Classifications

• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
  • E03B7/00—Water main or service pipe systems
  • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
  • E03B7/072—Arrangement of flowmeters
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
  • E03B7/00—Water main or service pipe systems
  • E03B7/09—Component parts or accessories
  • E03B7/095—Component holders or housings, e.g. boundary boxes
• • 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
  • G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
• • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/6851—With casing, support, protector or static constructional installations
  • Y10T137/6918—With hose storage or retrieval means
  • Y10T137/6962—Basket or holder for folded coiled hose
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/6851—With casing, support, protector or static constructional installations
  • Y10T137/6966—Static constructional installations
  • Y10T137/6991—Ground supporting enclosure
  • Y10T137/6995—Valve and meter wells
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/6851—With casing, support, protector or static constructional installations
  • Y10T137/6966—Static constructional installations
  • Y10T137/6991—Ground supporting enclosure
  • Y10T137/6995—Valve and meter wells
  • Y10T137/7021—Covers
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/6851—With casing, support, protector or static constructional installations
  • Y10T137/7036—Jacketed
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/8158—With indicator, register, recorder, alarm or inspection means

Definitions

• the present invention relates to an installation for measuring and displaying the volume of fluid protected against the risk of freezing.
• the installation for measuring and displaying fluid volume comprises a fluid metering assembly such as water, gas or fuel connected to a fluid inlet pipe and a fluid outlet pipe.
• a fluid metering assembly such as water, gas or fuel connected to a fluid inlet pipe and a fluid outlet pipe.
• the water meter In known installations for measuring the volume of fluid protected against the risk of frost, the water meter is located either above ground level or in a manhole.
• the ground constitutes a thermal insulator from a certain depth.
• US Patent US 3,802,266 describes a water meter with a bottom having a specific shape for protection against frost.
• French patent 87 03453 presents a water meter pivotally mounted on a base comprising two water passages connected respectively to the pipes. water inlet and outlet. This arrangement makes it possible to control the opening and closing of the fluid inlet by rotating the meter relative to the base to bring the fluid passages from the base in coincidence with those of the meter or to move them away.
• French patent n ° 2749920 describes a device consisting of a cylinder having, two horizontal bores (top and bottom) connected together by a vertical hole in its axis, which is introduced into its valve body which likewise will be pierced on its circumference at its four cardinal points; that is to say four times 90 ° two high points, North-East North exit East, waiting for emptying. Two low points South-West South West entrance, drain.
• the assembly will be actuated on the surface by an order. In the winter position the action will be simultaneous opening, closing and emptying of the riser.
• This known device is particularly intended for the shut-off valve after a water meter.
• the implementation of these frost protection means is complicated and therefore costly.
• the subject of the invention is firstly an installation protected against the risk of frost allowing the measurement and display of fluid volume in a simple and rapid manner. This by avoiding frequent descents in a deep and narrow look.
• the invention simplifies the installations, while maintaining the frost protection efficiency with the fluid metering assembly mounted in a manhole which is thermally insulated or not at a frost depth.
• the fluid lines extend into a trench made in the ground and are connected to the manhole which has an upper opening closed by an inspection plug. Installation under sidewalks requires small manholes. Indeed some sidewalks are themselves small dimensions. In all cases the installation is conditioned by an authorization which is generally only granted with regard to small dimensions.
• the metering assembly is removable with or without cutting off the pressurized fluid, being mounted or not on a metering plate maintaining flexible joining means connecting the fluid inlet and outlet pipes to the assembly counting, said flexible joining means being coiled are capable of being deployed in the interior of the manhole with horizontal dimensions slightly greater than the horizontal size of the meter.
• the installation only reveals small dimensions on the surface. The dimensions visible on the ground surface correspond to the size of the pad.
• the flexible joining means are able to deploy at least until the upper opening of the manhole.
• the flexible joining means are flexible connecting tubes coiled in the form of at least one turn of decreasing diameter as the fluid meter rises.
• the tubes do not require a housing well below the fluid inlet and outlet.
• the flexible joining means are flexible connecting tubes, linked respectively to the counting assembly, comprising one or more cut-off means, a counter and a valve guided or not by a plate and connected at the other ends, to the pipes d 'arrival and departure of fluid fixed directly or not on fittings or not crossing the vertical wall of the manhole.
• the counting assembly comprising one or more cutting means, having a square shape. These means for cutting off the flow of the fluid can be either a bent tap or a straight tap connected to an elbow or other bent member.
• the counting assembly also comprises a valve having a square shape, in particular bent or straight connected to an elbow fixed by a plate which guides the flexible joining means connected directly or indirectly via bent fittings to straight fittings. This feature allows you to place valve elements below the metering assembly; which provides a minimum footprint.
• the fixing of the means of joining the hoses to crimped fittings avoids the use of seals so as to eliminate the risk of leaks.
• the invention also relates to the use of an installation comprising a fluid metering assembly connected to a fluid inlet pipe and a fluid outlet pipe, this fluid metering assembly being mounted in an isolated manhole thermally to a frost-free depth, these pipes extending in a trench made in the ground and connecting to the upper opening manhole closed by an inspection plug, characterized in that the metering assembly is removable with or without cutting of fluid under pressure, whether or not mounted on a plate maintaining flexible joining means connecting the fluid inlet and outlet pipes to the metering assembly, said flexible joining means being coiled are capable of deploying to the interior of the manhole, in particular in accordance with any of the installations described above for keeping frost-free and accessible standard valve fittings, in particular straight or coaxial meters.
• This equipment being standard maintenance is simplified. Staff are familiar with this equipment and it is easy to find parts for replacements.
• FIG. 1 is a longitudinal sectional view of an installation according to the invention whose manhole is closed by a pad;
• - Figure 2 is a variant of the installation according to the invention equipped with elbow fittings;
• FIG. 3 is a schematic view of an installation according to Figure 1 or 2 showing the movement of the removable meter
• FIG. 4 is a schematic view of an installation according to Figure 1 or 2 equipped with a read repeater unit;
• FIG. 5 is a schematic view of an installation according to the invention with a standard depth look
• FIG. 6 is a schematic view of an installation according to the invention with an extended depth view of a lower riser
• - Figure 7 is a schematic view of an installation according to the invention with an extended depth view of an upper riser
• - Figure 8 is a schematic view of an installation according to the invention with an extended depth view of upper and lower extensions
• - Figure 9 is a schematic view of an installation according to the invention whose manhole is closed by a terminal;
• FIG. 10 is a schematic view of an installation according to the invention, the manhole is closed by a box.
• the fluid volume measurement and display installation according to the invention shown in FIG. 1 comprises a fluid metering assembly 1, connected to a fluid inlet pipe 2 and a fluid outlet pipe 3.
• the arrows E indicate the direction of fluid flow.
• This fluid metering assembly 1 is mounted in a manhole 4 thermally insulated to a frost-free depth.
• Said counting assembly 1 comprises a straight tap 5 connected to an elbow and to a fluid counter 6 itself connected to a straight check valve 7 connected to an elbow. All these fittings 5, 6, 7 are guided by a plate 8.
• the tap 5 and the valve 7 are linked to the fluid inlet and outlet pipes 2, 3 by flexible connection tubes forming flexible joining means 9.10 fixed to straight fittings 12 which pass through the vertical wall of the manhole 4.
• the straight fittings 12 are fixed to the pipes 2, 3 which extend in a trench made in the ground 13.
• the flexible connecting tubes 9.10 are coiled in the form of a turn of variable radius of curvature which makes them able to deploy in the inner casing of the manhole 4.
• This manhole 4 has an upper opening 14 closed by an inspection pad 15 which has a peripheral rim 16 so as to support the weight of a vehicle.
• Manhole 4 is made up of standard parts and simple construction.
• the internal surface of the upper part 17 of the manhole is coated with a thermally insulating material 18, in particular a plastic material.
• This upper part 7 is closed immediately above the fluid metering assembly 1 and / or its annexed parts by a plug made of thermally insulating material 19.
• the manhole 4 has a lower opening 20 which allows the ground heat C.
• the fluid metering assembly 1 with horizontal dimensions slightly greater than the horizontal size of the meter 6 is mounted on a removable plate 8 which holds and guides the flexible connection tubes 9, 10.
• the plate removable 8 is lowered and fixed reversibly on a support plate 21 which indexes the depth of frost.
• valve, and the tap of the fluid metering assembly 1 are bent so as to have a square shape.
• the flexible joining means 9, 10 are fixed indirectly via elbow fittings 11 to the straight fittings 12 which pass through the vertical wall of the manhole 4. These elbow fittings 11 have made it possible to pivot the means 9.10 junction so as to reverse the direction of flow of the fluid E in the metering assembly which is found mounted in the other direction.
• the metering assembly 1 of the installation according to the invention is removable as shown in FIG. 3. The displacement of the metering assembly 1 is vertical along arrow V and can be done without cutting the fluid under pressure.
• Each connecting tube 9, 10 is of sufficient length to be deployed higher than the upper opening 14 of the manhole 4. As the tubes 9, 10 are flexible and coiled in the form of turns 22 of decreasing diameter as and as the counting assembly 1 rises, the counter 6 can reach the surface while operating.
• the vertical stroke of the counting assembly 1 is limited at its upper part by an outlet limiting system 23 of the counting assembly 1 which maintains the minimum radii of curvature of the turns formed by the flexible connecting tubes.
• the platinum indexing support 21 limits the travel to the lower position of the platen assembly located at the frost-free depth.
• the plate assembly is equipped with a fastening means 24 for temporary attachment to the upper part of the manhole 4.
• the installation according to the invention shown in FIG. 3 is in accordance with the installation in FIGS. 1 and 2 in which a a remote reading or remote reading system 25 has been added.
• the fluid counting assembly 1 is equipped at its upper part with at least one volume recording device 26 connected to a means for transferring the readings 27 to a housing. reading repeater 28. the display placed in a wall 29.
• the means for transferring the measurements 27 is wired, cellular or other. Occasionally these measurements can be transmitted as communication from a telephone network.
• the space between the plug of thermally insulating material 19 is sufficient for the volume recording device 26 placed above the counter 6 to be protected from freezing under the plug 19.
• FIGS. 4, 5, 6 and 7 respectively represent a schematic view of an installation according to the invention with a look of standard depth, a look of extended depth of a lower riser, a prolonged depth look of a higher riser; a look of prolonged depth of lower upper risers.
• the installation according to the invention is carried out with standard and corrosion-resistant parts to withstand the aggressiveness of the ground 13.
• the manhole 4 of small diameter is produced by means of a pipe.
• the manhole 4 In order to modulate the depth of the manhole 4 and to facilitate the leveling as a function of the depth of the trench, it can be extended with at least one lower riser 30 or one upper riser 31 or two lower and upper risers 30, 31.
• the manhole 4 is surmounted by at least one terminal 32. This makes it possible to temporarily fix the counter 6 in the measurement or control position in this terminal to work on height.
• Terminal 32 has a door 33 for access to the fluid metering assembly 1.
• the manhole 4 is closed by a protective box 34.
• the counter 6 is raised to the surface and is fixed in the box for reading or maintenance.
• the compact fluid metering assembly 1 comprises an elbow valve 5 connected at one end to a fluid meter 6 itself connected to the end of a non-return valve. angled 7 guided by a plate 8.
• This fluid metering assembly 1 is removable and can be fully or partially retracted in the manhole 4 under the box 34.
• the operation of the installation is as follows, the manhole 4 is buried at the level of a fluid pipe disposed in a trench.
• the installation for measuring and visualizing the volume of fluid has been placed between the pipes 2, 3 forming a portion of the pipe, thus the fluid passes through the counting assembly 1 fixed and indexed in depth frost-free on the plate 8 look 4.
• the fluid arrives and leaves the counting assembly 1 by the flexible tubes 9, 10 which are coiled in the form of turns 22 of large diameter in the low position.
• the direct reading dial of the counter is facing upwards. This allows the volume consumed to be read without raising the counter.
• the depth indexing of the plate 8 stopping the counter from the frost height. So, at the minimum depth, it is possible to view the volume by leaving the counter 6 in the frost-free position in the manhole 4.
• the counting assembly 1 is raised at the same time as the plate 8. As the counting assembly 1 rises, the diameter of the turns 22 decreases.
• the maximum upward stroke of the counting assembly 1 is stopped by the outlet limiter system 23 which maintains the minimum radii of curvature of the turns formed by the flexible connecting tubes.
• the outlet limiting system 23 of the metering assembly maintains the minimum radii of curvature of the turns formed by the flexible connecting tubes.
• Maintaining the fluid flow in the high position of the metering assembly 1 allows access to the operating meter, in particular for recording the volume consumed, maintenance and changing of parts, taking a water sample for analysis. , to check the correct functioning of the meter and of the fittings, such as the non-return valve, and to set up an anti-fraud protection system such as sealing.
• the outlet limiter system 23 prevents the flexible joining means 9, 10 from falling to the bottom of the manhole 4.
• the counting unit 1 is locked by the fixing means 24 for temporary attachment to the upper part of the manhole 4.
• the counting unit 1 is lowered in the manhole 4 until the means d indexing provided for the lower position of the counting assembly 1 at the frost-free depth.
• the diameter of the turns increases during the descent which produces the erasure of the counting assembly 1. This avoids twisting the flexible tubes 9, 10 and housing them in a well under the manhole 4.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• General Physics & Mathematics (AREA)
• Measuring Volume Flow (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=8847689

Family Applications (1)

Country Status (10)

Families Citing this family (15)

Family Cites Families (15)

• 2000
  • 2000-03-03 FR FR0002744A patent/FR2805834B1/fr not_active Expired - Fee Related
• 2001
  • 2001-03-01 HU HU0300087A patent/HUP0300087A2/hu unknown
  • 2001-03-01 RU RU2002125685/03A patent/RU2002125685A/ru unknown
  • 2001-03-01 US US10/220,032 patent/US6820646B2/en not_active Expired - Fee Related
  • 2001-03-01 CZ CZ20022922A patent/CZ20022922A3/cs unknown
  • 2001-03-01 PL PL01364987A patent/PL364987A1/xx not_active Application Discontinuation
  • 2001-03-01 EP EP01911816A patent/EP1264050A1/de not_active Withdrawn
  • 2001-03-01 CA CA002401853A patent/CA2401853A1/fr not_active Abandoned
  • 2001-03-01 AU AU2001240745A patent/AU2001240745A1/en not_active Abandoned
  • 2001-03-01 WO PCT/FR2001/000606 patent/WO2001065015A1/fr not_active Ceased

Non-Patent Citations (1)

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