Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2011-04-05
2011-04-05
Cronin, Stephen K (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C239S102200
Reexamination Certificate
active
07918211
ABSTRACT:
A fuel injector for delivering fuel to an engine in which a housing of the injector has an internal fuel chamber and at least one exhaust port in fluid communication with the fuel chamber. A valve member is moveable relative to the housing between a closed position in which fuel within the fuel chamber is inhibited against exhaustion from the housing, and an open position in which fuel is exhaustable from the housing. An ultrasonic waveguide is separate from the housing and valve member. The ultrasonic waveguide is elongate and has longitudinally opposite ends. The waveguide further has a first waveguide segment and a second waveguide segment. The first and second segments are disposed entirely within the fuel chamber of the housing. An excitation device is operable in the open position of the valve member to ultrasonically excite the ultrasonic waveguide.
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Bromfield George
Ehlert Thomas David
McNichols Patrick Sean
Meyer Andrew Enis
Zuehlke Timothy R.
Armstrong Teasdale LLP
Cronin Stephen K
Hoang Johnny H
Kimberly--Clark Worldwide, Inc.
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