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Alternative TitleCompact type external controlled direct relief valve
杜林森; 孙斌; 张奇峰; 霍良青
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a hydraulic valve in the field of hydraulic transmission and control technology, and particularly to a compact type external controlled direct relief valve. The compact type external controlled direct relief valve comprises a valve body, a sealing plug, a valve core, a spring and a block; the valve body is an outer shell of the external controlled direct relief valve, and multiple connecting channels interconnected with an executing element are arranged on the valve body along the axial direction; a hole way is arranged in the valve body, the sealing plug and the block are respectively in sealing connection to both ends of the valve body; the valve core is held in the hole way, and abutted the inner wall of the hole way in the manner of sealing; the hole way between the block and the valve core is a P cavity, a T cavity is arranged on the valve core, an A cavity is arranged on the sealing plug, and three cavities are respectively corresponding to the connecting channels; the spring is arranged in the P cavity, both ends of the spring are respectively abutted to one end of each of the block and the valve core, and the other end of the valve core is abutted with the sealing plug in the manner of sealing; the valve body can be glided along the axial direction of the hole way, so that the middle between the A cavity and the T cavity can be closed or interconnected. The compact type external controlled direct relief valve is stable in performance, compact in structure, low in cost, and easy to realize, and so on.
PCT Attributes
Application Date2013-11-30
Date Available2016-08-24
Application NumberCN201310639444.5
Open (Notice) NumberCN104675781A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
杜林森,孙斌,张奇峰,等. 一种紧凑型外控直动式溢流阀[P]. 2015-06-03.
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File name: CN201310639444.5.pdf
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