Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Reexamination Certificate
2005-09-16
2009-10-13
Griffin, Walter D (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
C422S105000, C422S111000, C422S112000, C422S114000, C048S061000, C048S127900, C048S198700, C048S190000, C048S191000, C429S010000, C429S006000
Reexamination Certificate
active
07601302
ABSTRACT:
Feedstock delivery systems and hydrogen-producing fuel processing assemblies and fuel cell systems containing the same. The feedstock delivery systems include a liquid pump that draws at least one liquid feedstock from a supply and delivers at least one feed stream containing the feedstock(s) to a fuel processor, such as to the hydrogen-producing region thereof. The feedstock delivery system further includes a recycle conduit that establishes a fluid flow path for the liquid feedstock(s) from a location downstream of the pump back to a location upstream of the pump. In some embodiments, the feedstock delivery system further includes a flow restrictor associated with the recycle conduit and a pressure-actuated valve that selectively permits the recycled feedstock to bypass the flow restrictor. In some embodiments, the pump is configured to draw a greater flow rate of the feed stream from the supply than is delivered to the fuel processor.
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Edlund David J.
Studebaker R. Todd
Dascenzo Intellectual Property Law, P.C.
Griffin Walter D
Idatech, LLC
Seifu Lessanework
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