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JP6233976B2 |
To actuate a main engine in a proper load region even when a required power supply amount is generated by a main shaft power generator.A blade angle arithmetic unit 11 is used for controlling a variable pitch propeller 20 of a vessel 1, ...
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JP6178825B2 |
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JP6175281B2 |
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JP6164406B2 |
To provide an operation condition display device and a vessel which enable an operation condition of the vessel to be understood in real time and can support energy saving operation of the vessel.A vessel operation condition display devi...
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JP6130744B2 |
In an apparatus for controlling a boat equipped with an outboard motor mounted on its stern and having an internal combustion engine, a propeller to be driven by the engine and a propeller pitch changer adapted to variably change a pitch...
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JP6123029B2 |
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JP6084912B2 |
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JP6058047B2 |
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JP6058046B2 |
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JP6058048B2 |
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JP6047923B2 |
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JP6044922B2 |
To provide a hybrid cruising system for a vessel, configured to allow a tramper to obtain energy saving effect by optimizing entire energy demand and supply balance for one cruise including energy supply and demand for example, cargo han...
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JP6029176B2 |
The objective of the present invention is to provide a ship that protects an electric motor without using a frequency converter and that is capable of propulsion by means of the combined output of the output from an internal combustion e...
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JP6021752B2 |
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JP6000924B2 |
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JP6000923B2 |
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JP5997408B1 |
[Subject] A ship propeller of an assembly type which can change a pitch of a propeller shuttlecock easily is provided. [Means for Solution] A propeller shuttlecock in which a ship propeller contains a shuttlecock flange, and a propeller ...
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JP5970363B2 |
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JP5872255B2 |
A marine vessel propulsion device (1) includes a bracket (2) that is attachable to a marine vessel (V1), a duct (12) that is rotatable around a steering axis (A1) with respect to the bracket (2), a propeller (6, 206, 406, 606, 706) that ...
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JP2016502960A |
A drainage hull having a shape that is symmetrical in the lateral direction and also symmetrical in the front-rear direction is disclosed. The hull contains a pair of channels that help control the flow of water around the hull. The hull...
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JP5844617B2 |
A marine vessel propulsion device (1, 201, 301, 401, 501, 601, 701, 801) includes a propeller (5, 305, 405) rotatable around a propeller axis (A2), a duct (26) that surrounds the propeller (5, 305, 405) around the propeller axis (A2), an...
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JP5839259B2 |
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JP5836559B2 |
Provided is a driving apparatus of a variable pitch propeller having blades, each of which has a pitch angle changed in a rotational direction of a propeller shaft, and a pitch adjuster for adjusting the pitch angle. The pitch adjuster i...
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JP5646101B2 |
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JP5631494B2 |
In the case of a variable-pitch propeller or repeller according to the invention, the pitch-adjusting device is arranged in the hub and formed in such a way that it allows only a numerically limited number of different blade pitches, pre...
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JP5620586B2 |
The invention relates to a ship comprising a plurality of Magnus rotors. Each Magnus rotor is associated with an electric motor which can be controlled individually and which is used to rotate the Magnus rotor. Each electric motor is ass...
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JP5588883B2 |
A device for changing a pitch of a blade of an impeller/propeller is disclosed. The device includes a linear actuator, a first bearing and a second bearing, allowing a relative axial movement between the first bearing and second bearing....
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JP5574902B2 |
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JP5544586B2 |
[Problem] To improve propeller efficiency as high as possible and thereby enable energy-efficient operation [Solution] A controllable pitch propeller control ship is provided with a controllable pitch propeller; a hydraulic unit (13) dis...
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JP5479552B2 |
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JP5164043B2 |
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JP5143017B2 |
Method for operating an energy system (1) of a cargo ship comprises providing energy necessary for driving a ships propeller (7) and for an electrical network (4) by controlling the direction and size of the energy flow (13) and operatin...
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JP2013503784A |
The invention relates to a mechanically driven, hubless, high-efficiency ship propulsor comprising at least one rotor having blades (10) in a ring, wherein the rotor fitted with a gear rim is joined to the engine of a ship via a shaft (1...
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JP5107091B2 |
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JP5101210B2 |
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JP5055243B2 |
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JP5042977B2 |
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JP2011156964A |
To provide a considerably large-sized displacement ship which secures a large space for cargos and eliminates the need for steering by dispensing with the use of ballast water even during no-cargo navigation.In this ship, the width of th...
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JP4699282B2 |
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JP2011093502A |
To improve the maneuverability of a vessel without deteriorating propulsion performance in a two-axis vessel using an OLP (Overlapping Propellers) system.This propulsion device includes a port side propeller 20, a starboard side propelle...
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JP4518512B2 |
An efficient double-ended watercraft is disclosed that comprises four low-Froude number hulls: two forward, two aft, two on the port side, and two on the starboard. Each hull comprises an independent engine that drives a propeller shaft ...
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JP4493598B2 |
The lifetime of plural shock absorbing resilient inserts of an adjustable pitch propeller with feathering blades may be increased. According to an embodiment, stops are implemented between metal surfaces that may be reached only in the e...
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JP4456766B2 |
A marine propeller comprises a hollow hub body (11), a plurality of propeller blades (16) and a plurality of fastening devices (19, 21) for each propeller blade (16). Each fastening device includes a tension rod (19) and a flange member ...
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JP4356684B2 |
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JP4335835B2 |
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JP4299968B2 |
A propulsion system for a water craft having at least one shaft extending rearwardly form the transom of the hull of the craft and a drive system for driving the at least one shaft. A surface piercing propeller is mounted on the at least...
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JP4253496B2 |
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JP4253636B2 |
Marine vessel propulsion system comprising engine system ( 2 ) for producing propulsion power and several propulsion means ( 3, 9 ) at its stem section, including a combination of at least two propulsion arrangements ( 9 ) capable of ste...
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JP2009067226A |
To provide a marine propeller capable of enhancing the propulsion efficiency and reducing the load on a main engine.The marine propeller comprises a boss part 2 to which the rotational driving force is transmitted from a main engine, and...
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JP4198396B2 |
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