A pump unit includes a drive motor (14) and a first housing (2), in which a control electronics unit (18) is arranged for operating the drive motor (14). An operating unit (20) having at least one display or operating element (26, 28, 30) can be detachably connected to the first housing in at least two different positions.
A heating installation or cooling installation mixing device has a valve housing (14) including a first flow path from a first connection (A-B) to a second connection (A), and a second flow path from the first connection (A-B) to a third connection (B). A movable valve element (24), arranged inside the valve housing (14) in the flow paths, is configured to vary a ratio of cross sections of the flow paths. A valve element drive (36) is arranged on the valve housing (14) and includes an internal control device (38) for movement control of the drive (36) and includes a first communication interface (44) for external control device (40) communication and a second communication interface (46). An internal sensor (48, 50) is arranged in or on the valve housing (14) and is connected to the first communication interface (44) for transmitting a sensor signal to the external control device (40).
G05D 11/13 - Commande du rapport des débits de plusieurs matériaux fluides ou fluents caractérisée par l'usage de moyens électriques
F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
F16K 11/087 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des robinets à boisseau à noix sphérique
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
An electric motor includes a motor housing (1) and a further housing (6), in which electrical and/or electronic components (7) are arranged. A fluid-leading channel circuit is provided for cooling these components (7) and conductively connects the inside of the motor hosing (1) to the inside of the further housing (6).
H02K 9/00 - Dispositions de refroidissement ou de ventilation
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
H02K 9/12 - Dispositions de refroidissement ou de ventilation par un agent de refroidissement gazeux circulant en circuit fermé, dont une partie est à l'extérieur de l'enveloppe de la machine dans lesquels l'agent de refroidissement circule librement à l'intérieur de l'enveloppe
H02K 9/10 - Dispositions de refroidissement ou de ventilation par un agent de refroidissement gazeux circulant en circuit fermé, dont une partie est à l'extérieur de l'enveloppe de la machine
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
The heating circulation pump includes a pump housing with a pump impeller which is arranged therein and which is driven by an electric motor whose stator housing includes a flange, which connects to the pump housing. The heating circulation pump includes a terminal box housing for at least the electric connection of the motor. The terminal box housing engages over the stator housing from the side which is away from the pump, to into the region of the flange.
A filtration membrane (4) including a porous base layer (8) arranged adjacent to a filtration layer (6) having pores (10) extending through the filtration layer (6) is provided. The filtration layer is electrically conductive and at least one compound (24, 26) is attached on the filtration layer (6), thereby providing a protective surface layer (40). The at least one compound (24, 26) is configured to be at least partially cleaved off of the filtration layer (6) by a predefined cleave-off process.
B01D 39/00 - Substance filtrante pour fluides liquides ou gazeux
B01D 39/14 - Autres substances filtrantes autoportantes
B01D 61/00 - Procédés de séparation utilisant des membranes semi-perméables, p. ex. dialyse, osmose ou ultrafiltrationAppareils, accessoires ou opérations auxiliaires, spécialement adaptés à cet effet
B01D 29/46 - Éléments filtrants à arêtes, c.-à-d. utilisant des surfaces imperméables adjacentes à éléments plats empilés
B01D 65/02 - Nettoyage ou stérilisation de membranes
B01D 65/08 - Prévention de l'encrassement de la membrane ou de la polarisation par concentration
B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation
A heating circulating pump includes a pump housing (1) containing a pump impeller driven by an electric motor. The stator thereof is arranged in a motor housing (8) connected to the pump housing (1). A terminal box (12) is arranged on the motor housing (8), for electrically connecting the motor winding and for receiving electrical and/or electronic components of the motor control system. The terminal box (12) includes at least two parts that are bonded to each other, and the terminal box (12) is designed such that it is sealed from the motor and from the surrounding environment.
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts
H02K 11/40 - Association structurelle à des dispositifs de mise à la terre
F04D 29/58 - RefroidissementChauffageRéduction du transfert de chaleur
A heat circulation pump includes a pump housing (1) with a pump impeller driven by an electric motor. The electric motor is arranged in a motor housing (8) connected to the pump housing (1). A plastic terminal box (12) is fixed to the motor housing (8) and houses electric and/or electronic components of the engine control and electrically connects the motor, a ground contact arranged on the motor housing (8), and a plug or a socket (34) arranged on the outside of the terminal box (12). The ground contact arranged on the motor housing is connected in an electrically conductive manner to a ground contact of the plug or socket (34) and to at least one conductor inside the terminal box (12). The electric connection between the ground contact arranged on the motor housing (8) and the ground contact of the plug or socket (34) is arranged outside of the terminal box (12).
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts
F04D 29/58 - RefroidissementChauffageRéduction du transfert de chaleur
A heat circulation pump includes a pump housing (1) with a pump impeller arranged therein which is arranged in a motor housing (8) which is axially flange-mounted on the pump housing (1). The heat circulation pump also includes a terminal box (12) which is axially connected to the motor housing (8) in order to house electric and/or electronic components of the engine control and for electrically connecting the motor. The terminal box (12) protrudes, radially at least in sections, from the terminal box side end of the motor housing (8) and the terminal box has, in the axial direction, a right-angled outer contour with recesses (20) in the corner areas which are arranged in the axial extension of the screws (11). The flange (10) of the motor housing (8) are fixed to the pump housing (1) by the screws.
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/12 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
A heat circulation pump includes a pump housing (1) with a pump impeller arranged therein which is driven by an electric motor arranged in a motor housing (8) which axially connects to the pump housing (1). The heat circulation pump also includes a terminal box (12) which is axially connected to the motor housing (8) in order to receive electric and/or electronic components of the engine control. A plug or socket (34) of an electric plug connection is arranged on the outside of the terminal box (12) for the electric connection. The plug or socket (34) is/are axially offset with respect to the terminal box (12) and is/are arranged adjacent to the motor housing (8).
H02K 5/12 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
A monitoring system (2) for monitoring the number and/or concentration of particles and/or micro organisms (12, 22) in a fluid (10). The monitoring system (2) generates an alarm if a predefined criterion is met. The monitoring system (2) includes a micro processer (6) which executes programmed instructions in order to identify and classify particles (12), a storage member (8), and an optical sensor member (40) having a 2-D optical sensor (4) and a light source (36). The optical sensor member (40) records an image of a part of the fluid (10) and the monitoring system (2) determines the number and/or concentration of particles (12) in the fluid (10) on the basis of the optical response of single particles (12) in a sample zone (38) in the fluid (10). The fluid (10) in the sample zone (38) is kept stationary relative to the optical sensor member (40) during the image recording.
G01N 21/94 - Recherche de souillures, p. ex. de poussières
G01N 15/02 - Recherche de la dimension ou de la distribution des dimensions des particules
G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
13.
System and method for pressure control in a network
A system and a method for controlling the pressure of a fluid in a distribution network. The network includes at least one pump station having a number of pumps that are configured to pressurize the fluid from a supply line; means for determining at least one flow value (Q) of at least a part of the distribution network and a control unit for controlling the activity and/or speed of the pump(s) of the pump station according to a predefined pump curve defining the relationship between the pressure and the flow of the fluid pressurized by the pump station. The control unit is configured to change the pump curve automatically according to at least one determined flow value (Q).
G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
F04D 13/14 - Combinaisons de plusieurs pompes les pompes étant toutes du type centrifuge
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
E03B 1/02 - Procédés ou tracés d'installations d'alimentation en eau pour alimentation publique ou alimentation d'ensemble similaire
F04D 15/02 - Arrêt de pompes ou de soupapes en cas de fonctionnement indésirable
A borehole pump system includes an immersion pump (20) and a riser (15) accommodated in the borehole (10). A water treatment system for cleaning pumped water is disposed in the riser.
F04B 47/04 - Pompes ou installations de pompage spécialement adaptées pour élever un fluide à partir d'une grande profondeur, p. ex. pompes de puits les mécanismes d'entraînement étant placés au niveau du sol les moyens d'entraînement comportant des moyens fluides
A can of a drive motor is provided for a pump assembly, wherein the can (22) is manufactured at least partly of plastic (52). At least in a part of the can (22) the plastic (52) is reinforced by individual fibers (32) distributed in the plastic (52). The fibers (32) in at least one layer (35) of the can (32) are aligned in a defined manner in the peripheral direction with respect to the longitudinal axis (Z) of the can (22). A method for manufacturing such a can is also provided.
H02K 5/02 - Enveloppes ou enceintes caractérisées par le matériau les constituant
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
B29C 45/56 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans le moule utilisant des éléments de moules mobiles pendant ou après l'injection, p. ex. pour le moulage par injection-pressage
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
B29C 70/48 - Façonnage ou imprégnation par compression pour la fabrication d'objets de longueur définie, c.-à-d. d'objets distincts utilisant des moules opposables, p. ex. pour déformer des préimprégnés [SMC] ou des "prepregs" avec une imprégnation des renforcements dans le moule fermé, p. ex. moulage par transfert de résine [RTM]
B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
16.
Dosing pump unit and method for controlling a dosing pump unit
A metering pump aggregate has a metering chamber (16), adjoined by a positive-displacement body (14) that can be moved by a positive-displacement drive (6), as well as a controller (26) for actuating the positive-displacement drive (6). The controller (26) is designed to actuate the positive-displacement drive (6) in such a way, at least for specific setpoint conveyed flows to be generated by the metering pump, that a stroke of the positive-displacement body (14) begins with a first, elevated stroke rate (n1), and is subsequently continued at a second, lower stroke rate (n2). A method for controlling such a metering pump aggregate is also provided.
F04B 49/00 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
F04B 43/00 - "Machines", pompes ou installations de pompage ayant des organes de travail flexibles
A metering pump assembly includes a metering space (6) and a displacement body (8) which is linearly movable via a conrod (10). A helical spring (20) designed as a compression spring (20) impinges the conrod (10) with a force in a movement direction. The helical spring (20) at at least one axial end (24) is designed such that in a relaxed condition an end (26) of a spring wire projects axially with respect to a connecting winding (28).
F04B 19/00 - "Machines" ou pompes ayant des caractéristiques particulières non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
F04B 1/00 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres
F04B 1/04 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres ayant des cylindres disposés en étoile ou en éventail
F04B 13/00 - Pompes spécialement modifiées pour débiter des quantités fixes ou prédéterminées
F04B 9/02 - "Machines" ou pompes à piston caractérisées par les moyens entraînants ou entraînés liés à leurs organes de travail les moyens étant mécaniques
An impeller (2) for a centrifugal pump includes a first shroud having a plurality of blades (8). A second shroud is joined onto the first shroud by way of welding. Each blade (8) has an apex region (12), at which the blade contacts the second shroud. At least one of the blades (8) in a first section (20) of the apex region (12) has a weld connection to the second shroud, and in at least one second section (14) of the apex region (12) is free of a weld connection.
A submersible pump includes an impeller (8) arranged in a pump housing (2). A seal (22) seals the impeller (8) with respect to a stationary part of the pump housing (2). The seal (22) includes a sealing ring (24) arranged on the impeller side. The sealing ring engages in a second sealing ring (26) arranged on the pump housing side. The sealing ring (26) on the pump housing side has at least one hole (28) for discharging solid particles from the impeller (8).
F04D 5/00 - Pompes avec flux circonférentiel ou transversal
F04D 29/12 - Joints d'étanchéité pour arbre utilisant des bagues
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
The electric motor has a motor housing (1) and an additional housing (6), in which electrical and/or electronic components (7) that produce heat during the operation of the motor are arranged. In order to cool said components (7), a fluid-conducting channel circuit is provided, which connects the interior of the motor housing (1) to the interior of the additional housing (6) in a conducting manner.
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 9/08 - Dispositions de refroidissement ou de ventilation par un agent de refroidissement gazeux circulant entièrement à l'intérieur de l'enveloppe de la machine
H02K 9/14 - Dispositions de refroidissement ou de ventilation dans lesquels l'agent de refroidissement gazeux circule entre l'enveloppe de la machine et une chemise extérieure
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
A metering pump unit with a metering chamber (6), a positive-displacement body that adjoins the latter and can be moved by a positive-displacement drive (22), as well as a controller (30) for actuating the positive-displacement drive (22). The controller (30) is designed to actuate the positive-displacement drive (22) at least in a specific operating state in such a way that a stroke, in particular a pressure stroke, of the positive-displacement body is started at a first, lower stroke rate, and the stroke rate is increased to a second, elevated stroke rate as the pressure stroke (36) continues. A method is provided for controlling the positive-displacement drive (22) of such a metering pump unit.
A61M 5/36 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaireAccessoires à cet effet, p. ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour éliminer l'air ou pour empêcher l'injection ou l'introduction d'air dans le corps
A61M 5/168 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p. ex. compteurs de goutte-à-goutte
The device for energy-optimization on operation of several centrifugal pumps controlled in rotational speed, in a hydraulic installation, begins firstly with determining which pumps as pilot pumps are assigned directly to a consumer and which pumps are hydraulically connected in series upstream of the pilot pumps. Thereafter, one or more energy-optimization circuits are formed, which in each case consist of one or more pilot pumps and of one or more pumps connected in series upstream, which deliver into the pilot pumps, wherein the energy-optimization circuits are selected such that the pumps connected in series upstream in each case are assigned to only one energy-optimization circuit, whereupon the energy-optimization circuits are energy-optimized with respect to the pumps.
A pump unit includes a drive motor (14) and a first housing (2), in which a control electronics unit (18) is arranged for operating the drive motor (14). An operating unit (20) having at least one display or operating element (26, 28, 30) can be detachably connected to the first housing in at least two different positions.
A toothed wheel (16) is provided with teeth, in which a cross section of a respective first section (24) of the tooth (23) has an outer contour that projects in at least one partial area of the outer contour relative to an outer contour of the adjoining second section (26) of the tooth (23), and is elastically designed and/or mounted, as well as a pump unit, in particular as a metering pump unit, with a drive having a toothed gearing with the toothed wheel.
F16H 55/18 - Dispositifs particuliers de rattrapage de jeu entre les dentures
F04B 9/02 - "Machines" ou pompes à piston caractérisées par les moyens entraînants ou entraînés liés à leurs organes de travail les moyens étant mécaniques
F04B 43/02 - "Machines", pompes ou installations de pompage ayant des organes de travail flexibles ayant des organes flexibles du genre plat, p. ex. des diaphragmes
The invention relates to a pump assembly comprising an electric drive motor (1) and a centrifugal pump (3), which is configured as a submersible pump. Said pump has a suction mouth (5) and a swirl breaker (15, 16), which is arranged upstream of the suction mouth (5) and formed by a part (14) that is fastened detachably to the pump assembly.
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 29/44 - Moyens de guidage du fluide, p. ex. diffuseurs
F04D 29/70 - Grilles d'aspirationFiltresSéparateurs de poussièreNettoyage
A filtration membrane (4) comprising a porous base layer (8) arranged adjacent to a filtration layer (6) having pores (10) extending through the filtration layer (6). The filtration layer is electrically conductive and that at least one compound (24, 26) is attached on the filtration layer (6) and hereby providing a protective surface layer (40). The at least one compound (24, 26) is configured to be at least partially cleaved off the filtration layer (6) by a predefined cleave off process.
A filtration system (2) comprising a filtration membrane (4) comprising a porous base layer (8) attached to an electrically conductive filtration layer (6) having pores (10) extending through the filtration layer (6). The filtration system (2) comprises means for attaching a compound (24, 26) on the filtration layer (6) and hereby providing a protective surface layer (40) on the filtration layer (6) or means for forming a second compound (24, 26) from a first compound (24, 26) and attaching the second compound (24, 26) on the filtration layer (6) and hereby providing a protective surface layer (40) on the filtration layer (6).
The invention provides a solar workstation for the solar energy heating system, wherein the solar energy heating system comprises a controller, a medium circulating system and a thermal insulation base. A bottom shape of the thermal insulation base matches the top shape of the thermal insulation water tank in the solar energy heating system. Various pipelines of the medium circulating system are parallel to each other and are installed on the thermal insulation base horizontally. One end of each of the first medium pipeline, the second medium pipeline and the pressure-release pipeline protrudes to the rear end surface of the thermal insulation base. A through hole is provided on the thermal insulation base at positions corresponding to the other ends of the first medium pipeline and the second medium pipeline. The solar workstation according to the invention has a compact structure, a smaller volume and an appropriate spatial arrangement. The solar workstation according to the present invention can be placed on the thermal insulation base flat, and fully utilizes the space above the thermal insulation water tank. Therefore, the solar energy heating system equipped with the solar workstation according to the invention has an appropriate overall arrangement.
F24D 3/10 - Distribution par conduits, p. ex. comportant des accumulateurs de chaleur, des vases d'expansion
F24D 19/00 - SYSTÈMES DE CHAUFFAGE DE LOCAUX DOMESTIQUES OU D'AUTRES LOCAUX, p. ex. SYSTÈMES DE CHAUFFAGE CENTRALSYSTÈMES D'ALIMENTATION EN EAU CHAUDE À USAGE DOMESTIQUELEURS ÉLÉMENTS OU PARTIES CONSTITUTIVES Détails
The present invention provides a solar workstation for a solar energy heating system, comprising a controller and a medium circulating system. The medium circulating system comprises a medium circulating pipeline composed of a first medium pipeline and a second medium pipeline, a pressure-release pipeline and a buffer pipeline communicating with the medium circulating pipeline respectively, a one-way valve and a medium pump installed in the medium circulating pipeline, an expansion tank installed in the buffer pipeline, and a relief valve installed in the pressure-release pipeline. The solar workstation further comprises a base, and all components of the medium circulating system are provided on the base integrally. The invention has a compact structure and a small size, and the overall spatial arrangement is appropriate so that the occupied space is reduced, while avoiding failure of the expansion tank due to an external force. Therefore, the solar energy heating system using the solar workstation of the invention can operate reliably.
F24D 19/00 - SYSTÈMES DE CHAUFFAGE DE LOCAUX DOMESTIQUES OU D'AUTRES LOCAUX, p. ex. SYSTÈMES DE CHAUFFAGE CENTRALSYSTÈMES D'ALIMENTATION EN EAU CHAUDE À USAGE DOMESTIQUELEURS ÉLÉMENTS OU PARTIES CONSTITUTIVES Détails
F24J 2/46 - Parties constitutives, détails ou accessoires de collecteurs de chaleur solaire
The present invention relates to a pressure boosting system (2) comprising: two or more pumps (4) each having an inlet (6) connected to an inlet manifold (30) and an outlet (8) connected to an outlet manifold (28). The line that connects an inlet (6) and its corresponding connection at the inlet manifold (30) defines an inlet line (λ1, λ2, λ3, λ4) and the line that connects an outlet (8) and its corresponding connection at the outlet manifold (28) defines an outlet line (ω1, ω2, ω3, ω4). At least two of the inlet lines (λ1, λ2, λ3, λ4) are angled relative to each other, wherein the at least two of the inlet lines (λ1, λ2, λ3, λ4) are non-parallel to each other, and/or at least two of the outlet lines (ω1, ω2, ω3, ω4) are angled relative to each other, wherein the at least two of the outlet lines (ω1, ω2, ω3, ω4) are non-parallel to each other. By this arrangement, the pressure boosting system can be very compact.
F04B 23/06 - Combinaisons de plusieurs pompes les pompes étant toutes du type à déplacement positif alternatif
F04B 25/00 - Pompes multiétagées spécialement adaptées aux fluides compressibles
F04B 43/02 - "Machines", pompes ou installations de pompage ayant des organes de travail flexibles ayant des organes flexibles du genre plat, p. ex. des diaphragmes
F04B 53/22 - Dispositions pour l'assemblage ou le démontage rapide
The present invention relates to a manifold system (26) for a pressure boosting system (2). The manifold system (26) comprises a manifold (30, 28) having a manifold space (58) configured to receive a fluid; a main connection pipe (46, 48) configured to connect the manifold space 5 (58) to a main pipe;and a number of connection pipes (36, 38) each configured to connect the manifold space (58) to a pump (4). At least some of the connection pipes (36, 38) of the manifold (28, 30) are angled relative to each other, wherein the at least some of the connection pipes (36, 38) are non-parallel to each other.
F04B 53/16 - Carcasses d'enveloppeCylindresChemises de cylindre ou culassesConnexions des tubulures pour fluide
E03B 5/02 - Utilisation des installations de pompageLeurs schémas de montage dans des bâtiments
F04C 11/00 - Combinaisons de plusieurs "machines" ou pompes, chacune d'elles étant du type à piston rotatif ou oscillantInstallations de pompage
F04D 13/14 - Combinaisons de plusieurs pompes les pompes étant toutes du type centrifuge
F04D 29/40 - Carters d'enveloppeTubulures pour le fluide énergétique
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
A rotor (2) for an electric motor, which rotor (2) comprises a plurality of laminated rotor sheets (4) arranged in layers and each provided with slots (6, 10); a number of permanent magnets (8) arranged within magnet slots (10) in the laminated rotor sheets (4), where an end area (16) of each magnet slot (10) is a magnet free area. The rotor (2) also comprises a plurality of rotor bars (14) arranged in rotor bar slots (6) and a rotor sheet band (22) provided between the end area (16) and the adjacent rotor bar slot (6). At least one notch (28, 29) extending from the edge (21) of the rotor bar slot (6) and/or from the edge (21 ') of the end area (16) divides the rotor sheet band (22) into a first area (24) and a second area (26). The smallest width (D1) of the first area (24) is smaller than the smallest width (D2) of the second area (26).
A rotor (2) for an electric motor, which rotor (2) comprises a plurality of laminated rotor sheets (4) arranged in layers and each provided with slots (6, 10), a number of permanent magnets (8) arranged within magnet slots (10) in the laminated rotor sheets (4), where an end area (16) of each magnet slot (10) is a magnet free area. The rotor (2) comprises a plurality of rotor bars (14) arranged in rotor bar slots (6) and a rotor sheet band (22) provided between the end area (16) and the adjacent rotor bar slot (6). For each rotor sheet (4) the part of the end area (16) that faces an adjacent rotor bar slot (6) and/or the part of a rotor bar slot (6) that faces an adjacent end area (16) comprises a side (18, 20) or a section of said side (18, 20) where the distance to the centre of the rotor sheet (4) is essentially constant.
A heating circulation pump has a pump housing (1) with a pump rotor (4) arranged therein, which pump rotor (4) is driven by an electric motor (6, 7), the stator housing (8) of which has a flange which connects to the pump housing (1). The heating circulation pump has a terminal box housing (15) for the electrical connection of the motor (6, 7). The terminal box housing (15) engages over the stator housing (8), from the side facing away from the pump, into the region of the flange.
The invention relates to a heat circulation pump comprising a pump housing (1) with a pump impeller arranged therein which is arranged in a motor housing (8) which is axially flange-mounted on the pump housing (1). Said heat circulation pump also comprises a terminal box (12) which is axially connected to the motor housing (8) in order to house electric and/or electronic components of the engine control and for electrically connecting the motor. Said terminal box (12) protrudes, radially at least in sections, from the terminal box side end of the motor housing (8) and said terminal box has, in the axial direction, a right-angled outer contour with recesses (20) in the corner areas which are arranged in the axial extension of the screws (11), the flange (10) of the motor housing (8) being fixed to the pump housing (1) by means of said screws.
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
The invention relates to a heating circulating pump comprising: a pump housing (1) containing a pump impeller driven by an electric motor, the stator thereof being arranged in a motor housing (8) connected to the pump housing (1); and a terminal box (12) arranged on the motor housing (8), for electrically connecting the motor winding and for receiving electrical and/or electronic components of the motor control system. The terminal box (12) consists of at least two parts that are bonded to each other, and it (12) is designed such that it is sealed from the motor and from the surrounding environment.
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
The invention relates to a heat circulation pump comprising a pump housing (1) with a pump impeller arranged therein which is driven by an electric motor. Said electric motor is arranged in a motor housing (8) connected to the pump housing (1). Said heat circulation pump also comprises a plastic terminal box (12) which is fixed to the motor housing (8) and which houses electric and/or electronic components of the engine control and is provided to electrically connect the motor, a ground contact arranged on the motor housing (8), and a plug and or a socket (34) of an electric plug for the electric connection which is arranged on the outside of the terminal box (12). Said ground contact is connected in an electrically conductive manner to a ground contact of the plug or socket (34) and to at least one conductor inside the terminal box (12). The electric connection between the ground contact arranged on the motor housing (8) and the ground contact of the plug or socket (34) is arranged outside of the terminal box (12).
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
The invention relates to a heat circulation pump comprising a pump housing (1) with a pump impeller arranged therein which is driven by an electric motor arranged in a motor housing (8) which axially connects to the pump housing (1). Said heat circulation pump also comprises a terminal box (12) which is axially connected to the motor housing (8) in order to receive electric and/or electronic components of the engine control, also comprising a plug or socket (34) of an electric plug connection arranged on the outside of the terminal box (12) for the electric connection. The plug or socket (34) is/are axially offset with respect to the terminal box (12) and is/are arranged adjacent to the motor housing (8).
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
An immersion pump assembly includes an electric drive motor and a control device (14) for controlling the drive motor, which are configured for dipping into a liquid (18) to be conveyed. An external display device (26) and/or an external communications device are/is configured for arrangement outside the liquid (18) to be conveyed and are/is connected to the control device (14) for signal transmission.
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
F04D 15/02 - Arrêt de pompes ou de soupapes en cas de fonctionnement indésirable
40.
SYSTEM AND METHOD FOR PRESSURE CONTROL IN A NETWORK
A system and a method for controlling the pressure of a fluid in a distribution network (2). The network comprises at least one pump station (4) having a number of pumps (6) that are configured to pressurise the fluid from a supply line (8); means (10) for determining at least one flow value (Q) of at least a part of the distribution network (2) and a control unit for controlling the activity and/or speed of the pump(s) (6) of the pump station (4) according to a predefined pump curve (20) defining the relationship between the pressure (22) and the flow (24) of the fluid pressurised by the pump station (4). The control unit is configured to change the pump curve (20) automatically according to at least one determined flow value (Q).
An impeller (2) for a pump is designed as a casting and includes at least one blade (4). The impeller (2), when casting, is molded by way of at least two core parts (14, 16). Partition lines (26, 28) between the at least two core parts (14, 16) are distanced to an end-edge (10) of the at least one blade. The end-edge is at a front in a flow direction (S).
The present invention relates to a monitoring system (2) for monitoring the number and/or concentration of particles and/or micro organisms (12, 22) in a fluid (10). The monitoring system (2) is configured to generate an alarm if a predefined criterion is meet. The monitoring system (2) comprises a micro processor (6) configured to execute programmed instructions in order to identify and classify particles (12); storage means (8) and an optical sensor member (40) comprising: a 2-d optical sensor (4) and a light source (36). The optical sensor member (40) is configured to record at least one image of at least a part of the fluid (10) and the monitoring system (2) is configured to determine the number and/or concentration of particles (12) in the fluid (10) on the basis of the optical response of single particles (12) in a sample zone (38) in the fluid (10). The fluid (10) in the sample zone (38) is kept stationary relative to the optical sensor member (40) during the recording of an image.
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
G01N 35/00 - Analyse automatique non limitée à des procédés ou à des matériaux spécifiés dans un seul des groupes Manipulation de matériaux à cet effet
A rotor can for a wet running electric motor includes an inner layer (2) made from a thermoplastic material which is at least partly surrounded by a supporting layer (4) in form of a thermoplastic tape layer attached to the outside of the inner layer (2).
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
44.
Method for determining characteristic values, particularly of parameters, of a centrifugal pump aggregate driven by an electric motor and integrated in a system
A method for determining characteristic values of an electrometrically driven centrifugal pump assembly with a speed controller, said assembly being integrated in an installation, includes determining characteristic values by way of electrical variables of the motor and of the pressure produced by the pump, with which one successively runs to at least two different operating points of the pump. Delivery rates are determined in the installation at the run-to operating points, and the characteristic values are determined based on the delivery rates.
G01F 1/34 - 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 utilisant des effets mécaniques en mesurant la pression ou la différence de pression
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
The invention relates to a filter stack for a filter pump, comprising at least two filter plates (2) axially spaced apart from each other. Said filter plates (2) comprise at least one penetration (6) for receiving a filtrate draw-off pipe (8). The filter stack is designed as an assembly unit, wherein the filter plates (2) and the filtrate draw-off pipe (8) are rigidly connected to each other.
B01D 29/11 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants en forme de sac, de cage, de tuyau, de tube, de manchon ou analogue
A grinder unit (2) includes an electrical grinder motor (20), a current sensing device for measuring the current (32) used by the grinder motor (20), and a control device (16) for controlling the activity of the grinder motor (20). The control device (16) is configured to change the activity of the grinder motor (20) on the basis of the measured current (32) of the grinder motor (20).
A centrifugal pump having at least one impeller (32), a pump housing and an electrical motor. The pump has a Q-H pump curve (4) having a head H0 (28) at zero flow and a head Href (30) corresponding to the highest hydraulic power and that Href (30) is greater than H0 (28). The pump has low energy consumption rate, especially at low flow corresponding to the conditions in which the pump is operated most of the time. Thus, the pump according to the invention is less energy consuming than the prior art centrifugal pumps.
A pumping system (1) comprising a pump (2) having an electrical drive motor (4) and a control unit (6) configured to control the speed of the electrical drive motor (4). The control unit (6) is configured to receive position information data (8) and/or to process position information data (8) on the basis of received data (24). The control unit (6) is adapted to control the pump (2) on the basis of the received or processed position in- formation data (8).
The invention relates to a service water heating unit (2) comprising at least one heat exchanger (6), which comprises a first flow path (10) for a heating medium and a second flow path (12) for service water to be heated, a cold water line (DCW) and a circulation line (90) for heated service water opening into a junction (97) in an inlet line to the second flow path (12) of the heat exchanger (6), and comprising a control unit (101) for controlling the heating of service water, the control unit (101) being designed for detection of a service water request, wherein the control unit (101) is designed for evaluation of the output signal of a temperature sensor (96) which is arranged in the vicinity of the junction (97), but at a distance therefrom, in the cold water line (DCW).
A heat exchanger unit is utilized for heating service water in a heating installation. The unit includes a plate heat exchanger a first connector, attached to a first fluid connection point of the heat exchanger, and a second connector, fastened to the heat exchanger. The first and second connectors each include at least one base element. The base element of the first connector and the base element of the second connector have an identical configuration. Each base element includes at least two distinct flow ducts.
F28F 27/00 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur
F24D 3/10 - Distribution par conduits, p. ex. comportant des accumulateurs de chaleur, des vases d'expansion
F24H 9/14 - Raccordement de sections différentes, p. ex. dans les chauffe-eau
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28F 9/02 - Boîtes de distributionPlaques d'extrémité
The invention relates to a dosing pump unit having a dosing chamber (6) and having a displacement body (8) which can be moved linearly by means of a connecting rod (10), wherein a helical spring (20) designed as a compression spring (20) is provided which loads the connecting rod (10) with a force in a movement direction, wherein the helical spring (20) is formed, at at least one axial end (24), such that in the relaxed state, the end (26) of the spring wire projects axially in relation to the adjoining winding (28).
F04B 13/00 - Pompes spécialement modifiées pour débiter des quantités fixes ou prédéterminées
F04B 1/04 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres ayant des cylindres disposés en étoile ou en éventail
F04B 49/02 - Commande d'arrêt, de démarrage, de décharge ou de ralenti
A housing unit (22) for a heating device with two heating circuits, one for space heating and another for service water heating, includes a pump housing (23) for a recirculation pump (8). The housing unit (22) encompasses a switching valve for switching the heating circuits, and in its rear installation position exhibits at least one port to directly connect a plate heat exchanger (6) for heating service water. An opening (29) for the return of the space heater is arranged on one side of the housing unit. The housing unit incorporates an inlet chamber (28), which is adjoined by the inlet mouth (26) of the pump (8), and into which two channels empty, of which one or the other can be optionally closed by a valve body (32), and of which one channel leads to the line port (30) for the return, and the other channel leads to a port of the plate heat exchanger (6).
An electric motor includes a housing and at least one heat pipe for dissipating heat is integrated in the housing. Substantially all functional elements of the motor are disposed in the housing.
H02K 5/18 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des nervures ou des ailettes pour améliorer la transmission de la chaleur
H02K 9/20 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile dans lesquels l'agent de refroidissement se vaporise dans l'enveloppe de la machine
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
F28D 15/04 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs avec des tubes ayant une structure capillaire
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
The invention relates to a rotor including a magnetic material. At least one surface section of the magnetic material is provided with a wear-resistant coating.
An irrigation device includes a pipe conduit (2) which is connectable to a water source. An irrigation arm (10) is arranged at an end of the pipe conduit (2) which is away from the water source. The irrigation device also includes at least one pump (24) for delivering water from the water source to at least one sprinkler (22) formed on the irrigation arm (10). The at least one pump (24) is arranged within a connection conduit from the water source to the sprinkler (22). The connection conduit is formed by the pipe conduit (2) and the irrigation arm (10).
A method is provided for degassing a transport chamber (1) of a metering pump. The method is based on performing impulse generation, wherein gas bubbles arising from the gas-forming fluid and adhering to the inner surfaces in the transport chamber (1) are released from the surfaces, wherein the gas bubbles (4.4′, 8.8′) present in the transport chamber (1) accumulate, perform a motion (c) in the direction of the pressure valve (6), and form an accumulated gas bubble (7) on the transport chamber side of the pressure valve (6). An increase in pressure causes the accumulated gas bubble present at the pressure valve (6) to escape from the transport chamber (1) as discharged gas bubbles (7′) into the pressure line. A metering pump having a device present in the transport chamber for performing the impulse generation is also provided.
A pump assembly with a motor housing (4) and with a terminal box (6) which includes at least one peripheral section (10) situated on the outer periphery of the motor housing (4). A cover (12) is provided, which in each case at least partly covers the motor housing (4) and the peripheral section (10) of the terminal box (6) on an axial end-side. The cover (12) is designed in a heat-conducting manner and at an inner side thereof is in contact with at least one electronic complement (14).
A permanent magnet, in particular a permanent magnet rotor for a machine, includes a first sleeve, a first cap and a second cap arranged to close off an inner opening of the first sleeve, and a permanent magnet material formed in the inner opening of the sleeve between the first cap and the second cap. The permanent magnet material is a compressed, non-bonded powder material including hard magnetic powder material, soft magnetic powder material, or a combination of hard and soft magnetic powder material. A method for manufacturing a permanent magnet rotor is also provided.
A pump assembly with a rotatable rotor shaft (10), wherein the rotor shaft (10) includes at least one axial bearing (36, 40) and a radial bearing (30, 32), which are integrated into a common bearing assembly (16).
An immersion motor includes a housing (3) having a wall (4) with a watertight cable penetration (5, 6; 5, 6′). The cable penetration includes an inlet (5) in the wall (4) for a cable (25) and a sealing collar (6; 6′) that can be released from the inlet (5) having a penetration (20) for the cable (25). The sealing collar (6; 6′) includes a first seal (45; 45′) disposed on the penetration (20) and means for applying force (75, 85, 90) to the first seal (45; 45′), which is designed for permanently applying force to the first seal (45; 45′) radially in the penetration (20). The cable penetration (5, 6; 5, 6′) further includes means for releasably attaching (35, 40) the sealing collar (6; 6′) to the inlet (5). At least one second seal (120, 125) is provided between the sealing collar (6; 6′) and the inlet (5).
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
The invention relates to a dosing pump unit comprising a dosing chamber (16), a displacer (14) adjoining said chamber and being displaced by a displacement drive (6) and a control device (26) for controlling the displacement drive (6). The control device (26) is designed such that it controls the displacement drive (6) at least for certain target delivery flows to be generated by the dosing pump such that a stroke of the displacer (14) is started with a first increased stroke speed (n1) and is then continued with a second lower stroke speed (n2). The invention further relates to a method for controlling said dosing pump unit.
The invention relates to a dosing pump comprising a dosing chamber (14), a suction channel (32) communicating with the dosing chamber (14) and a pressure channel (20) communicating with the dosing chamber (14), means for popping gas bubbles being arranged in the suction channel.
Dosing pump unit comprising a dosing chamber (6), a displacer limiting said chamber and being displaced by a displacement drive (22) and a control device (30) for controlling the displacement drive. The control device is designed such that, in at least one operating state, it controls the displacement drive such that a stroke, especially a delivery stroke is started with a first low stroke speed and that the stroke speed is increased to a second higher stroke speed in the further course of the stroke (36). The invention further relates to a method for controlling the displacement drive of said dosing pump unit.
The invention relates to a gear wheel (16) which is characterized by a gear wheel (16) having teeth (16), a first respective section (24) of the tooth (23) having an outer contour, when seen in the cross-section, that projects in at least one subsection of the outer contour as compared to an outer contour of an adjoining second section (26) of the tooth (23) and is resilient and/or is resiliently mounted. The invention further relates to a pump unit comprising a drive which has a gear mechanism having said gear wheel.
The method for optimizing energy during the operation of a plurality of speed-controllable centrifugal pumps in a hydraulic system first begins with determining which pumps are directly assigned to a load as pilot pumps and which pumps are hydraulically connected upstream of the pilot pumps. Subsequently, one or more energy optimization circuits are formed, each consisting of one or more pilot pumps or one or more upstream pumps that deliver to the pilot pumps, wherein the energy optimization circuits are selected such that upstream pumps are respectively assigned to only one energy optimization circuit. Thus, the energy optimization circuits are energy-optimized with respect to the pumps.
A centrifugal pump assembly with at least one impeller (8) and with a thrust bearing (44) which includes a rotating (50) and a stationary (48) bearing part. The rotating (50) as well as the stationary (48) bearing part are designed in a self-aligning manner.
The invention relates to a pump unit, comprising a drive motor (14) and a first housing (2), in which a control electronics unit (18) is arranged for operating the drive motor (14), wherein an operating unit (20) having at least one display or operating element (26, 28, 30) can be detachably connected to the first housing in at least two different positions.
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
b) swirl generator, upon engagement, are arranged to create a circular flow pattern for the first and the second fluid, respectively, by rotating motion (RA1, RA2). The invention is advantageous by obtaining FO device that is capable of reducing the concentration polarization (CP) near the membrane by creating a cross flow velocity over the membrane and facilitate control of the cross flow velocity independent of the through flow of the membrane. The external concentration polarization can thereby be controlled and further reduced.
A method for determining the functional relationship of several pumps which are controllable in their rotational speed, in a hydraulic installation. At least one pump is activated with a changed rotational speed, and at least one functional relationship of the installation is determined from the hydraulic reactions. With a suitable selection of the control and detection of the hydraulic changes, one may determine the functional relationship of the complete installation.
The invention relates to a deep-well pump system, comprising an immersion pump (20) and a riser (15) to be accommodated in the well, wherein a water treatment system for cleaning the pumped water is arranged in the riser (15).
F04B 47/04 - Pompes ou installations de pompage spécialement adaptées pour élever un fluide à partir d'une grande profondeur, p. ex. pompes de puits les mécanismes d'entraînement étant placés au niveau du sol les moyens d'entraînement comportant des moyens fluides
E21B 37/08 - Nettoyage sur place des filtres de fond de trou, des tamis, ou des filtres à gravier
E03B 3/15 - Maintien des puits en bon état, p. ex. par nettoyage, réparation, remise en étatMaintien ou accroissement de la capacité des puits ou des couches aquifères
F04B 47/00 - Pompes ou installations de pompage spécialement adaptées pour élever un fluide à partir d'une grande profondeur, p. ex. pompes de puits
The invention relates to a test cell for visually testing a fluid flowing in a pipe (2), having a testing chamber (12; 38) which comprises a connection (8) to be connected to the pipe (2) and at least one viewing window (22) in at least one outer wall, and also to a fluid testing system having such a test cell.
The invention relates to a submersible pump comprising an impeller (8) arranged in a pump housing (2). A seal (22) seals the impeller (8) with respect to a stationary part of the pump housing (2). Said seal (22) comprises a sealing ring (24) arranged on the impeller side. Said sealing ring engages in a second sealing ring (26) arranged on the pump housing side. The sealing ring (26) on the pump housing side has at least one hole (28) for discharging solid particles from the impeller (8).
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 29/16 - Joints d'étanchéité entre le côté du refoulement et celui de l'aspiration
73.
Terminal box for electrical connection to an electric motor
A terminal box for electrical connection to an electric motor, in particular to a circulating pump, includes at least one housing part, designed as a cast plastic part, and an operating switch wherein the operating switch is arranged on the housing part, wherein at least one fixed electrical switch contact of the operating switch is embedded in the housing part. The pump aggregate features one such terminal box.
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
H02B 7/00 - Postes de transformation d'intérieur, p. ex. postes de transformation compacts
H02B 1/04 - Montage sur ces dispositifs d'interrupteurs ou d'autres dispositifs en général, l'interrupteur ou le dispositif étant muni ou non d'une enveloppe
H02B 1/26 - EnveloppesLeurs parties constitutives ou accessoires à cet effet
H05K 7/00 - Détails de construction communs à différents types d'appareils électriques
H01H 67/06 - Commutateurs rotatifs, c.-à-d. comprenant des frotteurs à mouvement angulaire
H01H 1/36 - Contacts caractérisés par la manière dont les contacts coopérants s'engagent par glissement
H01H 19/11 - Organes mobilesContacts montés sur ces organes avec des moyens de repérage
H01H 19/14 - Organes moteurs, p. ex. bouton rotatif
74.
Terminal box for the electric connection to an electric motor
A terminal box (45) for electrical connection to an electric motor (32), in particular of a circulation pump (10), includes at least one wall (215) and at least one circuit board (145), wherein the terminal box (45) on the wall (215) includes at least one electrical contact (220) for connection to the circuit board (145), said contact designed as a clamping element (220) for releasably clamping the circuit board (145) which is orientated with its flat sides (150, 152) perpendicularly to this wall (215). A terminal box system includes at least two different circuit boards (145, 145′) selectively insertable into the at least one clamping element (220) of the terminal box (45) and/or at least two different covers (105, 105′) selectively connectable to a housing part (100) of the terminal box (45). A pump assembly (5) includes such a terminal box (45) or such a terminal box system.
H05K 7/02 - Dispositions de composants de circuits ou du câblage sur une structure de support
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti
H05K 5/00 - Enveloppes, coffrets ou tiroirs pour appareils électriques
The inventive rotational direction indicator for an electric motor having a cooling fan has a baffle element movable between two positions and which can be arranged on an electric motor with a cooling fan in such a way that the baffle element is positioned in an airstream of the cooling fan whose direction depends on the rotational direction of the electric motor. The baffle element is respectively moved into one of its two positions by the electric motor as a function of the direction of the airstream. The rotational direction indicator has a display unit designed to visually indicate the position of the baffle element and can be arranged on an outer side of the electric motor. The rotational direction indicator has a display actuating unit which connects the display unit and baffle element to one another, and transmits the position of the baffle element to the display unit.
F04B 49/00 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
G01F 1/28 - 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 utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement par débitmètre à force d'entraînement, p. ex. du type à palette ou à poussée
F04D 29/58 - RefroidissementChauffageRéduction du transfert de chaleur
The invention relates to an immersion pump assembly having an electric drive motor and a control device (14) for controlling the drive motor, which are configured for dipping into a liquid (18) to be conveyed, having an external display device (26) and/or an external communications device which are/is configured for arrangement outside the liquid (18) to be conveyed and are/is connected to the control device (14) for signal transmission.
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
F04D 15/02 - Arrêt de pompes ou de soupapes en cas de fonctionnement indésirable
The invention relates to a centrifugal pump assembly with an electric drive motor and with a control device having a frequency converter, for the control of the rotational speed of the drive motor, wherein the control device is designed in a manner such that in at least one control region, a field weakening is produced in the drive motor, by way of which the rotational speed of the drive motor is increased.
F04B 17/00 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci
The invention refers to a rotor can for a wet running electric motor wherein the rotor can comprises an inner layer (2) made from a thermoplastic material which is at least partly surrounded by a supporting layer (4) in form of a thermoplastic tape layer attached to the outside of the inner layer (2) and a pump unit comprising an electric wet running motor with such a rotor can.
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
A bearing arrangement of a shaft (2) is provided with which an annular bearing sleeve (4) is applied onto the shaft (2). At least in the axial region in which the bearing sleeve (4) is arranged, the shaft (2) includes a profiling extending parallel to its longitudinal axis (X). A corresponding engagement element (12) on the inner periphery of the bearing element (4) engages the profiling with a positive fit. At least one engagement element (12) extends in the direction of the longitudinal axis (X) of the shaft (2) only over a part of the length of the bearing sleeve (4).
A frequency converter includes a housing, which is designed and envisaged for the peripheral assembly on an electric motor. The base of the housing is provided in the middle region on the outside with longitudinal ribs and is connected to heat-producing components of the power circuit of the frequency converter, is provided in outer regions with cooling ribs which are arranged on the outside transversely or obliquely to the longitudinal ribs, and on the inside is connected in a heat-conducting manner to heat-producing components of the input circuit and/or output circuit.
The invention relates to a sensor for switching a pump on and/or off, with at least one first and a second electrode, which form a capacitance which may be influenced by way of the fluid to be delivered, and with evaluation electronics connected to the electrodes, wherein the evaluation electronics has a voltage supply which is connected to the first electrode and which is designed for providing short voltage pulses for charging the first electrode, and comprises an evaluation circuit which is designed in a manner such that during a voltage increase on charging and/or a voltage reduction on discharging the electrode, it detects the current between the electrodes and emits a switch-on signal and/or switch-off signal depending on the detected current, as well as to a pump with such a sensor.
A method serves for starting a polyphase electric motor which is operated in a star connection. The method conductively bridges at least one winding part of a phase of the motor and electrically disconnects the bridged winding part, in order in this manner, to supply a higher voltage to the remaining, electrically effective windings, and thus to increase the flow of current and thus the torque.
A pressure exchanger for transmitting pressure energy from a first fluid flow to a second fluid flow includes a housing having an entry and an exit for the first fluid flow and an entry and an exit for the second fluid flow. A rotor arranged in the housing includes a multitude of channels which extend radially distanced to a rotation axis of the rotor. The rotor is arranged to the entries and exits in a manner such that the channels, on rotation of the rotor, in each case in an alternating manner, connect the entry for the first fluid flow to the exit for the second fluid flow, and the entry for the second fluid flow to the exit for the first fluid flow, and with a drive motor via which the rotor may be driven in rotation, and with setting means for changing the rotational speed of the rotor.
A can of a drive motor is provided for a pump assembly, wherein the can (22) is manufactured at least partly of plastic (52). At least in a part of the can (22) the plastic (52) is reinforced by individual fibers (32) distributed in the plastic (52). The fibers (32) in at least one layer (35) of the can (32) are aligned in a defined manner in the peripheral direction with respect to the longitudinal axis (Z) of the can (22). A method for manufacturing such a can is also provided.
H02K 5/02 - Enveloppes ou enceintes caractérisées par le matériau les constituant
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
B29C 45/56 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans le moule utilisant des éléments de moules mobiles pendant ou après l'injection, p. ex. pour le moulage par injection-pressage
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
B29C 70/48 - Façonnage ou imprégnation par compression pour la fabrication d'objets de longueur définie, c.-à-d. d'objets distincts utilisant des moules opposables, p. ex. pour déformer des préimprégnés [SMC] ou des "prepregs" avec une imprégnation des renforcements dans le moule fermé, p. ex. moulage par transfert de résine [RTM]
85.
METHOD FOR DETERMINING CHARACTERISTIC VALUES, PARTICULARLY OF PARAMETERS, OF A CENTRIFUGAL PUMP AGGREGATE DRIVEN BY AN ELECTRIC MOTOR AND INTEGRATED IN A SYSTEM
The invention relates to a method for determining characteristic value of a centrifugal pump aggregate driven by an electric motor and integrated in a system, having a rotational speed controller using electrical parameters of the motor and the pressure generated by the pump, wherein at least two different operating points of the pump are set successively, wherein the delivered amounts are determined on the system side at the set operating points, and the characteristic values are thereby determined.
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
G01F 1/00 - 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
G01F 23/14 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p. ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme par mesurage de la pression
A rotor (2) provided for a canned motor of a wet-running centrifugal pump forms the shaft for the drive of the impeller (7) and includes at least one permanent magnet (12) which is encapsulated in a fluid-tight manner. The peripheral part of the encapsulation in the region of the at least one permanent magnet (12) forms the rotor shaft.
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02K 1/28 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F01C 1/10 - "Machines" ou machines motrices à piston rotatif d'un type à engrènement extérieur, c.-à-d. avec engrènement des organes coopérants semblable à celui d'engrenages dentés d'un type à axe interne dans lequel l'organe externe a plus de dents ou de parties équivalentes de prise, p. ex. de galets, que l'organe interne
A method for testing a primary memory of control and regulation electronics of a frequency converter is described. The primary memory includes (i) at least one matrix of memory cells, (ii) means for addressing the at least one memory cell matrix, and (iii) a write/read circuit The method includes examining at least a part of the means for addressing with regard to address errors and examining at least a part of the memory cells with regard to cell errors. The examining steps are performed independently of one another. The examining at least a part of the means for addressing includes examining individual address bits of an n-bit wide address bus in steps that are performed independently of one another. The examining is dependent on use of the primary memory for operation of the frequency converter.
A magnetic drive arrangement includes a multitude of permanent magnets (13) which are arranged along the periphery of a housing wall (15), wherein the magnets (13) are held with a non-positive fit by the housing wall (15) and bear on this. The manufacturing effort is simplified by way of the above-identified arrangement. One may advantageously apply parallelepiped magnets (13) as well.
With the multi-stage centrifugal pump assembly, the connection between the motor shaft (7) and the pump shaft (9) is effected by way of a thread (26, 27), which joins the fits (31, 34) lying therebehind, between a pocket hole bore (24) in the pump-side end of the motor shaft (7) and the motor-side end of the pump shaft (9). Thereby, a transition fit (32) is provided in the region of the bearing (11), and a press fit 34 in the free region therebehind.
An axial face seal (13), which seals a pump housing in the region of the pump shaft (12), is constructed in an axially compact manner. Spring holders (24, 25), which transmit the required pressing force of a compression spring (23), are connected to one another with a positive fit in a rotation direction, and hold a rotating axial face seal ring (19) in a rotationally fixed manner to the pump shaft (12). The spring holders (24, 25) are compact and enclose an abutment ring (33) for pump impellers as well as the compression spring (23). A motor-side spring (24) engages over the rotating axial face seal ring (19), by which an axially extremely short constructional length is achieved.
A multi-stage centrifugal pump assembly which is manufactured in the same construction type with cast components on the one hand, and with a stainless steel lining formed of sheet metal on the other hand, includes a bearing carrier (13) which is designed and suitable for the connection of a cast housing component (12) as well as for receiving a sheet metal lining made of stainless steel.
The impeller for a centrifugal pump includes a carrier disk and possibly a shroud. The blades of the impeller are identical, but are arranged in pairs such that impellers of different hydraulic characteristics are formed with blades of the same shape.
The invention relates to a pump aggregate having a pump housing (2) comprising a fluid inlet (6) and a fluid outlet (8) for a fluid to be delivered, and a stator housing (4) connected to the pump housing (2), wherein at least one cooling channel (12) formed in a wall of the stator housing (4) is connected to cooling channels (22, 24) in the pump housing (2) connected to the fluid inlet (6) and the fluid outlet (8), so that the fluid flows through the at least one cooling channel due to the pressure difference between the fluid inlet (6) and the fluid outlet (8).
The invention relates to a slide ring seal (2) having at least one first fixed sealing element (4) and one second sealing element (6) rotating together with a shaft, wherein at least one of the sealing elements (4, 6) comprises a sealing surface (22, 24) formed of a carrier layer (26) structured on the surface and a top layer (30) comprising diamonds applied to the carrier layer (26) such that the surface of the top layer (30) is structured correspondingly to the structure of the carrier layer (26), and to a method for producing such a slide ring seal (2).
F16J 15/34 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par bague glissante pressée contre la face plus ou moins radiale d'une des deux parties
The invention relates to a rotor (2) made of magnetic material, wherein at least one surface section of the magnetic material is provided with a wear-resistant coating (18, 20, 22).
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02K 1/02 - Détails du circuit magnétique caractérisés par le matériau magnétique
H02K 7/08 - Association structurelle avec des paliers
H02K 5/12 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz
97.
METHOD FOR INJECTION MOLDING A PUMP IMPELLER AND PUMP IMPELLER
The invention relates to a method for injection molding a pump impeller (1) made of plastic, wherein the cores that define the flow channels (8) inside the impeller (1) are each formed of at least two core parts (26, 30). After injection molding, a first core part (26) is withdrawn from the flow channel (8) and before or during the withdrawal of a second core part (30), an additional relative movement between the impeller (1) and core part (30) takes place in a direction transversal to the drawing direction of the second core part (30).
B29C 45/44 - Démoulage ou éjection des objets formés d'objets à contre-dépouille
B29L 31/08 - Pales pour rotors, stators, ventilateurs, turbines ou dispositifs analogues, p. ex. hélices
B22D 17/22 - Moules métalliquesPlaques de moulesSupports de moulesÉquipement de refroidissement des moulesAccessoires pour l'extraction et l'éjection des pièces hors du moule
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
98.
METHOD AND DEVICE FOR DEGASSING THE TRANSPORT CHAMBER OF A METERING PUMP
The invention relates to a method for degassing a transport chamber (1) of a metering pump, comprising performing impulse generation, wherein gas bubbles arising from the gas-forming fluid and adhering to the inner surfaces in the transport chamber (1) are released from said surfaces, wherein the gas bubbles (4,4', 8,8') present in the transport chamber (1) accumulate, perform a motion (c) in the direction of the pressure valve (6), and form an accumulated gas bubble (7) on the transport chamber side of the pressure valve (6). An increase in pressure causes the accumulated gas bubble present at the pressure valve (6) to escape from the transport chamber (1) as discharge gas bubbles (7') into the pressure line. The invention further relates to a metering pump comprising a device present in the transport chamber for performing the impulse generation.
The present invention relates to a permanent magnet and in particular to permanent magnet rotor for a machine comprising a first sleeve, a first cap and a second cap arranged to close off an inner opening of said first sleeve, a permanent magnet formed in said inner opening of the sleeve between the first cap and the second cap and including a compressed non-bonded powder material comprising hard magnetic powder material, soft magnetic powder material or a combination of hard and soft magnetic powder material The invention also relates to a method for manufacturing a permanent magnet rotor.
H02K 1/28 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor
H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
B22F 7/08 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés avec une ou plusieurs parties non faites à partir de poudre
100.
A PERMANENT MAGNET ROTOR FOR A MACHINE, A METHOD FOR MANUFACTURING A PERMANENT MAGNET ROTOR AND A MANUFACTURING SYSTEM
The present invention relates to a permanent magnet rotor for a machine comprising a first sleeve, a first cap and a second cap arranged to close off an inner opening of said first sleeve, a permanent magnet formed in said inner opening of the sleeve between the first cap and the second cap and including a compressed non-bonded powder material comprising hard magnetic powder material, soft magnetic powder material or a combination of hard and soft magnetic powder material The invention also relates to a method for manufacturing a permanent magnet rotor and a manufacturing system.
H02K 1/28 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor
H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
B22F 7/08 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés avec une ou plusieurs parties non faites à partir de poudre
