Adjustable proportional throttle-valve with feedback
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United States of America Patent
Stats
-
Jan 12, 1993
Grant Date -
N/A
app pub date -
Oct 23, 1991
filing date -
Oct 31, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The throttle-part of the valve comprises a two-way seat valve with a follow-up throttle valve (8), which is driven by a differential guide piston (12) and an edge control system (20). The guide piston is pressurized via a pressure-spring (16) in a pressure-spring compartment in the direction of the closed position of the edge control system. The drive is effected via a pilot line A which pressurizes or depressurizes the pressure-spring compartment (18) via a proportional directional control valve (6), while the position of the guide piston (12) is determined by an inductive displacement transducer.
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Cited Art Landscape
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