|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||73/405 ; R ; 73/492 ; 364/509 ; 364/564|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 0|
An apparatus and method for employing the apparatus in testing underground fluid containing lines for leaks. The apparatus comprises (a) a differential pressure transducer mounted to a reservoir for indicating volumetric change in the reservoir; (b) a temperature transducer mounted in the reservoir for monitoring temperature fluctuation in the reservoir; (c) a gauge pressure transducer mounted in the reservoir; (d) a remote temperature sensor and a data acquisition and processing system. The method for employing the apparatus comprises of connecting the ...
An apparatus for analyzing signals representing the pressure in an isolated liquid fluid containing line to test for the presence of a leak in the line, comprising: means for measuring the temperature of the liquid in the liquid fluid containing line before and after the testing and for transmitting a signal representative thereof; means for measuring the temperature and pressure of the liquid in a test reservoir in fluid communication with the liquid fluid containing line and for transmitting a signal representative of the measured temperatures and the ...