The invention relates to a remote-reader module for fastening on the cap of a fluid meter and including a fastener element for fastening the module on the meter together with an associated visual-effect seal device. According to the invention, said seal device includes a detection arrangement enabling its position on said module and its removal from said module to be detected remotely.
G01F 15/06 - Dispositifs d'indication ou d'enregistrement
G01F 15/00 - Détails des appareils des groupes ou accessoires pour ces derniers, dans la mesure où de tels accessoires ou détails ne sont pas adaptés à ces types particuliers d'appareils, p. ex. pour l'indication à distance
G09F 3/03 - Formes ou structures de sceaux de sécurité
The invention relates to a gas meter (1) with membranes and with a rotary dispensing drive that includes a plurality of measuring chambers and a dispensing element (2) rotatingly mounted on the upper surface of a dispensing lid in which is formed a plurality of openings each connected to a measuring chamber, the dispensing element (2) enabling the gas to alternatingly enter and exit the measuring chambers during the rotational movement thereof, wherein the meter (1) further includes at least one non-return element (8) connected via a connection area (11) to a fixed bearing structure (7) provided above the dispensing element (2), each non-return element (8) interacting with blocking means (9, 16) of the dispensing element (2) so as to enable the rotation of the dispensing element (2) in a so-called operation direction, and to block the dispensing element (2) when the latter rotates in the opposite direction, each non-return element (8) being further capable of bearing upon the dispensing element (2) when rotating the same in the opposite direction in order to prevent any lifting of the dispensing element (2) by the gas pressure.
G01F 3/22 - Mesure du débit volumétrique des fluides ou d'un matériau solide fluent dans laquelle le fluide passe à travers le compteur par quantités successives et plus ou moins séparées, le compteur étant entraîné par l'écoulement avec des chambres de mesure qui se dilatent ou se contractent au cours du mesurage ayant des parois élastiques mobiles, p. ex. des diaphragmes, soufflets pour les gaz
G01F 15/00 - Détails des appareils des groupes ou accessoires pour ces derniers, dans la mesure où de tels accessoires ou détails ne sont pas adaptés à ces types particuliers d'appareils, p. ex. pour l'indication à distance
A remote reading device (3) that is intended for the remote reading of the consumption in a meter and that includes a housing with a front wall (3A) and a side wall (3B). The device also includes a cap (4) for protection specifically from the rays of the sun, which is fitted onto the housing of the remote reading device and which comprises at least one covering wall (4A) of said front wall, said cap being secured to the housing of the remote reading device. Said device can be a remote reading module (3) installed on a meter or on a remote transmission relay (10).
The invention relates to a power supply device for an RF transmitter (5), that comprises at least one battery (2) and a capacitor (3) electrically connected in parallel between the battery (2) and the RF transmitter (5), and a voltage elevator (4') for charging the capacitor (3) to a storage voltage (Vc) higher than the voltage supplied by the battery during a first charging period, wherein the voltage elevator (4') includes an inductor (L) and a diode (D) in series as well as a switch (40') capable of periodically controlling, during the charging phase, the energy build-up in the inductor (L) followed by a transfer of the accumulated energy in the capacitor (3). According to the invention, the control signal (Sc) of the switch is predetermined and has a variable period so as to control, for each period: the closing of the switch (40') for a fixed calculated period so that the current in the inductor (L) may increase from a value equal to zero up to a predetermined limit value; the opening of the switch (40') for a duration that varies as a function of the voltage (Vc) of the capacitor (3), defined so that the current in the inductor (L) may decrease from said predetermined limit value down to a value equal to zero.
H02M 3/156 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation
H02J 7/34 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon
The invention relates to a meter comprising a totalizer provided with an electronic display member and covered with a cover (2) exhibiting at least one window (2A) allowing the viewing of an electronic screen (3) centred on the vertical central axis (X) of the meter, said cover (2) bearing official information on its external face (4). According to the invention, said cover (2) is pivotable about said axis (X) and the meter comprises at least one static sensor (5, 6) responsive to the pivoting of said cover (2), said sensor actuating a control of the display of said screen (3), in such a way that the data displayed by this screen are in the same direction of reading (S1, S2) as said official information (4).
The invention relates to a fluid meter comprising a totalizer (1) comprising a metering member and a cap (2), this cap incorporating a covering element (2D, 5) connected to the cap by at least one separable element (2C, 5A) intended for the detection of fraud. According to the invention, said covering element (2D, 5) covers a part for receiving a remote reading module (4, 4'), said totalizer comprising a wall (3A, 2B) that delimits said receiving part.
G01F 15/00 - Détails des appareils des groupes ou accessoires pour ces derniers, dans la mesure où de tels accessoires ou détails ne sont pas adaptés à ces types particuliers d'appareils, p. ex. pour l'indication à distance
G01F 15/06 - Dispositifs d'indication ou d'enregistrement
7.
DISTRIBUTION SLIDE FOR A MEMBRANE GAS METER COMPRISING A ROTARY DISTRIBUTION DRIVE
The invention relates to a membrane gas meter comprising a rotary distribution drive having a plurality of measuring chambers, and a distribution slide (2) mounted in such a way that it can rotate about a rotational axis on the upper surface of a distribution cover (1) provided with a plurality of openings which are each connnected to a measuring chamber, the distribution slide (2) enabling the gas to alternately enter and leave the measuring chambers during its rotary movement about the rotational axis. The distribution cover (1) comprises an outer sealing crown (15a) which is essentially concentric to the rotational axis and has a plane upper edge on which slides the outer contact surface (25) of the distribution slide, forming a sliding interface (28) between the outer sealing crown (15a) and the outer contact surface (25). The invention is characterised in that the gas meter also comprises a protection skirt (30) tightly surrounding the periphery of the outer contact surface (25) and comprising a peripheral wall extending towards the cover (1) in such a way as to cover the sliding interface (28).
G01F 3/22 - Mesure du débit volumétrique des fluides ou d'un matériau solide fluent dans laquelle le fluide passe à travers le compteur par quantités successives et plus ou moins séparées, le compteur étant entraîné par l'écoulement avec des chambres de mesure qui se dilatent ou se contractent au cours du mesurage ayant des parois élastiques mobiles, p. ex. des diaphragmes, soufflets pour les gaz
The invention relates to a gas meter that comprises at least one measuring compartment (1) formed by a portion (2a) of a central block (2) associated with a lid (3) by their respective peripheral edge, said compartment being divided into two chambers separated by a deformable membrane (4), the deformable membrane (4) being sealingly maintained by clamping the entire peripheral edge (9) of the deformable membrane between, on the one hand, an elastically deformable housing (21) continuous on the entire peripheral edge (11, 20) of the lid (3), or the portion (2a) of the central block and, on the other hand, a continuous protrusion (22) on the outline of the peripheral edge (20, 11) of the portion (2a) of the central block or the lid (3), said protrusion (22) being force-fitted into said housing (21), characterised in that the housing (21) and the protrusion (22) have complementary shapes adapted for preventing the protrusion to be separated from said housing.
G01F 3/22 - Mesure du débit volumétrique des fluides ou d'un matériau solide fluent dans laquelle le fluide passe à travers le compteur par quantités successives et plus ou moins séparées, le compteur étant entraîné par l'écoulement avec des chambres de mesure qui se dilatent ou se contractent au cours du mesurage ayant des parois élastiques mobiles, p. ex. des diaphragmes, soufflets pour les gaz
G01F 15/16 - DiaphragmesSouffletsMontages à cet effet
9.
MEMBRANE GAS METER WITH ROTATING DISTRIBUTION ACTION
The invention relates to a membrane gas meter comprising several measuring chambers, a rotating distribution element (1) rotating about a rotational axis on a distribution surface (3) to permit alternate entry and exit of gas from the measuring chambers, a crank (2) driving the distribution element (1) in rotation synchronised with the movements of the membranes and a support structure (5) with a part (50) centred on the axis of rotation the interior of which is turned in the direction of the distribution element (1) such as to enclose the same. According to the invention, the crank (2) comprises a plate (23) fitted concentrically on a flat surface of the support structure (50), cooperating with an upper part of the distribution element (1) through a through opening (53) in the flat surface. The counter has means (28, 54) for guiding the crank (2) in rotation distributed in the lower face of the plate (23) and on said flat surface and rotational drive means (18, 22) distributed on the lower face of the plate (23) and on the upper part of the distribution element (1). Advantages are simple assembly and small size.
G01F 3/22 - Mesure du débit volumétrique des fluides ou d'un matériau solide fluent dans laquelle le fluide passe à travers le compteur par quantités successives et plus ou moins séparées, le compteur étant entraîné par l'écoulement avec des chambres de mesure qui se dilatent ou se contractent au cours du mesurage ayant des parois élastiques mobiles, p. ex. des diaphragmes, soufflets pour les gaz
10.
DISTRIBUTION COVER FOR A MEMBRANE GAS METER WITH ROTATING DISTRIBUTION ACTION
The invention relates to a gas meter comprising several measuring chambers and a rotating distribution spool (2) rotating about a rotational axis fixed on the upper surface of a distribution cover (1) with several openings (10-12) each connected to a measuring chamber, the spool (2) allowing gas to alternately enter and exit the measuring chambers during rotation thereof about the axis and the cover (1) has at least two sealing rings (15a, 15b), concentric to the fixed axis, on the flat upper edge of which spool contact surfaces (25, 26) slide. According to the invention, the flat upper edge (15d) of at least one of the sealing rings has a non-circular form defined such that all points of the contact surface facing the flat upper edge (15d) with a non-circular form comes out of contact with said edge at least once per rotation. Advantage is promotion of removal of contaminating agents.
G01F 3/22 - Mesure du débit volumétrique des fluides ou d'un matériau solide fluent dans laquelle le fluide passe à travers le compteur par quantités successives et plus ou moins séparées, le compteur étant entraîné par l'écoulement avec des chambres de mesure qui se dilatent ou se contractent au cours du mesurage ayant des parois élastiques mobiles, p. ex. des diaphragmes, soufflets pour les gaz
F16K 3/08 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet avec éléments de fermeture articulés à pivot en forme de plaques disposées entre l'alimentation et l'évacuation les plaques étant circulaires et pivotant autour de leur centre
Method of remote reading of meters according to which use is made of a radiowave communication network, the network comprising modules (40-44) associated with the meters to be remotely read, a computer (48) and concentrators (45, 46). According to the invention, the radio communications between the modules (40-44) and the concentrators (45, 46) are performed in a UHF frequency band whereas the radio communications between the concentrators (45, 46, 47) are performed in a VHF frequency. Preferably, the radio communications between the intermediate concentrators themselves (45, 46) and between the intermediate concentrators (45, 46) and the main concentrator (47) are performed at a frequency equal to or close to 169 MHz and the radio communications between the modules (40-44) and the intermediate concentrators (45, 46) are performed at a frequency of close to or equal to 433 or 868 MHz.
The invention relates to a casing for a fluid meter, preferably made of a plastic material, and comprising a seal (J1, J2) to be arranged between an annular end surface of an inlet (1A) or outlet (1B) tubing of the latter, and an annular end surface of a fluid supply or discharge duct (3). According to the invention, the seal is attached to one of said end surfaces.
F16L 19/02 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé
F16L 19/025 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé les colliers ou les brides formant partie intégrante des extrémités du tuyau
F16L 47/04 - Raccordements ou autres accessoires de raccordement spécialement adaptés pour être en matières plastiques ou pour être utilisés avec des tuyaux en matières plastiques comprenant un écrou ou un collier rotatif s'engageant sur le tuyau
The invention relates to a method for standardising an ultrasound measuring cell (1) of the capsule type, that comprises a measuring channel (1A) provided with ultrasound sensors (C1, C2) arranged in a cowling, and to be mounted on a tarp comprising an inlet duct and an outlet duct of different types, said inlet duct communicating with the inlet of said measuring channel and said outlet duct communicating with the outlet of the measuring channel. According to the invention, the method comprises using an additional adaptation part (4, 5) that is specific to the type of tarp, for connecting said inlet duct with said inlet of the measuring channel and said outlet duct with the outlet of the measuring channel.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
14.
ELECTRICAL ENERGY METER COMPRISING AT LEAST ONE INDUCTIVE TYPE ELECTRICITY MEASURING SENSOR, AND ASSOCIATED SENSOR
The invention relates to an electrical energy meter comprising at least one sensor (1; 1') for measuring inductive type electric current with a primary circuit (3; 3') traversed by an alternating current (I) to be measured, a secondary circuit (40) magnetically coupled in air with the primary circuit (3; 3'), a shielding element (6) of the unit formed by the primary circuit (3; 3') and the secondary circuit (40), and means (7, 10,17,26, 90) for measuring the saturation state of the shielding element (6), comprising in accordance to the invention a winding forming a tertiary circuit (7; 7') between the secondary circuit (40) and the shielding element (6), through which flows an injection current (I1NJ) with an alternating frequency (fi), fixed and different from the fundamental and harmonic frequencies of the current (I) to be measured; generating means (10, 90) for the injection current (IINJ), and means (7, 10,17,26, 90) of measuring a representative value of the mutual inductance (M2) between the secondary and tertiary circuits, and a comparison means (25) of the measured value with at least one calibrating value (M2max), a state of partial or total saturation of the shielding element which can be deducted when the measured value is less than the calibration value.
G01R 11/24 - Dispositions pour éviter ou indiquer un usage frauduleux
G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
G01R 22/10 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p. ex. compteurs d'électricité par des méthodes électroniques en utilisant des techniques numériques
15.
PROTECTION AGAINST THE FRAUDULENT OPENING OF AN APPLIANCE
The present invention relates to a device for protecting against the fraudulent opening of a housing of an appliance comprising first and second parts maintained closed with respect to one another by a fastening means which is accessible from outside the housing via an opening made in the first part, the protective device being of the type comprising a protective part maintained at the level of the opening opposite the fastening means so as to prevent access to the fastening means, characterized in that the protective part comprises an element made of a material having a melting point which is substantially identical to the melting point of an external region of the first part surrounding said opening, said element being maintained at the level of said external region by a sealing resulting from a hot deformation of said element and said external region, so as to cover the whole of said opening.
G01F 15/00 - Détails des appareils des groupes ou accessoires pour ces derniers, dans la mesure où de tels accessoires ou détails ne sont pas adaptés à ces types particuliers d'appareils, p. ex. pour l'indication à distance
brevets