A project has been undertaken to design, build and test internal combustion engine poppet valves made from resin transfer molded (RTM) Fiber Reinforced Composites (FRCs). For poppet-valve engines, the valve train mass and stiffness is of particular importance because valve train natural frequency and the onset of valve float and bounce typically limit the engine operating speed. This in turn limits engine power and performance. FRC poppet valves offer the potential for substantial mass reduction as well as increased component stiffness. This enables reduced power consumption by the valve train, and increased overall engine efficiency. Resin transfer molding was chosen because of potential for high-volume production and near-net shape products. Valve design details include; identification of valve operating requirements, fiber orientations, material selection, and evaluation of potential solutions using computerized structural analysis. Mold design includes; mold configuration requirements, fiber placement strategies evaluated, intermediate validation testing done and initial prototype configuration. Results include the final valve design for an exhaust valve, fiber and matrix material selection, fiber placement strategy, and mold configuration. Plans for additional validation testing are presented.
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ASME 2006 Internal Combustion Engine Division Spring Technical Conference
May 7–10, 2006
Aachen, Germany
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-4206-1
PROCEEDINGS PAPER
Design Process for Resin Transfer Molded, Fiber Reinforced Poppet Valves for Internal Combustion Engines
Richard T. Buckley,
Richard T. Buckley
Colorado State University, Fort Collins, CO
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Jason T. Miwa,
Jason T. Miwa
Colorado State University, Fort Collins, CO
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Donald Radford,
Donald Radford
Colorado State University, Fort Collins, CO
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Rudolf H. Stanglmaier
Rudolf H. Stanglmaier
Colorado State University, Fort Collins, CO
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Richard T. Buckley
Colorado State University, Fort Collins, CO
Jason T. Miwa
Colorado State University, Fort Collins, CO
Donald Radford
Colorado State University, Fort Collins, CO
Rudolf H. Stanglmaier
Colorado State University, Fort Collins, CO
Paper No:
ICES2006-1319, pp. 525-538; 14 pages
Published Online:
September 10, 2008
Citation
Buckley, RT, Miwa, JT, Radford, D, & Stanglmaier, RH. "Design Process for Resin Transfer Molded, Fiber Reinforced Poppet Valves for Internal Combustion Engines." Proceedings of the ASME 2006 Internal Combustion Engine Division Spring Technical Conference. ASME 2006 Internal Combustion Engine Division Spring Technical Conference (ICES2006). Aachen, Germany. May 7–10, 2006. pp. 525-538. ASME. https://doi.org/10.1115/ICES2006-1319
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