A vehicle fuel delivery system, includes: a first line configured to deliver fuel from a fuel tank to an internal combustion engine (ICE); a second line configured to return fuel from the ICE to the tank or the first line; a heat exchanger in thermal communication with the second line; and a latent
A vehicle fuel delivery system, includes: a first line configured to deliver fuel from a fuel tank to an internal combustion engine (ICE); a second line configured to return fuel from the ICE to the tank or the first line; a heat exchanger in thermal communication with the second line; and a latent material in the heat exchanger configured to change from a solid state to a liquid state when fuel in the second line reaches a predetermined temperature.
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1. A vehicle fuel delivery system, comprising: a first line configured to deliver fuel from a fuel tank to an internal combustion engine (ICE);a second line configured to return fuel from the ICE to the fuel tank;a heat exchanger which abuts a portion of the second line and is in thermal communicati
1. A vehicle fuel delivery system, comprising: a first line configured to deliver fuel from a fuel tank to an internal combustion engine (ICE);a second line configured to return fuel from the ICE to the fuel tank;a heat exchanger which abuts a portion of the second line and is in thermal communication with the second line;a third line configured to deliver fuel from the second line, downstream of the heat exchanger, to the first line; anda latent material in the heat exchanger configured to change from a solid state to a liquid state when fuel in the second line reaches a predetermined temperature,wherein the heat exchanger is a passive heat exchanger, andwherein the heat exchanger is journaled onto and around the portion of the second line. 2. The fuel delivery system of claim 1, wherein the fuel delivery system is positioned in a vehicle having the ICE. 3. The fuel delivery system of claim 2, wherein the heat exchanger has fins on an exterior surface. 4. The fuel delivery system of claim 3, wherein the heat exchanger comprises fins, the fins comprising the latent material. 5. The fuel delivery system of claim 1, wherein the heat exchanger is substantially cylindrical in shape, the second line passing through a central axis of the heat exchanger, and wherein the heat exchanger has fins extending axially along an exterior surface of the heat exchanger. 6. The fuel delivery system of claim 5, wherein the latent material is distributed throughout an interior of one or more fins of the heat exchanger. 7. The fuel delivery system of claim 1, wherein the heat exchanger has a housing configured to encapsulate the portion of the second line, and further comprising a valve downstream of the heat exchanger, the valve configured to divert the fuel from the second line to the third line. 8. The fuel delivery system of claim 7, wherein the housing includes a labyrinth into which the second line is fitted. 9. A vehicle fuel line assembly, comprising: a fuel line; anda latent material which abuts a portion of the fuel line and is in thermal communication with the fuel line;wherein the latent material is substantially cylindrical in shape and is journaled onto and around the portion of the fuel line, the fuel line passing through a central axis of the latent material,wherein the latent material is configured to change from a solid state to a liquid state when fuel in the fuel line reaches a predetermined temperature, andwherein the latent material forms fins extending axially along an exterior surface of the latent material. 10. The fuel line assembly of claim 9, comprising: a housing having the latent material therein, into which the portion of the fuel line is fitted, a first line delivering fuel from a fuel tank to an engine, a second line delivering fuel from the fuel line to the first line, and a third line delivering fuel from the fuel line to the fuel tank. 11. The fuel delivery system of claim 1, wherein the predetermined temperature is between 90-110 degrees F. 12. The fuel line assembly of claim 10, wherein the fins extend radially outward from the fuel line, and further comprising a valve interposing the fuel line, the second line and the third line. 13. The fuel line assembly of claim 12, wherein the latent material within the housing forms a passive heat exchanger, and wherein the valve is operable to deliver fuel from the fuel line to either the second or third lines. 14. A vehicle system, comprising: a vehicle fuel return system having: a fuel return line, anda heat exchanger which abuts a portion of the fuel return line, wherein the fuel return line is in thermal communication with the heat exchanger,the heat exchanger is a passive heat exchanger,the heat exchanger includes a latent material configured to change from a solid state to a liquid state when fuel in the fuel return line reaches a predetermined temperature,the latent material is substantially cylindrical in shape, the latent material and the fuel return line sharing a common central axis,the latent material is journaled onto and around the portion of the fuel return line, andthe latent material forms fins on an exterior surface of the heat exchanger. 15. The system of claim 14, wherein the fins extend radially outward from the portion of the fuel return line. 16. The system of claim 15, wherein the fuel return line is configured to return fuel to a fuel tank, and wherein the fins extend axially along the heat exchanger. 17. The system of claim 15, wherein the fuel return line is configured to return fuel to a fuel delivery line, the system further comprising a second fuel return line configured to return fuel to the fuel tank, and a valve disposed in the fuel return line and operatively interposing the heat exchanger and the fuel delivery line, the valve further being coupled to the second fuel return line, and the valve being configured to selectively deliver fuel to either the fuel tank or the fuel delivery line. 18. The fuel delivery system of claim 1, wherein the second line is a fuel hose. 19. The fuel delivery system of claim 18, wherein the heat exchanger is a hollowed shell filled with the latent material, and wherein the hollowed shell abuts the fuel hose.
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이 특허에 인용된 특허 (10)
Distelhoff Markus,DEX ; Eck Karl,DEX ; Frohlich Winfried,DEX ; Keller Dieter,DEX ; Kloker Justus,DEX ; Meyer Knut,DEX ; Mohr Ingo,DEX ; Rumpf Bernd,DEX ; Sinz Wolfgang,DEX, Device for supplying an internal combustion engine of a motor vehicle with fuel.
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