Outboard motor steering system

Details Outboard motor steering system Outboard motor steering system

B - Operations, Transporting

63

H

B63H 25/22 (2006.01) B63H 20/00 (2006.01) B63H 20/08 (2006.01) B63H 20/12 (2006.01) B63H 25/00 (2006.01) B63H 25/02 (2006.01) F15B 7/00 (2006.01)

Patent

CA 2457729

An outboard motor steering system for an outboard motor mounted on a stern of a boat and having an internal combustion engine and a propeller with a rudder powered by the engine to propel and steer the boat The system includes a swivel shaft installed in the outboard motor, a swivel case rotatably accommodating the swivel shaft, and a hydraulic cylinder connected to the swivel shaft to rotate it. The swivel case is formed with a box-like recess to accommodate the hydraulic cylinder therein such that the hydraulic cylinder does not project outside a profile of the outboard motor, regardless of a steered angle of the outboard motor A rotation angle sensor is also installed in the recess and outputs a signal indicative of an angle of swivel shaft rotation Further, moving orifices are provided in a hydraulic pressure circuit of the actuator for relieving excessive hydraulic pressure. Thus, space utilization around the outboard motor and boat is not restricted and steering feel is improved.

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