中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
气压定值器

文献类型:专利

作者张世祥; 王继善
发表日期1996-04-10
专利国别中国
专利号CN2224413Y
专利类型实用新型
产权排序1
权利人中国科学院沈阳自动化研究所
其他题名Gas-pressure defining device
中文摘要本实用新型属气动压力校验仪器,它主要用于各种压力压差传感器的静态校验。构成气室2的壳体内腔中下部设置下口与壳体内底固连的波纹管状气室1,在壳体下盖开有与气室1和气室2相通的正压气嘴和负压气嘴;波纹状气室1上口固连的小波纹管中部是带有内螺纹和外导向槽的螺母,在螺母下端装有与气室1隔离的螺帽,螺母上端旋装的螺杆尾端螺固置于限位盖之上的机械计数器。适合于现场测量信号的就地校验。
是否PCT专利
英文摘要The utility model belongs to a pneumatic pressure testing instrument, which is mainly used for the static test of various pressure differential pressure transducers. The middle lower part of the cavity of a casing composing an air chamber 2 is provided with an accordion tube shape air chamber 1 whose lower opening is fixedly connected with the inner bottom of the casing, and the lower cover of the casing is provided with a positive pressure air nozzle and a negative pressure air nozzle which are communicated with the air chamber 1 and the air chamber 2 the middle part of a small accordion tube fixedly connected with the upper opening of thecorrugated air chamber 1 is provided with a screw nut provided with an inner screw thread and an outer guide groove. The lower end of the screw nut is provided with a screw cap isolated from the air chamber 1, and the tail end of a screw rod screwed and arranged on the upper end of the screw nut is fixedly screwed with a mechanical counter positioned above a spacing cover. The utility model is suitable for the onsite test of field measurement signal.
公开日期1996-04-10
申请日期1994-12-21
语种中文
专利申请号CN94231571.5
专利代理中国科学院沈阳专利事务所
源URL[http://ir.sia.ac.cn/handle/173321/12657]  
专题沈阳自动化研究所_沈阳自动化所知识产出(2000年前)
推荐引用方式
GB/T 7714
张世祥,王继善. 气压定值器. CN2224413Y. 1996-04-10.

入库方式: OAI收割

来源:沈阳自动化研究所

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