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2 112 105

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IPC

(21) (22)

Application

94038381/06, 1994-10-11

(22)

Actual filing date

1994-10-11

(45)

Published

1998-05-27

(72)

Inventor

Kitkin V.V.Mishin V.I.Khinevich G.A.Eremenko B.I.

(73)

Holder

Konstruktorskoe Bjuro Transportnogo Mashinostroenija

HYDRAULIC SYSTEM OF FOLDING CARRIED BRIDGE OF BRIDGE LAYER Russian patent published in 1998 - IPC

Abstract RU 2112105 C1

FIELD: transport engineering; bridge layers. SUBSTANCE: hydraulic system has bridge unfolding hydraulic cylinders connected by unfolding and folding up hydraulic lines with joining arrangement for connection to hydraulic system of bridge layer, and safety valves connected to lines of compensation hydraulic tank preliminarily filled with liquid or gas under superchange pressure. It provides keeping and subsequent return of excess working liquid, formed at thermal volumetric expansion, into hydraulic system. EFFECT: reduced loses of working fluid, prevention of contamination of ambient atmospheres. 3 cl, 1 dwg

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RU 2 112 105 C1

Authors

Kitkin V.V.

Mishin V.I.

Khinevich G.A.

Eremenko B.I.

Dates

1998-05-27—Published

1994-10-11—Filed

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