Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1999-08-13
2000-12-12
Swinehart, Ed
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
440 53, B63H 5125
Patent
active
061590614
ABSTRACT:
A tilting apparatus for a marine propulsion unit is provided with an accumulator provided in a supply line of hydraulic oil positioned between a pump and a changing-over valve for accumulating and reserving the hydraulic oil discharged by the pump, an accumulate pressure sensor for detecting the accumulated pressure in the accumulator, and a control circuit for driving the pump to accumulate the hydraulic oil into the accumulator when the accumulated pressure in the accumulator detected by the accumulated pressure sensor is lower than a preset value.
REFERENCES:
patent: 5368509 (1994-11-01), Tsujii
Showa Corporation
Swinehart Ed
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