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JP4195060B2 |
For design of marine diesel engines a novel layout diagram is used providing a modified maximum power line (L1-L3) allowing increasing mean effective combustion pressure (MEP) and increasing maximum combustion pressure (Pmax) for increas...
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JP2008506584A |
A marine propulsion system comprising a push rod activated pins (170) which engage eccentric shaft (174) for unlocking a propeller base (190) so the base (190) can rotate around a transverse axis. The base (190) has an inclined surface (...
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JP2007534608A |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a cement based dry mortar composition wherein the amount of the cellulose ether in the tile cement based dry mortar composition ...
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JP2007534607A |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a cement extrusion mortar composition wherein the amount of the cellulose ether in the cement extrusion mortar composition is si...
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JP2007534605A |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a dry tile cement composition wherein the amount of the cellulose ether in the tile cement composition is significantly reduced....
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JP2007534606A |
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a gypsum based dry mortar composition wherein the amount of the cellulose ether in the gypsum based dry mortar composition is si...
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JP4008239B2 |
A rotor through which a fluid flows in a main direction of flow, provided with at least one rotor blade, the rotor blade being arranged to rotate about a rotor axis. The rotor blade extends away from the axis of rotation into the field. ...
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JP3975090B2 |
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JP3963646B2 |
A marine propeller includes a hub defining an axial direction of the propeller, a plurality of adjustable propeller blades disposed around the hub, and a blade setting adjusting arrangement. Each blade includes a blade-part and a root-pa...
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JP3958051B2 |
To provide a boat and its operating method which can simplify a support mechanism and a turning mechanism of a POD propeller installed separately from a main propeller and reduce costs. This boat is provided with the main propeller 2 whi...
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JP3133448U |
To provide a ship propulsion device capable of more reliably and properly performing emergency cruising with a simple configuration by improving an shaft drive propulsion device. A three-phase synchronous shaft drive generator having a r...
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JP3913262B1 |
To reduce the amount of oil leakage when supplying high-pressure oil from the end of a propeller shaft to a servo cylinder on the other end of the propeller shaft in a rotary shaft refueling device such as a thruster, and to efficiently ...
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JP3913261B1 |
To reduce an amount of oil leakage when supplying high-pressure oil from a propeller shaft end to a servo cylinder on the other end of a propeller shaft in a thruster refueling device so that refueling can be performed efficiently. An oi...
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JP2007509792A |
A control method and system for a controllable pitch marine propeller including operating modes comprised of a maneuvering mode and a cruise mode and check modes comprised of an engine check mode and propeller check mode. The cruise mode...
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JP3902157B2 |
To provide a vessel propulsion apparatus minimizing facility cost, provided with an auxiliary engine, capable of navigating at low speed in the state of stopping of a main engine and navigating with energy-saving by making degree of prac...
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JP2006528577A |
A marine propulsion system comprising a push rod ( 50 ) for adjusting the pitch of propeller blades ( 34 ). The push rod ( 50 ) has a screw-threaded bolt ( 60 ) engaged with a nut ( 78 ). The nut ( 78 ) carries a bevel gear ( 84 ) by whi...
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JP3618605B2 |
To hold the angle of propeller blades even with an oil leakage in a hydraulic system of a blade angle changing device in a turning type marine vessel propulsion device. The marine vessel propulsion device has a turning cylinder 1, a vert...
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JP3615985B2 |
To cope safely with a danger by acting a hull so as to exceed a conventional restriction when the hull is urgently avoided from a danger. This ship steering device installed on a hull 1 provided with a propulsive propeller 2 for obtainin...
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JP2005022570A |
To provide a propeller for a marine vessel capable of reducing stern vibration or blade surface erosion due to cavitation especially in a special high-speed large-sized vessel.According to this invention, each pitch angle of a plurality ...
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JP3607110B2 |
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JP3608002B2 |
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JP2004359059A |
To provide a propulsion control device of a variable pitch propeller ship that does not damage the stability of a main shaft rotation speed even when a CCP blade angle is small, especially the angle is near the minimum value.The blade an...
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JP2004231102A |
To provide a structure for arrangement of a hull and a propeller of a waterborne navigation ship, by which obstructions in propelling the ship can be reduced.The structure for arrangement of the hull and the propeller of the waterborne n...
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JP3527040B2 |
To provide a Z-type propelling device which does not leak operating oil for changing a propeller pitch. A turning cylinder 4 is provided on a floor 1 via a bearing 3 and is turned by a hydraulic motor 6. The bottom part of a case 8 fixed...
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JP3523971B2 |
To provide a Z-type propelling device whose water sealing device can be easily replaced only by disassembling a propelling device. A tapered part 12 is formed at the end of a propeller shaft 10 in a gear case 1. A shaft joint 15 having a...
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JP2004106582A |
To provide a vessel and its operation method, which makes the best use of driving force by the rotation of a POD propeller by making a flow flowing into the POD propeller stable and satisfactory, in obtaining the driving force by rotatin...
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JP3481973B2 |
PURPOSE: To secure actuation, and enhance durability by projecting two pins opposite to the outer periphery of a blade shaft, guiding the pins in the direction for a blade pitch to become large by a cam as the blade shaft moves to the ou...
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JP3416343B2 |
PURPOSE: To prevent the number of revolution of a main engine from being reduced when a propulsion clutch is fitted, and to keep the parallel operation of a shaft generator and an independent generator by driving a propulsion shaft syste...
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JP3400205B2 |
To form exhaust passages having a large cross sectional area on a blade boss without being hindered by a blade shaft regardless of variable-pitch blades. Multiple fixed blades 32f and variable blades 32m are arranged in turn on the outer...
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JP3400195B2 |
To reduce the flow resistance of water on an outer circumferential surface of a blade boss when a variable blade is at the opening position to maximize the propeller diameter in a variable diameter propeller for ship use. A boss 32a of a...
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JP2003065205A |
To solve an actual problem wherein a practical propeller diameter variable device is not seen in the market though it is known that efficiency of a propeller is improved when a diameter of a blade is enlarged while there is a windmill fo...
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JP3363163B2 |
PURPOSE: To regulate the installing angle of vanes securely without necessity of using a hydraulic cylinder. CONSTITUTION: A gear train which consists of a sun gear 21 connected to an electric motor through an input shaft 7, an epicyclic...
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JP3337342B2 |
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JP3335254B2 |
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JP2002257087A |
To prevent the sticking of a rotor blade shaft arm and an arm piece at a contact surface.A flange part 52 of a flanged bush 51 composed of self- lubricating material is extended to provide a step part 16 on the contact surface 40 of the ...
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JP2002529293A |
[Purpose] Provided is a professional drive motor provided with a phase adjusting means for changing the pitch of propeller blades. [Constitution] The propeller blades are rotated around a radial axis that intersects the drive shafts of t...
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JP3311169B2 |
PURPOSE: To provide a propeller for a vessel of a simple constitution in which propeller efficiency is decreased in a low speed rotation range of the propeller to satisfy low speed operation performance, and in which propeller efficiency...
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JP3311078B2 |
PURPOSE: To allow a variable thrust type propeller with a torque limiting device to be fitted to a relatively short propeller shaft for an ordinary propeller. CONSTITUTION: An extended shaft 16 extended backward from the rear end of a pr...
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JP3311174B2 |
PURPOSE: To reduce a number of part items and an assembly man-hour in such a manner that a propeller is mounted on a propeller shaft simultaneously with setting a shear pin also to perform preventing coming off in a blade shaft of openab...
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JP3311079B2 |
PURPOSE: To enable the automatic control of a propeller diameter or pitch angle without using an actuator. CONSTITUTION: Plural blade shafts 32 spline-connected to the bosses 31a of plural propeller blades 31 are placed parallel with the...
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JP3311180B2 |
PURPOSE: To reduce water agitation resistance of a blade boss of a variable diameter propeller for ship when the variable blade comes to an opening position where the propeller diameter is made maximum. CONSTITUTION: A boss 32a of a vari...
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JP3311080B2 |
PURPOSE: To enable the underwater exhaust of exhaust gas of an engine through the inside of the propeller boss of a variable diameter type propeller. CONSTITUTION: Plural recessed parts 25 and land parts 26 are arranged alternately in ci...
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JP2002145189A |
To provide a total ship plan reducing construction cost and operation cost, with low environmental pollution, and giving a comfortable ride.This equipment structure in shipping has a driving unit comprising an internal combustion engine ...
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JP3263543B2 |
PURPOSE: To prevent the occurrence of hub swirl for improving thereby the efficiency of a propeller and reducing radiation noises. CONSTITUTION: In a variable pitch propeller having a plurality of propeller blades mounted rotatably on a ...
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JP3252042B2 |
PURPOSE: To provide a compact marine variable pitch propeller allowing connection to a relatively short propeller shaft and having a torque limiting device. CONSTITUTION: In a recessed section 26 where a sleeve 18 splined to the outer su...
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JP3247563B2 |
PURPOSE: To satisfy the operability at low speed and high output quality at high speed effectively increasing/decreasing the propeller thrust according to the increase/decrease of the propeller diameter in a variable thrust propeller whe...
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JP3247527B2 |
PURPOSE: To easily and properly hold a blade shaft rotatably supporting a propeller blade, on a propeller boss at the preset axial position, regarding a marine variable pitch propeller having a variable propeller diameter. CONSTITUTION: ...
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JP2001334996A |
To provide a steering device which can consistently move a hull in a diagonal direction even when the moving speed of the hull is increased.This steering device comprises an operating means for setting the movement of the hull, a control...
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JP2001334995A |
To provide a steering device which can move a ship in the transverse direction while maintaining the azimuth without reducing the moving speed in the transverse direction by the output of a bow thruster.This steering device comprising a ...
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JP2001519289A |
A variable-pitch marine propeller system has a propeller unit for mounting on a drive shaft, and a power unit including a stationary annular hydraulic cylinder for operating the propeller unit, a hydraulic remote control unit being fluid...
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