Method for setting the feed rate of a fuel pump unit, which...

Details Method for setting the feed rate of a fuel pump unit, which... Method for setting the feed rate of a fuel pump unit, which...

2007-06-19

2007-06-19

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S179170, C417S062000, C417S244000

Reexamination Certificate

active

11034301

ABSTRACT:
The invention relates to a method for setting the feed rate of a fuel pump unit, which sucks up fuel from a fuel tank8, as a function of the feed pressure, which is built up by the fuel pump unit, in an outlet25of the fuel pump unit, which outlet leads to an internal combustion engine. The fuel pump unit has a first pump stage and a second pump stage, the two pump stages being connected in parallel below a defined feed pressure in the outlet25of the fuel pump unit and being connected in series above the defined feed pressure.

REFERENCES:
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patent: 5435691 (1995-07-01), Braun et al.
patent: 5775304 (1998-07-01), Kono et al.
patent: 6196806 (2001-03-01), Van Der Sluis
patent: 2002/0187051 (2002-12-01), Maier et al.
patent: 2004/0208753 (2004-10-01), Mori
patent: 199 02 427 (2000-08-01), None
patent: 100 05 589 (2001-08-01), None
patent: 1 065 383 (2000-06-01), None
patent: 2002339823 (2002-11-01), None

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