Asynchronous control of high-pressure pump for direct...

Details Asynchronous control of high-pressure pump for direct... Asynchronous control of high-pressure pump for direct...

2009-02-25

2011-10-11

Huynh, Hai (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S457000, C123S506000, C123S511000

Reexamination Certificate

active

08033268

ABSTRACT:
An engine control system includes a starting module, a position module, and a deactivation module. The starting module determines when a crankshaft starts to rotate and activates a control valve of a fuel pump when the crankshaft starts to rotate. The position module determines a position of the crankshaft and determines a position of a camshaft based on the position of the crankshaft. The camshaft drives the fuel pump. The deactivation module deactivates the control valve when the position module determines the position of the camshaft.

REFERENCES:
patent: 6135090 (2000-10-01), Kawachi et al.
patent: 6953025 (2005-10-01), Takahashi
patent: 7240666 (2007-07-01), Okamoto
patent: 7325536 (2008-02-01), Okamoto
patent: 7546832 (2009-06-01), Okamoto et al.
patent: 7591239 (2009-09-01), Okamoto

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