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(11)

2 408 882

(13)

(51)

IPC

G01N29/04(2006-01-01)

(21) (22)

Application

2009116003/28, 2009-04-27

(24)

Start date

2009-04-27

(22)

Actual filing date

2009-04-27

(45)

Published

2011-01-10

(72)

Inventor

Kirikov Andrej Vasil'EvichBritvin Vladimir AleksandrovichGrigor'Ev Gennadij Mikhajlovich

(73)

Holder

Kirikov Andrej Vasil'EvichBritvin Vladimir AleksandrovichGrigor'Ev Gennadij Mikhajlovich

ELECTROMAGNETIC-ACOUSTIC TRANSDUCER Russian patent published in 2011 - IPC G01N29/04

Abstract RU 2408882 C1

FIELD: physics.

SUBSTANCE: electromagnetic-acoustic transducer has a housing, magnetic system, a substrate and an inductance coil. There is groove around the substrate into which an elastic sealing ring is fit, where said ring is made from rubber or polyurethane, for example, which projects from the surface of the substrate by a value equal to the given manufacturing clearance between the control object and the substrate of the electromagnetic-acoustic transducer.

EFFECT: high efficiency of the air cushion of the electromagnetic-acoustic transducer.

2 dwg

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RU 2 408 882 C1

Authors

Kirikov Andrej Vasil'Evich

Britvin Vladimir Aleksandrovich

Grigor'Ev Gennadij Mikhajlovich

Dates

2011-01-10—Published

2009-04-27—Filed