Pressure limiting valve with replacement control valve

Details Pressure limiting valve with replacement control valve Pressure limiting valve with replacement control valve

1994-03-08

1995-03-14

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

G05D 1610

Patent

active

053969243

ABSTRACT:
A pressure limiting valve with high flow rates, but in particular with a good adaptability to the respective conditions, is constructed so that the control piston and the valve piston are coordinated with separate valve cases, whereby these valve cases are connected to each other by way of a plug-in fitting which can be screwed into the valve case of the valve piston and has on the opposite side a standardized plug connection. In the center of this plug-in fitting is provided a center bore, so that the plug-in fitting which has a corresponding opening or blind hole on both sides permits the pressure medium to flow through. The blind hole in the valve piston itself is again connected via a through-bore to the compensation chamber on the opposite side, whereby the diameter of this through-bore is smaller than that of the blind hole of the control piston.

REFERENCES:
patent: 2333522 (1943-11-01), Clifton
patent: 2625174 (1953-01-01), Forde
patent: 3174410 (1965-03-01), Booth
patent: 3613716 (1971-10-01), Hoheisel
patent: 4135541 (1979-01-01), Lorimor
patent: 4597410 (1986-07-01), Wilke
patent: 5168895 (1992-12-01), Voss
Exner et al., Grundlagen und Komponenten der Fluidtechnik Hydraulik (The Foundation and Components of the Fluid Technology Hydraulics), Der Hidraulik Trainer, Band 1 pp. 216-217. (undated).

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