PURPOSE: To make a slip quantity adjuster handy by which the control range of a dial can be set always in full range however a user many set the number of revolution of a screw.
CONSTITUTION: In a ship quantity adjuster of a ship marine gear which controls a solenoid valve hydraulically controlling the clutch of a marine gear, 1, by comparing a voltage being set by the variable resistor 3a of a controller 3 with a voltage converted from an rotational speed fed back from the marine gear 1, and making control through a PID control circuit 9 and a PWM control circuit 10, a control range adjusting trimmer 11 is connected in series to the variable resistor 3aa of the controller 3 A handy slip quantity adjuster of a ship marine gear can be provided, in which a dial control range can be set always in full range however a user may set the number of revolution of a screw, only by connecting the control range adjusting trimmer 11 in series to the variable resistor 3aa of the controller 3.
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ISAYAMA HIROO
OTOMO TAKASHI
SHINDENGEN ELECTRIC MFG