Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Reexamination Certificate
2006-06-06
2006-06-06
Chambers, A. Michael (Department: 3753)
Fluid handling
Line condition change responsive valves
Pilot or servo controlled
C137S109000, C137S389000, C137S393000, C137S565010, C137S565370, C137S557000
Reexamination Certificate
active
07055546
ABSTRACT:
A fluid intake pressure regulating system of this invention maintains the pressure of fluid entering a pump below a preselected level for avoiding undesirably high fluid discharge pressure exiting the pump.
REFERENCES:
patent: 3511579 (1970-05-01), Gray et al.
patent: 3744932 (1973-07-01), Prevett
patent: 4502842 (1985-03-01), Currier et al.
patent: 4718443 (1988-01-01), Adney et al.
patent: 5713724 (1998-02-01), Centers et al.
Athanasiades Neocles G.
McLaughlin John E.
Meng Toh M.
Chambers A. Michael
Hart Frank L.
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