Industrial Consultancy & Sponsored Research (IC&SR) , IIT Madras
A Rear Underrun Protection Assembly of a Vehicle and a Vehicle thereof
Technology Category/Market
Technology: A Rear Underrun Protection Assembly of a Vehicle and a Vehicle Thereof
Category: Automobile & Transportation
Industry: Automotive
Application: Safety Mechanism for Heavy vehicles
Market: The global market size is estimated to be USD 82.80 Billion in 2017 and is projected to grow to USD 169.46 Billion by 2025, at a CAGR of 9.36%
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Problem Statement
- Heavy vehicles with high ground clearance pose a significant risk to road traffic safety, as they may jam during rear collisions, potentially causing catastrophic injuries to the smaller vehicle’s driver and passengers.
- Rear underrun protection devices (RUPD) protect vehicles from rear collisions, but small vehicle pillars can break during impact, posing a serious threat to drivers and passengers.
- Conventional RUPDs fail to reduce impact/forces, causing collisions between heavy vehicles and smaller ones, posing a risk to passenger safety.
- The disclosure aims to address any limitations or issues linked to conventional mechanisms.
Technology
- The RUP assembly includes a displacement mechanism connected to the vehicle’s chassis.
- The mechanism includes a housing, damping member, and plunger, mounted in the vehicle’s lengthwise direction.
- The housing accommodates a shock-absorbing material and has a linkage mechanism that pivots the RUP relative to the chassis and displaces the plunger to absorb shock.
- The RUP also includes a resilient member and a height adjustment mechanism that adjusts the RUP’s height relative to the chassis.
- The mechanism is operable by a handle connected to the chassis.
Key Features/Value Proposition
Displacement Mechanism Overview
- Housing
- Damping member
- P plunger
Housing Design for Damping Member
- Engages and deforms damping member.
- Connects rear underrun protection member to chassis.
- Accommodates shock-absorbing material
Linkage Mechanism in Cars
- P pivots rear underrun protection member.
- Displaces plunger for shock absorption.
Resilient Member Connection
- Connected to first link end.
- Part of plunger
Height Adjustment Mechanism
- Coupled to first link.
- Adjusts rear underrun protection member’s height.
- Relative to chassis.
Resilient Member in Plunger Assembly
- Restrictes plunger displacement to predetermined tension.
- Connects to chassis on both sides.
Questions about this Technology?
Contact for Licensing
Research Lab
Prof. Jayaganthan
Department of Eng Design
Intellectual Property
IITM IDF Ref. 2590
Patent No: IN 548892
Technology Readiness Level
TRL- 2
Technology concept formulated