According to one implementation, a propulsion system includes a rotor, a motor and an anti-icing mechanism. The rotor has blades. The motor rotates the rotor. The anti-icing mechanism deices the blades using heat generated by driving of the motor. Further, according to one implementation, an aircraft includes the above-mentioned propulsion system. Further, according to one implementation, an anti-icing method of a rotor having blades includes deicing the blades using heat generated by driving of a motor for rotating the rotor.

An electric motor (1) is provided, preferably an internal rotor motor, having a housing (3) which is enclosed on all sides, except for a bushing for a drive shaft (2). A stator (5) is arranged in the housing, and is connected to a wall (3a) of the housing (3) in a thermally-conductive manner, wherein, externally to the wall (3a), a plurality of projections (6) are provided, which are oriented essentially parallel to the drive shaft (2), and wherein, externally to the housing (3), a fan wheel (8) is arranged on the drive shaft (2), the vanes (8a) of which, upon a rotation of the drive shaft (2), considered longitudinally to said drive shaft (2), pass over at least one region, in which region the projections (6) are arranged, such that a cooling air stream (KLS) is generated along the projections (6).

An electric motor may include a stator assembly comprising a stator housing, and one or more rotors coupled to the stator by a rotor shaft assembly. The stator housing may include a cooling structure that has a plurality of cooling body portions and a plurality of cooling conduits defined by the plurality of cooling body portions. A method of forming a stator housing for an electric machine may include additively manufacturing a stator housing that includes a cooling structure defining a fluid domain, coupling a working fluid source to the stator housing and introducing a working fluid into the fluid domain defined by the cooling structure, and sealing the cooling structure with the working fluid contained within the fluid domain of the cooling structure. A method of cooling an electric machine may include heating the working fluid in the fluid domain and flowing the working fluid through the fluid domain, and transferring heat from the cooling structure to a cooling fluid flowing along one or more cooling surfaces contacting a surface of the electric machine.

A coated article for an electro-mechanical which includes conductors carrying current therewithin, at least one heat convection enabling component disposed in an operable connection with one or more of the conductors, and a coating applied at least partially on the conductors and/or the at least one heat convection enabling component. The coating is a Graphene coating increasing current carrying capacity of the conductors and enhancing operational efficiency of the electro-mechanical device.

A stator assembly includes a stator core including teeth, which are formed along an inner circumferential surface of the stator core, extend from one surface of the stator core to an opposite surface of the stator core, and have through holes formed through one surfaces of the teeth, respectively, a plurality of hairpins, each hairpin coupled to and connected with a slot formed between the teeth facing each other and forming form a coil winding, and a heat radiating device including a first heat radiating member provided at one side of the one surface of the stator core to discharge heat of the hairpin to an outside, such that the hairpin is cooled.

A motor device with a coil heat dissipation structure is provided. The motor device includes a motor, a plurality of coils, and a plurality of thermal conduction glues. The motor includes a rotor and a stator. The stator is disposed at an outer periphery of the rotor. The stator includes an iron core assembly. The iron core assembly includes a plurality of winding portions. Each of the winding portions is provided with two winding grooves at two sides thereof. The coils wind around and cover the winding grooves of the winding portions. The thermal conduction glues are covered on an outer periphery of the coils, and the thermal conduction glues are filled in a plurality of gaps between the coils and the winding grooves.

The presented agricultural invention and apparatus here shown and disclosed was developed for peoples in undeveloped countries, peoples affected by the changing climates to reduce water usage and reduce electricity usage, bringing more water retention in the soils used for growing food all year round, for heating and cooling purposes of food and peoples living areas. The invention presented here is an apparatus used with a generation of electricity apparatus that utilizes a plurality of solar photo voltaic panels in a rack mounting structure utilizing various apparatus for increasing water irrigation, reduce water usages, and reduce electricity usage costs and supply at a specific spatial point area. The invention was developed to help people in rural un developed areas as well as cities and industrial growing areas. Also included is an autonomous Virtual Currency related split payments apparatus for a mining aspect of rewarded distributions to poverty, animal, wildlife and environment beneficiaries.

A power assembly includes a power component and a shell. The shell includes an accommodating structure, a flow diversion structure, a liquid storage structure, a heat dissipation structure, and a heat exchange structure. The accommodating structure is filled with cooling liquid. The flow diversion structure is configured to guide a flow direction of the cooling liquid. The liquid storage structure is configured to store the cooling liquid that is guided by the flow diversion structure to enter the liquid storage structure, and to distribute the cooling liquid that enters the liquid storage structure. The heat dissipation structure is configured to receive the cooling liquid distributed by the liquid storage structure, and to transfer the cooling liquid to the power component to cool the power component. The heat exchange structure is configured to perform heat exchange and cooling on the cooling liquid in the accommodating structure.

An object of the present invention is to provide an inverter integrated motor that can effectively cool a power module of an inverter portion. An inverter portion 120 is connected to a motor portion and includes a power module 121 that converts a DC power into an AC power, a first flow path forming body 221a that is provided between a motor and the power module 121 and forms a first flow path 221, and a second flow path forming body 222a that is disposed on a side opposite a side of the first flow path forming body 221a (side of the motor 110) over the power module 121 and forms a second flow path 222. The first flow path forming body 221a and second flow path forming body 222a are formed so that a flow rate of a refrigerant F1 flowing in the first flow path forming body 221a is greater than a flow rate of a refrigerant F2 flowing in the second flow path forming body 222a.

A squirrel cage rotor for an asynchronous machine includes a magnetically conductive main body which is mounted for rotation about an axis and includes electric conductors in substantially axially extending slots. The electric conductors are electrically contacted by short-circuit rings which are located on end faces of the magnetic main body and configured as a thermosiphon.