„… pressures by up to 7 bar. By adding this gap pipe between the stator and rotor the air gap is increased by …” „… Fig. 5: Illustration of Direct Stator Oil Cooling (DOSC) On the one hand, the increased air gap leads …” „… in Fig.6. Fig. 6: Design influences and trade-off between air gap and performance VDI-Berichte …”

„… features a method for simulating the excitation of the electric motor in the form of dynamic air gap …” „… amplitudes of the air gap forces over the speed and the torque of the electric motor. The method of …” „… minimisation of the forces from air gap excitation on a virtual basis. The effect of less excitation of the …”

„… between these two motors is in the shape of magnetic field distribution inside the motor air gap. This …” „… brushes reverse the current polarity in rotor winding such way that stator field created by PMs and rotor …”

„… air gap and heat conduction of the shaft where the EM sits on. First, the air gap with its extremely …” „… the rotor unit. This fact compensate the lower heat transfer from the rotor unit to the air gap and …” „… indirectly and the rotor unit is cooled by the air gap and heat conduction which is not effective. This …”

„… the air gap. This behaviour is independent of the used winding technique (round or rectangular wires …” „… clearly seen that the maximum temperature rises and the hot spot moves towards the air gap …” „… resulting component temperatures is investigated. For example, the additional winding losses due to current …”

„… observer structure, that takes the winding and ambient air temperature as an input to derive the current …” „… heat transfer in the air-gap. Both papers assume a model discretization suitable for machine simulation …” „… not account for forced convection in the air-gap, which render them unsuitable for thermal modeling of …”

„… Electronics Magazine, vol. 8, no. 2, pp. 31 42. Howey, D., P. Childs, and A. Holmes (2012). Air-Gap …” „… . Habetler (2003). An online stator winding resistance estimation technique for temperature monitoring of …” „… Conversion, vol. 20, no. 3, pp. 620 628. Stiebler,M. and Y. Plotkin (2005). Online winding temperature …”

„… Keywords: wheel hub motor – wheel hub drive – single wheel drive – direct drive – air gap winding …” „… influenced by a slotless air gap winding in radial flux arrangement. In the conceptual design phase the main …” „… the air gap. The lower the electrical air gap, the higher is the torque. The change of the air gap …”

„… novel slotless permanent magnet DC-Motor with air gap winding design. IEEE/ASME International …” „… ; Vittayaphadung, Nitipan ; Kasper, Roland : Deformation and Modes of a Wheel Hub Motor with Air Gap Winding. 11 …” „… Machines by Combining Two Different Winding Types. In: Proceedings of the 7th IFAC Symposium on …”