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1. 发明授权

US11340126B2 Corrosion-protection element for a field device 有权
公开(公告)号：US11340126B2
公开(公告)日：2022-05-24
申请号：US16629094
申请日：2018-06-19
申请人： Endress+Hauser SE+Co. KG
发明人： Sergey Lopatin , Thomas Uehlin , Michael Hügel
IPC分类号： G01L19/06 , C23F13/00 , G01L13/02 , C23F13/10 , C23F13/14
摘要： A corrosion protection element is described, with which in simple and cost effective manner a reliable corrosion protection of field devices can be provided, which field devices comprise at least one component of stainless steel in contact with an environment of the field device. Corrosion protection elements of the invention are distinguished by features including that they are embodied as sacrificial anodes comprising iron or rustable steel and have a form, which is embodied in such a manner that they can be applied to the component of the field device in such a manner that the sacrificial anode is in electrically conducting contact with the component.

2. 发明申请

US20210340679A1 SYSTEMS AND METHODS FOR MONITORING INTEGRATED PASSIVE ANODES 有权
公开(公告)号：US20210340679A1
公开(公告)日：2021-11-04
申请号：US16864316
申请日：2020-05-01
申请人： Rheem Manufacturing Company
发明人： Robert Stuart Glass , Sergio Montalgo Salazar
IPC分类号： C23F13/22 , C23F13/14 , C23F13/20 , G01N17/02 , G08B21/18
摘要： Systems and methods for providing and monitoring corrosion protection are disclosed. The system can include a sacrificial passive anode and a reference electrode. The sacrificial anode and the reference electrode can both be in communication with a component that is subject to corrosion and the liquid contained therein. The sacrificial anode can be electrically connected to the component with a bonding wire. The reference electrode can be electrically connected to an electronic measurement device and the component. As the sacrificial anode is depleted the voltage of the system drops. The difference in the voltage can be monitored over time and can be used in various algorithms to calculate a protection level based on the amount of sacrificial anode remaining. When the protection level drops below a predetermined level, an alert can be provided to inform a user that the sacrificial anode needs to be replaced.

3. 发明授权

US10731262B2 Corrosion control coating 有权
公开(公告)号：US10731262B2
公开(公告)日：2020-08-04
申请号：US15288222
申请日：2016-10-07
申请人： Ewald Dörken AG
发明人： Marcel Roth , Kai Owczarek , Heike Mertens , Sandra Böhm , Vanessa Kurze , Gerhard Reusmann
IPC分类号： C23F13/02 , C23C28/00 , C09D5/10 , B05D7/00 , C25D3/22 , C23C2/26 , C09D7/61 , C23F13/14 , C23F13/06 , C23C2/06 , C23F17/00 , C25D5/48 , C08K3/08
摘要： The present invention relates to a corrosion control coating, more particularly a high-temperature corrosion control coating, and to a method for producing it.

4. 发明申请

US20190062927A1 Manufacture of Sacrificial Anodes 审中-公开
公开(公告)号：US20190062927A1
公开(公告)日：2019-02-28
申请号：US15686858
申请日：2017-08-25
申请人： David William Whitmore
发明人： David William Whitmore
IPC分类号： C23F13/14 , C23F13/10 , C23F13/16 , C23F13/18 , C23F13/20
CPC分类号： C23F13/14 , C23F13/02 , C23F13/10 , C23F13/16 , C23F13/18 , C23F13/20 , C23F2201/02 , C23F2213/22
摘要： Sacrificial anodes for installing in an ionically conductive medium at an installation site containing metal requiring cathodic protection are formed by locating anode cores in a tray having dividing members defining a row of side by side chambers with each chamber containing a respective one of the anode cores and casting into the receptacle a covering mortar for the anode cores with each anode core receiving a coating at least partly surrounding the anode core with the connecting wire exposed. The mortar is cast to form frangible bridges between each anode and the next. The trays are stacked and transported to the site where the installer separates and individually installs the anodes into the medium.

5. 发明申请

US20190017179A1 GALVANIC ANODE AND METHOD OF CORROSION PROTECTION 审中-公开
公开(公告)号：US20190017179A1
公开(公告)日：2019-01-17
申请号：US16127627
申请日：2018-09-11
申请人： Construction Research & Technology, GmbH
发明人： Frederick R. GOODWIN
IPC分类号： C23F13/10 , C23F13/14 , C23F13/06 , C04B111/26
摘要： A hybrid sacrificial galvanic anode, an anodic system including the hybrid sacrificial anode, and a method of cathodically protecting steel reinforcement in concrete structures is provided. The hybrid anode provides initial steel polarization followed by long term galvanic protection without the use of batteries or external power supplies.

6. 发明授权

US10156315B2 Corrosion resistant buried underground ductile cast iron piping members with an improved external coating and the method thereof 有权
公开(公告)号：US10156315B2
公开(公告)日：2018-12-18
申请号：US15577111
申请日：2016-04-22
申请人： ELECTROSTEEL CASTINGS LIMITED
发明人： Abhijit Ghosh
IPC分类号： F16L58/04 , B32B1/00 , C22C18/04 , C23F13/08 , C23F13/14 , C23C4/08 , C22C37/00 , C22C38/00 , C23C4/131 , B32B1/08 , B32B15/01 , B32B15/18 , F16L58/08 , F16L9/02
摘要： The present invention relates to improvement of the outside anticorrosive treatment of ductile cast iron piping members, through the development of a Pseudo Alloy metallic film along with modified paint on the external surface, more particularly the present disclosure relates to the improved corrosion resistant to ductile cast iron piping members, specially when used in buried condition, the coating method that can form an anticorrosion pseudo metal alloy layer in the peripheral surface along with a modified Cashew Nut Shell Liquid (CNSL) paint.

7. 发明授权

US10138561B2 Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate 有权
公开(公告)号：US10138561B2
公开(公告)日：2018-11-27
申请号：US15173847
申请日：2016-06-06
申请人： United Technologies Corporation
发明人： Zhongfen Ding , Georgios S. Zafiris , Bart Antonie van Hassel , Catalin G. Fotache
IPC分类号： C07C59/265 , C23F13/00 , C23F11/00 , C23F13/06 , C23F13/14 , C09D5/00 , C07C51/41 , C01F17/00 , C09D5/08 , C23F11/10 , C23F11/18 , C09D7/61
摘要： A method of making cerium citrate includes combining cerium carbonate and citric acid to produce cerium citrate and carbon dioxide. The cerium citrate is substantially free of negative ions other than citrate. The cerium citrate can be used in a corrosion inhibitor composition.

8. 发明授权

US09988132B1 Combination apparatus made of sacrificial anode material removably affixed to a shaft of a propeller of an engine of a water craft, the apparatus including removable and replaceable cutting blades 有权
公开(公告)号：US09988132B1
公开(公告)日：2018-06-05
申请号：US15617214
申请日：2017-06-08
申请人： Ian Roberts
发明人： Ian Roberts
IPC分类号： B63H1/28 , B63H5/16 , C23F13/14
CPC分类号： B63H5/165 , C23F13/14 , C23F2213/31
摘要： The present invention is a combination apparatus having a body with two separate mating arms made of sacrificial anode material and a pair of oppositely disposed removable cutting blades made of material such as stainless steel. A respective cutting blade extends through an interior of a respective mating arm and extends outwardly from an exterior surface of a respective mating arm with cutting teeth of each respective cutting blade aligned with a slope of the exterior surface of a respective mating arm.

9. 发明申请

US20170183784A1 ANODE SLURRY FOR CATHODIC PROTECTION OF UNDERGROUND METALLIC STRUCTURES AND METHOD OF APPLICATION THEREOF 审中-公开
公开(公告)号：US20170183784A1
公开(公告)日：2017-06-29
申请号：US15388869
申请日：2016-12-22
申请人： YPF Technologia S. A.
发明人： Walter MORRIS , Angel VICO
IPC分类号： C23F13/14
CPC分类号： C23F13/14 , C23F13/10 , C23F13/18 , C23F2213/32 , E21B41/02
摘要： An anode slurry for cathodic protection to underground metallic structures, preferably for casings of hydrocarbon producing wells or water injecting/producing wells, comprising a granulated electrical conducting material as anode and optionally a granulated filler with high electrical conductivity (backfill). There is also disclosed a method for providing cathodic protection to underground metallic structures by injecting an anode slurry into the underground formation containing the metallic structures.

10. 发明申请

US20160326657A1 CORROSION PROTECTION SYSTEM AND PUMP DEVICE WITH THE SAME 审中-公开
标题翻译：具有相同的腐蚀保护系统和泵装置
公开(公告)号：US20160326657A1
公开(公告)日：2016-11-10
申请号：US14903449
申请日：2014-07-28
申请人： HITACHI, LTD.
发明人： Reo KOBAYASHI , Kenya OHASHI , Masahiro ITOH , Yoshimasa CHIBA , Takayoshi MIYACHI
IPC分类号： C23F13/04 , C23F13/22 , C23F13/14
CPC分类号： C23F13/04 , C23F13/14 , C23F13/22 , C23F2213/31
摘要： The life of a sacrificial anode for use in a pump device, such as a seawater pump, is extended, thus extending the life of a corrosion protection system of the seawater pump device. A pump device includes corrosion system including: a measurement unit located at a portion of a column pipe to be immersed into seawater; and a temperature control device located at an installation site of the pump device. In this corrosion protection system, a sacrificial anode electrically conductive with the column pipe and capable of being controlled in temperature is attached through a heating/cooling unit and a thermal conduction sheet to the column pipe. The temperature control device is configured to control, based on the temperature of the sacrificial anode measured by the measurement unit, the temperature of the sacrificial anode using the heating/cooling unit attached through the thermal conduction sheet to the sacrificial anode.
摘要翻译：用于泵装置（例如海水泵）中的牺牲阳极的寿命延长，从而延长了海水泵装置的腐蚀保护系统的寿命。泵装置包括腐蚀系统，包括：测量单元，其位于柱管的要浸入海水的部分; 以及位于泵装置的安装地点的温度控制装置。在该腐蚀保护系统中，通过加热/冷却单元和导热板将与柱管导电并能够控制温度的牺牲阳极连接到柱管。温度控制装置被配置为基于由测量单元测量的牺牲阳极的温度，使用通过导热片附着到牺牲阳极的加热/冷却单元来控制牺牲阳极的温度。

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