Fuel supply system for a vehicle including a vaporization device for converting fuel and water into hydrogen

• US 6,508,210 B2
• Filed: 02/26/2001
• Issued: 01/21/2003
• Est. Priority Date: 08/27/1998
• Status: Expired due to Fees

• Current Assignee: TYMA Incorporated
• Original Assignee: TYMA Incorporated
• Inventors: Knowlton, James L., Workman, Alan J.
• Primary Examiner(s): Mancene, Gene
• Assistant Examiner(s): Ali, Hyder
• Application Number:
  US09/792,993
• Publication Number:
  US 20010013321A1
• Time in Patent Office: 694 Days
• Field of Search: 123/3, 123/306
• US Class Current: 123/3
• CPC Class Codes: B60K 15/00 Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks tanks in general B65D, F17C; supplying combustion engines with combustible mixtures or constituents F02M
• CPC Class Codes: F02M 25/12 the apparatus having means for generating such gases using rays and simultaneously generating ozone F02M27/06
• CPC Class Codes: H01M 8/0612 from carbon-containing material
• CPC Class Codes: Y02E 60/50 Fuel cells
• CPC Class Codes: Y02T 10/12 Improving ICE efficiencies

Abstract

A fuel supply system is disclosed for use with a vehicle propulsion system such as an internal combustion engine or a fuel cell system. The fuel supply system includes a water supply, fuel supply, and fuel conversion device coupled to the water and fuel supplies for generating hydrogen from the water and fuel and supplying the hydrogen to an intake manifold of the propulsion system with which the fuel supply system is used. The fuel conversion device preferably includes a vaporization chamber, an inlet nozzle for introducing fine droplets of fuel and water into the vaporization chamber, an air inlet for introducing air into the vaporization chamber to create turbulence in the chamber, a heater in the vaporization chamber for heating the turbulent fuel/water mix at temperatures that cause the mix to convert into hydrogen, and an outlet for supplying the generated hydrogen and air to the vehicle propulsion system.

Claims

1. A fuel supply system for an internal combustion engine comprising:

a water supply for supplying water;

an air inlet;

a fuel supply for supplying fuel; and

a conversion device coupled to said water and fuel supplies and said air inlet for mixing the air with the water and fuel and thereby converting the water, air, and fuel into hydrogen and byproducts, and for supplying the hydrogen to the internal combustion engine, said conversion device including heating means for simultaneously heating the water and fuel to a temperature at which the fuel and water convert to hydrogen.

2. The fuel supply system as defined in claim 1, wherein said conversion device includes a vaporization chamber having a nozzle for introducing fine droplets of fuel and water into said vaporization chamber and an outlet for supplying the generated hydrogen and air to the internal combustion engine wherein said inlet introduces turbulent air into said chamber.

3. The fuel supply system as defined in claim 1, wherein said fuel supplied from said fuel supply is a hydrocarbon fuel.

4. The fuel supply system as defined in claim 3, wherein said fuel supplied from said fuel supply is gasoline.

5. The fuel supply system as defined in claim 1, wherein said water and said fuel are supplied to said conversion device in substantially equal quantities.

6. The fuel supply system as defined in claim 1, wherein said heating means includes at least one electrical heater coil provided in said vaporization chamber.

7. A fuel supply system for an internal combustion engine comprising:

a water supply for supplying water;

an air inlet;

a fuel supply for supplying fuel; and

a fuel converter coupled to said fuel and water supplies for receiving water and fuel in a mix ratio of between slightly less than 1;

1 and about 1.72;

1, and coupled to said air inlet for mixing and thereby converting the water/fuel mix and air into a different form and supplying the converted water/fuel mix and air to an internal combustion engine, said fuel converter includes heater means for simultaneously heating the fuel, water, and air to a temperature at which the fuel and water generate hydrogen.

8. The fuel supply system as defined in claim 7, wherein said conversion device includes a vaporization chamber having a nozzle for introducing fine droplets of fuel and water into said vaporization chamber and an outlet for supplying the generated hydrogen and air to the internal combustion engine wherein said air inlet introduces turbulent air into said chamber.

9. The fuel supply system as defined in claim 7, wherein said fuel supplied from said fuel supply is a hydrocarbon.

10. A fuel conversion device for supplying fuel to a vehicle propulsion system, said apparatus comprising:

a vaporization chamber;

an inlet nozzle for introducing fine droplets of fuel and water into said vaporization chamber;

an air inlet for introducing air into said vaporization chamber to create turbulence in said chamber;

an electrical heater in said vaporization chamber for heating the turbulent fuel/water mix at a temperature that causes the mix to generate hydrogen; and

an outlet for supplying the generated hydrogen to the vehicle propulsion system.

11. The fuel conversion device as defined in claim 10, wherein the propulsion system is a fuel cell system and said outlet is adapted to be coupled to an inlet of a fuel cell.

12. The fuel conversion device as defined in claim 10, wherein the propulsion system is an internal combustion engine and said outlet is adapted to be coupled to the internal combustion engine.

13. The fuel conversion device as defined in claim 12, wherein the internal combustion engine is that of a hybrid vehicle.

14. The fuel conversion device as defined in claim 10, wherein said fuel supplied from said fuel supply is a hydrocarbon.

15. The fuel conversion device as defined in claim 10, wherein said water and said fuel are supplied to said conversion device in a ratio between slightly less than 1:

1 and about 1.7;

1.

16. A fuel conversion device for supplying fuel to a vehicle propulsion system, said apparatus comprising:

a vaporization chamber;

a first inlet nozzle for introducing fine droplets of fuel into said vaporization chamber;

a second inlet nozzle for introducing fine droplets of water into said vaporization chamber;

an air inlet for introducing air into said vaporization chamber to create turbulence in said chamber;

heater means in said vaporization chamber for simultaneously heating the turbulent fuel/water mix at a temperature that causes the mix to generate a hydrogen/air mix; and

an outlet for supplying the generated hydrogen/air mix to the vehicle propulsion system.

17. The fuel conversion device as defined in claim 16, wherein the propulsion system is a fuel cell system and said outlet is adapted to be coupled to an inlet of a fuel cell.

18. The fuel conversion device as defined in claim 16, wherein the propulsion system is an internal combustion engine and said outlet is adapted to be coupled to the internal combustion engine.

19. The fuel conversion device as defined in claim 18, wherein the internal combustion engine is that of a hybrid vehicle.

20. The fuel conversion device as defined in claim 16, wherein said fuel supplied from said fuel supply is gasoline.

21. The fuel conversion device as defined in claim 16, wherein said water and said fuel are supplied to said conversion device in substantially equal quantities.

22. A fuel supply system for an internal combustion engine comprising:

a water supply for supplying water;

an air inlet;

a fuel supply for supplying fuel;

a conversion device coupled to said water and fuel supplies and said air inlet for converting the water, air, and fuel into hydrogen and byproducts, and for supplying the hydrogen to the internal combustion engine, said conversion device including heating means for simultaneously heating the water and fuel to a temperature at which the fuel and water convert to hydrogen; and

a control circuit coupled to said heating means for preventing said heating means from heating the water and fuel to a temperature greater than 800°

F.