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Valve

A technology of valve seat and valve body, applied to valve details, valve devices, diaphragm valves, etc., can solve the problems of reducing the degree of starting power, not proving additional complexity, and not being significant

Inactive Publication Date: 2011-02-02
MICROFLOW INTERNATIONAL PTY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this example, the reduction in starting power by employing the cascade arrangement of Figure 2 is too insignificant to justify the additional complexity presented by this arrangement

Method used

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Embodiment Construction

[0050] Throughout the drawings, like reference numerals will be used to refer to like features, except where expressly indicated.

[0051] At the outset, it should be recognized that the present invention may relate to an earlier invention of the applicant which is the subject of International Patent Application No. PCT / AU96 / 00263. Part or all of the disclosure of this earlier patent application may, but is not required to, be deemed incorporated herein by reference.

[0052] image 3 There is shown a valve arrangement, indicated generally at 1 , having a fluid inlet 4 , a fluid outlet 5 , a main valve seat 32 and a valve assembly generally indicated at 31 . It will be appreciated that the entire valve assembly 31 is movable relative to the valve seat 32 to enable fluid flow from the inlet 4 to the outlet 5 . From image 3 As can be seen in the figure, the valve assembly generally indicated at 31 comprises a first body member 33, a second body member 34 and a relief valve mem...

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Abstract

A valve device (1) which includes a fluid inlet (4) a fluid outlet (5), a main valve seat (32) defining an aperture through which fluid may selectively flow from said inlet (4) to said outlet(5), a valve assembly (31), movable relative to said main valve seat (32) between an open position of said valve in which fluid may flow from said inlet (4) to said outlet (5), and, a closed position of said valve in which fluid flow is prevented, a control chamber (12), at least a portion of the wall of which is formed by said valve assembly (31), such that the volume of said control chamber (12) is variable depending upon the position of said valve assembly (31), a fluid passageway (7), providing fluid communications between said fluid inlet (4) and said control chamber (12).

Description

technical field [0001] The present invention relates to valve devices, and in particular to hydraulic auxiliary valve devices. The valve device of the invention has a significant advantage over prior art valve devices in that a significantly smaller displacement of the actuating member is sufficient to operate the valve than prior art devices. In solenoid valves, this results in a significantly lower operating power requirement. Background technique [0002] References in this specification to any prior publication (or information from prior publications), or to any known material are not (and should not be considered) references to any prior publication (or information from prior publications) Or known information constitutes part of the acknowledgment or recognition of common knowledge in the field covered by this specification or any form of inspiration. [0003] The applicant has previously invented various valve arrangements which are improvements and improvements ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/34F16K7/12F16K7/14F16K31/383
CPCF16K31/404
Inventor 伊莱亚斯·哈贾尔
Owner MICROFLOW INTERNATIONAL PTY LTD
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