TNPSC Thervupettagam
April 6 , 2020 1490 days 749 0
  • It is a low-cost energy efficient ventilator made by the Rail Coach Factory, Kapurthala in Punjab. 
  • The cost of the machine is fraction of what the original designs cost.
  • The ventilator consists of an air container which is considered as the heart of the device.
  • The machine is completely silent. 
  • It does not use link mechanism, servo motor or piston mechanism. 
  • The design is microprocessor based and was designed by India’s leading team that produces German-design linke Hoffman coaches. 

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