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2 204 035

(13)

C2

(51)

IPC

(21) (22)

Application

2001109183/06, 2001-04-05

(24)

Start date

2001-04-05

(22)

Actual filing date

2001-04-05

(45)

Published

2003-05-10

(72)

Inventor

Shpen'Kov E.A.Rublev A.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod

NOZZLE SPRAY TIP CLEANING METHOD Russian patent published in 2003 - IPC

Abstract RU 2204035 C2

FIELD: mechanical engineering. SUBSTANCE: invention relates to repair and maintenance of engines. According to proposed method, nozzle spray tips are cleaned by cleaned by delivering working liquid to spray tips to be cleaned. liquid is delivered into zone of ultrasonic field, frequency of 22 kHz, intensity of 1-1.5 W/sq.cm, at temperature of 20-25C for 25-30 min. Solution containing potassium hydroxide or sodium hydroxide in amount of 300-350 g/l, sodium nitrite in amount of 50-80 g/l and up to one 1 of water can be used as working liquid. EFFECT: improved quality cleaning, reduced cost of cleaning operations. 2 cl

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RU 2 204 035 C2

Authors

Shpen'Kov E.A.

Rublev A.A.

Dates

2003-05-10—Published

2001-04-05—Filed

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