Fluid handling – Convertible – Reversible check
Patent
1997-01-16
1999-04-27
Chambers, A. Michael
Fluid handling
Convertible
Reversible check
251366, 251367, F16K 3100
Patent
active
058968849
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a modular valve structure with a fluid conducting valve part and a drive part.
Conventional valves comprising a drive part and a valve body have inter alia the disadvantage that for different applications specific valves are necessary and correspondingly a multiplicity of different components is to be made available. As a result this leads to high costs for manufacture and warehousing of parts. Furthermore, the servicing of such valves is relatively involved and complicated. A further problem is involved by any later installation of sensors, which for example are employed for feedback of an actual quantity for a controlled system or the like. For such installation it is as a rule necessary for the entire valve to be removed, something which more particularly in the case of welded valve connections leads to a substantial expenditure of money and time. Furthermore the handling and servicing of sensor systems is relatively involved. Similar problems occur in connection with metering or discharge devices to be provided. A further disadvantageous feature is that generally a relatively large amount of force is necessary in order to close the respective valve against the force of the flowing medium.
The object of the invention is to create a modular valve structure of the type initially mentioned, which can be made up of a few component elements and accordingly can be adapted to different requirements without any problems, there simultaneously being the guarantee of the simplest possible and problem-free servicing.
The aim of the invention is to be attained because the fluid conducting valve part comprises a main body with an inlet and an outlet and furthermore a uniform connection interface, at which both an inlet duct extending from the inlet and also an outlet duct leading to the outlet and separated from the inlet by a rib terminate, and because one of several valve components, which are different but however possess a corresponding, uniformly designed connection side, may be freely selectively connected at the connection interface. In this respect the connection sides of the different valve components preferably respectively have at least one uniformly designed connection opening.
Owing to this design the respective valve can be assembled in a simple manner from a minimum number of standardized modules for the creation of a system which is adapted to the respective application in the best possible manner. Servicing is more especially simplified because it is now possible for wear-prone parts to be replaced without it being necessary for the main body of the fluid conducting valve part having to be disconnected from the respective pipe system for this purpose, something representing a particular advantage especially in the case of welded connections. Furthermore, later changes, including changes of the type of drive are possible without any problems.
In a preferred embodiment of the valve structure in accordance with the invention the different valve components include directly operated valve elements, which sealingly cooperate with the rim of an opening constituting the connection interface and with the rib, fluid conducting control housing bodies, in which a valve chamber is formed with a sealing seat, intermediate housings for receiving sensors and intermediate housings for duct branching, the taking of samples, the inlet of materials or for metering
Accordingly, using only a few standardized modules a large number of possibilities of variation are provided for the valve structure. Owing to the employment of a standardized fluid conducting control housing body having a sealing seat in the respective valve structure it is possible for the expenditure of force necessary for actuating the valve to be reduced in a simple fashion.
The intermediate housings may for their part possess a uniform connection interface on the side opposite to their connection side. Accordingly such an intermediate housing may readily be inserted, for instance between the main body and a fluid conducting contr
REFERENCES:
patent: 5337785 (1994-08-01), Romer
Burkert Werke GmbH & Co.
Chambers A. Michael
Ferguson Jr. Gerald J.
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