Vacuum large-capacity electrically controlled proportional valve
A vacuum large-capacity electrically controlled proportional valve includes a main body having a valve bottom seat, a middle valve seat, and a guide seat and has a vacuum pressure chamber, in which a main diaphragm is arranged with an elastic element provided thereon to connect with the guide seat. A pilot discharge straight rod is fit to a center of the main diaphragm. The main body includes a master channel connected to a guide channel and a feedback channel Provided above the guide seat are a vacuum pressure electromagnetic valve, an atmospheric pressure electromagnetic valve, and a sensor. The guide seat includes a regulation channel connected to the vacuum pressure chamber. A pilot atmosphere channel is connected to a space under the main diaphragm. A first and a second vacuum destruction valve gates are provided and driven by an external atmospheric pressure for speeding up decrease of interior vacuum level.
TAIWAN CHELIC CO., LTD.
F G G G F F
F16K G05D G05D G05D F15B F16K
additional additional inventional additional additional inventional
Chih-Sheng Ping-Cheng Yu-Li
Cheng Yu Chen