DEVICE FOR LOCATION OF LEAKS IN UNDERGROUND LINES Russian patent published in 1995 - IPC

Abstract RU 2047815 C1

FIELD: underground lines. SUBSTANCE: device is additionally provided with reference signal source connected with one of bridge compensators and frequency filter whose input is connected with electroacoustic transducer and output is connected with low-frequency amplifier. EFFECT: enhanced efficiency. 1 dwg

Similar patents RU2047815C1

Title	Year	Author	Number
DEVICE FOR LOCATING LEAKS IN UNDERGROUND PIPE-LINES	0	Dyukov Vladimir Andreevich Ryumshin Nikolaj Aleksandrovich	SU1079946A2
INTEGRATED PROCESS OF NON-METAL PIPE AND PIPE FLAW DETECTION	2005	Borozdin Andrej Nikolaevich Viglin Nikolaj Al'Fredovich Gusev Viktor Nikolaevich Kuznetsov Vadim L'Vovich Ovtsyn Vladimir Evgen'Evich Chuvaev Sergej Ivanovich	RU2328020C2
MULTIPROFILE ACOUSTIC LEAK DETECTOR AND PROCESS OF ITS TUNING	1992	Cheremenin Sergej Robertovich	RU2042123C1
PROCESS AND DEVICE OF COMMUNICATION LINE FLAW AND LOCATION SEARCH	2005	Sergeev Sergej Sergeevich	RU2327964C2
LEAK FINDER IN CONCEALED PIPELINES	0	Binevskij Vitalij Nazarovich Bolshikh Artemij Stepanovich Grechinskij Dmitrij Alekseevich Klochko Viktor Aleksandrovich Klyuev Vladimir Vladimirovich Kovalskij Vadim Nikolaevich Rygalin Viktor Georgievich Shcherbakov Vladimir Fedorovich	SU658356A1
LEAK DETECTOR	0	Avguchenko Grigorij Vasilevich	SU1013704A1
UNDERGROUND PIPELINE LEAKAGE DETECTOR	0	Pozdorovkin Gennadij Alekseevich	SU593045A1
LEAK DETECTOR	1991	Avguchenko Grigorij Vasil'Evich Nelidkin Aleksandr Mikhajlovich Kuvaev Aleksandr Aleksandrovich	RU2047039C1
RADIATION COMPLEX FOR OIL AND GAS WELLS	2002	Orentlikherman I.A. Chaplygin A.G. Maksimenkov N.A. Korol'Kov A.V.	RU2202038C2
TEMPERATURE FIELD MEASURING DEVICE	0	Lapenko Vadim Nikolaevich Dobrovolskij Leonid Iosifovich Gerasin Igor Konstantinovich Pospelov Aleksej Sergeevich Lisovets Yurij Pavlovich	SU979895A1

RU 2 047 815 C1

Authors

Viglin N.A.

Penzev V.P.

Dates

1995-11-10—Published

1992-11-05—Filed