Fuel injector having extended voltage range

Details Fuel injector having extended voltage range Fuel injector having extended voltage range

1998-12-07

2000-09-19

Lee, Kevin

Internal-combustion engines

Charge forming device

Fuel injection system

361154, F02M 5100, H01H 4732

Patent

active

061196592

ABSTRACT:
A fuel injector apparatus includes an electromagnetic fuel injector having a housing and a magnetic circuit in the housing. The magnetic circuit including an electromagnetic coil constructed and arranged to operate at a nominal voltage to open the fuel injector. The nominal voltage is substantially less that a supply voltage. Circuit structure is electrically coupled with the coil and is constructed and arranged to step-down the supply voltage to be substantially the nominal voltage at the coil.

REFERENCES:
patent: 4338651 (1982-07-01), Henrich
patent: 4417201 (1983-11-01), Reddy
patent: 5937828 (1999-08-01), Watanabe
patent: 5975057 (1999-11-01), Repplinger et al.

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