Switching device of gas valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 23, 2019
Grant Date -
Oct 25, 2018
app pub date -
Jul 7, 2017
filing date -
Apr 21, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A switching device includes a rod, a rotating shaft, and a valve assembly including a cover and a plug member. The cover engaged with the valve body has a first block section, a second block section, a space, and a threaded hole communicates with the space. The plug member is rotatably provided in a chamber of the cover, changing an area of an opening of an inlet hole. The rotating shaft has a projection is adapted to drive the plug member to rotate. A rod body of the rod has a threaded section engaged with the threaded hole. When the projection abuts against the first block section, the plug member seals the inlet hole. When the projection abuts against the rod, the plug member changes the area to a first area. When the projection abuts against the second block section, the plug member changes the area to a second area.
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