B - Operations – Transporting – 63 – H
Patent
B - Operations, Transporting
63
H
341/97
B63H 25/42 (2006.01) B63H 5/125 (2006.01)
Patent
CA 1233219
-20- ABSTRACT OF THE DISCLOSURE A control system for controlling the rotation of a rotary mechanism such as a propeller housing in a Z-type propulsion apparatus is provided. A command signal and a feedback signal both relating to the rotation of the rotary mechanism are compared with each other. And a control signal which varies at a predetermined inclination is generated when the command and feedback signals differ in amplitude from each other. And a drive unit rotates the rotary mechanism in accordance with the control signal.
451770
Aizawa Yasuo
Ichijo Kohji
Kodera Masanori
Niigata Engineering Co. Ltd.
Ridout & Maybee Llp
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