A canned motor device includes a casing, a rear cover and a leak detector. The rear cover has a main body portion having a cover end wall, and an extended disk portion cooperating with the main body portion to define an accommodating space. The casing and the rear cover cooperatively define an annular groove, a liquid-receiving space and a plurality of guiding grooves therebetween. The leak detector is disposed on one side of the cover end wall opposite to the liquid-receiving space for detecting a change in electrostatic capacity between the leak detector and the liquid-receiving space. The annular groove communicates with the liquid-receiving space, the accommodating space and each of the guiding grooves.

A canned motor device includes a base, a fixed seat, a motor unit and a motor cover. Each of the base and the fixed seat is formed in a shape of a hollow cylinder that surrounds an axis. The base has an inner base surface surrounding the axis and defining an accommodating space. The fixed seat is disposed in the accommodating space and has an inner seat surface, an outer seat surface, a plurality of recesses and a plurality of first heat-dissipating fins. The recesses are indented from the outer seat surface and extend toward the inner seat surface. Each of the first heat-dissipating fins is located between two adjacent ones of the recesses.

A canned motor device includes a base, a fixed seat, a motor unit and a motor cover. Each of the base and the fixed seat is formed in a shape of a hollow cylinder that surrounds an axis. The base has an inner base surface surrounding the axis and defining an accommodating space. The fixed seat is disposed in the accommodating space and has an inner seat surface, an outer seat surface, a plurality of recesses and a plurality of first heat-dissipating fins. The recesses are indented from the outer seat surface and extend toward the inner seat surface. Each of the first heat-dissipating fins is located between two adjacent ones of the recesses.

A magnetically-coupled torque assist apparatus includes a movable (rotor) magnet configured to rotate about a rotor magnet axis extending through the rotor magnet, and a stationary (stator) magnet. The rotor magnet and the stator magnet have a gap therebetween. There is an equilibrium state position (ESP) of the rotor magnet where forces acting on the rotor magnet are balanced such that the rotor magnet is stationary about the rotor magnet axis. And when the rotor magnet is rotated from the equilibrium state position (ESP) to an elastically stressed state position (SSP), magnetic fields of the rotor magnet and the stator magnet generate a resultant magnetic force on the movable magnet that biases the movable magnet towards the equilibrium state position. In some embodiments, the stator and rotor magnets are configured to create a Halbach-effect magnetic field bloom, which contributes to the magnetic forces.

A system includes an emergency response vehicle transitionable between a motive state and a non-motive state and a tool. The tool includes an identifier and is configured to be removably secured to the emergency response vehicle. The system further includes a scanner coupled to the emergency response vehicle and operable to identify the identifier when the tool is secured to the emergency response vehicle. A control module is communicatively coupled to the scanner and includes a processor and a memory storing instructions which cause the processor to determine that the emergency response vehicle has transitioned between the motive state and the non-motive state, and, in response to determining that the emergency response vehicle has transitioned between the motive state and the non-motive state, cause the scanner to scan the emergency response vehicle for the identifier to determine whether the tool is secured to the emergency response vehicle.

A system includes an emergency response vehicle transitionable between a motive state and a non-motive state and a tool. The tool includes an identifier and is configured to be removably secured to the emergency response vehicle. The system further includes a scanner coupled to the emergency response vehicle and operable to identify the identifier when the tool is secured to the emergency response vehicle. A control module is communicatively coupled to the scanner and includes a processor and a memory storing instructions which cause the processor to determine that the emergency response vehicle has transitioned between the motive state and the non-motive state, and, in response to determining that the emergency response vehicle has transitioned between the motive state and the non-motive state, cause the scanner to scan the emergency response vehicle for the identifier to determine whether the tool is secured to the emergency response vehicle.

An electric motor housing with cooling includes: a housing, the housing having a round cross-section, an outer shell, a terminating wall and an inner shell, the housing being formed as a one-piece lightweight metal cast component. A cooling gap is formed between the outer shell and the inner shell and a spiral-shaped element is arranged in the cooling gap. The spiral-shaped element includes a spiral-shaped cooling channel which runs between the windings of the spiral-shaped element.

A pulse inverter for operating an electric machine of a motor vehicle from a motor vehicle battery, including a housing for delimiting an interior, a power electronics system, provided in the interior of the housing, for converting direct current to alternating current, a first cooling circuit configured to dissipate heat from an outer side of the housing facing away from the power electronics system, and a second cooling circuit, which is separated from the first cooling circuit and communicates with the interior of the housing, configured to directly liquid-cool the power electronics system with an electrically insulating fluid. (FIG. 1)

A pulse inverter for operating an electric machine of a motor vehicle from a motor vehicle battery, including a housing for delimiting an interior, a power electronics system, provided in the interior of the housing, for converting direct current to alternating current, a first cooling circuit configured to dissipate heat from an outer side of the housing facing away from the power electronics system, and a second cooling circuit, which is separated from the first cooling circuit and communicates with the interior of the housing, configured to directly liquid-cool the power electronics system with an electrically insulating fluid. (FIG. 1)

The disclosure provides an adapter assembly of a generator and an axle-end generator assembly. An adapter assembly includes a first part configured to mount to a wagon bogie and a second part connecting to the first part. The first part and the second part are configured to form a base for mounting a stator of a generator together.