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A control device for regulating delivery of fuel and an associated method of use is disclosed. The control device includes an inlet, an electromagnetic safety valve, having a thermocouple connection, a control valve, wherein the electromagnetic safety valve selectively allows fuel to flow from the i

A control device for regulating delivery of fuel and an associated method of use is disclosed. The control device includes an inlet, an electromagnetic safety valve, having a thermocouple connection, a control valve, wherein the electromagnetic safety valve selectively allows fuel to flow from the inlet to the control valve through the electromagnetic safety valve when the thermocouple connection is heated, an actuator valve, a main valve having a pressure responsive device, having a first side and a second side and including an outlet chamber, a regulator valve having a sensing port and an outlet. There is an adjustment mechanism associated with the control valve that can also direct fuel into a pilot assembly.

대표청구항 ▼

1. A control device for regulating delivery of fuel comprising:an inlet; an electromagnetic safety valve, having a thermocouple connection; a control valve, wherein the electromagnetic safety valve selectively allows fuel to flow from the inlet to the control valve through the electromagnetic safety

1. A control device for regulating delivery of fuel comprising:an inlet; an electromagnetic safety valve, having a thermocouple connection; a control valve, wherein the electromagnetic safety valve selectively allows fuel to flow from the inlet to the control valve through the electromagnetic safety valve when the thermocouple connection is heated; an actuator valve; a first conduit that is in fluid communication between the control valve and the actuator valve; a main valve having a pressure responsive device, having a first side and a second side and including an outlet chamber; a second conduit that is in fluid communication between the actuator valve and the second side of the pressure responsive device for the main valve; a regulator valve having a sensing port and an outlet; a third conduit that is in fluid communication between the outlet chamber of the main valve and the sensing port of the regulator valve; a fourth conduit that is in fluid communication between the outlet of the actuator valve and the first side of the pressure responsive device for the main valve; a fifth conduit that is in fluid communication between the control valve and the main valve; an outlet; and a sixth conduit that is in fluid communication between the outlet chamber of the main valve and the inlet, wherein fluid can flow from the inlet to the outlet when the electromagnetic safety valve, the control valve and the main valve are open. 2. The control device for regulating delivery of fuel flow control device as set forth in claim 1, wherein the pressure responsive device includes a diaphragm.3. The control device for regulating delivery of fuel flow control device as set forth in claim 1, wherein the main valve further includes a shaft, having a first end portion and a second end portion, wherein the first end portion of the shaft is operably connected to the pressure responsive device and the second end portion of the shaft is operatively connected to a valve face, wherein the main valve further includes a biasing mechanism for moving the valve face against a valve seat to close the main valve in an absence of pressure applied against the pressure responsive device and when pressure is applied to the pressure responsive device, the pressure responsive device is able to overcome the biasing mechanism for moving the valve face away from the valve seat to open the main valve.4. The control device for regulating delivery of fuel flow control device as set forth in claim 3, wherein biasing mechanism includes a spring.5. The control device for regulating delivery of fuel flow control device as set forth in claim 1, wherein the electromagnetic safety valve includes a plunger, an electromagnetic coil that is electrically connected to the thermocouple and a biasing mechanism, wherein the plunger can be moved to a position to release fuel from the electromagnetic safety valve when electric current is applied to the electromagnetic coil from the thermocouple and by moving the plunger with the biasing mechanism to a position to prevent fuel from leaving the electromagnetic safety valve when electric current is no longer being applied to the electromagnetic coil.6. The control device for regulating delivery of fuel flow control device as set forth in claim 1, wherein the control valve includes a poppet valve.7. The control device for regulating delivery of fuel flow control device as set forth in claim 1, wherein the control valve is manually controlled by an adjustment mechanism.8. The control device for regulating delivery of fuel flow control device as set forth in claim 7, wherein the adjustment mechanism includes a control knob attached to a shaft having a cam, wherein the cam is operatively connected to the control valve to open and close the control valve.9. The control device for regulating delivery of fuel flow control device as set forth in claim 7, wherein the adjustment mechanism is able to trigger an interlock mechanism for locking the electromagnetic safety valve in a closed position.10. The control device for regulating delivery of fuel flow control device as set forth in claim 9, wherein the interlock mechanism includes a lever mounted on a pivot, wherein the lever is operatively connected to a biasing mechanism.11. The control device for regulating delivery of fuel flow control device as set forth in claim 10, wherein the biasing mechanism includes a spring.12. The control device for regulating delivery of fuel flow control device as set forth in claim 7, wherein the adjustment mechanism is able to provide fuel flow to a pilot assembly.13. The control device for regulating delivery of fuel flow control device as set forth in claim 12, wherein the pilot assembly includes a filter in fluid communication with a flow adjustment mechanism, wherein the flow adjustment mechanism is in fluid communication with an outlet for the pilot assembly.14. The control device for regulating delivery of fuel flow control device as set forth in claim 7, wherein the adjustment mechanism includes a control knob attached to a shaft having a cam, wherein the cam is operatively connected to the control valve to open and close the control valve and the adjustment mechanism includes a biasing mechanism to provide positive positioning for the control knob.15. The control device for regulating delivery of fuel flow control device as set forth in claim 1, wherein the regulator valve includes a servo-type regulator valve to control fuel flow pressure and is selected from the group consisting of a convertible regulator valve that automatically adjusts between a first fuel having at least one pressure and a second fuel having at least one pressure, a regulator valve that manually adjusts between a first fuel having at least one pressure and a second fuel having at least one pressure and a regulator valve that is pre-adjusted for use with a predetermined fuel having at least one pressure.16. The control device for regulating delivery of fuel flow control device as set forth in claim 1, further including a seventh conduit that is in fluid communication between the sensing port of the regulator and the control valve.17. The control device for regulating delivery of fuel flow control device as set forth in claim 16, wherein the seventh conduit includes a tertiary bleed orifice.18. The control device for regulating delivery of fuel flow control device as set forth in claim 1, further including a primary bleed orifice, having a first diameter, in fluid communication with the actuator valve and the fourth conduit, wherein the second conduit includes a secondary bleed orifice, having a second diameter, wherein the first diameter of the primary bleed orifice is greater than the second diameter of the secondary bleed orifice.19. A control device for regulating delivery of fuel comprising:an inlet; an electromagnetic safety valve, having a thermocouple connection, wherein the electromagnetic safety valve includes a plunger, an electromagnetic coil that is electrically connected to the thermocouple and a biasing mechanism, wherein the plunger can be moved to a position to release fuel from the electromagnetic safety valve when electric current is applied to the electromagnetic coil from the thermocouple and by moving the plunger with the biasing mechanism to a position to prevent fuel from leaving the electromagnetic safety valve when electric current is no longer being applied to the electromagnetic coil; a poppet valve, wherein the electromagnetic safety valve selectively allows fuel to flow from the inlet to the control valve through the electromagnetic safety valve when the thermocouple connection is heated, wherein the poppet valve is manually controlled by an adjustment mechanism and the adjustment mechanism is able to trigger an interlock mechanism for locking the electromagnetic safety valve in a closed position and the adjustment mechanism is able to provide fuel flow to a pilot assembly; an actuator valve; a first conduit that is in fluid communication between the poppet valve and the actuator valve; a main valve having a pressure responsive device, having a first side and a second side and including an outlet chamber, wherein the main valve further includes a shaft, having a first end portion and a second end portion, wherein the first end portion of the shaft is operable connected to the pressure responsive device and the second end portion of the shaft is operatively connected to a valve face and a biasing mechanism for moving the valve face against a valve seat to close the main valve when there is no pressure applied against the pressure responsive device and when pressure is applied to the pressure responsive device, the pressure responsive device is able to overcome the force of the biasing mechanism for moving the valve face away from the valve seat to open the main valve; a second conduit that is in fluid communication between the actuator valve and the second side of the pressure responsive device for the main valve; a regulator valve having a sensing port and an outlet; a third conduit that is in fluid communication between the outlet chamber of the main valve and the sensing port of the regulator valve; a fourth conduit that is in fluid communication between the outlet of the actuator valve and the first side of the pressure responsive device for the main valve; a fifth conduit that is in fluid communication between the poppet valve and the main valve; an outlet; and a sixth conduit that is in fluid communication between the outlet chamber of the main valve and the inlet, wherein fluid can flow from the inlet to the outlet when the electromagnetic safety valve, the control valve and the main valve are open. 20. A method for regulating delivery of fuel with a control device comprising:selectively allowing fuel to flow from an inlet to a control valve through an electromagnetic safety valve, having a thermocouple, when the thermocouple is heated; selectively providing fuel flow in a first conduit that is in fluid communication between the control valve and an actuator valve; selectively providing fuel flow in a second conduit that is in fluid communication between the actuator valve and a second side of a pressure responsive device for a main valve; selectively providing fuel flow in a third conduit that is in fluid communication between a sensing port for a regulator valve and an outlet chamber for the main valve; selectively providing fuel flow in a fourth conduit that is in fluid communication between an outlet for the actuator valve and a first side of a pressure responsive device for a main valve; and selectively providing fuel flow in a fifth conduit between the control valve and the main valve from an inlet of the control device to an outlet of the control device via the electromagnetic safety valve, the control valve and the main valve. 21. The method for regulating delivery of fuel with a control device as set forth in claim 20, further includes opening of the main valve by applying fuel to the first side of the pressure responsive device for the main valve to overcome the force of a biasing mechanism and any pressure applied to the second side of the pressure responsive device for the main valve by moving a valve face away from a valve seat to open the main valve, wherein the main valve further includes a shaft, having a first end portion and a second end portion, wherein the first end portion of the shaft is operable connected to the pressure responsive device and the second end portion of the shaft is operatively connected to a valve face.22. The method for regulating delivery of fuel with a control device as set forth in claim 20, further includes closing the main valve by removing fuel pressure from the first side of the pressure responsive device so that a biasing mechanism can move a valve face against a valve seat to close the main valve, wherein the main valve further includes a shaft, having a first end portion and a second end portion, wherein the first end portion of the shaft is operable connected to the pressure responsive device and the second end portion of the shaft is operatively connected to a valve face.23. The method for regulating delivery of fuel with a control device as set forth in claim 20, further includes allowing fuel to flow through the electromagnetic safety valve, which includes a plunger, an electromagnetic coil that is electrically connected to the thermocouple and a biasing mechanism, is by applying electric current to the electromagnetic coil from the thermocouple to move the plunger to a position to release fuel from the electromagnetic safety valve.24. The method for regulating delivery of fuel with a control device as set forth in claim 20, further includes preventing fuel from flowing through the electromagnetic safety valve, which includes a plunger, an electromagnetic coil that is electrically connected to the thermocouple and a biasing mechanism, by moving the plunger with the biasing mechanism to a position to prevent fuel from leaving the electromagnetic safety valve when electric current is no longer being applied to the an electromagnetic coil.25. The method for regulating delivery of fuel with a control device as set forth in claim 24, further includes closing the electromagnetic safety valve with an interlock mechanism.26. The method for regulating delivery of fuel with a control device as set forth in claim 20, further includes operating the control valve with an adjustment mechanism that includes a control knob attached to a shaft having a cam operably attached thereto.27. The method for regulating delivery of fuel with a control device as set forth in claim 26, further includes directing fuel to a pilot assembly with the adjustment mechanism.