Fuel delivery system
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United States of America Patent
Stats
-
May 29, 2007
Grant Date -
Jun 15, 2006
app pub date -
Jul 31, 2003
filing date -
Aug 23, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel delivery system for an engine is disclosed which includes an injector (20) and a housing (3) for supporting a fuel injector (20). A regulator (202, 313) is provided for regulating the pressure of fluid in the housing to maintain the pressure at about supply pressure, and the pressure downstream of the regulator at a low pressure so that fuel which passes the regulator is able to evaporate. The evaporated fuel is supplied to a heater (250) to heat the fuel, and the vapour is supplied to a vapour injector (260) for injection into the engine. The passage of the liquid petroleum gas fuel through the housing (3) cools the injector (20) to maintain the fuel in a liquid state, and therefore prevent boiling of the vapour within the injector.
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