Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 27, 2011
Patent Application Number
12454611
Date Filed
May 20, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
Fluid control apparatus including a proportional flow valve having a fluid inlet and a fluid outlet; a pneumatic proportional control valve in communication with the proportional flow valve for modulating the proportional flow valve; a frictional flow element having a frictional flow element fluid inlet in fluid communication with the fluid outlet of the proportional flow valve and having a frictional flow element fluid outlet spaced from the frictional flow element fluid inlet, an upstream pressure sensor; a downstream pressure sensor; and a controller in communication with the upstream pressure sensor, the downstream pressure sensor and the pneumatic proportional control valve.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
