Alternative fuel zero pressure regulator
AssigneeCentury Fuel Products, LLC
InventorsGregory L. Nolff, Roger Larry Simons, Robert L. Nolff
Life of this patent
Estimating the term…
Abstract
A system for controlling a gas fuel flow in a fuel delivery system includes an on-demand pressure regulator. The pressure regulator includes an internal diaphragm configured to provide the gas fuel flow from an outlet port of the pressure regulator within a desired pressure range and a cut-off valve selectively blocking the gas fuel flow through the pressure regulator.
Claims13
A system for controlling a gas fuel flow in a fuel delivery system, comprising:
- an on-demand pressure regulator comprising:
- an internal diaphragm configured to provide the gas fuel flow from an outlet port of the pressure regulator within a desired pressure range;
- and
- a cut-off valve including an electric solenoid selectively blocking the gas fuel flow through the pressure regulator;
- an intake line operable to deliver the gas fuel flow to the on-demand pressure regulator;
- and
- a pressure switch connected to the intake line and configured to monitor pressure within the intake line;
- and
- wherein the cut-off valve is controlled based upon the monitored pressure and in order to protect the on-demand pressure regulator from a pressure spike in the intake line.
(canceled)
A system for controlling a gas fuel flow in a fuel delivery system, comprising:
- an on-demand pressure regulator comprising:
- an internal diaphragm configured to provide the gas fuel flow from an outlet port of the pressure regulator within a desired pressure range;
- and
- a cut-off valve including an electric solenoid selectively blocking the gas fuel flow through the pressure regulator;
- an intake line operable to deliver the gas fuel flow to the on-demand pressure regulator;
- a pressure switch configured to monitor pressure within the intake line;
- and
- a computerized cut-off control module, with programming to:
- monitor data from the pressure switch;
- determine whether the data indicates that the monitored pressure exceeds a threshold cut-off pressure;
- and
- control the cut-off valve to selectively block the gas fuel flow based upon the determining and in order to protect the on-demand pressure regulator.
A system for controlling a gas fuel flow in a fuel delivery system, comprising:
- an on-demand pressure regulator comprising:
- a two-sided valve body;
- a pressure regulator valve comprising a pressure regulator valve seal configured to press against a first side of the two-sided valve body;
- an internal diaphragm connected to the pressure regulator valve;
- and
- a cut-off valve including an electric solenoid selectively blocking the gas fuel flow through the pressure regulator and comprising a cut-off valve seal configured to press against a second side of the two-sided valve body;
- an intake line operable to deliver the gas fuel flow to the on-demand pressure regulator;
- and
- a pressure switch connected to the intake line and configured to monitor pressure within the intake line;
- and
- wherein the pressure regulator valve is configured to selectively restrict the gas fuel flow through the pressure regulator based upon gas pressure within the pressure regulator acting upon the diaphragm to provide the gas fuel flow from an outlet port of the pressure regulator within a desired pressure range;
- and
- wherein the cut-off valve is controlled based upon the monitored pressure and in order to protect the on-demand pressure regulator from a pressure spike in the intake line.
Dependencies are inferred from the claim text.