Document |
Document Title |
JPS60176895A |
PURPOSE: To improve the accuracy of under water acoustic observation by reducing the propeller cavitation of an observation vessel resulting in a noise source as low as possible. CONSTITUTION: The underwater noise generated from a propel...
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JPS60130199U |
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JPS60126820U |
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JPS60125299U |
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JPS60124400U |
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JPS60121998U |
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JPS6034000B2 |
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JPS60146795A |
PURPOSE: To keep the revolution speed of a main engine to a desired value by automatically controlling the pitch of a variable-pitch propeller without using a constant-speed governor. CONSTITUTION: The revolution speed N of a Diesel engi...
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JPS60124590A |
PURPOSE: To obtain simplified structure and reduced number of components for cutting of the cost by designing a combined use of propeller shaft bearing lubricant oil and hydraulic oil of a variable pitch propeller. CONSTITUTION: Lubrican...
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JPS6021356Y2 |
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JPS60113800A |
A propeller pitch control system having a mechanical low pitch stop which includes an electrical backup therefor. The backup comprises an electrically operatable means (245) to effect blade pitch adjustment toward feather under condition...
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JPS60110597A |
PURPOSE: To always operate an engine with an optimum air-fuel ratio so as to improve fuel consumption and prevent the generation of black smoke by controlling a propeller blade angle, adding the information of air volume in relation to c...
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JPS6084397U |
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JPS6088696A |
A controllable pitch propeller assembly has an inner housing attached to a main drive shaft, the housing having rails on the outer surface thereof. Modules carrying the propeller blades are positively mounted on the rails, each module ha...
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JPS6076497A |
PURPOSE: To make it possible to always run an engine with an optimum air-fuel ratio, by controlling the blade angle of a propeller in accordance with the data of air volumes for combustion of the engine. CONSTITUTION: Function generators...
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JPS6060396U |
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JPS6042195A |
PURPOSE: To reduce vibration of hull by employing H-shaped cross-section at the base of propeller vane while varying the pitch of propeller vane through torsion at the vane base section thereby suppressing variation of thrust and torque ...
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JPS6025883A |
PURPOSE: To enable the control of a variable pitch propeller without generating any cavitation noise by providing a memory in which non-cavitation generation area is memorized beforehand. CONSTITUTION: When a desired ship speed condition...
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JPS601037Y2 |
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JPS59192498U |
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JPS5951475B2 |
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JPS5951473B2 |
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JPS59216788A |
PURPOSE: To control a ship at a constant speed by the minimum consumption of fuel by changing a propeller pitch when an actual ship speed is under the optimum efficiency curve and the number of revolutions of a main engine when the same ...
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JPS59216787A |
PURPOSE: To minimize fuel consumption at a fixed speed of a vessel by driving a main engine with a rotation number of the engine requiring minimum fuel consumption volume when the speed of the vessel becomes a fixed value. CONSTITUTION: ...
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JPS59179293U |
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JPS5941194Y2 |
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JPS5941193Y2 |
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JPS5941192Y2 |
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JPS5941191Y2 |
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JPS59199394A |
PURPOSE: To enable the control of a propelling load and the improvement in a fuel cost saving operation by a method wherein a vessel equipped with a variable pitch propeller is operated in accordance with an optimum operation line obtain...
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JPS5939118Y2 |
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JPS59155292U |
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JPS5931512Y2 |
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JPS59149890A |
PURPOSE: To reduce the vibratory force on the blades of a propeller, by continuously changing the twist pitch of the blades, periodically in every rotation, depending on the distribution of flow velocity at the blades. CONSTITUTION: When...
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JPS59126798U |
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JPS59145689A |
PURPOSE: In a screw propeller for vessel, to reduce exciting force by varying the screw disc pitch with single rotation period continuously in accordance to the flow speed distribution thereby maintaining the attack angle against flow co...
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JPS5933761B2 |
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JPS59137290A |
The adjustable propeller has an adjusting mechanism for adjusting the pitch of the individual propeller blades. The adjusting mechanism comprises an actuator and a correction mechanism for each propeller blade for cyclically adjusting th...
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JPS59111797U |
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JPS5924633Y2 |
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JPS5924634Y2 |
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JPS5981698U |
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JPS5921840B2 |
In a controllable pitch propeller assembly, a threaded and split bearing ring engages an internally threaded radial bore in the hub of the assembly. A plug for expanding the bearing ring is provided to interlock the threads of the ring w...
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JPS5919873B2 |
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JPS5914395B2 |
A variable-pitch propeller has a hollow hub rotatable about a hub axis and carrying a plurality of angularly equispaced vanes each rotatable on the hub about a respective vane axis extending radially of the hub axis. Each of the vanes ha...
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JPS5914396B2 |
An overload protection control circuit for marine engines, in which a propeller pitch control signal, as initiated by the operator and transmitted to a servo-positioner for setting the propeller pitch, is modified by a speed control sign...
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JPS5912512B2 |
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JPS5948292A |
PURPOSE: To make variable the pitch of a propeller without using any hydraulic servo mechanism, by a method wherein a feed screw body for reciprocating a crank mechanism for changing blade pitch is engaged with and disengaged from a prop...
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JPS5935198U |
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JPS592679B2 |
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