Valves and valve actuation – Electrically actuated valve – Including solenoid
Reexamination Certificate
2005-05-17
2005-05-17
Bastianelli, John (Department: 3751)
Valves and valve actuation
Electrically actuated valve
Including solenoid
C123S337000, C137S219000, C251S212000, C251S129220, C251S298000
Reexamination Certificate
active
06892997
ABSTRACT:
A process reducing the side opening and closing time of a valve. The process uses a valve for mounting in an intake port of a reciprocating engine upstream from a charge changing valve, which valve contains a valve element operating in conjunction with the inner wall of the intake port, and may be moved back and forth between a closed position and an open position. The valve in the closed position blocks passage of fluid through the port and when in the open position, clears such passage. The valve is characterized in that the inner wall of the port and the valve element are of a design such that when the valve element is moved from its closed position the opening cross-section initially does not increase at all or increases only slowly and then increases rapidly and when the valve element is moved from its open position the opening cross-section initially does not decrease at all or decreases only slowly and then decreases rapidly.
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Bastianelli John
META Motoren - und Energie-Technik GmbH
LandOfFree
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