A comprehensive mathematical theory and optimized design of a high-frequency electro-pneumatic variable valve actuator for a camless IC engine

AK Satalagaon, A Guha… - Proceedings of the …, 2024 - journals.sagepub.com
This paper discusses the development of a detailed mathematical theory and its use for the
design of an electronically controlled, double-acting Variable Valve Actuation (VVA) …

Multi-body dynamics modeling and energy consumption optimization of electromagnetic mechanical fully variable valve system

E Zhang, F He, Y Lu, X Yang - Proceedings of the Institution …, 2024 - journals.sagepub.com
Electromagnetic Mechanical Variable Valve Actuation (EMVVA) technology has the
capability to improve engine performance and decrease pollutant emissions. A new type of …

Kinematics analysis and design method of a new mechanical CVVL system with self-regulation of the valve timing

X jie Zhou, Z Chen, P Zou, J ping Liu, X bo Duan… - … and Machine Theory, 2020 - Elsevier
In the present study, the position of the camshaft pivot center is controlled to achieve
continuous variable valve events. An innovative mechanical continuous variable valve lift …

[图书][B] Comparison of Variable Cam Profiles in Mechanically Actuated Digital Fluid Power Systems

K Pate, I Azzam, J Lumkes, F Breidi - 2023 - publications.rwth-aachen.de
Valves implemented on digital piston pump/motors are typically electrically actuated,
requiring the addition of electronic components, data acquisition systems, control systems …

Studies on the dynamics the valve train with machined valve springs

K Siczek, K Siczek - Combustion Engines, 2017 - yadda.icm.edu.pl
An analysis of the literature for currently used solutions of valve trains in internal combustion
engines and analytical studies on the dynamics the valve train of the internal combustion …

Geometric Constraints at the Valve Actuation Mechanism with Spherical Contact between the Lever and the Head of the Valve

ND Stanescu, I Dragomir, N Pandrea, A Clenci, D Popa - 2016 - 193.254.231.99
In our paper we establish the geometric relations that have to hold true due to the spherical
contact between different geometric elements of a valve actuation mechanism. Using these …