Zobrazeno 1 - 10
of 314
pro vyhledávání: '"Valvetrain"'
Autor:
Leandro Ratamero
Publikováno v:
Vetor, Vol 33, Iss 1 (2023)
In an engine, the valve train is responsible for approximately 6% to 35% of the total friction losses, with the value varying with the design and operating conditions. Even a 1% improvement in the fuel economy of a vehicle model is of great economic
Externí odkaz:
https://doaj.org/article/8a2552c187a74592be6f27cf55eb6876
Publikováno v:
FME Transactions, Vol 50, Iss 2, Pp 302-312 (2022)
Type Diagnosing and detecting malfunctions in internal combustion engines (ICE) is not an easy task due to their complex design. Timely and high-quality ICE monitoring allows performance to be maintained and prevents breakdowns. Vibration and acousti
Externí odkaz:
https://doaj.org/article/ff020f2f2baa4afcbddfd754405c4820
Autor:
Schneider, Wolfgang
A new camless electrohydraulic valve train concept for combustion engines was developed at Empa (Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland) and tested on a spark ignition passenger car engine. Besides fu
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A71231
https://tud.qucosa.de/api/qucosa%3A71231/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A71231/attachment/ATT-0/
Publikováno v:
Applied Sciences, Vol 12, Iss 7, p 3393 (2022)
The valve performs an alternating translational motion along its axis of symmetry, which is accompanied by a rotation about its own axis, possibly due the valve body’s cylindrical geometry and due to the conjugate element, the guide, which is also
Externí odkaz:
https://doaj.org/article/275c060006b64567ba0e91a90a77e3c1
Autor:
Jinchi Tang, Xiongfeng Hu, Fuqiang Lai, Xiaolong Guo, Shengguan Qu, Ruiliang He, Shunshun Qin, Jianwen Li
Publikováno v:
Metals, Vol 10, Iss 2, p 179 (2020)
In this paper, the fretting wear properties of 20CrMnTi steel, a common material for a rocker bracket, was discussed for the first time after it was suffered carburizing treatment. Subsequently, the fretting wear behaviors of virgin, quenched, and ca
Externí odkaz:
https://doaj.org/article/50b37860dc1c4a628bacb5806722b516
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Publikováno v:
Journal of Mechanical Science and Technology. 35:361-370
Variable valve actuation (VVA) technologies can provide improvements in fuel economy of spark-ignition (SI) engines by shifting valve timings or generating valve profiles that can minimize pumping loss. Electro hydraulic valve (EHV) is one of VVA tec
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Autor:
Mihai Diaconu, Marek Wozniak, Krzysztof Siczek, Edward Spinache, Gustavo Ozuna, Przemyslaw Kubiak, Adrian Trandafir
Publikováno v:
Combustion Engines, Vol 179, Iss 4, Pp 4-12 (2019)
The drive from the crankshaft to the camshaft in an internal combustion engine is usually carried out by means of a cogged belt transmission or a chain transmission when high millage is required without service operations. The valvetrains in CI engin
Akademický článek
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