Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer
Reexamination Certificate
2005-10-18
2005-10-18
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Gaseous fuel and air mixer
C137S487500
Reexamination Certificate
active
06955160
ABSTRACT:
A gaseous fuel pressure regulator uses an inlet valve and an outlet valve to regulate an incoming pressure, from a gaseous fuel supply tank, and accurately control the pressure at the outlet of the regulator. The control of the outlet pressure is maintained by precise movement of the outlet valve which is controlled by an actuator. The actuator receiving pulse width modulated signals from a microprocessor in order to maintain the outlet valve in an opened, or gas flow permitting, position for a time period which is appropriate to maintain the desired pressure at the outlet port of the regulator. An inlet port maintains a pressure within a conduit, which is connected in fluid communication between the inlet port and the outlet port at an intermediate pressure which is used by the outlet valve to achieve the desired outlet pressure magnitude.
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Konopacki Jeffery M.
Suhre Blake R.
Brunswick Corporation
Gimie Mahmoud
Harris Katrina
Lanyi William D.
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