DIAPHRAGM VALVE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Nov 1, 2007
app pub date -
Mar 9, 2007
filing date -
Apr 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A diaphragm valve has a body, a top cover and a diaphragm assembly. The body has an open top, a primary chamber, an inlet passage and an outlet passage. The top cover is mounted on the open top of the body and has a balance chamber. The diaphragm assembly is mounted between the top cover and the body, extends in the primary chamber and has a diaphragm, a shaft and a seal. The diaphragm is mounted between the top cover and the body. The shaft is longitudinal, is mounted on the diaphragm and extends downward in the primary. The seal is mounted on the shaft and selectively seals the outlet passage. The longitudinal shaft allows the air pumped into the inlet passage to smoothly flow out of the outlet passage without causing turbulence.
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