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公开(公告)号：US20230032787A1
公开(公告)日：2023-02-02
申请号：US17781910
申请日：2020-12-03
Applicant: Haldor Topsøe A/S , Grundfos Holding A/S
Inventor： Peter Mølgaard MORTENSEN , Kasper Emil LARSEN , Kim AASBERG-PETERSEN , Sebastian Thor WISMANN , Alexandru SOREA , Peter VALLER , Flemming BUUS BENDIXEN , Allan Ivo SØGAARD , Henrik RASMUSSEN
Abstract: Array including a first and a second monolith of a structured catalyst for carrying out an endothermic reaction of a feed gas, wherein: a) the first and second monolith include a macroscopic structure of a first and second electrically conductive material; b) each of said first and second monoliths has a number of flow channels formed therein for conveying feed gas through the monoliths; c) the array includes at least a first and a second conductor electrically connected to said first and second monoliths, respectively, and to an electrical power supply, d) the first and second monolith are electrically connected by a monolith bridge; e) the array is configured to direct an electrical current to run from the first conductor through the first monolith to a second end, then through the bridge, and then through the second monolith to the second conductor.
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342.发明申请公开(公告)号：US20230018443A1
公开(公告)日：2023-01-19
申请号：US17859127
申请日：2022-07-07
Applicant: GRUNDFOS HOLDING A/S
Inventor： Brian Kongsgaard NIELSEN
Abstract: A system (15) regulates a temperature of fluid in a sector of a fluid distribution network, including a feed line (11) transporting fluid from a thermal energy source (3) to a thermal energy consumer (7) within the sector and a return line (13) transporting fluid back. A bypass line (17) connects the return line to the feed line, mixing fluid from the return line into the feed line. A pump is at the bypass line. A temperature sensor determines a temperature of fluid in the feed line downstream of the bypass line. A pressure sensor determines an uncontrolled pressure difference between the feed line and the return line, or an uncontrolled pressure difference correlated therewith. A control unit controls the speed of the pump with a closed-loop control for achieving a target feed line temperature based on the determined temperature, and a feed-forward control compensating fluctuations of the pressure difference.
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公开(公告)号：US20220410263A1
公开(公告)日：2022-12-29
申请号：US17781636
申请日：2020-12-03
Applicant: Grundfos Holding A/S
Inventor： Alexandro Sorea , Peter Valler , Allan Ivo Søegaard , Henrik Rasmussen , Flemming Buus Bendixen
Abstract: The invention relates to a method of manufacturing an object (24) by joining a first component (25) and a second component (26). The first component comprises metal powder with a first alloy composition and a first soluble binder, and the second component comprises metal powder with a second alloy composition and a second soluble binder. They may further comprise ceramic powder. At least one of the surfaces to be joined is dissolved before they are brought in contact, or a mixture of metal powder with a third alloy composition and a dissolved third binder is arranged there between. The chemical differences between the first, second, and third alloy compositions are within predetermined limits. The components are sintered or oxidized together whereby it is possible to obtain an object wherein the transitions between the material phases from the joined components are close to inconspicuous when analysed with scanning electron microscopy.
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公开(公告)号：US20220390036A1
公开(公告)日：2022-12-08
申请号：US17834435
申请日：2022-06-07
Applicant: GRUNDFOS HOLDING A/S
Inventor： Lasse Søgaard LEDET
Abstract: A fluid flow regulation assembly (1) includes: movable parts, for being actively mechanically driven, including at least one of a fluid flow regulating body for regulating a fluid flow and a rotor of a motor for driving the regulating body; and power electronics for controlling the motor. The movable parts and/or the power electronics are a source of vibration. Static parts are exposed to traveling vibrations originating from the source of vibration and include at least one of the group: a pump housing (3), a valve housing, a motor housing (5), a pump base and an electronics housing (7). The static parts include a structural element (11) with at least one vibration attenuation section (9) for attenuating vibrations: that originate from the source of vibration; travel along the structural element and have a vibration frequency above a pre-determined minimum vibration frequency (fmin).
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公开(公告)号：US11512702B2
公开(公告)日：2022-11-29
申请号：US16925126
申请日：2020-07-09
Applicant: GRUNDFOS HOLDING A/S
Inventor： Allan Hjarbæk Holm , Morten Vammen Ørsnæs , Lars Østergaard
Abstract: A submersible pump assembly includes an electric motor (1) and a centrifugal pump, which is driven by the electric motor (1). A rotor (4) formed of plastic or composite material which is manufactured in the extrusion or pultrusion method.
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Patent Agency Ranking
公开(公告)号：US20220341436A1
公开(公告)日：2022-10-27
申请号：US17722900
申请日：2022-04-18
Applicant: GRUNDFOS HOLDING A/S
Inventor： Martin Bang KRISTENSEN , Tom JÆGER , Patrick PRADEL , Joseph Arnold WHITE , Richard James BIBB
Abstract: A centrifugal pump assembly includes a pump head, a pump base defining a pump inlet and a pump outlet, a fluid outlet channel from the pump head to the pump outlet, impellers, defining an impeller fluid channel between an impeller inlet and outlet and connected with one of rotor shaft segments including a positive fit coupling for torque transfer between at least two rotor shaft segments, and one or more pump stage housing segments arranged between the pump base and the pump head. The pump stage housing segments have a structure defining a guide passage for receiving pumped fluid from the impeller outlet of the impellers and for guiding pumped fluid to the impeller inlet of another one of the impellers or to the pump head. The pump stage housing segments each have a structure defining at least a part of a wall section of the fluid outlet channel.
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公开(公告)号：US11460031B2
公开(公告)日：2022-10-04
申请号：US16980057
申请日：2019-03-12
Applicant: GRUNDFOS HOLDING A/S
Inventor： Thomas Blad , Christian Blad , Peter Mønster
Abstract: A centrifugal pump assembly includes an electrical drive motor (2), with at least one impeller (18) which is driven by the motor and a pump casing (6) which surrounds the impeller (18) and which includes at least one suction connection (20) and at least two delivery connections (22, 24). A rotatable valve element (30, 30′, 30″) is arranged in the pump casing (6). The valve element is movable between at least two switching positions, in which the flow paths through the delivery connections (22, 24) are opened to a different extent. The valve element (30, 30′, 30″) includes an annular wall (32) which surrounds the impeller (18) and in which at least one switching opening (48) is formed. The valve element (30, 30′, 30″) is rotatably mounted about a rotation axis (X), which is centric to the annular wall (32), inside of the pump casing (6).
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公开(公告)号：US11454009B2
公开(公告)日：2022-09-27
申请号：US16447154
申请日：2019-06-20
Applicant: GRUNDFOS HOLDING A/S
Inventor： Carsten Skovmose Kallesøe , Abdul-Sattar Hassan , Tom Nørgaard Jensen
Abstract: A control system (15) controls a water supply from at least two separate input lines (3i-k) into a sector (1) of a water supply network. The control system (15) is configured to receive input flow information indicative of the water input flow (qi-k) through each of the input lines (3i-k). The control system (15) is configured to receive input pressure information indicative of the input pressure (pi) in at least one (3i) of the input lines (3i-k). The control system (15) is configured to receive pressure information indicative of at least one pressure value (pcri,m,n) determined by a pressure sensor (7m,n) within the sector (1). The control system (15) is configured to control the input pressure (pi) by controlling at least a pressure regulating system (13i) at an input line (3i) based on the input flow information from all input lines (3i-k) and based on the sector pressure information.
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公开(公告)号：US20220200397A1
公开(公告)日：2022-06-23
申请号：US17551540
申请日：2021-12-15
Applicant: GRUNDFOS HOLDING A/S
Inventor： Steen MIKKELSEN , Keld Folsach RASMUSSEN
Abstract: An electric pump drive motor three-phase stator assembly (1) includes three sets of stator segments (Si,j), configured in a ring about a stator axis (R). Each set includes n≥2 stator segments arranged in an n-fold rotational symmetry about the stator axis. Each stator segment includes a coil (3) having a first coil wire end and a second coil wire end. A plurality of 3n−3 connection wires (Wi,k) connect coils of a respective set of stator segments in series. A first and a second interposed stator segment are arranged in circumferential direction between the two connected coils of the respective set of stator segments. 3n−5 of the connection wires span across the first interposed stator segment at a distance (r1) to the stator axis and across the second interposed stator segment at a second distance (r2) to the stator axis (R). The second distance is larger than the first distance.
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公开(公告)号：US20220197315A1
公开(公告)日：2022-06-23
申请号：US17551468
申请日：2021-12-15
Applicant: GRUNDFOS HOLDING A/S
Inventor： Loreen Ople VILLACORTE , Bruno KIILERICH
Abstract: A control system suppresses biological growth, scale formation and/or corrosion in a recirculating evaporative cooling facility (1). The control system is configured to: monitor a value (C) from at least one sensor (19a-l). The value is indicative of an ion concentration in a cooling liquid of the recirculating evaporative cooling facility (1). The control system controls at least one flow regulation device (21, 23) for regulating the hydraulic operation of at least one de-ionising unit (13) of the recirculating evaporative cooling facility (1). The control system is configured to control at least one parameter of hydraulic operation of the at least one de-ionising unit (13) based on an adaptive target water saving as long as the monitored value (C) does not pass a pre-determined threshold.
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