Purge fuel flow rate determination method

A method for determining a purge fuel mass flow rate from a fuel vapour control system to an internal combustion engine having a compressor for delivering purge gas from the fuel vapour control system to the engine, the method including; determining the temperature rise of the purge gas passing thro...

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Bibliographische Detailangaben
1. Verfasser:	HILL, RAYMOND JOHN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A method for determining a purge fuel mass flow rate from a fuel vapour control system to an internal combustion engine having a compressor for delivering purge gas from the fuel vapour control system to the engine, the method including; determining the temperature rise of the purge gas passing through the compressor; determining the specific heat ratio of the purge gas as a function of the temperature rise; and determining the purge fuel mass flow rate as a function of the specific heat ratio of the purge gas. Preferably, the fuel vapour control system includes an air/fuel separation means for collecting fuel vapour generated within the engine.