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2 034 442

(13)

(51)

IPC

(21) (22)

Application

93020348/15, 1993-05-26

(22)

Actual filing date

1993-05-26

(45)

Published

1995-05-10

(72)

Inventor

Lashin Aleksandr PavlovichSokolov Igor' SergeevichKhrebtovich Anatolij Matveevich

(73)

Holder

Lashin Aleksandr PavlovichSokolov Igor' SergeevichKhrebtovich Anatolij Matveevich

SYSTEM FOR AUTOMATICALLY CONTROLLING CONCENTRATION OF MINERAL FERTILIZERS IN FERTILIZER SOLUTION Russian patent published in 1995 - IPC

Abstract RU 2034442 C1

FIELD: agriculture. SUBSTANCE: this system has fertilizer solution electric conductivity transducers at its mixing ejector outlet. Signal reproduced by transducer is compared with preset value, difference signal controls operation of electric motor to change position of variable-section piston disposed in ejector air intake connection, adjust fertilizer solution flow rate and thus regulate concentration of fertilizer solution at ejector outlet. EFFECT: more sophisticated design. 2 dwg

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RU 2 034 442 C1

Authors

Lashin Aleksandr Pavlovich

Sokolov Igor' Sergeevich

Khrebtovich Anatolij Matveevich

Dates

1995-05-10—Published

1993-05-26—Filed