Pulsator for hydraulic systems controlling actuating mechanisms

Details Pulsator for hydraulic systems controlling actuating mechanisms Pulsator for hydraulic systems controlling actuating mechanisms

1978-10-25

1980-05-27

Michalsky, Gerald A.

Motors: expansible chamber type

With motive fluid valve

Dither valve

91433, 91461, 13759614, F15B 2112

Patent

active

042044588

ABSTRACT:
The pulsator for hydraulic systems controlling actuating mechanisms has a housing accommodating a pusher made in the form of a piston with a rod, a delivery valve, a pneumatic piston displacing in the cavity connected to the pneumatic control system. Above the pusher piston there is an upper cavity communicating with a high-pressure main, and under the piston there is a lower cavity communicating with the actuating mechanism via a non-return valve. A stem is provided between the rod and the piston. Also made above the pusher piston is an auxiliary cavity which is an extension of the upper cavity, defined by a leading edge and connected to the actuating mechanism. Above the lower cavity of the pusher piston there is an annular cavity disposed coaxially with said cavity, separated from said cavity by the leading edge, connected to the valve controlling resetting of the pusher.

REFERENCES:
patent: 3851667 (1974-12-01), Goryainov et al.

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