摘要:
The present invention provides an air supply control system of an air lubrication type ship, comprising a turbocharger 20 which is driven by exhaust gas from a main engine 10 of the ship and which supplies pressurized air to the main engine 10, a taking-out means 52 which takes out a portion of the pressurized air from between the turbocharger 20 and the main engine 10 through a bypass, an air supply passage for supplying the taken out pressurized air to an air supply port 4 provided below a draft of the ship, motor means 51 for assisting rotation of the turbocharger 20, taking-out amount setting means 53 for setting a taking-out amount of the pressurized air by the taking-out means 52, and control means 54 which takes a load of the main engine 10 and the draft of the ship into account, and which controls the motor means 51 in accordance with setting of the taking-out amount by the taking-out amount setting means 53, it is possible to efficiently take out, from the turbocharger, pressurized air which is necessary for air lubrication even when the main engine 10 operates with low load, and even if draft pressure of the ship and a load of the main engine are varied, air lubrication can efficiently be carried out without deteriorating the operation efficiency of the main engine 10.
摘要:
Provided is a ship propulsion system such that an increase in the size of a main engine can be minimized. The ship propulsion system (1) is equipped with: main generators (10A, 10B, 10C) that supplies power to the interior of a ship; a power distribution unit (11) that distributes the power of the main generators (10A, 10B, 10C); a first electric motor (21) that rotatably drives a first rotary shaft (27) with the power input through the power distribution unit (11); a main propeller (24) that rotates along with the first rotary shaft (27); a second electric motor (15) that rotatably drives a second rotary shaft (17) with the power input through the power distribution unit (11); and a stern-side propeller (16) that is disposed on the stern side of the main propeller (24) and rotates along with the second rotary shaft (17).
摘要:
A ship (1) includes a gas turbine (14) that is driven by exhaust gas from a main engine (12) which is provided with a turbocharger (22) and drives a propulsion propeller (29); a steam turbine (18) that is driven by steam generated by the exhaust gas; ship equipment (44) that operates as a result of being supplied with power generated by a turbine generator (20); and a power-assist motor (46) that is driven as a result of being supplied with power generated by the turbine generator (20) and that assists the main engine (12). A ship propulsion device (10) drives the power-assist motor (46) using a surplus power amount that is the difference between the amount of power generated by the turbine generator (20) and the amount of power required by the ship equipment (44), and reduces the bleed exhaust gas flow of exhaust gas to the gas turbine (14) when the power consumption amount of the power-assist motor (46) arrives at a preset power amount and the amount of generated power exceeds the total of the power consumption amount and the required power amount of the ship equipment (44).
摘要:
An air supply apparatus of an air lubrication type ship of the present invention includes a turbocharger 10, taking-out means, a pressure-increasing path 41a, a bypass path 51, and path selecting means which selects the pressure-increasing path 41a and the bypass path 51, and the path selecting means selects the pressure-increasing path 41a and/or the bypass path 51 to supply the pressure-increased air and/or the pressurized air and eject the same to the surroundings of the ship's hull. Therefore, even if pressure of pressurized air supplied to the main engine 6 by the turbocharger 10 is varied by output of the main engine 6, and even if draft pressure is varied by a loaded state, pressure of the pressurized air can be increases in accordance with the variations and the pressurized air can be ejected, energy efficiency is high and an energy saving effect can be enhanced.
摘要:
A hybrid power device for a marine vehicle is provided that has two hybrid prime movers, an electric motor and a combustion engine, that distribute power, for example torque, to a single or dual propulsor, such as surface drives with propellers. The prime movers can apply power singly or in unison, but maintain substantially optimum propulsive efficiency in all cases. The power outputs of the prime movers are in communication with a power transmitting device such as a gear box that may combine the power outputs to drive a single propulsor, or may have a power-splitting embodiment driving dual propulsors. In addition, multiple hybrid power devices may be deployed in other embodiments.
摘要:
A prime mover system (100) includes a prime mover (10), an auxiliary power device (30), and a coupling gear (40). A rotational speed of the rotary member (60) of the prime mover (10) is higher than a rotational speed of a crankshaft (50), or a shaft diameter of the rotary member (60) is smaller than a shaft diameter of the crankshaft (50), or the rotational speed of the rotary member is higher than the rotational speed of the crankshaft, and the shaft diameter of the rotary member is smaller than the shaft diameter of the crankshaft. A driving power generated in the auxiliary power device (30) is transmitted to the rotary member (60) via the coupling gear (40).