A fuel supply system is disclosed that includes an electric fuel pump, a controller for controlling operations of the fuel pump, and a cooling plate that is disposed in the fuel tank and cools the controller by contacting the controller. Moreover, the system includes a fuel outlet device that allows
A fuel supply system is disclosed that includes an electric fuel pump, a controller for controlling operations of the fuel pump, and a cooling plate that is disposed in the fuel tank and cools the controller by contacting the controller. Moreover, the system includes a fuel outlet device that allows for a flow of the fuel onto the cooling plate for heat exchange between the fuel and the cooling plate. A fuel supply system is also disclosed that includes a sub tank disposed in the fuel tank and a fuel pump that is disposed in the sub tank, increases a pressure of the fuel, and moves the fuel. Furthermore, the system includes a controller for controlling operations of the fuel pump and a cooling plate that is disposed in the sub tank and cools the controller by contacting the controller.
대표청구항▼
What is claimed is: 1. A fuel supply system for supplying fuel in a fuel tank to an internal combustion engine, comprising: an electric fuel pump for increasing a pressure of the fuel and moving the fuel; a controller for controlling operations of the fuel pump; a cooling plate that is disposed in
What is claimed is: 1. A fuel supply system for supplying fuel in a fuel tank to an internal combustion engine, comprising: an electric fuel pump for increasing a pressure of the fuel and moving the fuel; a controller for controlling operations of the fuel pump; a cooling plate that is disposed in the fuel tank and contacts the controller, the cooling plate for cooling the controller; a fuel outlet device that allows for a flow of the fuel onto the cooling plate for heat exchange between the fuel and the cooling plate; a lid member for covering an opening of the fuel tank, the controller coupled to the lid member; and a support member for supporting the fuel pump; wherein when viewing a longitudinal projection of the cooling plate, the support member, and the fuel pump through the opening, the cooling plate is coupled to the lid member so as to extend transversely downward with respect to the opening of the fuel tank, the cooling plate is spaced from the support member and the fuel pump, and the cooling plate extends downwardly so as to come into direct contact with the fuel. 2. The fuel supply system according to claim 1, wherein the fuel outlet device is a pressure regulator that adjusts a discharge pressure of the fuel pump by draining the fuel onto the cooling plate when the discharge pressure of the fuel pump exceeds a predetermined pressure. 3. The fuel supply system according to claim 1, further comprising: a lid member for covering an opening of the fuel tank; and the controller is coupled to the lid member so as to be encompassed by a longitudinal projection of the opening of the fuel tank. 4. The fuel supply system according to claim 1, wherein the controller includes a circuit board and a case for housing the circuit board, and the cooling plate has a contact part inside the case and contacts the circuit board and a radiation part outside the case. 5. The fuel supply system according to claim 4, wherein the case is made of a resin, the cooling plate is made of a metal, a sealant is provided between the cooling plate and the case, the sealant is such that a degree of swelling caused by the fuel is greater than that of the case, and the sealant is elastically deformable. 6. A fuel supply system for supplying fuel in a fuel tank to an internal combustion engine, comprising: a sub tank disposed in the fuel tank; a fuel pump that is disposed in the sub tank, increases a pressure of the fuel, and moves the fuel; a controller for controlling operations of the fuel pump; a cooling plate that is disposed in the sub tank and contacts the controller, the cooling plate for cooling the controller; a lid member for covering an opening of the fuel tank, the controller coupled to the lid member; a stay for coupling the lid member and the sub tank; and a support member for supporting the fuel pump in the sub tank; wherein when viewing a longitudinal projection of the cooling plate, the support member, the stay, and the fuel pump through the opening, the cooling plate is coupled to the lid member so as to extend transversely downward with respect to the opening of the fuel tank, the cooling plate is spaced from the support member, the stay, and the fuel pump and the cooling plate extends downwardly so as to come into direct contact with the fuel. 7. The fuel supply system according to claim 6, further comprising: a lid member for covering an opening of the fuel tank; and the controller is coupled to the lid member so as to be encompassed by a longitudinal projection of the opening of the fuel tank. 8. The fuel supply system according to claim 6, wherein the controller includes a circuit board and a case for housing the circuit board, and the cooling plate has a contact part inside the case and contacts the circuit board and a radiation part outside the case. 9. The fuel supply system according to claim 8, wherein the case is made of a resin, the cooling plate is made of a metal, a sealant is provided between the cooling plate and the case, the sealant is such that a degree of swelling caused by the fuel is greater than that of the case, and the sealant is elastically deformable. 10. A fuel supply system for supplying fuel in a fuel tank to an internal combustion engine, comprising: an electric fuel pump for increasing a pressure of the fuel and moving the fuel; a controller for controlling operations of the fuel pump; a cooling plate that is disposed in the fuel tank and contacts the controller, the cooling plate for cooling the controller; and a fuel outlet device that allows for a flow of the fuel onto the cooling plate for heat exchange between the fuel and the cooling plate, wherein: the controller includes a circuit board and a case for housing the circuit board, the cooling plate has a contact part inside the case and contacts the circuit board and a radiation part outside the case, wherein the case is made of a resin, the cooling plate is made of a metal, a sealant is provided between the cooling plate and the case, the sealant is such that a degree of swelling caused by the fuel is greater than that of the case, and the sealant is elastically deformable.
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이 특허에 인용된 특허 (24)
Takahashi Koji,JPX ; Yanase Masatoshi,JPX, Apparatus for supplying fuel in an internal combustion engine.
Cotton Kenneth J. ; Gettel Bryan J. ; Kuenzli Ronald B. ; Kuperus Peter P. ; Oberheide G. Clarke ; Roche Ronald H. ; Ross Joseph M. ; Williams Kevin L, In-take fuel pump reservoir.
McGrew, Jeffrey L.; McHale, Michael J.; Hiner, Gary A.; Vas, Timothy A.; Quiroz, Raul I.; Dorado, Ricardo R., Fuel system with a fuel pump control module and a heat sink.
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