Load Control System
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United States of America Patent
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Issued Date -
May 1, 2008
app pub date -
Sep 22, 2005
filing date -
Sep 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
It is an object of the present invention to provide a load control system capable of controlling pressure generated by a pneumatic device with a high degree of accuracy and further capable of reacting to variations of the pressure without delay. A pressure regulating screw (61), which is adopted to set a secondary pressure of compressed air output from a pressure regulator body (60) for supplying compressed air at the secondary pressure to a pneumatic cylinder device (10), is coupled to a motor shaft (42) of a rotational driving device (41) via bowl-shaped members (51) and (52) having flexibility in a direction in which the bowl-shaped members move toward and away from each other, and a drive control circuit (30) which receives a pressure signal output from a pressure sensor (14a) of the pneumatic cylinder device (10) rotates the pressure regulating screw (61) via the motor shaft (42) of the rotational driving device (41) and the flexible bowl-shaped members (51) and (52) so that the pressure signal holds a set value.
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