In some embodiments, a fuel sump system may include one or more of the following features: (a) a fuel tank, (b) a fuel sump tank in fluid communication with the fuel tank to receive fuel from the fuel tank, (c) a fuel pump having an intake positioned in the sump tank to pump fuel from the sump tank
In some embodiments, a fuel sump system may include one or more of the following features: (a) a fuel tank, (b) a fuel sump tank in fluid communication with the fuel tank to receive fuel from the fuel tank, (c) a fuel pump having an intake positioned in the sump tank to pump fuel from the sump tank to an engine via a fuel supply line, (d) a fuel return line in fluid communication with the engine for returning fuel the fuel return line being in fluid communication with the sump tank to supply returned fuel to the sump tank, (e) a fuel pressure regulator operably coupled to the return line, and (f) a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank.
대표청구항▼
What is claimed is: 1. A snowmobile, comprising: a chassis; a straddle-type seat mounted to the chassis; a handlebar assembly carried by the chassis; an endless track carried by a rear suspension system mounted to the chassis; a front suspension system mounted to the chassis; left and right steerab
What is claimed is: 1. A snowmobile, comprising: a chassis; a straddle-type seat mounted to the chassis; a handlebar assembly carried by the chassis; an endless track carried by a rear suspension system mounted to the chassis; a front suspension system mounted to the chassis; left and right steerable skis carried by the front suspension system, the skis being steerably connected to the handlebars, a fuel injected engine operably coupled to drive the endless track; a fuel tank; a sump tank operatively coupled with the fuel tank; a check valve located at the bottom of the sump tank that passes fuel from the fuel tank to the sump tank; a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank; a fuel pump coupled to the sump tank; and a fuel supply line coupled to the fuel pump and to the engine. 2. The snowmobile as in claim 1, further comprising, a fuel return line in fluid communication with the engine for returning fuel; and the fuel return line being in fluid communication with the sump tank to supply returned fuel to the sump tank. 3. The snowmobile of claim 1, further comprising a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank. 4. The snowmobile of claim 3, wherein the transfer pump is located within the fuel tank. 5. The snowmobile of claim 1, wherein the sump tank is located within the fuel tank and has a smaller volume than the fuel tank. 6. The snowmobile of claim 1, wherein the sump tank is located external to the fuel tank. 7. A fuel sump system, comprising: a fuel tank; a fuel sump tank in fluid communication with the fuel tank to receive fuel from the fuel tank; a check valve located at the bottom of the sump tank that passes fuel from the fuel tank to the sump tank; and a fuel pump having an intake positioned in the sump tank to pump fuel from the sump tank to an engine via a fuel supply line. 8. The fuel sump system as in claim 7, further comprising, a fuel return line in fluid communication with the engine for returning fuel; and the fuel return line being in fluid communication with the sump tank to supply returned fuel to the sump tank. 9. The fuel sump system as in claim 7, wherein the sump tank is located within the fuel tank. 10. The fuel sump system as in claim 7, wherein the fuel pump is located external to the sump tank. 11. The fuel sump system as in claim 8, further comprising a fuel pressure regulator operably coupled to the return line. 12. The fuel sump system as in claim 7, further comprising a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank. 13. The fuel sump system as in claim 12, wherein the transfer pump is located external to the fuel tank. 14. A snowmobile, comprising: a chassis; a straddle-type seat mounted to the chassis; a handlebar assembly carried by the chassis; an endless track carried by a rear suspension system mounted to the chassis; a front suspension system mounted to the chassis; left and right steerable skis carried by the front suspension system, the skis being steerably connected to the handlebars, a fuel injected engine operably coupled to drive the endless track; a fuel tank; a sump tank operatively coupled with the fuel tank; a fuel pump coupled to the sump tank; a check valve located at the bottom of the sump tank that passes fuel from the fuel tank to the sump tank; and a fuel supply line coupled to the fuel pump and to the engine. 15. The snowmobile as in claim 14, further comprising, a fuel return line in fluid communication with the engine for returning fuel; and the fuel return line being in fluid communication with the sump tank to supply returned fuel to the sump tank. 16. The snowmobile of claim 14, further comprising a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank. 17. The snowmobile of claim 14, further comprising a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank. 18. The snowmobile of claim 14, wherein the sump tank is located within the fuel tank and has a smaller volume than the fuel tank. 19. A snowmobile, comprising: a chassis; a straddle-type seat mounted to the chassis; a handlebar assembly carried by the chassis; an endless track carried by a rear suspension system mounted to the chassis; a front suspension system mounted to the chassis; left and right steerable skis carried by the front suspension system, the skis being steerably connected to the handlebars, a fuel injected engine operably coupled to drive the endless track; a fuel tank; a sump tank operatively coupled with the fuel tank; a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank; a check valve located at the bottom of the sump tank that passes fuel from the fuel tank to the sump tank; a fuel pump coupled to the sump tank; and a fuel supply line coupled to the fuel pump and to the engine. 20. The snowmobile as in claim 19, further comprising, a fuel return line in fluid communication with the engine for returning fuel; and the fuel return line being in fluid communication with the sump tank to supply returned fuel to the sump tank. 21. The snowmobile of claim 19, further comprising a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank. 22. The snowmobile of claim 19, wherein the sump tank is located within the fuel tank and has a smaller volume than the fuel tank. 23. A method for providing fuel to a fuel injected, off road vehicle selected from the group consisting of snowmobiles, personal watercraft, utility vehicles, motorcycles, and all terrain vehicles, the method comprising: transferring the fuel from a fuel tank into a sump tank, wherein a check valve located at the bottom of the sump tank transfers the fuel from the fuel tank to the sump tank; and pumping the transferred fuel from the sump tank to an engine in the vehicle. 24. The method of claim 23, further comprising the steps of returning fuel that is not fuel injected into the engine; and feeding the returning fuel to the sump tank. 25. The method of claim 23, wherein a transfer pump is operatively coupled to the fuel tank and the sump tank transfers fuel from the fuel tank to the sump tank. 26. The method of claim 23, wherein a transfer pump is operatively coupled to the fuel tank and the sump tank transfers fuel from the fuel tank to the sump tank. 27. The method of claim 23, wherein the sump tank is located within the fuel tank. 28. A method for providing fuel to a fuel injected, off road vehicle selected from the group consisting of snowmobiles, personal watercraft, utility vehicles, motorcycles, and all terrain vehicles, the method comprising: transferring the fuel from a fuel tank into a sump tank, wherein a check valve located at the bottom of the sump tank transfers the fuel from the fuel tank to the sump tank; and pumping the transferred fuel from the sump tank to an engine in the vehicle. 29. The method of claim 28, further comprising the steps of returning fuel that is not fuel injected into the engine; and feeding the returning fuel to the sump tank. 30. The method of claim 28, wherein a check valve located at the bottom of the sump tank transfers the fuel from the fuel tank to the sump tank. 31. The method of claim 28, wherein a transfer pump is operatively coupled to the fuel tank and the sump tank transfers fuel from the fuel tank to the sump tank. 32. The method of claim 28, wherein the sump tank is located within the fuel tank. 33. A system to provide fuel to an engine during extreme attitudes, comprising: means for transferring the fuel from a fuel tank into a sump tank; means for pumping the transferred fuel from the sump tank to an engine in the vehicle, a fuel pump for returning fuel that is not fuel injected into the engine, wherein the fuel pump is operably coupled to a check valve located at the bottom of the sump tank; and means for feeding the returning fuel through tubing to the sump tank. 34. The system of claim 33, wherein the means for transferring fuel from the fuel tank into the sump tank comprises a transfer pump operatively coupled to the fuel tank and the sump. 35. The system of claim 34, wherein the transfer pump is located within the fuel tank. 36. The system of claim 33, wherein the means for pumping the transfer fuel from the sump tank to the engine comprises a fuel pump. 37. The system of claim 33, wherein the fuel pump is located within the sump tank.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (9)
Takahashi Koji,JPX ; Yanase Masatoshi,JPX, Apparatus for supplying fuel in an internal combustion engine.
Simons, Robert Samuel; Magana, Chadron Michael; Wagner, Jamie, Fuel system conversions for carburetor to electronic fuel injection systems, methods of production thereof.
Simons, Robert Samuel; Magana, Chadron Michael; Wagner, Jamie, Fuel system conversions for carburetor to electronic fuel injection systems, methods of production thereof.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.