Fuel pressure regulator, method of regulating fuel pressure and method of measuring a volume of fluid flow
AssigneeBramble Energy Limited
InventorsThomas James Mason, Erik Charles Engerbretsen
Life of this patent
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Abstract
A fuel cell comprising a fuel pressure regulator apparatus on a fuel input line of the fuel cell, the apparatus comprising a first and a second valve connected in series by a fluid flow path defining an open volume between the two valves a pressure monitor device downstream of the second valve; and a controller connected to each valve for opening and closing each valve in a pulsed manner.
Claims20
A fuel cell comprising a fuel pressure regulator apparatus on a fuel input line of the fuel cell, the fuel pressure regulator apparatus comprising:
- a first and a second valve connected in series by a fluid flow path defining an open volume between the first and second valves;
- a pressure monitor device downstream of the second valve;
- and
- a controller connected to each of the first and second valves for opening and closing each of the first and second valves in a pulsed manner;
- wherein the first and second valves are normally closed solenoid valves;
- and
- wherein the controller is configured to open the second valve only when the first valve is closed.
A method of regulating fuel pressure in a fuel cell comprising:
- flowing a fuel through a fluid flow path defining a volume between a first and a second valve connected in series where the output of the first valve directly inputs to the input of the second valve and wherein the first and second valves are normally closed solenoid valves;
- monitoring the pressure of the fuel downstream of the second valve;
- and
- controlling each valve by opening and closing each of the first and second valves in a pulsed manner,
- wherein the second valve is only opened when the first valve is closed.
Dependencies are inferred from the claim text.