Fluid control valve

Details Fluid control valve Fluid control valve

1985-05-13

1987-03-10

Weakley, Harold W.

Fluid handling

With leakage or drip collecting

13750518, F16K 2300

Patent

active

046484205

ABSTRACT:
A control valve with a control slider (9) comprising bead-type areas (17, 18, 19), by means of which the control slider is slidably arranged in the cylinder bore (8). The areas (17) and (18) isolate the inlet (2) from the outlet (3), while the area (19) isolates the outlet (3) from the leakage oil port (4). The clearance between the areas (17) and (18) of the control slider (9) and the wall of the cylinder bore (8) is smaller than the clearance between the area (19) of the control slider (9) and the wall of the cylinder bore (8). The output pressure is kept within close tolerances with only minor leakage losses.

REFERENCES:
patent: 219114 (1879-09-01), Ross
patent: 404504 (1889-06-01), Ross
patent: 746755 (1903-12-01), Spencer
patent: 1294151 (1919-02-01), Page
patent: 1772406 (1930-08-01), Whiton
patent: 2805680 (1957-09-01), Longbottom
patent: 2808068 (1957-10-01), Thomas
patent: 2825358 (1958-03-01), Niles

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