Zobrazeno 1 - 10
of 48
pro vyhledávání: '"ION, BOSTAN"'
Publikováno v:
Designs, Vol 8, Iss 4, p 71 (2024)
In this study, we propose a new toothed gear for mechanical transmissions built from a satellite wheel with two toothed conical crowns, one of which conjugates with a fixed central conical wheel mounted in the transmission housing and the other with
Externí odkaz:
https://doaj.org/article/14c3b11bf829470e99e1277a709a4551
Publikováno v:
Journal of Engineering Science (Chişinău), Vol XXVI, Iss 1, Pp 21-40 (2019)
The article deals with the development of the 2K-H precessional toothed gear with convex-concave contact of the teeth. The teeth flanks of the satellite are described in the circular arc, and the central wheels - with convex / concave profiles. The a
Externí odkaz:
https://doaj.org/article/dec0d49fd17c42c3828e416d7e8222b9
Publikováno v:
Nonconventional Technologies Review, Vol 22, Iss 3 (2018)
The planetary precessional transmissions represent a new principled type of the mechanical transmission. Precessional planetary transmission has a number of advantages: increased bearing capacity, high mechanical efficiency, large kinematical possibi
Externí odkaz:
https://doaj.org/article/193560e7bf224727a86b40e30881e00f
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1, Iss 5, Pp 121-126 (2010)
The paper presents the modelling and simulation of precessional drives designed in two variants capable of high transmission ratio and torque for one stage compact construction. The constructions were designed in Inventor and also as multi body syste
Externí odkaz:
https://doaj.org/article/a5bb469c94b143738168f24b851f85d6
Autor:
Ion BOSTAN, Valeriu DULGHERU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 29, Iss 2 (2006)
The engineering complex study of the triad “gear-technology-transmission” has permitted to elaborate a new type of precessional transmissions with multicouple gear. In this paper, the authors present the mathematic model of the multicouple gear.
Externí odkaz:
https://doaj.org/article/f16d450ae52d424d9800c31ad588145d
Autor:
Ion BOSTAN
Publikováno v:
Akademos: Revista de Ştiinţă, Inovare, Cultură şi Artă, Vol Nr. 1, Iss 44, Pp 29-41 (2017)
This article describes, by specifi c examples, the contribution of Moldovan engineering to the development of techniques and modern technologies. An accomplishment, recognized on a global scale, is the invention of the Planetary Precessional Transmis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::37dbdf87a7f6ed405de694e31bacd72d
Publikováno v:
2019 International Conference on Electromechanical and Energy Systems (SIELMEN).
The photovoltaic greenhouses that emerged at the beginning of the century as a way of arable land preservation through the concordance between electricity generation and crop growth have shown a number of advantages for both economic branches. As sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c256a43b087502e16ff1fb4b4a3bb606
https://doi.org/10.1109/sielmen.2019.8905838
https://doi.org/10.1109/sielmen.2019.8905838
Autor:
Ion BOSTAN
Publikováno v:
Akademos: Revista de Ştiinţă, Inovare, Cultură şi Artă, Vol Nr. 4, Iss 43, Pp 33-43 (2016)
The article reflects aspects of content and appraisals of awarding the Nobel Prize 2016 in science of researchers J.-P. Sauvage, J. F. Stoddart and B. L. Feringa for ”Design and synthesis of molecular machines”. By three outstanding inventions (t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::efeeef0b9ffe81fca6d8659b973cc20d
Autor:
Ion BOSTAN
Publikováno v:
Akademos: Revista de Ştiinţă, Inovare, Cultură şi Artă, Vol Nr. 3, Iss 42, Pp 40-50 (2016)
This paper contemplates on the evolution of engineering sciences development in the Republic of Moldova in the postwar period. The author emphasizes the place and role of engineering sciences at different stages reflected in the decisions of the part
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::05bcebf997151472fa37d32941424073
Autor:
Ion BOSTAN, Ioan-Marius PISO, Viorel BOSTAN, Alexandru Badea, Nicolae SECRIERU, Gabriel Viorel MANCIU
Publikováno v:
Akademos: Revista de Ştiinţă, Inovare, Cultură şi Artă, Vol Nr. 2, Iss 41, Pp 62-68 (2016)
This article reflects the vision of authors on the prospects of international cooperation in the field of satellite technologies, which are developing rapidly with a spectacular expansion in various areas of scientific, economic and social interest.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::713c98260ecfe64904844ceff2597590