TIME DELAY VALVE
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United States of America Patent
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N/A
Issued Date -
Apr 4, 2013
app pub date -
Jun 7, 2011
filing date -
Jun 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An on-off valve (7) opens/closes flow between a port (P) where compressed air is supplied and a port (A) connected to the outside; and a delay mechanism (8) which opens the on-off valve (7) after a predetermined period of time. The delay mechanism (8) includes: a throttle valve (22); a piston (36); a pressurizing chamber (40); and a communicating passage (42). When a pressure of the compressed air supplied from the first port (P) to the pressurizing chamber (40) reaches a set pressure, a valve opening force exerted on the piston (36) exceeds a valve closing force exerted on the on-off valve (7), and the on-off valve (7) is opened, so that compressed air from the first port (P) is supplied to the outside through the second port (A).
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