| 摘要 |
A vehicle gaseous fuel supply system includes a high pressure filter, a primary pressure-reducing valve, a solenoid cut-off valve, safety means, and a secondary pressure-reducing valve. A regulator is formed by disposing the high pressure filter, the solenoid cut-off valve, and the primary pressure-reducing valve on a common regulator body that has a passage providing a connection between the high pressure filter and the solenoid cut-off valve, a passage providing a connection between the solenoid cut-off valve and the primary pressure-reducing valve, and an exit passage having one end connected to the primary pressure-reducing valve. Between the safety means and the secondary pressure-reducing valve which are connected to the other end of the exit passage, at least the secondary pressure-reducing valve has its valve housing formed as a body separate from the regulator body. As a result, the dimensions of the regulator formed by integrating a plurality of components can be reduced thereby lessening restrictions on the layout, and the arrangement of passages in the regulator body can be simplified thereby making the machining easy and achieving a reduction in cost. |
