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2 182 676

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Application

2000123852/06, 2000-09-18

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Start date

2000-09-18

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Actual filing date

2000-09-18

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Published

2002-05-20

(72)

Inventor

Rjabov V.M.Red'Ko P.G.Tychkin V.I.Ambarnikov A.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mashinostroitel'Nyj Zavod

PUMP-TYPE HYDRAULIC DRIVE Russian patent published in 2002 - IPC

Abstract RU 2182676 C1

FIELD: mechanical engineering. SUBSTANCE: pump-type hydraulic drive can be used as slave mechanism in control systems of different devices. Drive has partially turnable slave hydraulic motors, spool hydraulic distributors controlled by electromechanical direct-action converters. Closed-type hydraulic tank has working medium temperature compensator consisting of bellows and pusher-controlled spring unit whose control chamber is connected with pressure hydraulic line. Electric drive pumping station has variable capacity pump whose rotary inclined plate is installed directly on electric motor shaft. Stationary of pump is aligned and rigidly secured in electric motor case. Pump sealing unit is located between inclined plate and front support of electric motor shaft. EFFECT: reduced power consumption, overall dimensions and mass of hydraulic drive, increased service life, stabilized static and dynamic characteristics within wide ambient temperature range up to ± 60 C. 1 dwg

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RU 2 182 676 C1

Authors

Rjabov V.M.

Red'Ko P.G.

Tychkin V.I.

Ambarnikov A.V.

Dates

2002-05-20—Published

2000-09-18—Filed

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