Fuel supply device for an internal combustion engine
AssigneeRobert Bosch GmbH
InventorsHanspeter Mayer, Theodor Stipek
Life of this patent
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Abstract
A fuel supply device for an internal combustion engine has a supply container, at least one feed pump for supplying a fuel from the supply container, a high pressure pump to which the fuel is supplied from the supply container by the feed pump, so that the fuel is supplied under high pressure at least indirectly to injection points of an internal combustion engine, the feed pump being driven mechanically by the internal combustion engine, and a further feed pump provided additionally to the mechanically driven feed pump and supplying the fuel from the supply container to the high pressure pump, the further feed pump having an electric drive and being operable independently from the mechanically driven feed pump.
Claims10
A fuel supply device for an internal combustion engine, comprising a supply container;
- at least one feed pump for supplying a fuel from said supply container;
- a high pressure pump to which said fuel is supplied from said supply container by said feed pump, so that the fuel is supplied under high pressure at least indirectly to injection points of an internal combustion engine;
- said feed pump being driven mechanically by the internal combustion engine;
- and a further feed pump provided additionally to said mechanically driven feed pump and supplying the fuel from said supply container to said high pressure pump, said further feed pump having an electric drive and being operable independently from said mechanically driven feed pump.
Dependencies are inferred from the claim text.