Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2007-05-22
2007-05-22
Miller, Carl S. (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C123S500000
Reexamination Certificate
active
11112772
ABSTRACT:
A control servo valve (8) is housed inside the casing of an internal combustion engine fuel injector (1), and has an actuator (9), a control chamber (13) communicating with a fuel inlet (5) and with a fuel outlet passage (22), and a shutter (35) movable along an axis (3) by the actuator (9) between a closed position and an open position to close and open the outlet passage (22) respectively; the servo valve (8) also has a fixed axial rod (29) interposed between the actuator (9) and the control chamber (13); the outlet passage (22) comes out through an outer lateral surface (30) of the axial rod (29); and the shutter (35) is defined by a sleeve which slides axially on the outer lateral surface (30), and, in the closed position, closes the outlet passage (22) so as to be subjected to a zero axial resultant force by the pressure of the fuel.
REFERENCES:
patent: 6085719 (2000-07-01), Heinz et al.
patent: 6257499 (2001-07-01), Sturman
patent: 6293254 (2001-09-01), Crofts et al.
patent: 6705291 (2004-03-01), Rueger et al.
patent: 6837221 (2005-01-01), Crofts et al.
patent: 43 10 984 (1994-10-01), None
patent: 0 740 068 (1996-10-01), None
patent: WO 01/11227 (2001-02-01), None
De Matthaeis Sisto Luigi
Di Meo Alfonso
Gorgoglione Adriano
Ricco Mario
C.R.F. Societa Consortile per Azioni
Miller Carl S.
Ostrolenk Faber Gerb & Soffen, LLP
LandOfFree
Servo valve for controlling an internal combustion engine... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Servo valve for controlling an internal combustion engine..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Servo valve for controlling an internal combustion engine... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3756313