PNEUMATIC HYDRAULIC PUMP-BOOSTER Russian patent published in 2000 - IPC

Abstract RU 2156383 C1

FIELD: mechanical engineering. SUBSTANCE: pump-booster is used as supply source during hydraulic tests of vessels and apparatus. Hydraulically-controlled pneumatic throttle is introduced into line of pressure supply to pneumatic cylinder. Control line serves as pressure feedback in delivery line. Plungers of hydraulic cylinders are secured on pneumatic cylinder body. Hydraulic cylinders are made in recesses of pneumatic cylinder rods. Pushers of control air distributors interact with pneumatic cylinder rods. Constant efficiency of pump-booster is provided at delivery pressure variation. EFFECT: reduced dynamic loads. 1 dwg

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RU 2 156 383 C1

Authors

Kozlov S.V.

Osokin Ju.M.

Sviridova E.V.

Dates

2000-09-20—Published

1999-02-02—Filed