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Patent Searching and Data


Matches 351 - 400 out of 4,972

Document Document Title
WO/2012/144907A1
A method for operating an aircraft that is driven forward in the air with a propulsion system in the form of two engines of the jet or propeller type one on each side of the fuselage is disclosed, and it is characterized in that during t...  
WO/2012/137144A1
Marine tunnel thruster comprising a duct (1) within which at least a propeller (2) is fitted which is operatively connected to rotational drive means and wherein the duct is composed of three sections, of which a first central section (1...  
WO/2012/129632A1
The group of inventions relates to the field of mechanical engineering. In a first embodiment, the method for generating propulsion is characterized in that a rotating stream of working fluid is directed along an inner conical surface by...  
WO/2012/098021A3
The invention relates to a rudder propeller comprising a drive shaft (1) and a propeller shaft (a) that can be driven by the drive shaft by means of an angular drive (2) and a planetary gear (3), said gear being located on the propeller ...  
WO/2012/089845A3
Arrangement for supplying electric power to a propulsion system of a marine vessel, which comprises a propeller motor (8), which is connected to an ac generator (4) and the ac generator (4)supplies electric energy to the propeller motor ...  
WO/2012/114892A1
Provided is a steam turbine driving machine, in which two shafts can be provided without increasing the space required for installing the machine, and in which two output shafts can be driven separately by a simple constitution. A steam ...  
WO/2012/069164A3
The invention relates to a marine vessel propulsion system with a nozzle body (1) and a propeller (2) surrounded by the latter; the nozzle body has an inner surface (1.1) which forms a flow duct, and also an outer surface (1.2); there is...  
WO/2012/108064A1
Since the rotation of the vanes of a fan or a screw in the conventional art was achieved by transmitting the rotation of a central shaft thereto, a large torque was necessary and a high-output power source was required. In this invention...  
WO/2012/104303A1
Arrangement for steering and supplying propulsion power to a contra rotating propellers (CRP) propulsion system in a marine vessel, which arrangement comprises a first propeller (44) driven by a rotating power unit (40) and a second prop...  
WO/2012/098021A2
The invention relates to a rudder propeller comprising a drive shaft and a propeller shaft that can be driven by the drive shaft by means of an angular drive and a planetary gear, said gear being located on the propeller shaft and compri...  
WO/2012/095254A1
The invention relates to a drive of a water craft, having a drive motor (M) and having a drive unit (E) which is arranged outside the water craft, which drive unit comprises a housing (G) with an underwater transmission (UG) arranged the...  
WO/2012/094687A1
The invention relates to a watercraft (1) comprising a hull (2) and a propeller (11), the shaft of which (13) is mounted in a height-adjustable manner in an adjusting device (9) at the stern (4) of the hull (2). The shaft (13) runs benea...  
WO/2012/089846A1
Arrangement for supplying propulsion power to a contra rotating propellers (CRP) propulsion system in a marine vessel, which arrangement comprises a first propeller (6) driven by a rotating power unit (2) and a second propeller(12) drive...  
WO/2012/089914A1
The present invention discusses a novel retractable thruster unit for a marine vessel using a tunnel thruster. The retractable thruster unit of the invention has a nozzle (44) having an end (60), the end (60) being provided with two clos...  
WO/2012/091272A1
The present invention relates to a device for propelling a vessel, and more particularly, provides a device for propelling a vessel which can distribute weight by means of a screw propeller, which is installed inside a guide pipe, and a ...  
WO/2012/085341A1
The invention relates to a marine vessel (1 ) comprising a hull structure (2) with a bow (3), a stern (4), and a centre line skeg (5) extending along a longitudinal axis of the marine vessel. The marine vessel is provided with a counter ...  
WO/2012/084071A1
The invention relates to an azimuthing marine vessel propulsion system which is secured in the hull and has a reversing transmission (6) located under water, the output shaft of which bears at least one propeller and the input shaft of w...  
WO/2012/079137A1
The present invention relates to a flexible propeller (7) that has the feature of generating propulsive force in only one direction, irrespective of the direction of rotation. The flexible propeller (7) may be used in a mechanism similar...  
WO/2012/074465A1
The invention relates to an operation device for marine vessels, comprising a housing (1), a propeller (2) peripherally journalled in a bearing (11), said bearing being fixedly arranged in said housing, and a driving device (4) for rotat...  
WO/2012/070343A1
Provided is an azimuth propeller capable of reducing rudder angle during rotation and suppressing the occurrence of vibration caused by rotation, and a ship provided with the same. The present invention is provided with a rudder- shaped ...  
WO/2012/062699A1
In the case of a watercraft (1) having at least one hull (2) which has a bow (3) and a stern (4) and having a lateral jet drive (10) which can be moved from a rest position (11 or 13), in which it is arranged in the bow (3) or in the ste...  
WO/2012/052155A1
The invention relates to a ship having a drive, comprising a drive motor (1); a propeller (4); a rotor (5); a nozzle (6) which surrounds the propeller; a shaft (2) which supports the rotor and is non-rotatably connected to the propeller ...  
WO/2012/053378A1
The present invention relates to twin-propeller ship using overlapping propellers and addresses the prevention of the erosion of the rearward propeller due to tip vortex cavitation created by the forward propeller. A propulsion device fo...  
WO/2012/050441A1
A marine propeller comprises a hub, a front blade (4) and a further blade (6). The hub defines a rotational axis for the propeller and is rotatable in a main rotation direction. The front blade and the further blade comprise a pressure s...  
WO/2012/049163A1
The invention relates to a drive device for a watercraft, said device being divided into a first part (1), which is connected in a rotationally fixed manner to the watercraft, and a second part (2) which can be pivoted in azimuthing mann...  
WO/2012/047753A2
The main propulsion and drive system of a merchant vessel such as a freighter or tank vessel, or a military vessel is supplemented by an auxiliary propulsion and drive system that includes at least one, but preferably a pair of auxiliary...  
WO/2012/044226A1
Propulsion device for boats or device or energy production comprising: a first track (6a) a second track (6b); driving wheels (3a-d) each having a peripheral surface (4) comprising a friction device (5) rotatably arranged in at least one...  
WO/2012/038305A1
A mount (30) for a boat propulsion unit comprises a collar (32) for mounting around an aperture in a boat's hull, the collar having an annular groove (34) on an inner surface thereof; a first mating part (38) for mounting an inboard port...  
WO/2012/035948A1
The present invention addresses the problem of preventing vibrations of an entire azimuth propeller equipped with a rudder when the azimuth propeller takes a large rudder angle. To this end, the azimuth propeller (1A) is adapted to mecha...  
WO/2012/035966A1
Provided is an azimuth thruster that can maintain favorable tooth bearing of an in-pod bevel gear unit that is lubricated by means of dipping and wherein easy observation and confirmation of tooth bearing state is possible. The azimuth t...  
WO/2012/035913A1
Provided is a marine propulsion apparatus in which an increase in the size of gear shapes and an increase in propulsion resistance can be minimized and a propulsion apparatus having greater output can be obtained. An azimuth propulsion d...  
WO/2012/035914A1
Provided is a marine propulsion apparatus which effectively uses surplus power to reduce operating costs and allows components to be arranged more freely within a ship body. The marine propulsion apparatus (1A) is provided with a drive p...  
WO/2012/031740A1
The present invention relates to a drive (2), in particular for a watercraft (22), having at least one energy apparatus (4), in particular an internal combustion engine or electrical machine, which can be driven as a motor or generator, ...  
WO/2011/138298A3
The invention relates to a method for modernization of a direct-current propulsion drive (1) which comprises a propulsion system (2) having at least one direct-current generator (5) and at least one direct-current motor (6) for driving a...  
WO/2011/139732A3
A system and method protect a thruster assembly disposed with a pontoon of a semi- submersible drilling vessel during dry tow transport. A cover may be positioned over the thruster assembly and secured with the pontoon. A thruster cover ...  
WO/2010/151659A9
A pod drive installation (10) and hull configurations for mounting a pod drive unit (12) to a hull which includes a horizontally disposed pod drive platform (24) for supporting a rotational pod drive mount (22) for mounting the pod drive...  
WO/2012/014989A1
[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...  
WO/2012/007709A1
A pair of handed contra rotating propellers (5) on a concentric shaft has a mechanism (4) for reversing the rotation of the rear propeller so that the propellers rotate together at low speed, baffles (6) interrupt the flow from the prope...  
WO/2012/006333A1
The instant invention describes an anti-biofouling structure for placement onto structures or surfaces that are exposed to aquatic environments. Embedded within the anti-biofouling structure are agents that can diffuse out of the structu...  
WO/2011/031158A3
A vessel with a retractable thruster assembly, the vessel comprising a hull, a vertical thruster well (20) within the hull, said thruster well having a bottom opening in a bottom plane of the hull. The vessel further comprises a retracta...  
WO/2011/162711A1
A method of dismounting a pod housing (2) from a seating (6) provided in the marine vessel or installing said pod housing (2) in said seating (6), comprising the steps of: a) providing a first pair of lifting points (7), one on each side...  
WO/2010/149429A3
In a ship (1) having a first propeller (5) and a second propeller (6), which are arranged one behind the other in the direction of travel (4) of the ship (3), an electric motor (15) for driving the first propeller (5) and a drive unit (8...  
WO/2011/144239A1
The invention relates to a rotational energy recovery appendage at a propeller hub for recovering rotational energy of a propeller of a vessel, which comprises a main body mounted flush with said propeller hub, at least one strut support...  
WO/2011/142523A1
The present invention relates to a propulsion apparatus for a marine vessel and to a marine vessel comprising same. The propulsion apparatus for a marine vessel according to one embodiment of the present invention comprises: a tunnel uni...  
WO/2011/139732A2
A system and method protect a thruster assembly disposed with a pontoon of a semi- submersible drilling vessel during dry tow transport. A cover may be positioned over the thruster assembly and secured with the pontoon. A thruster cover ...  
WO/2011/138298A2
The invention relates to a method for modernization of a direct-current propulsion drive (1) which comprises a propulsion system (2) having at least one direct-current generator (5) and at least one direct-current motor (6) for driving a...  
WO/2011/127987A1
A method for maintenance of a unit which is arranged in a watertight hoisting chamber and closes an opening in a vessel hull is described. The unit is adapted to extend into the water below the vessel. The method includes clamping of the...  
WO/2011/101489A4
In order to achieve a connection between a nozzle shaft (20) and a nozzle ring (10) that has the simplest design possible, while at the same time being stable, in a propeller nozzle (100) for a watercraft which comprises a fixed propelle...  
WO/2011/125365A1
Provided is a ship encountering less frictional resistance. The ship blows air into the water to reduce the frictional resistance between the hull of the ship and the water and prevents bubbles from being entrained in a propeller (16) of...  
WO/2011/100631A3
Disclosed herein is a trimmable pod drive assembly (101) that includes a pod drive (102) unit having a transmission assembly (104) secured to a steering unit (106), a gear case assembly coupled to and rotatable by the steering unit about...  

Matches 351 - 400 out of 4,972