Pneumatic exhaust controller
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United States of America Patent
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Sep 14, 2004
Grant Date -
Dec 4, 2003
app pub date -
Jun 4, 2002
filing date -
Jun 4, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pneumatic exhaust controller for use with a source of pressurized air comprises a manifold having a first portal coupled to the source of pressurized air, a second portal, and an exhaust portal. Two manifold embodiments are disclosed. Two regulator embodiments that operate to close the exhaust portal in response to pressurized air from the air source being communicated through the first portal and that operate to pass pressurized air from the pressurized air source to the second portal are disclosed. The regulators are situated in chambers of respective manifolds. A solenoid valve is coupled to each of the manifolds and is operable to block and unblock pneumatic communication between the respective first portal and the associated second and exhaust portals.
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