Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent
1993-11-05
1995-02-28
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Pilot or servo controlled
137 83, 137 85, G05D 1602
Patent
active
053928091
ABSTRACT:
A hyper-reset pressure controller which includes two separate feedback paths which results in a substantially smoother and more accurate pressure control.
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patent: 4874016 (1989-10-01), Tseng
Publication Hydraulic Stabilizer Instructions (13-500) (undated).
Acme Steel Company
Nilson Robert G.
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