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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0879895 (1992-05-08) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 34 인용 특허 : 0 |
A high speed high-performance valve member has a spool that is movable within a cylindrical cavity of a valve body or sleeve. The spool and sleeve are both formed of hardened stainless steel, but the bearing surfaces and lands of the spool are provided with a deposition layer of titanium nitride to
A high speed hydraulic valve comprising a sleeve member and a spool member slidably mounted within the sleeve member; the sleeve member including a cylindrical cavity having a cylindrical surface and a plurality of ports permitting flow of fluid into and out of said cavity, said sleeve member being
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