Marine propulsion – Engine – motor – or transmission control means
Patent
1991-02-26
1992-01-14
Sotelo, Jesus D.
Marine propulsion
Engine, motor, or transmission control means
440 85, 440 86, 440 87, B63H 506
Patent
active
050806190
ABSTRACT:
Each of control boxes has an operation lever and an element moving together with the operation lever and a primary sensor for detecting the position of the moving element are arranged in each of the control boxes. A drive unit includes a motor, a movable rack driven by the motor and a secondary sensor for detecting the position of the moving rack. A control circuit serves to drive the motor to make any positional difference of the moving element and the movable rack zero. In a case where the position of the moving element does not coincide with that of the movable rack even after a predetermined time period goes by from when the rotation of the motor is started, current supply to the motor is temporarily stopped and then again started. When the control boxes are to be changed over from one to the other, this changeover is allowed only in a case where the control boxes which are to be changed over from one to the other and the drive unit are in neutral position. The drive unit includes a manual gear which can be toothed with the movable rack, and a handle for rotating the manual gear when something wrong happens to the electric system.
REFERENCES:
patent: 4753618 (1988-06-01), Entringer
patent: 4801282 (1989-01-01), Ogawa et al.
patent: 4810216 (1989-03-01), Kawamura
patent: 4836809 (1989-06-01), Pelligrino
patent: 4927391 (1990-05-01), Bland et al.
Hoshina Yoshikazu
Matsumoto Kazuhisa
Sasabuchi Azuma
Uchida Tatsumi
Avila Stephen P.
NHK Morse Co., Ltd.
Sotelo Jesus D.
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