Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
  • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
  • G01F15/18—Supports or connecting means for meters
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L41/00—Branching pipes; Joining pipes to walls
  • F16L41/008—Branching pipes; Joining pipes to walls for connecting a measuring instrument

Definitions

• the present invention relates to a connecting device for a measuring apparatus for carrying out measurements in a space closed or sealed off by a wall, such as the space within a pipe, tube, casing or any other housing part of an appliance.
• the connecting device according to the invention to that end is characterized in that it is formed by a plate shaped part on to which a body is mounted, the diameter of which body is smaller than the diameter of the plate shaped part, while the connecting device is intended to be placed in an opening to be made in the wall, the diameter of which opening is larger than the diameter of the body but smaller than the diameter of the plate shaped part, in such a way, that the body can be sunk in the opening in the wall while the plate shaped part remains supported at its edge on the wall, whereby the plate shaped part and the body are provided with at least one measuring opening through which the space is accessible to the measuring apparatus, and whereby the outer side of the body is provided with clamping feet protruding in the direction of the bottom side of the plate shaped part for the clamping of the wall between the clamping feet and the plate shaped part.
• the body and the plate shaped part can have any given form. According to a characteristic of the device according to the invention the body has in section a round shape, while according to another characteristic of the device according to the invention the plate shaped part is round.
• the connecting device according to the invention can be built in in existing appliances in a simple manner.
• an opening is made, for instance by means of a hole saw, after which the body of the device is slid in the opening until the wall butts against the bottom side of the plate shaped part, whereby the plate shaped part covers the opening.
• the plate shaped part is flat, spherical or hollow, so that the device is adapted to a flat wall or a round or hollow wall, while a sufficient sealing of the opening can be obtained.
• a measuring tube in at least one measuring opening a measuring tube is provided, the length of which, according to a further characteristic, is larger than the distance between the wall and a second wall provided at a distance there from in the appliance. This is suitable for carrying out measurements in double-walled systems, for instance in two concentric tubes.
• Figure 1 shows a perspective view of the connecting device mounted to a double- walled tube system.
• Figure 2 shows in section a top view of the connecting device mounted to a tube system in the manner shown in figure 1.
• Figure 3 shows in section a side view of a connecting device mounted to a single tube.
• Figure 4 shows in section a side view of the connecting device shown in figure 3 but now mounted to a double-walled tube system.
• Figure 5 shows an embodiment of the device according to the invention having one measuring opening, in which a measuring tube is fitted.
• Figure 6 shows the embodiment of the device according to figure 5, in which a venturi tube is fitted.
• the connecting device 1 for a measuring apparatus (not shown in the drawings) for carrying out measurements in a space 3 closed or sealed off by a wall 2 in an appliance is formed by a plate shaped part 4 to the bottom side 5 of which a body 6 is mounted.
• the body 6 has in section a round shape.
• the diameter, indicated by the measuring line A, of the body 6 is smaller than the diameter, indicated by the measuring line B, of the plate shaped part 4.
• the connecting device 1 is fitted therein, as can be seen in the figures 1, 3 and 4.
• the diameter of the opening 7 is smaller than the diameter of the plate shaped part 4, in such a way, that the body 6 can sink in the opening 7 in the wall 2 while the plate shaped part 4 remains supported at its edge 8 on the wall 2 and the opening 7 in the wall 2 is covered by the plate shaped part 4.
• the plate shaped part 4 and the body 6 are provided with two measuring openings 9 and 10 through which the space 3 is accessible to a measuring apparatus.
• the body 6 all round is provided with clamping feet 12 protruding in the direction of the bottom side 5 of the plate shaped part 4 for the clamping of the wall 2 between the clamping feet 12 and the plate shaped part 4 and for the formation of a seal.
• the measuring opening with the device according to the invention is closable and to that end is provided with any seal fixing means.
• the measuring opening 9, 10 to that end is provided with an internal screw thread 13.
• the connecting device is shown mounted to a double- walled tube system. As described above to that end by means of for instance a hole saw an opening 7 is made in the wall 2.
• the opening 7 is large enough to allow access to a second wall 14 provided in the appliance at a distance from the wall 2 and to allow the making of an opening 15 therein.
• a measuring tube 16 is provided the length of which is greater than the distance between the wall 2 and the second wall 14 in the appliance, and which measuring tube 16 is led through the opening 15 in the second wall 14.
• the measuring tube 16 is provided with sealing means 17 at the place of the second wall 14, such as a rib or any other sealing means.
• the measuring tube 16 can be chosen in any length and/or shape, so that the device is suitable for any given diameter and/or distance between the walls.
• the connecting device makes it possible to carry out different sorts of measurements, for instance by adapting the measuring tube, in spaces that are filled with a gas or liquid substance or a combination thereof.
• FIG. 5 shows another embodiment of the device according to the invention with in it only one measuring opening 19, in which a measuring tube 20 is fitted, whereby the device is mounted to a double-walled tube system.
• an opening 7 is made in the wall 2.
• an opening 15 is made in the second wall 14.
• the measuring tube 20 is adapted to the proper length and is inserted through the openings 7 and 15.
• the measuring tube is provided with a thickening or projection 21, in such a way, that the diameter of the measuring tube 20 at the place of the thickening 21 is greater than the diameter of the opening 15 in the second wall 14, so that the thickening 21 prevents a further inserting of the measuring tube 20 inside the space 18.
• an O-ring 22 is provided between the thickening 21 and the second wall 14 as a seal.
• an O-ring to that end also use can be made of any other form of a seal.
• the connecting device 1 according to the invention is fitted in the opening 7 in the wall 2, whereby a thickening or projection 23 provided on the inner side of the measuring opening 19 comes to rest on the upper edge 24 of the measuring tube 20, and by means of which the measuring tube 20 is locked between the second wall 14 and the projection 23.
• the device is clamped by means of the clamping feet 12 to the wall 2.
• the measuring opening 19 on the inner side is provided with an O-ring seal 25 for the seal between the measuring tube 20 and the measuring opening 19.
• a measuring nipple 26 can be provided in the measuring opening 19 and by means of which a closing off of the measuring opening is formed.
• Figure 6 shows an embodiment of the device according to figure 5, with a venturi tube 27 provided therein.
• the invention is not limited to the examples of the embodiments described herein.
• a connecting device suffices in which a short measuring tube is fitted.
• the manner of locking of the measuring tube as described in the example of the embodiment according to figure 5 can also be applied in the example of the embodiment described in the figures 1-4.
• Thinkable is further any other form of connection for connecting the device to the wall, among which any other form of snap-connection.
• the device can be manufactured out of one piece of material or not. Further the device, depending on the intended application, can be made out of plastic or metal.
• a universal connecting device for a measuring apparatus is provided by means of which in a simple manner periodic measurements can be carried out in double- walled systems, such as for instance two concentric tubes.
• the device can be applied in existing systems, but can also be integrated in new or yet to be developed systems.
• measurements can be carried out in spaces that are surrounded by another space, filled with another medium, without these being able to affect each other.
• Thinkable is the application in for instance: flue gas analyses, pressure difference measurements, temperature measurements, flow measurements, continuous monitoring, continuous measurement, and such like.
• the device can be universally applied, because the measuring tube can be adapted to any desired length and any desired shape and in this manner is suitable for any given diameter and /or distance between the walls.
• Measuring instruments or apparatuses can be connected temporarily or permanently. After a temporary measurement measuring openings can simply be closed.
• the device can be fitted in a simple manner by means of making two openings with a hole saw. The spaces are not mutually connected to each other.
• the device according to the invention can further be applied to single-walled systems, to round as well as flat walls, to different diameters, to spaces filled with gas or liquid, for air treatment. When use is made at high temperatures and/or pressures, use can be made of a device made out of high- grade materials.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• General Physics & Mathematics (AREA)
• Mechanical Engineering (AREA)
• Measuring Volume Flow (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=38705172

Family Applications (1)

Country Status (3)

Family Cites Families (3)

• 2006
  • 2006-07-29 NL NL1032254A patent/NL1032254C1/nl not_active IP Right Cessation
• 2007
  • 2007-07-10 EP EP07768905A patent/EP2052221A1/de not_active Withdrawn
  • 2007-07-10 WO PCT/NL2007/000176 patent/WO2008016293A1/en not_active Ceased

Non-Patent Citations (1)

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