Multi-way valve

A technology of multi-way valves and valve sliders, which is applied in the direction of multi-way valves, valve devices, servo meter circuits, etc., to achieve the effect of reducing friction and wear

Active Publication Date: 2013-01-30
FESTO AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this type of valve according to document US 4,450,865, this is

Method used

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  • Multi-way valve
  • Multi-way valve

Examples

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Example Embodiment

[0026] The multi-way valve 1 that can be seen from the drawing can be used to control any type of fluid flow. A typical application situation is to control the flow of pressure fluid to and from the load 2 schematically indicated in the figure, which is, for example, a fluid-operated drive device.

[0027] Usually, the controlled pressure fluid is compressed air or pressure oil. However, it is also possible to control other fluid media.

[0028] The multi-way valve 1 of this embodiment is designed as a three-position five-way valve. However, the present invention can also be implemented in valves with other functionalities.

[0029] The multi-way valve 1 has a valve housing 3 in which an elongated control chamber 5 with a longitudinal axis 4 is located. Suitably, the control chamber 5 has a circular, preferably circular cross-section. On the peripheral side, the control chamber 5 is restricted by a wall surface called a peripheral wall surface 6, and the wall surface 6 is directl...

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PUM

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Abstract

The invention relates to a multi-way valve, which comprises a valve spool (16) disposed in a control chamber (5). On at least one end region, the valve spool (16) has a bearing section (27, 28) which can cover a feed opening (13a, 13b). Because the valve spool (16) is designed to be elastically flexible at least in some regions, a pressure fluid flowing in through the feed opening (13A, 13B) can exert a radial fluid force on the bearing section (27, 28) in order to orient same centrally with respect to the control chamber (5). In this way, low-friction and precise actuation of the valve spool (16) can be ensured, regardless of manufacturing inaccuracies.

Description

technical field [0001] The invention relates to a multi-way valve with a valve housing in which there is an elongated control chamber delimited by a peripheral wall, in which control chamber can be A valve slide (Ventilschieber) is arranged in an axially displaceable manner, which has a bearing section covering a longitudinal section (Löngenabschnitt) of the peripheral wall at at least one end region, with a smaller transverse The bridge section of the cross-section is connected to the bearing section, wherein the supply channel for supplying the pressurized fluid opens at the peripheral wall with at least one supply hole, ie in at least one axial direction of the valve slide. The at least one supply hole is covered by the support section in its position. Background technique [0002] A multi-way valve of this type configured as a hydraulic valve is known from the document US 4,450,865. The valve slide of the multi-way valve has in each case a bearing section at both end r...

Claims

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Application Information

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IPC IPC(8): F16K11/07F15B13/04
CPCF15B2211/30525F15B13/0402F16K11/0708
Inventor R.施文策尔G.戈梅尔
Owner FESTO AG & CO KG
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