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Machine translation
1. (WO1980001941) DEVICE FOR LOCATION OF POINTS OF LOSS IN A PIPE-LINE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/001941    International Application No.:    PCT/SU1980/000030
Publication Date: 18.09.1980 International Filing Date: 27.02.1980
IPC:
F17D 5/06 (2006.01), G01M 3/24 (2006.01), G01M 3/28 (2006.01)
Applicants:
Inventors:
Priority Data:
2729653 13.03.1979 SU
Title (EN) DEVICE FOR LOCATION OF POINTS OF LOSS IN A PIPE-LINE
(FR) DISPOSITIF DE DETERMINATION DES POINTS DE FUITE DANS UN PIPE-LINE
Abstract: front page image
(EN)A device for location of the points of loss in a pressure pipe-line comprises two measuring channels. One channel consists of a converter (1) for converting mechanical oscillations into electric signals, whose output is connected with the input of an amplifier (3) whose output is connected with one of the inputs of a limiting unit (5), a limiting level control unit (7) with its output connected to another input of the limiting unit (5) whose output is connected with the input of a pulse former (9) its output being connected with the input of a variable delay unit (11). Another measuring channel consists of a converter (2) for converting mechanical oscillations into electric signals whose output is connected with one of the inputs of a limiting unit (6), a limiting level control unit (8) with its output connected to another input of the limiting unit (6), its output being connected with the input of a pulse former (10). The device comprises as well an impulse coincidence circuit (13) one of the inputs of which is connected with the output of the variable delay unit (11) and another - with the output of the pulse former (10). The output of the impulse coincidence circuit (13) is connected with the input of an impulse coincidence counter (14) whose output is connected with the input of an oscillator (15).
(FR)Un dispositif de determination des points de fuite dans un pipe-line sous pression comprend deux canaux de mesure. Un canal consiste en un convertisseur (1) pour convertir des oscillations mecaniques en signaux electriques, dont la sortie est connectee a l"entree d"un amplificateur (3) dont la sortie est connectee a l"une des entrees d"un limiteur (5), une unite de commande du niveau de limite (7) avec sa sortie connectee a une autre entree du limiteur (5) dont la sortie est connectee a l"entree d"un dispositif de formation d"impulsions (9) dont la sortie est connectee a l"entree d"une unite a temporisation variable (11). Un autre canal de mesure comprend un convertisseur (2) pour convertir des oscillations mecaniques en signaux electriques, dont la sortie est connectee a l"une des entrees d"un limiteur (6), une unite de commande du niveau de limitation (8) avec sa sortie connectee a une autre entree du limiteur (6), sa sortie etant connectee a l"entree d"un dispositif de formation d"impulsions (10). Le dispositif comprend aussi un circuit de coincidence des impulsions (13), dont l"une des entrees est connectee a la sortie de l"unite a temporisation variable (11) et une autre entree est connectee a la sortie du dispositif de formation d"impulsions (10). La sortie du circuit de coincidence d"impulsions (13) est connectee a l"entree d"un compteur de coincidence d"impulsions (14) dont la sortie est connectee a l"entree d"un oscillateur (15).
Designated States:
Publication Language: Russian (RU)
Filing Language: Russian (RU)