New designs of variable stiffness couplings

• Autorzy: Kaššay Peter , Urbanský Matej

Identyfikatory

DOI

10.20858/sjsutst.2022.117.6

• Języki publikacji: EN

Abstrakty

EN

Flexible couplings are widely used in mechanical drives of transport and other machines. A fundamental function of flexible shaft couplings regarding torsional vibration is the optimum tuning of torsional oscillating mechanical systems. At the authors’ workplace, the focus is on the research and design of pneumatic couplings, where the torque is transmitted mainly by compressed gas (air) in their pneumatic flexible elements. The primary advantage of these couplings is that their mechanical properties can be quickly and effectively adjusted, especially the dynamic torsional stiffness, by air pressure change directly while the mechanical system is running. This allows us “to tune” the properties of the pneumatic coupling according to the current parameters of the machine drive to avoid resonance and minimize torsional vibration. Therefore, we tend to refer to them as “pneumatic tuners of torsional vibration”. This paper aims to present two new types of these “pneumatic tuners” that were recently granted patent protections, namely “Pneumatic flexible shaft coupling with hose flexible element” and “Drum pneumatic flexible shaft coupling”. Because these pneumatic tuners are not in practical use yet, this paper describes only their design and supposed benefits.

Słowa kluczowe

EN

variable stiffness couplings; pneumatic torsional vibration tuner; design; patents; properties

PL

sprzęgła o zmiennej sztywności; tuner pneumatyczny drgań skrętnych; projekt; patenty; właściwości

• Wydawca: Wydawnictwo Politechniki Śląskiej
• Czasopismo: Zeszyty Naukowe. Transport / Politechnika Śląska
• Rocznik: 2022
• Tom: z. 117
• Strony: 91--101
• Opis fizyczny: Bibliogr. 29 poz.

Twórcy

autor

Kaššay Peter

• Faculty of Mechanical Engineering, Department of Construction and Transport Engineering, Technical University of Košice, Letná 9 Street, 042 00 Košice, Slovakia

• https://orcid.org/0000-0003-0405-6266

autor

Urbanský Matej

• Faculty of Mechanical Engineering, Department of Construction and Transport Engineering, Technical University of Košice, Letná 9 Street, 042 00 Košice, Slovakia

• https://orcid.org/0000-0001-7329-6891

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).