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1.发明授权公开(公告)号：US10662911B1
公开(公告)日：2020-05-26
申请号：US16276773
申请日：2019-02-15
摘要： A fuel system for a partitioned fuel tank includes a fuel pump assembly, a fuel jet pump device, a high pressure conduit, and a low pressure conduit. The tank defines a first chamber and a second chamber. The fuel pump assembly is disposed in the first chamber, and includes a motorized fuel pump. The jet pump device is disposed in the second chamber, and defines a low pressure passage adapted to draw fuel from the second chamber, a high pressure passage, and a mixing passage adapted to receive and mix fuel flowing from the low and high pressure passages. The high pressure conduit extends between the first and second chambers, and is in communication between an outlet of the fuel pump and the high pressure passage. The low pressure conduit extends between the first and second chambers, and is in communication between the mixing passage and the first chamber.
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公开(公告)号：US11434931B2
公开(公告)日：2022-09-06
申请号：US17029632
申请日：2020-09-23
发明人： Thomas R. Martin , Abel Melgar
摘要： A fuel system includes a fuel reservoir configured to be located within the fuel tank such that the fuel reservoir defines a fuel reservoir volume which is a subset of a fuel tank volume; a fuel pump configured to pump fuel from within the fuel reservoir volume to the fuel consuming device through a fuel supply line; a jet pump configured to 1) receive excess fuel, through a fuel return line, which had been supplied to the fuel consuming device through the fuel supply line and 2) aspirate fuel into the fuel reservoir volume from the fuel tank volume; and a valve which allows fuel flow in both directions between the fuel return line and the jet pump when a differential pressure across the valve is greater than or equal to a predetermined threshold.
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