초록 ▼

An automotive vehicle fluid jet pump 7 is provided including a first chamber 340 having a rear end 348 sealed from a front end 344 by a pressure communicative boundary 352. The first chamber front end 344 has an inlet 332 fluidly connected with a source of pressurized fluid. The first chamber front

An automotive vehicle fluid jet pump 7 is provided including a first chamber 340 having a rear end 348 sealed from a front end 344 by a pressure communicative boundary 352. The first chamber front end 344 has an inlet 332 fluidly connected with a source of pressurized fluid. The first chamber front end 344 also has a nozzled outlet 372. A second chamber 376 is provided having a first inlet fluidly connected with the first chamber outlet 372. The second chamber 376 has a second inlet 380 fluidly connected with a sump. The second chamber has a delivery outlet 334. A valve member 400 is operatively associated with the first chamber boundary 352 for controlling a flow from the first chamber inlet 332 through said first chamber outlet 372. A position of the valve member 400 with respect to said first chamber outlet 372 is responsive to a pressure differential between the first chamber front end 344 and rear end 348.

대표청구항 ▼

1. An automotive vehicle fuel system comprising:a fuel reservoir having a first control volume and a second control volume; a first source of pressurized fuel connected with a pressure supply line having an outlet; a first chamber having a rear end sealed from a front end by a pressure communicative

1. An automotive vehicle fuel system comprising:a fuel reservoir having a first control volume and a second control volume; a first source of pressurized fuel connected with a pressure supply line having an outlet; a first chamber having a rear end sealed from a front end by a pressure communicative boundary, said first chamber front end having an inlet fluidly connected with said pressure supply line outlet, said chamber front end having a nozzled outlet; a second chamber having a first inlet fluidly connected with said first chamber outlet, said second chamber having a second inlet fluidly connected with said second control volume, said second chamber having an outlet fluidly connected with said first control volume; and valve member operatively associated with said first chamber pressure boundary for controlling a flow from said first chamber inlet through said first chamber outlet, a position of said valve member with respect to said first chamber outlet being responsive to a pressure differential between said first chamber front end and rear end.