A comparison of the full and half toroidal continuously variable transmissions in terms of dynamics of ratio variation and efficiency

F Verbelen, S Derammelaere, P Sergeant… - … and Machine Theory, 2018 - Elsevier
The full and half toroidal CVT have been the subject for many research papers. The
efficiency and behavior in steady state of both topologies has already been discussed in …

NuVinci drive: Modeling and performance analysis

M Tomaselli, F Bottiglione, P Lino, G Carbone - Mechanism and Machine …, 2020 - Elsevier
The continuous search for more efficient drives, recently motivated also by environmental
issues and innovative electro-mechanical applications, has led to a renovated interest in …

Asymmetric loading multi-roller planetary traction drive: Modeling and performance analysis

Y Jiang, G Wang, Q Luo, S Zou - Mechanism and Machine Theory, 2022 - Elsevier
The development of high-speed motors has stimulated the demand for high-speed reducers.
Aiming at the lack of high-speed reducer and the NVH problem of high-speed gear …

Efficiency of a CVT-operated EVT experimentally evaluated against half-toroidal and push-belt CVTs

J Druant, H Vansompel, F De Belie… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper describes how an electrical variable transmission (EVT) can be used as an
alternative for mechanical continuously variable transmission (CVT) systems. An EVT is an …

Benchmarking the permanent magnet electrical variable transmission against the half toroidal continuously variable transmission

F Verbelen, J Druant, S Derammelaere… - … and Machine Theory, 2017 - Elsevier
In most applications where a variable transmission is required, either an EVT or a CVT
would be viable options. In order to obtain a justified decision between both variable …

[PDF][PDF] Half/full toroidal, single/double roller, CVT based transmission for a super-turbo-charger

A Boretti - Proc. Eng. Technol. Innov, 2019 - core.ac.uk
Turbocharging dramatically improves the power density of internal combustion engines.
However, when the energy to turbine is either smaller or larger than what is needed by the …

A Novel Continuously Variable Transmission with Circumferentially Arranged Disks (CAD CVT)

M Bilal, Q Zhu, SR Qureshi, A Elahi, MK Nadeem… - Actuators, 2024 - mdpi.com
This paper presents a novel Continuous Variable Transmission (CVT) design. CVT is highly
beneficial for actuators with rotary output as it can improve the energy efficiency of the …

Rehabilitation robot joint performance evaluation of a zero-spin traction drive with non-Newtonian fluid considered

Z Shuaidong, X Guanghui… - Advances in …, 2024 - journals.sagepub.com
In this study, a zero-spin cone-roller traction drive (CRTD) is presented for the joints
transmission system in rehabilitation robots due to its high transmission performance and …

Performance evaluation of ball CVT and comparison with half toroidal CVT

A Afrabandpey, H Ghariblu - International Journal of Automotive …, 2018 - Springer
This study aims at finding an analytical model of ball continuously variable transmission (B-
CVT) behavior and performance, based on the existing model of the half-toroidal traction …

A zero-spin design methodology for transmission components generatrix in traction drive continuously variable transmissions

Q Li, M Liao, S Wang - Journal of Mechanical …, 2018 - asmedigitalcollection.asme.org
With the advantages of high torque and low noise, traction drive continuously variable
transmissions (TDCVTs) have a promising application in future vehicles. However, their …