Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger
Reexamination Certificate
2007-08-21
2007-08-21
Kaufman, Joseph A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
C239S096000, C239S102200, C239S533300, C239S533400, C239S533900
Reexamination Certificate
active
11357036
ABSTRACT:
A fuel injector with a direct needle control for an internal combustion engine, having an actuator, a hydraulic booster, and a nozzle needle guided in a nozzle body and acting on a nozzle needle sealing seat. The hydraulic booster includes a booster piston connected to the actuator and a nozzle needle booster piston connected to the nozzle needle; a booster chamber in the form of an actuator coupler chamber is associated with a pressure surface of the actuator booster piston; and depending on the pressure in the actuator coupler chamber, the nozzle needle is lifted away from the nozzle needle sealing seat, thus initiating an injection. In addition to the actuator booster piston, a control element is provided that is able to execute a stroke motion, is hydraulically coupled to the actuator coupler chamber by means of a first control surface, and is associated with a control chamber by means of a second control surface. The actuator booster piston has a second pressure surface, which, as an additional control surface, is associated with the control chamber.
REFERENCES:
patent: 5505384 (1996-04-01), Camplin
patent: 6520423 (2003-02-01), Ricci-Ottati et al.
patent: 6776354 (2004-08-01), Cooke
patent: 2004/0123840 (2004-07-01), Matz et al.
patent: 2006/0048751 (2006-03-01), Grimmiger et al.
patent: 2006/0255184 (2006-11-01), Kanne et al.
patent: 2007/0001032 (2007-01-01), Boecking
patent: 101 48 594 (2003-04-01), None
patent: WO 2006/069865 (2006-07-01), None
Bartsch Andreas
Heinz Rudolf
Kuegler Thomas
Kuhnert Christian
Magel Hans-Christoph
Gorman Darren
Greigg Ronald E.
LandOfFree
Fuel injector with direct needle control for an internal... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fuel injector with direct needle control for an internal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fuel injector with direct needle control for an internal... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3871026