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Development of Lightweight and Low-friction Resin Materials for Oil Pump Rotor

Article of Honda R&D Technical Review F1 Special (The third Era Activities)

Summary

The total weight of the scavenge and feed oil pump rotors fitted in Formula One V10 engines was previously more than 1 kg, leading to demands for weight savings and friction reductions. A polyethyl ethyl ketone material and a polyimide material have been used to manufacture the scavenge pump outer rotor in a two-stage injection molding process, and a polyethyl ethyl ketone extrusion material has been used to manufacture the feed pump outer rotor. This has resulted in a weight saving of 465 g and a friction reduction of 1.8 kW.

Author (organization or company)

Yu MURAI(Automobile R&D Center)、Masayuki TSUCHIYA(Automobile R&D Center)

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