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JP3175770B2 |
A variable-speed propeller in a ship drive has the hydraulic valves feeding the working chambers of the hydraulic drive for the variable-speed propeller formed as electromagnetic valves controlled by timing relays which can be switched b...
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JP2001080578A |
To restrict the structure length of an underground structure part by having a hollow piston provided with a stroke cylinder opened toward an adjusting rod, and storing a thrust bearing in the hollow piston. An adjusting mechanism 10 incl...
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JP2001080579A |
To control or adjust a boat with one manual lever by providing one manual lever to be turned within an operation guide flat surface or a control guide flat surface, and increasing or decreasing the blade pitch within the turning area wit...
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JP2000345804A |
To reduce leaked flow quantities of hot gas flow with respect to a prescribed pressure difference along the whole of a blade end part by arranging an offset squealer on an inner side from an outer periphery of a rotary blade, in a blade ...
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JP3065394B2 |
The invention relates to a controllable pitch propeller (2) with adjusting rods (10) arranged in the propeller hub for adjusting the propeller blades (3) and with a hydraulic cylinder (9) for axially displacing the adjusting rods (10), t...
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JP3052182B2 |
PURPOSE: To provide a log speed and ground speed holding device for a ship which is so constituted as to automatically control a log speed or a ground speed to a set ship speed, for example 0 not, when various observation and investigati...
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JP2988903B2 |
To improve the maneuverability by increasing/decreasing a command value such as blade angle while longitudinally prostrating a joy stick, increasing/ decreasing a command value such as azimuth while laterally prostrating the joy stick, a...
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JPH11278378A |
To install a hydraulic cylinder serving as a driving source on the outside by absorbing an inclination of a propeller shaft and preventing disturbance of the motion of a pitch changing change rod passing through the propeller shaft. In a...
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JPH11245889A |
To vary the pitches of propeller blades by means of a simple and efficient mechanism. A plurality of propeller blades 12 are pivotally supported to a hub 14 rotatably mounted on a shaft 16, and two radial pins 20, 22 extending from the o...
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JPH11240490A |
To provide a propeller which reduces the complexity of propeller blade production as well as reduces the danger of maladjustment of the blades and which, despite these reductions, is capable of providing all possible desired pitches. Thi...
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JPH11240491A |
To improve productivity by reducing the finishing process and to achieve highly accurate forming. A cover is formed by first laminating a gel coat layer over an outer covering member mold which forms the outer covering member. Then, an F...
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JPH11227690A |
To easily mount and demount the blades to a hub by providing the clearance for accomodating a claw in a groove, and a projecting part mounted on the clearance, extended outward, and engageable with a lower side of the claw. An ordinary p...
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JP2933224B2 |
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JPH11171090A |
To take the most suitable countermeasure according to navigation state and, particularly, properly cope with an unspecific factor such as sea weather condition in navigation, loading state, change with the lapse of time or the like by us...
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JP2864445B2 |
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JP2862210B2 |
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JP2819571B2 |
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JPH10194194A |
To obtain a high efficiency at all the operating points of a propeller, by making the pitch distribution of the propeller almost constant, in all the operating points, that is, in either case of a high speed go-ahead time, a low speed go...
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JP2760823B2 |
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JP2761868B2 |
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JPH10138993A |
To obtain high efficiency at every operation points of a propeller by interlocking the pitch of an auxiliary propeller blades with the fluctuation of the pitch of main propeller blades pitch and fluctuating it larger than the fluctuation...
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JP2729389B2 |
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JPH1059286A |
To provide a variable pitch propeller for ship which has a simple structure, and is inexpensive. A variable pitch propeller is provided with a propeller shaft 13 furnishing a screw 15 at the tip, a hub 17 to surround the outer periphery ...
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JP2696709B2 |
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JP2657303B2 |
A master controller 14 on the stationary side of a propeller system 10 sends pitch control signals via a communications link 34 which comprises a pair of capacitors 64, 66, each capacitor having a stationary plate and a rotating plate, o...
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JP2652052B2 |
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JP2652051B2 |
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JPH09188296A |
To detect power of a main engine at the present point, a rotational speed per minute, a pitch angle of a variable pitch propeller while comparing them with the predetermined performance by inputting and displaying a signal from a pitch a...
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JP2631536B2 |
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JPH09506575A |
(57) [Summary] The present invention is a device in the propeller drive mechanism (5) of a marine vessel, in which the propeller blades (6) are rotated to various angular positions so as to change the angle of attack of the propeller bla...
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JP2622270B2 |
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JP2535013Y2 |
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JP2600070B2 |
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JP2524806Y2 |
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JPH09500071A |
The propulsion unit consists of a shaft set at an angle to the lengthwise vertical plane of the craft, and a series of semi-submersible blades (1) mounted on the shaft. When the blades are immersed in the water, the pressure side is situ...
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JPH08295289A |
PURPOSE: To make improvements in controllability by detecting a fact that a throttle is operated to its opening side, thereby altering the pitch angle of a propeller to the specified pitch angle as well as detecting a fact that it is ope...
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JP2515864Y2 |
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JP2500406Y2 |
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JP2500401Y2 |
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JPH086712Y2 |
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JPH089358B2 |
The present invention provides for a propulsion apparatus for fluid medium comprising an open-ended sleeve having an inlet and outlet for flow through of fluid and a series of cooperating blades positioned along the sleeve. Each of the b...
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JPH07115669B2 |
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JPH0754077Y2 |
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JPH07257486A |
PURPOSE: To provide a device whereby accelerating an existing ship can be attained by additionally providing a propulsive power auxiliary engine, and mechanically connecting an output of this auxiliary engine to a propeller shaft, so as ...
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JPH0741678Y2 |
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JPH07224805A |
PURPOSE: To simplify a hydraulic device without impairing the advantage of the hydraulic device that has been proved to be advantageous for scores of years and to heighten particularly the safety of the device while reducing cost and hei...
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JPH0729038Y2 |
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JPH07149287A |
PURPOSE: To largely reduce generation quantity of smoke in increasing an engine load or an engine output of a turbo diesel engine, and to restrict environmental pollution caused by smoke. CONSTITUTION: For improving at least either of dy...
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JPH0753520B2 |
Apparatus for controlling the pitch of the blades of a variable pitch, governor controlled, aerial propeller of which the pitch of the blades is variable between a coarse pitch limit and a fine pitch limit to match the torque of its prim...
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JPH0718322B2 |
The invention relates to a rotor device, preferably a boat propeller device. The propeller shaft drives, via a planetary gear system, two propellers in the rotational direction of the shaft and one propeller counter to the rotational dir...
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