Fluid handling – Processes
Reexamination Certificate
2005-09-13
2005-09-13
Lee, Kevin (Department: 3753)
Fluid handling
Processes
C137S269000, C137S510000, C251S337000
Reexamination Certificate
active
06941962
ABSTRACT:
A pressure control device and associated method of use capable of regulating fluid pressure for multiple fluid types. The pressure control device includes a fluid sensing port, a pressure responsive device, a fluid sensing port, a valve, a valve seat, a first valve chamber, a second valve chamber that is moveable in relationship to the first valve chamber, a first member located within the first valve chamber, a first biasing mechanism located between the pressure responsive device and the first member, a first adjustment mechanism adjustably attached to the first valve chamber for selectively positioning the first member in relation to the first valve chamber, a second member located within the second valve chamber, a second biasing mechanism to apply pressure to the second member and a second adjustment mechanism adjustably attached to the second valve chamber for selectively positioning the second member in relation to the second valve chamber.
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Honeywell, VS8420 Millivolt Gas Valve Installation Instructions, 2000.
Blackwell Sanders Peper Martin LLP
Lee Kevin
Robertshaw Controls Company
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