Linear drive device
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United States of America Patent
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-
Oct 4, 1994
Grant Date -
N/A
app pub date -
Mar 12, 1992
filing date -
Mar 14, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear drive device has a linear motor which consists of a piston, an output rod and a control rod. The two rods extend through the two end plates of the motor housing. The working or output rod is designed for the transmission of power to some structure. The control rod cooperates a sensor for positioning. The sensor and also a valve arrangement is integrated in the housing end plate associated with the control rod. The valve arrangement controls flow through pressure fluid duct provided in the housing end plate at the control end for actuating the linear motor.
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