| 摘要 |
<p>An improved device for adjusting the maximum and minimum set points for a gas valve with an integral modulating solenoid where the device consists of a jackscrew and arm for the maximum set point control and a jackscrew and arm for the minimum set point control, where the modulating solenoid has a shaft with a flange and the arms mechanically limit motion of the shaft by engaging the flange on the shaft.</p> |
