HYDROPNEUMATIC SURFACE CLEANING DEVICE Russian patent published in 1994 - IPC

Abstract RU 2009727 C1

FIELD: cleaning equipment. SUBSTANCE: device has a body, a working pneumatic chamber, a control chamber, a piston. Additionally the device has a hydraulic chamber connected in series to the pneumatic chamber through a shutter, for example, a differential piston. The hydraulic chamber has a nozzle slot in the lower part which is inclined to the longitudinal axis of the chamber, and a throttling orifice - in the upper part. EFFECT: improved structure. 1 dwg

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RU 2 009 727 C1

Authors

Ezhov V.A.

Fedorchukov N.I.

Dates

1994-03-30—Published

1991-12-10—Filed