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Fluid coupling type TV..Y

The fluid coupling type TV..Y is a constant-filled couplings that, e.g., is used in centrifugal load drives such as fans and mills. Thanks to the dynamic re-filling, the operating fluid is guided from the working circuit into the delay chamber during start up, depending on the slippage. This ensures an almost time-independent torque limitation and is thus suitable for longer start up times.

The coupling also protects the drive against overload and dampens torsional virbations. This protects your system and increases its productivity.

This fluid coupling is also available with two coaxially arranged work circuits (type DTV..Y). The parallel acting circuits double the power transmission.

We offer fluid couplings with water as the operating medium (type TWV..Y) especially for potentially explosive atmospheres or with outer casing made of spheroidal cast iron (type TUV..Y) for use in operations with relevant material requirements.

Temperature monitoring systems (MTS, BTS, BTM) increase the availability of the drive and boost the productivity of the system.

Contact

Voith Turbo GmbH & Co. KG
Hydrodynamic Couplings
Voithstr. 1
74564 Crailsheim, Germany

Sales, Technical Consulting, Quotations
Tel. +49 7951 32-409
Fax +49 7951 32-213
hydrodynamic.couplings@voith.com

Service, Spare parts, Repair
Tel. +49 7951 32-1020
Fax +49 7951 32-554
Vtcr-ait.service@voith.com

Emergency Helpline (after hours)
+49 7951 32-599

Benefits and uses

  • Load-free motor run-up
  • Soft start up with temporally extended torque limitation for longer start up times
  • Protects the drive in case of an overload
  • Dampens torsional vibration in the drive
  • Protects system components - the service life of your system increases
  • Robust and unsusceptible to environmental influences
  • Wear-free power transmission - less work in maintenance and repairs
  • Automatic load sharing in multi-motor drives protects your motor against overload
  • Sequential startup of the motors reduces the load on the supply circuit

Typical fields of use

  • Fans
  • Mills
  • Centrifuges

Specifications

The installation dimensions and performance characteristics correspond with the couplings

Technical information

Operating principle

 
Operating principle of the hydrodynamic power transmission

Hydrodynamic couplings transmit mech­anical power from the motor to the driven machine via a flow of fluid. This occurs by means of two bladed wheels positioned face to face. The primary wheel (red) is connected with the motor and acts like a rotary pump, the sec­ond­ary wheel (blue) is connected to the driven machine and acts like a turbine. Power transmission is pro­por­tional to the fill level in the working circuit. As a result of the mechanical separation of the drive and driven sides, the hydro­dynamic couplings transfer the power wear-free and dampen the torsional vibration and torque shocks in the drive chain at the same time.

Constant-filled couplings

Constant-filled couplings are self-contained drive components. The different types of constant-filled couplings are mainly differentiated by the volumetric chambers , where their automatically controlled fill and emptying have a decisive influence upon start-up behavior. The demand of the drive application determines the coupling type and capacity. Constant-filled couplings are mainly used for soft start, torque limitation and dampening the torsional vibration behavior of the drive.

Engineering 

Voith doesn't just supply couplings, we are also your engineering partner for customer-specific drive solutions:

  • Designing of complete drives
  • Dimensioning the coupling for the optimal use of your system
  • Analysis and optimization of the operating state of drives in existing systems (retrofit)
  • We can advise you about the selection of optimal start-up technologies
  • Competence in systems for all mining equipment and the bulk material industry

Filling of a Turbo Coupling


Publications

  • Proven a Million Times. Fluid Couplings with Constant Fill

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  • Hydrodynamic Couplings (Fluid Couplings): <br>Basics | Features | Benefits

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  • Innovative and Reliable Technology. Water-operated Fluid Couplings

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  • Smart Connection Technology for Voith Fluid Couplings. GPK

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  • Smart Connection Technology for Voith Fluid Couplings. GPK-XP

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  • Non-contact Temperature Measuring Device. BTM

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  • Hydrodynamics in Drive Technology

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  • EC-Directive ATEX 100a - Safe Drive Solutions with Fluid Couplings in Potentially Explosive Atmospheres

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  • Calculating torsional vibrations in drives with hydrodynamic couplings

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  • Poster: Voith Turbo Fluid Couplings for use in potentially explosive atmospheres

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Downloads

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