发明名称 |
Method and apparatus for improved flow rate measurement and calibration |
摘要 |
A method and apparatus for precise measurement and calibration of gas flow rates is described. The apparatus and method employ precision-bored cylinders adapted for operation with ultrasonic transducers under the control of computer subroutines for accomplishing the desired methods.
|
申请公布号 |
US5526674(A) |
申请公布日期 |
1996.06.18 |
申请号 |
US19940324377 |
申请日期 |
1994.10.17 |
申请人 |
SIERRA INSTRUMENTS, INC. |
发明人 |
KORPI, DAVID M. |
分类号 |
G01F25/00;G01S15/88;(IPC1-7):G01F25/00 |
主分类号 |
G01F25/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|