| 摘要 |
A fuel pressure regulator is shown as having two distinct and variable chambers sharing, as a common wall therebetween, a pressure responsive diaphragm which controls the position of a throttle valve actuator depending on the pressure differential existing across the diaphragm with such pressure differential being reflective of the pressure differential existing as from the magnitude of the pressure of the unmetered fuel to the magnitude of the pressure of the metered fuel; the throttle valve actuator serves to further open a fuel throttling valve or permit such fuel throttling valve to further close as to maintain the magnitude of the pressure of the unmetered fuel at a selected regulated magnitude.
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