A power converting apparatus that may increase a generation efficiency by receiving a power from a power source, producing electricity by rotating an output shaft connected to a generator using a portion of the received power, accumulating a remaining portion of the received power in an energy storage device, and rotating the output shaft using the accumulated energy when a power is not transmitted from the power source, the power source that floats in the ocean, performs irregular motions in vertical and horizontal directions by waves within a predetermined range, and generates an intermittent linear power, is provided.

A rotation device according to an embodiment includes a first gear, a second gear, and an energizing part. The first gear includes a toothless part and is connected with a rotation driving source. The toothless part is obtained by cutting a part of continuous teeth of the first gear. The second gear is arranged to be able to be engaged with the first gear and is rotated, when engaged with the first gear, in a predetermined direction by a rotation of the rotation driving source in one direction. The energizing part energizes the second gear in a direction reverse to the predetermined direction when the second gear is in a free state in which an engagement of the second gear with the first gear is released by the toothless part.

A rotation device according to an embodiment includes a first gear, a second gear, and an energizing part. The first gear includes a toothless part and is connected with a rotation driving source. The toothless part is obtained by cutting a part of continuous teeth of the first gear. The second gear is arranged to be able to be engaged with the first gear and is rotated, when engaged with the first gear, in a predetermined direction by a rotation of the rotation driving source in one direction. The energizing part energizes the second gear in a direction reverse to the predetermined direction when the second gear is in a free state in which an engagement of the second gear with the first gear is released by the toothless part.

Rotational inerters are described herein that can provide torque applications in response to a rotation component. The inerter can include a first shaft having a first longitudinal axis and a second shaft having a second longitudinal axis. A first gear can be connected with the first shaft and a second gear can be connected with the second shaft. The first and second gears can be in meshing engagement with one another. In some arrangements, the first gear can be a worm gear and the second gear can be a worm. A flywheel can be connected with the second shaft. Rotation of the first shaft can cause the second shaft to rotate. Arrangements described herein can cause a torque to be applied at the first shaft that is proportional to a rate of change of the angular velocity of the first shaft about the first longitudinal axis.

Rotational inerters are described herein that can provide torque applications in response to a rotation component. The inerter can include a first shaft having a first longitudinal axis and a second shaft having a second longitudinal axis. A first gear can be connected with the first shaft and a second gear can be connected with the second shaft. The first and second gears can be in meshing engagement with one another. In some arrangements, the first gear can be a worm gear and the second gear can be a worm. A flywheel can be connected with the second shaft. Rotation of the first shaft can cause the second shaft to rotate. Arrangements described herein can cause a torque to be applied at the first shaft that is proportional to a rate of change of the angular velocity of the first shaft about the first longitudinal axis.

An inertia flywheel assembly and a system thereof are disclosed. The system includes a driving device, an inertia flywheel assembly, a transmission member, a flywheel monitor unit, an abort unit and at least one output device. The inertia flywheel assembly comprises a first inertia flywheel and at least one second inertia flywheel, each inertia flywheel has a flywheel body and an axle, the axle is fixed to the axis of the flywheel body, and the flywheel body could spin via the axle. The flywheel body is a streamlined body. A first transmission portion is disposed on the circumference of the flywheel body of the first inertia flywheel. A second transmission portion is disposed on the axle of each second inertia flywheel. The second transmission portion is coupled to the first transmission portion. The output device is coupled to the axle of the second inertia flywheel.

An inertia flywheel assembly and a system thereof are disclosed. The system includes a driving device, an inertia flywheel assembly, a transmission member, a flywheel monitor unit, an abort unit and at least one output device. The inertia flywheel assembly comprises a first inertia flywheel and at least one second inertia flywheel, each inertia flywheel has a flywheel body and an axle, the axle is fixed to the axis of the flywheel body, and the flywheel body could spin via the axle. The flywheel body is a streamlined body. A first transmission portion is disposed on the circumference of the flywheel body of the first inertia flywheel. A second transmission portion is disposed on the axle of each second inertia flywheel. The second transmission portion is coupled to the first transmission portion. The output device is coupled to the axle of the second inertia flywheel.

An apparatus comprising: a flywheel mounted on a flywheel shaft; a bearing arrangement on which the flywheel shaft is supported; a gearing arrangement for torque coupling the flywheel to a drive member; a sealing arrangement; and a housing for containing the flywheel, bearing and gearing arrangements, the gearing arrangement being arranged to be in torque transmitting engagement with the flywheel, via the flywheel shaft, and having an engagement means for being in torque transmitting engagement with the drive member, the sealing arrangement comprising a pair of seals, defining a cavity, and forming a hermetic seal, between the engagement means and the housing, whereby, in use, a first pressure is maintained within the housing that is lower than a second pressure outside of the housing, and the seals retain a fluid within the cavity, and maintain the fluid at an intermediate pressure between the first and the second pressure.

An apparatus comprising: a flywheel mounted on a flywheel shaft; a bearing arrangement on which the flywheel shaft is supported; a gearing arrangement for torque coupling the flywheel to a drive member; a sealing arrangement; and a housing for containing the flywheel, bearing and gearing arrangements, the gearing arrangement being arranged to be in torque transmitting engagement with the flywheel, via the flywheel shaft, and having an engagement means for being in torque transmitting engagement with the drive member, the sealing arrangement comprising a pair of seals, defining a cavity, and forming a hermetic seal, between the engagement means and the housing, whereby, in use, a first pressure is maintained within the housing that is lower than a second pressure outside of the housing, and the seals retain a fluid within the cavity, and maintain the fluid at an intermediate pressure between the first and the second pressure.

To provide a drive force transmission device that is capable of transmitting elastic energy of an elastic member to an output shaft with a simpler structure than the structure of the related art. A drive force transmission device includes a first shaft (input shaft), and a second shaft (a crankshaft, a crank disc, an intermediate shaft). A force is applied to the second shaft in a predetermined direction of rotation and in a direction opposite to the direction of rotation. The force varies in strength in association with the rotation. The first shaft is connected to the second shaft, and transmission of a drive force of the first shaft to the second shaft is enabled.