and apparatus for controlling the mass flow rate of a positive displacement expander comprises pumping a working fluid to a heat exchanger to convert the fluid into a working vapor. At least a portion of the working vapor is stored in an accumulator connected to the heat exchanger. At least...

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Bibliographische Detailangaben
Hauptverfasser:	VERSTEYHE MARK R.J, REMBOSKI DONALD J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINEPLANTS HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NOT OTHERWISE PROVIDED FOR STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES USE OF WASTE HEAT OF COMBUSTION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A method and apparatus for controlling the mass flow rate of a positive displacement expander comprises pumping a working fluid to a heat exchanger to convert the fluid into a working vapor. At least a portion of the working vapor is stored in an accumulator connected to the heat exchanger. At least a portion of the working vapor stored in the accumulator is selectively released into a positive displacement expander via a pulse width modulated valve to increase the efficiency of the expander.