# US 2014/0191599 A1 · Generator having variable power generation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0191599 A1 - Document ID: US20140191599A1 - Status: Published application - Kind: A1 - Application number: 14/129,539 - Filed: 2012-05-10 - Published: 2014-07-10 - Earliest claimed: 2011-06-28 - Assignees: Philsung Co., Ltd. - Inventors: Pil-Kyou Joung; Min-Kyu Junk - Web page: https://patentgrep.com/patent/US20140191599A1 ## CPC - H02K 7/1085: {Magnetically influenced friction clutches} - H02K 1/27: Rotor cores with permanent magnets - H02K 7/12: with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking - H02K 16/00: Machines with more than one rotor or stator {(machines for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts H02K51/00; permanent magnet machines with multiple rotors or stators relatively rotated for vectorially combining the excitation fields or the armature voltages H02K21/029)} - H02K 21/24: with magnets axially facing the armatures, e.g. hub-type cycle dynamos - H02K 7/1838: {Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine} - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract The present invention is disclosed a generator having variable power generation in which a plurality of rotors are inserted into one rotating shaft, a central connecting shaft of one rotor is detachably provided to one end of a connecting shaft of another rotor, magnets respectively arranged on ends of the two connecting shafts adjacent to each other are arranged to allow surfaces thereof having the same polarity to oppose each other, thereby spacing the two rotors apart from each other through a repelling force between the magnets, and when an external pressure greater than or equal to the repelling force between the two magnets is applied in the shaft direction, the connecting shafts of the two rotors are coupled to each other to transmit a rotational force to both of the two rotors, thereby generating power and successively increasing the power generation in accordance with the external environment. ## Claims ### Claim 1 A generator having variable power generation including comprising a rotor disposed on a rotating shaft through which a rotational force is transmitted and a stator fixed to a body, the generator comprising: a generator body (10); a rotating shaft (20) rotatably installed within the generator body to receive a rotational force, thereby rotating; a shaft fixing rotor (30) including a disc-shaped rotational part (31) disposed on the rotating shaft and in which an annular magnet (33) is installed, and a tube-shaped connecting shaft (32) disposed on a center of the rotational part and having an end on which a coupling means (34) detachable by sliding is disposed; a plurality of movable rotors (40) slidably disposed on the rotating shaft, including disc-shaped rotational parts (51, 61) in which annular magnets (53, 63) are installed, and tube-shaped connecting shafts (52, 62) disposed on the center of the rotational part and having an end on which coupling means (54, 55, 64) detachable by sliding are disposed, wherein a plurality of movable rotors (40) are axially installed on the shaft fixing rotor successively by an external pressure to receive the rotational force; repelling magnets (80) installed within ends of the connecting shaft of the shaft fixing rotor and the connecting shaft of the movable rotor, respectively, the repelling magnets having facing surfaces with the same polarity to space the shaft fixing rotor apart from a plurality of movable rotors by a magnetic repelling force therebetween; and a stator (90), which is a wound coil, fixed to the body so that the stator (90) is disposed between the shaft fixing rotor and a plurality of movable rotors. ### Claim 2 (depends on 1) The generator of claim 1, wherein the coupling units (34, 54, 55, 64) disposed on one end or both ends of the connecting shafts (32, 52, 62) are constituted by gears so that corresponding ends of coupling units (34, 54, 55, 64) are engaged with each other. ### Claim 3 (depends on 1) The generator of claim 1, wherein the movable rotor (40) is constituted by a first movable rotor (50) coupled to the shaft fixing rotor and a second movable rotor (60) coupled to the first movable rotor, wherein the respective rotors (30, 50, 60) have diameters gradually increasing in an order of the shaft fixing rotor