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Lubrication Pump Made of Rapidly Solidified Aluminum Alloy for High Performance Engine
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English
Abstract
An internal gear-type pump has advantages compared with an external involute gear-type pump, for example, higher mechanical or volumetric efficiency, considerable reduction of weight and dimension in the oil-pump system[1]. This paper presents characteristics of the internal gear type rotors with a modified trochoidal profile in the oil-pump system, and new P/M(Powder Metallurgy) aluminum alloys which satisfy required wear properties as the lubrication oil-pump rotors. Also, the advantage of high volumetric efficiency and discharge performance and excellent properties of the oil-pump rotor with a modified trochoid profile were combined with a R/S (Rapidly Solidified) aluminum alloy in the scavenging pump for racing car engine. Good results without wear or damage after an actual race are also reported.
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Authors
Citation
Kondoh, K., Kosuge, T., and Takeda, Y., "Lubrication Pump Made of Rapidly Solidified Aluminum Alloy for High Performance Engine," SAE Technical Paper 960281, 1996, https://doi.org/10.4271/960281.Also In
References
- Saegusa Y. Onoda M. Koiso T. et al Development of Oil-Pump Rotors with a Trochoidal Tooth Shape SAE Technical Paper, 840454 1984
- Takeda Y. Hayashi T. et al Process and Properties of P/M Al-Si-X Alloys J. Mater. Eng 12 311 317 1990
- Kondoh K. Takeda Y. Tribological Properties of Rapidly Solidified Al-Si-Tm Powder Forged Alloys PM' 93 Congress Technical Paper 1993