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oil control valve

A spool and valve body technology, applied in control valves, multi-way valves, valve devices, etc., can solve problems such as maintaining the ready state of the flow path

Active Publication Date: 2020-03-03
EATON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As such, it is difficult to maintain the readiness of the flow path before the valve switches between closed and open positions
This presents an even greater challenge during operations requiring high flow rates and frequent flow changes, for example, switching between open and closed positions, or in the case of a 3-way valve, switching between different flow paths

Method used

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  • oil control valve
  • oil control valve
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Examples

Experimental program
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Embodiment Construction

[0011] Reference will now be made to the examples shown in the drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Directional references such as "left" and "right" facilitate reference to the figures and are not limited to the installation orientation of the assembled valve arrangement.

[0012] Figure 1A is a cross-sectional view of the valve assembly. The valve device comprises a valve body 1 . The valve body extends along a longitudinal axis A-A. The first fluid port 7 leading into the valve body is perpendicular to the longitudinal axis. A second fluid port 6 or control port leading into the inner compartment is spaced from the first fluid port, the second fluid port 6 being perpendicular to the longitudinal axis. Spaced from the second fluid port 6 is a third fluid port 11 leading into the inner compartment 14, the third fluid port 11 being perpendicular to the longitudinal axis A-A. The s...

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PUM

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Abstract

The present invention discloses a valve body comprising an internal compartment extending along a longitudinal axis from the second end portion towards the first end portion. The first, second and third fluid ports leading into the valve body are perpendicular to the longitudinal axis. The second fluid port is located between the third fluid port and the first fluid port. The fourth fluid port is parallel to the longitudinal axis. The spool is configured to selectively reciprocate within the internal compartment. The spool includes a first fluid receiving portion configured to prevent fluid flow to the third fluid port and to be in fluid communication with the second fluid port when the spool abuts the first end portion. The first fluid receiver is configured to fluidly communicate with the second fluid port and the third fluid port when the spool abuts the second end portion. The second fluid receiver is configured to receive fluid pressure from the fourth fluid port.

Description

technical field [0001] The present application relates to an oil control valve. Background technique [0002] Hydraulic valves have difficulty responding quickly between switch positions during applications requiring high flow rates. Even if the valve is capable of responding quickly, a flow path containing fluid may slow down operation if the path contains air pockets or insufficient pressure. As such, it is difficult to maintain readiness of the flow path before the valve switches between closed and open positions. This presents an even greater challenge during operations requiring high flow rates and frequent flow changes, for example, switching between on-off positions, or in the case of a three-way valve, switching between different flow paths. Contents of the invention [0003] The methods and apparatus disclosed herein overcome the above-mentioned disadvantages and improve upon the prior art by a valve arrangement that maintains the readiness of the flow path and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B13/043
CPCF15B13/0431F15B2211/50518F15B13/024F15B2013/041F16K31/124F15B2211/5159F15B2211/528F15B2211/55F15B2211/565F16K11/0716F16K15/1823F16K11/07F16K11/22
Inventor 罗伯特·约翰·坎达托德·K·库尔特丹尼尔·威廉·班伯
Owner EATON CORP