Dual Function Gasket Design

Paper #:
  • 2014-36-0116

Published:
  • 2014-09-30
DOI:
  • 10.4271/2014-36-0116
Citation:
Vituri, M. and Castro, R., "Dual Function Gasket Design," SAE Technical Paper 2014-36-0116, 2014, doi:10.4271/2014-36-0116.
Pages:
7
Abstract:
Vehicular manual transmissions systems often use a vent or breather to allow pressure control inside the main structure. This pressure variation comes along with differences caused by working temperature range. However along with air flow these vents may occasionally allow oil passage noticed by vehicle owner as a transmission leakage event.The more sophisticated the more expensive is the venting device which may contain membranes, labyrinths, baffles and other solutions to avoid leakage.The purpose of this paper is to present a simplified solution to avoid transmission fluid leakage by combining a regular sealing device (fiber concept gasket) and a baffle to avoid oil splash to reach the venting device.The proposed concept took into consideration a quick implementation aspect, low financial impact and less complexity to the overall current system modifying an existing component by adding secondary function instead of creating additional components.
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