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(19)

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2 028 436

(13)

C1

(51)

IPC

(21) (22)

Application

4850138/03, 1990-07-10

(22)

Actual filing date

1990-07-10

(45)

Published

1995-02-09

(72)

Inventor

Shishkin V.V.

(73)

Holder

Shishkin Viktor Vasil'Evich

DEVICE FOR CLEANING WATER RESERVOIRS AND SAPROPEL EXCAVATION Russian patent published in 1995 - IPC

Abstract RU 2028436 C1

FIELD: cleaning of water reservoirs. SUBSTANCE: pumping unit is made in form of conical inlet with conical tore and connected by means of band with driving drum. Inlet base has suction hole with check valve. Inlet is connected with outlet through check valve. EFFECT: enhanced efficiency. 1 dwg

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RU 2 028 436 C1

Authors

Shishkin V.V.

Dates

1995-02-09—Published

1990-07-10—Filed

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