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2 013 541

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(51)

IPC

(21) (22)

Application

5055923/03, 1992-07-23

(22)

Actual filing date

1992-07-23

(45)

Published

1994-05-30

(72)

Inventor

Trotsenko V.M.Tujnov V.M.Bykov A.V.Lisnovskij B.G.Reshetnikov V.P.

(73)

Holder

Predprijatie Vos'Mogo Tvorchesko-Proizvodstvennogo Ob"Edinenija Sojuza Arkhitektorov

HYDRAULIC VALVELESS IMPACT DEVICE Russian patent published in 1994 - IPC

Abstract RU 2013541 C1

FIELD: mining industry. SUBSTANCE: hydraulic valveless mechanism has a body, a hammer, a hydraulic accumulator, a hydraulic distributor, a bushing having openings to connect a work chamber to a pressure and a drain lines. The hydraulic distributor has a push member made in the form of a differential plunger having its smaller stage interacting with a spring-actuated work member and its bigger stage periodically connected to the pressure line. The plunger is provided with an additional stage to limit its stroke, said stage having orifice hole to control the volume of fluid flowing from the work stroke chamber to the drain chamber. The drain chamber outlet is connected to a low pressure receiver. EFFECT: enlarged operating capabilities. 1 dwg

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RU 2 013 541 C1

Authors

Trotsenko V.M.

Tujnov V.M.

Bykov A.V.

Lisnovskij B.G.

Reshetnikov V.P.

Dates

1994-05-30—Published

1992-07-23—Filed