Double wishbone suspension system for in-wheel electric motor

Abstract

A double wishbone suspension system for an in-wheel electric motor, the system comprising an upper arm having a first end arranged to be pivotally coupled to an upper portion of an electric motor mounting plate and two second ends that are spaced apart with respect to each other, wherein each of the second ends of the upper arm is arranged to be coupled to a first and second suspension mounting point respectively; a lower arm having a first end arranged to be pivotally coupled to a lower portion of an electric motor mounting plate and two second ends that are spaced apart with respect to each other, wherein each of the second ends of the lower arm is arranged to be coupled to a third and fourth suspension mounting point respectively; a first coupling member having a first end pivotally coupled to the lower arm between the first end and second ends of the lower arm and a second end of the first coupling member is pivotally coupled to a first end of a second coupling element, wherein a second end of the second coupling member is arranged to be pivotally coupled to the electric motor mounting plate at a position between the first end of the upper arm and the first end of the lower arm.

Description

technical field [0001] The invention relates to a double-wishbone suspension system, in particular to a double-wishbone suspension system for an in-wheel motor. Background technique [0002] As the interest in environmentally friendly vehicles has increased, so has the interest in using electric motors to provide drive torque for electric vehicles. [0003] Electric motors work on the principle that current-carrying wires experience a force when a magnetic field is present. When a current-carrying wire is placed perpendicular to a magnetic field, the force on the current-carrying wire is proportional to the flux density of the magnetic field. Typically, in an electric motor, the force on a current-carrying wire is developed as a rotational torque. [0004] Examples of known types of motors include induction motors, brushless permanent magnet motors, switched reluctance motors and synchronous slip ring motors, which have a rotor and a stator as known to those skilled in the...

AI Technical Summary

Problems solved by technology

[0006] However, due to commonly encountered space constraints for in-wheel motors, the space available for coupling the in-wheel motors to the vehicle may be limited, which may be critical for in-wheel motors without causing deformation of the coupling mechanism between the in-wheel motors and the vehicle. The upper limit of the amount of torque that the internal motor can generate

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