Wobble Plate Type Compressor NVH Reduction through Valve Plate Assembly Improvement

Paper #:
  • 960963

Published:
  • 1996-02-01
Citation:
Hashimoto, K., Matsumura, Y., Ichikawa, Y., and Shimizu, K., "Wobble Plate Type Compressor NVH Reduction through Valve Plate Assembly Improvement," SAE Technical Paper 960963, 1996, https://doi.org/10.4271/960963.
Pages:
9
Abstract:
The discharge valve impact force on the valve retainer and valve plate play a critical role on the NVH characteristics of the wobble plate compressor. Another contributing factor to compressor NVH is in-cylinder bore over-pressure. In order to improve the NVH characteristics, a reduction in the valve impact forces and in-cylinder over-pressure is essential. The focus of this paper will be a new valve plate assembly change utilizing a unique design arrangement. This new design change significantly improved compressor NVH characteristics due to reduction in the the valve impact force as well as in-cylinder over-pressure. A slight reduction in compressor cooling capacity was observed. Research efforts are continuing to overcome this reduction.
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