지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.11
- 수록면
- 51 - 56 (6page)
이용수
초록· 키워드
오류제보하기
Mechanical vacuum pump (MVP) is a device making vacuum by getting the drive from engine. The main function of vacuum pump is to evacuate the air from the brake booster tank and create vacuum in the auxiliary tank for actuating the turbo charger waste gate actuation mechanism and EGR valve.
Mechanical vacuum pump always rotates during engine running by the oldham coupling connection with engine camshaft. MVP friction torque affects engine fuel economy directly. Recently the usage of vacuum pump in the engine is increasing. According charged gasoline engine as well as charged diesel engine are increasing in number for improving engine fuel economy.
In this study, the various ideas of MVP friction reduction were proposed by experimental study of MVP design factors. And optimized design factors composition was found without negative side effect using DFSS process. The selected DFSS control factors also should be more robust factors for noise and part production variation. After measuring the friction torque reduction effects of selected design, Negative side effects were investigated. Finally Improved MVP was validated with real engine dynamometer endurance test.
Mechanical vacuum pump always rotates during engine running by the oldham coupling connection with engine camshaft. MVP friction torque affects engine fuel economy directly. Recently the usage of vacuum pump in the engine is increasing. According charged gasoline engine as well as charged diesel engine are increasing in number for improving engine fuel economy.
In this study, the various ideas of MVP friction reduction were proposed by experimental study of MVP design factors. And optimized design factors composition was found without negative side effect using DFSS process. The selected DFSS control factors also should be more robust factors for noise and part production variation. After measuring the friction torque reduction effects of selected design, Negative side effects were investigated. Finally Improved MVP was validated with real engine dynamometer endurance test.
목차
Abstract
1. 서론
2. MVP (기계식 진공 펌프) 설계 요소
3. DFSS기법을 이용한 진공펌프 설계 최적화
4. 시험 결과
5. 결론
6. References
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UCI(KEPA) : I410-ECN-0101-2015-550-002861909