| 摘要 |
PROBLEM TO BE SOLVED: To perform sucking operation advantageously making the maximum use of the flow pressure of surplus fuel in a jet pump installation which performs the sucking operation making use of the flow of the surplus fuel relieved by a pressure regulator. SOLUTION: The jet pump installation is provided with two or more jet pump effect generating parts E each including a discharge nozzle 1 for the surplus fuel relieved by the pressure regulator and an exhaust port 2 formed ahead of the discharge nozzle 1, in such a state that the discharge nozzle 1 is positioned within a chamber 3 and that the exhaust port 2 is opened in the chamber 3. Also, a suction passage 4 of fuel or air is connected to the chamber 3. COPYRIGHT: (C)2005,JPO&NCIPI
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