公开(公告)号：US12013277B2

公开(公告)日：2024-06-18

申请号：US18155262

申请日：2023-01-17

申请人： RAPA Technologies, LLC

发明人： Marc C. Ramsey

IPC分类号： G01F22/00 ,  G01F23/24

CPC分类号： G01F23/241 ,  G01F23/248

摘要： Systems and methods for storing fluid are described. In some embodiments, a system may include a container having an internal volume that is configured to change as fluid enters or exits, a first shell component, and a second shell component. The first shell component may limit an expansion of the container in a first direction, and the second shell component may limit the expansion of the container in a second direction that is opposite the first direction.

公开(公告)号：US11982561B2

公开(公告)日：2024-05-14

申请号：US17282222

申请日：2019-10-03

申请人： ELTEK S.p.A.

发明人： Fulvio Cerutti ,  Stefano Allera ,  Massimo Zanin ,  Matteo Rondano ,  Giorgio Fagnola ,  Mauro Zorzetto ,  Marco Pizzi

IPC分类号： G01F23/263 ,  G01F23/24 ,  G01F25/20

CPC分类号： G01F23/268 ,  G01F23/24 ,  G01F23/266 ,  G01F25/20

摘要： A level sensor comprises an electrical-connection structure and a level-detection structure. The level-detection structure comprises a plurality of elongated electrodes, which include at least three measuring electrodes. The elongated electrodes extend at least partially in side-by-sidey positions in a length direction of the level-detection structure and each have a proximal end and a distal end relative to the electrical-connection structure. The level-detection structure is divided, in the length direction, into a succession of detection sections, each of which includes two effective portions of two respective measuring electrodes, the two effective portions extending to a prevalent extent substantially parallel and equidistant, at a first predetermined distance from each other, in the length direction. In the detection sections there also extends, in the length direction, a non-effective portion of one further elongated electrode other than the two measuring electrodes that define the two effective portions of the corresponding detection section, the at least one further elongated electrode being one measuring electrode or else a reference electrode. The elongated electrodes are shaped in such a way that, at one or more of the detection sections, the non-effective portion of the at least one further elongated electrode extends to a prevalent extent at respective second predetermined distances from the corresponding two effective portions, the second predetermined distances being greater than the first predetermined distance.

公开(公告)号：US11788750B2

公开(公告)日：2023-10-17

申请号：US18076063

申请日：2022-12-06

申请人： Aspen Pumps Limited

发明人： Gary Haffenden

IPC分类号： F24F11/32 ,  F04D15/02 ,  F24F13/22 ,  G01F23/24 ,  G01F23/263 ,  G01F25/20 ,  F24F140/30

CPC分类号： F24F11/32 ,  F04D15/0218 ,  F24F13/222 ,  G01F23/24 ,  G01F23/263 ,  G01F25/20 ,  F24F2140/30

摘要： The present invention provides a liquid level sensor and an automatic calibration process which removes the need for prior manual calibration of the liquid level sensor, as this happens dynamically during installation and use of the pump. Further, by frequently monitoring the calibration of the sensor and correcting for long term drift or contamination on the sensing surface, the reliability of the liquid level sensor is considerably better than those of the prior art. By operating a solid state sensor, there are no moving parts in the liquid level sensor described above.

公开(公告)号：US20230314200A1

公开(公告)日：2023-10-05

申请号：US17858865

申请日：2022-07-06

申请人： BRIGHT TRADE INTERNATIONAL AB

发明人： Fredrik Lindow

IPC分类号： G01F23/24

CPC分类号： G01F23/24

摘要： A low water indicator (10) comprising an indicator module (12) comprising a control unit (18); a submersible housing (14) with a low water detector (20) connected to said control unit through a cable (16); wherein: a sloping top surface (30) of said submersible housing is formed as a truncated cone with a smaller top area (32), the cable extends from the top area (32), and the low water detector (20) comprises two terminals (20a, 20b) exposed on said sloping top surface (30) below the top area (32); and wherein the control unit (18) is configured to activate the indicator module (12) when the low water detector (20) detects absence of water between the terminals (20a, 20b).

公开(公告)号：US20230272905A1

公开(公告)日：2023-08-31

申请号：US18007760

申请日：2021-07-07

申请人： BSH Hausgeräte GmbH

发明人： Dieter Lego ,  Martin Nagel ,  Gilles Patrick Tiodong Nongni ,  Benjamin Wagner

IPC分类号： F22D5/26 ,  F22B1/28 ,  F22B37/78 ,  G01F23/24 ,  A47J27/04

CPC分类号： F22D5/26 ,  F22B1/284 ,  F22B37/78 ,  G01F23/243 ,  A47J27/04 ,  A47J2027/043 ,  A47J2203/00

摘要： In a method for operating a household steam treatment appliance which includes an evaporator with a heatable water holding chamber and a fill level sensor with at least two measurement electrodes, which are disposed over one another at a distance from each other in the heatable water holding chamber, a water detection measured value provided for indicating wetting of the at least two measurement electrodes with water introduced into the water holding chamber is adapted in an adaptation process to an electrical conductivity of the water in the water holding chamber.

公开(公告)号：US11674840B2

公开(公告)日：2023-06-13

申请号：US17479689

申请日：2021-09-20

申请人： FORD GLOBAL TECHNOLOGIES, LLC

发明人： José David Mondragón Avelar ,  Sebastian Rosas Contreras ,  Tanya Stephany Soriano Canchola ,  Miguel Ángel Benítez Torreblanca ,  Sheven Sharp

IPC分类号： G01F23/36 ,  G01F23/24

CPC分类号： G01F23/363 ,  G01F23/24

摘要： A fluid-level sensor includes a housing, a substrate supported by the housing and defining an arcuate slot completely though a thickness of the substrate, and electrically conductive traces disposed on a backside of the substrate. A wiper assembly is disposed adjacent to a front side of the substrate and includes an arm pivotal relative to the substrate and a wiper attached to the arm. The wiper has an elongate neck extending through the slot and a head attached to the neck and in contact with the traces to close an electric circuit, wherein the wiper is configured to move along the slot and slide across the traces responsive to pivoting of the arm to vary resistance of the electric circuit to output a fluid-level reading.

公开(公告)号：US20230168118A1

公开(公告)日：2023-06-01

申请号：US17653651

申请日：2022-03-06

申请人： Salar Basiri

发明人： Salar Basiri ,  Aliraza Shafighi Malekshah

IPC分类号： G01F23/80 ,  G01F23/24 ,  G01F23/263 ,  H05K1/18

CPC分类号： G01F23/804 ,  G01F23/24 ,  G01F23/266 ,  H05K1/189 ,  H05K2201/10151

摘要： The present disclosure generally relates to liquid level meter, and more particularly, to a flexible multi liquid level measurement apparatus and method. There is a vast need in industry and water resource management to measure level of liquid in arbitrary shaped well and in tank contained more than one liquid. Ordinary methods are not capable to determine liquid level in said cases. This disclosure proposes a liquid level meter (910) which measurement apparatus (905) is flexible. The apparatus is capable to measure liquid level in an arbitrary shape well or tank (900) where the well or tank has filled with more than one liquid (915,920,925). The measurement apparatus and method disclosed here is completely digital at inventive subject matter level and doesn't affect by environmental noises and conditions.

公开(公告)号：US11635318B2

公开(公告)日：2023-04-25

申请号：US16841382

申请日：2020-04-06

申请人： CRYOPORT, INC.

发明人： Eden Sanchez ,  Bret Bollinger ,  Ben Lee

IPC分类号： G01F23/24 ,  G01F23/00 ,  G01F23/02

摘要： Method, system, apparatus, and/or device for determining when the dewar is filled with a medium. The fill gauge level apparatus includes a cylindrical body. The cylindrical body has a base on one end, a flange on an opposite open end and a cavity. The fill gauge level apparatus includes a fill gauge level device. The fill gauge level device is coupled to the cylindrical body and is positioned within the cavity. The fill gauge level devices includes a sensor for measuring a medium within a shipper. The fill gauge level devices includes an indicator. The indicator provides an indication when the medium has been filled to a threshold level within the shipper.

公开(公告)号：US20230095426A1

公开(公告)日：2023-03-30

申请号：US18076063

申请日：2022-12-06

申请人： Aspen Pumps Limited

发明人： Gary Haffenden

IPC分类号： F24F11/32 ,  F04D15/02 ,  G01F23/24 ,  G01F25/20 ,  F24F13/22 ,  G01F23/263 ,  F24F140/30

摘要： The present invention provides a liquid level sensor and an automatic calibration process which removes the need for prior manual calibration of the liquid level sensor, as this happens dynamically during installation and use of the pump. Further, by frequently monitoring the calibration of the sensor and correcting for long term drift or contamination on the sensing surface, the reliability of the liquid level sensor is considerably better than those of the prior art. By operating a solid state sensor, there are no moving parts in the liquid level sensor described above.

公开(公告)号：US11512811B2

公开(公告)日：2022-11-29

申请号：US16316766

申请日：2017-07-11

申请人： SIKORSKY AIRCRAFT CORPORATION

发明人： Adam R. Glasser ,  Dwaine Wint ,  John J. Baldyga ,  Michael F. Mullen ,  David M. Lutian ,  Lindsey McKan

IPC分类号： F16N29/02 ,  B64D45/00 ,  F16H57/04 ,  F16N29/04 ,  B64C27/14 ,  F16N29/00 ,  F16N7/00 ,  B64C27/16 ,  G01N33/28 ,  G01F23/22 ,  G01F23/24

摘要： A gearbox includes a housing including a lubricant reservoir, at least one gear system arranged in the housing, at least one lubricant delivery passage operable to direct a flow of lubricant from a lubricant reservoir onto the at least one gear system, at least one lubricant return passage operable to guide the flow of lubricant to the lubricant reservoir, and a lubricant-out sensor fluidically connected to the at least one lubricant return passage. The lubricant-out sensor is operable to detect a non-pressure based parameter of the lubricant.