Hydraulically actuated stroke adjusting device
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United States of America Patent
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-
Mar 14, 1989
Grant Date -
N/A
app pub date -
Feb 10, 1986
filing date -
Feb 14, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a stroke adjusting device on pumps, in particular proportioning pumps, a hydraulic actuation occurs due to the fact that a hollow shaft, which guides in its interior a sliding shaft, is formed as a hydraulic cylinder, in which the sliding shaft, designed as a double action hydraulic piston, is slidable axially in both directions by means of a hydraulic fluid. Owing to this, the required axial adjusting movement of the sliding shaft is not brought out of the hollow shaft axially to the outside, whereby the two ends of the hollow shaft are kept free for the coupling of several engines or pumps.
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