Pressure modulation device for hydraulic systems
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United States of America Patent
Stats
-
Apr 14, 1987
Grant Date -
N/A
app pub date -
Apr 7, 1986
filing date -
Apr 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure modulation valve, for supplying a smooth pressure increase, having desired characteristics, to a load port in a hydraulic control system. A single spool provides initial and final bypass phases of rapid pressure rise, and an intermediate modulated phase. The pressure characteristics can be adjusted by varying the loads and openings.
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