Design And Analysis of Air Suspension System of Bharat Benz 914 & 917
S.Philip Jesmen1, T. Jeyapoovan2, M. Ramakrishnan3, S.C. Rajasekar4

1S. Philip Jesmen, Department of Mechanical Engineering, Hindustan Institute of Technologyand Science, Chennai (Tamil Nadu), India.
2T. Jeyapoovan, Department of Mechanical Engineering, Hindustan Institute of Technology and Science, Chennai (Tamil Nadu), India.
3M. Ramakrishnan, Centre for Simulation and Engineering Design (SIMENDES), Hindustan Institute of Technology and Science, Chennai (Tamil Nadu), India.
4S.C. Rajasekar, Rambal Limited, No.115 Edaiyankuppam Village, Thirukkazhukundram Road, Thiruporur (Tamil Nadu), India.

Manuscript received on 18 April 2019 | Revised Manuscript received on 25 April 2019 | Manuscript published on 30 April 2019 | PP: 68-73 | Volume-8 Issue-4, April 2019 | Retrieval Number: D6337048419/19©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: In response to the short comings of the leaf spring suspension, the four link suspension has evolved as the suspension of choice in recent years for large passenger vehicles that have solid drive axles. The geometric design of four link suspension allows for better control of roll centre location, anti-squat, antidrive performance and roll steer properties.The main purpose of Suspension system is to provide good ride comfort and provide good vehicle handling techniques. And the Suspension which best serves this purpose is Air-Suspensin system. This is because it provides good ride comfort in Variable load conditions. In this project a Bus having semi-elliptical leaf-spring type rear suspension is taken and is replaced by Air-Suspension to increase the Ride comfort, Vehicle braking and Handling Techniques. One type of four link type suspension called Sub frame type suspension is chosen. In this project, dimensions of the vehicle is taken manually and the design is created to fit air suspension.Then Analysis is done and then the customized model is sent for manufacturing. The Bus chosen is Bharat Benz 914 & 917. Both have similar rear suspension.
Keywords: Air suspension, Semi-elliptical leaf spring suspension, Subframe type Air suspension, Ride Comfort, Vehicle Handling.

Scope of the Article: Air Conditioning