Analysis of Oil Consumption Mechanism by Measuring Oil Ring Radial Movement

Paper #:
  • 892104

Published:
  • 1989-09-01
Citation:
Noda, T., Yamamoto, M., Ohmiya, Y., Kawamoto, J. et al., "Analysis of Oil Consumption Mechanism by Measuring Oil Ring Radial Movement," SAE Technical Paper 892104, 1989, https://doi.org/10.4271/892104.
Pages:
12
Abstract:
Oil consumption mechanism was analyzed by measuring the radial movement of the upper side rail in a three piece type oil ring, together with the piston movement. Ultra-miniature inductive displacement sensors were designed to measure the oil ring movement and fitted on the upper side rail with a part of the 3rd land cut out. The clearance between the side rail and the cylinder wall was measured under various operating conditions.The results showed that the radial movement of the oil ring was affected by the piston movement, which results in the possibility of degrading the oil control ability for the cylinder wall because the oil ring temporarily moves with the piston. Accordingly, the designs to improve the piston movement or to be less affected by the movement proved to be an important factor for the reduction of the oil consumption.
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