Electrically actuated gaseous fuel timing and metering device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 30, 1991
Grant Date -
N/A
app pub date -
Jul 2, 1990
filing date -
Jul 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for timing and metering gaseous fuels into an internal combustion engine has a cylindrical solenoid cavity with a portion projecting away from the cavity containing a bore coaxial with the cylindrical cavity. The portion also has gas passageways. An injector tip is secured to the portion so that it can be adjusted in position toward and away from the cavity. The injector tip has an orifice, and a valve head on a pintle moving in the bore is adapted to open and close the orifice. The other end of the pintle is secured to the armature of a multipole solenoid which includes a plurality of plate-like, spaced ribs covering a substantially circular configuration and located within the cavity. The length of the pintle is such that, when the head is seated against the valve seat to close the orifice, the armature is spaced from the ribs, and when the armature is seated against the ribs, the head is off the valve seat, thus opening the orifice.
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