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 | 否 |
| 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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