DISTRIBUTION SPOOL TWO-VALUED VALVE TANDEM AT LOGIC "EITHERE OR" FUNCTION Russian patent published in 2005 - IPC

Abstract RU 2251029 C2

FIELD: control of hydraulically- and pneumatically-operated machines and mechanisms.

SUBSTANCE: proposed spool valve tandem includes two spool valves: inputs of one spool valve are connected with plus signals and inputs of other spool valve are connected with minus signals; pairs of lines of different meaning are formed from outputs by crossing parallel lines; said lines are connected to distributor control lines of independent pneumatic and/or hydraulic drives operating alternately in accordance with control system logic.

EFFECT: enhanced accuracy of control.

5 dwg, 2 tbl

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RU 2 251 029 C2

Authors

Novin'Kov N.N.

Dates

2005-04-27—Published

2002-12-18—Filed