公开(公告)号：US20240360874A1

公开(公告)日：2024-10-31

申请号：US18637537

申请日：2024-04-17

申请人： Aktiebolaget SKF

发明人： Marco Theodorus VAN ZOELEN ,  Pieter Louis VAN DALEN

IPC分类号： F16C33/66 ,  C10M101/00 ,  C10M133/20 ,  C10M139/00 ,  C10N10/02 ,  C10N10/04 ,  C10N40/02

CPC分类号： F16C33/6688 ,  C10M101/00 ,  C10M133/20 ,  C10M139/00 ,  C10M2215/102 ,  C10M2227/09 ,  C10M2290/02 ,  C10M2290/04 ,  C10N2010/02 ,  C10N2010/04 ,  C10N2040/02 ,  F16C2210/04

摘要： A rolling bearing (1) includes an outer ring (2), an inner ring (4), and a plurality of rolling elements (6) arranged between the outer and inner ring (2, 4). The rolling bearing (1) is provided with lubricant. The outer ring (2) has an outer contact width (bo) between the outer ring (2) and the rolling elements (6). The inner ring (4) has an inner contact width (bi) between the inner ring (4) and the rolling elements (6). A ratio φ=bi/bo between the inner and outer contact width (bi, bo) is larger than 1.65 or a ratio φ=bi/bo between the inner and outer contact width (bi, bo) is larger than 0.97 and smaller than 1.06 or a ratio φ=bi/bo between the inner and outer contact width (bi, bo) is smaller than 0.68.

公开(公告)号：US12104085B2

公开(公告)日：2024-10-01

申请号：US18041829

申请日：2021-08-16

申请人： NIPPON STEEL CORPORATION ,  VALLOUREC OIL AND GAS FRANCE

发明人： Tomoka Abe ,  Ken Tomiyasu ,  Keishi Matsumoto ,  Mamoru Ochiai

IPC分类号： C09D7/63 ,  C10M103/04 ,  C10M107/28 ,  C10M107/30 ,  C10M107/38 ,  C10M139/00 ,  C10N10/04 ,  C10N30/12 ,  C10N40/02 ,  F16L15/04

CPC分类号： C09D7/63 ,  C10M103/04 ,  C10M107/28 ,  C10M107/30 ,  C10M107/38 ,  C10M139/00 ,  F16L15/04 ,  C10M2201/053 ,  C10M2213/0623 ,  C10N2010/04 ,  C10N2030/12 ,  C10N2040/02

摘要： An oil-well metal pipe according to the present disclosure has a pipe main body including a first end portion and a second end portion. The pipe main body includes a pin formed at the first end portion, and a box formed at the second end portion. The pin includes a pin contact surface including an external thread part, and the box includes a box contact surface including an internal thread part. The oil-well metal pipe according to the present disclosure also includes a resin coating containing a resin, a solid lubricant powder, and copper phthalocyanine on or above at least one of the pin contact surface and the box contact surface.

公开(公告)号：US20240240102A1

公开(公告)日：2024-07-18

申请号：US18561773

申请日：2022-05-23

申请人： ENEOS Corporation

发明人： Mari IINO ,  Hideo TSUNEOKA

IPC分类号： C10M129/54 ,  C10M169/04 ,  C10N10/04 ,  C10N20/02 ,  C10N30/00 ,  C10N30/02 ,  C10N40/25

CPC分类号： C10M129/54 ,  C10M169/04 ,  C10M2207/262 ,  C10N2010/04 ,  C10N2020/02 ,  C10N2030/02 ,  C10N2030/54 ,  C10N2040/25

摘要： A lubricating oil composition for an internal combustion engine, having (A) a lubricating base oil, (B) magnesium salicylate, (C) calcium salicylate, and (D) a viscosity index improver, wherein the lubricating oil composition has an HTHS viscosity at 150° C. of 1.7 mPa·s or more and 2.3 mPa·s or less, and an HTHS viscosity at 100° C. of 4.8 mPa·s or less, can provide a lubricating oil composition for an internal combustion engine provided with high fuel-saving performance.

公开(公告)号：US11993757B2

公开(公告)日：2024-05-28

申请号：US17285175

申请日：2019-12-24

申请人： KYB Corporation

发明人： Shinji Kato

IPC分类号： C10M141/10 ,  C10M169/04 ,  C10N10/04 ,  C10N30/06 ,  C10N40/08

CPC分类号： C10M141/10 ,  C10M169/04 ,  C10M2207/022 ,  C10M2207/283 ,  C10M2223/045 ,  C10N2010/04 ,  C10N2030/06 ,  C10N2040/08 ,  C10M2223/045 ,  C10N2010/04

摘要： To provide a lubricating oil composition for a shock absorber, an additive for friction adjustment, a lubricating oil additive, a shock absorber, and a method for adjusting friction of a shock absorber lubricating oil, capable of achieving both operation stability and riding comfort. A lubricating oil composition for a shock absorber contains a base oil and a friction adjusting agent, in which the friction adjusting agent contains zinc dithiophosphate and pentaerythritol.

公开(公告)号：US11753599B2

公开(公告)日：2023-09-12

申请号：US17662420

申请日：2022-05-06

申请人： AFTON CHEMICAL CORPORATION

发明人： Huifang Shao ,  Mark Devlin ,  Paul Ransom ,  Guillaume Carpentier

IPC分类号： C10M137/10 ,  C10M125/10 ,  C10M133/16 ,  C10M169/04 ,  C10N10/04 ,  C10N20/02 ,  C10N30/04 ,  C10N30/06 ,  C10N40/25

CPC分类号： C10M137/10 ,  C10M125/10 ,  C10M133/16 ,  C10M169/04 ,  C10M2201/062 ,  C10M2215/086 ,  C10M2223/045 ,  C10N2010/04 ,  C10N2020/02 ,  C10N2030/04 ,  C10N2030/06 ,  C10N2040/25

摘要： The present disclosure relates to methods for improving phosphorus retention and improving antiwear performance in an internal combustion engine of a hybrid vehicle, comprising lubricating the internal combustion engine of the hybrid vehicle with a lubricating oil composition comprising: greater than 50 wt. % of a base oil of lubricating viscosity; and an amount of one or more zinc dialkyl dithiophosphate compound(s) sufficient to provide: from about 100 ppmw phosphorus to about 1000 ppmw phosphorus, based on a total weight of the lubricating oil composition; and from about 10 ppmw zinc to about 1200 ppmw zinc, based on the total weight of the lubricating oil composition.

公开(公告)号：US11572523B1

公开(公告)日：2023-02-07

申请号：US17585046

申请日：2022-01-26

申请人： Afton Chemical Corporation

发明人： Paul Kondracki ,  Edward Standefer ,  Peter Hou

IPC分类号： C10M135/02 ,  C10M133/08 ,  C10M159/18 ,  C10N10/04 ,  C10N30/00 ,  C10N10/02 ,  C10N30/04 ,  C07C39/235 ,  C07G99/00

摘要： The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of un-sulfurized alkyl phenols.

公开(公告)号：US11421178B2

公开(公告)日：2022-08-23

申请号：US17284847

申请日：2019-09-26

申请人： IDEMITSU KOSAN CO., LTD.

发明人： Tokue Sato

IPC分类号： C10M169/04 ,  C10M105/42 ,  C10M107/34 ,  C10M133/12 ,  C10M135/10 ,  C10N10/04 ,  C10N30/10 ,  C10N30/12 ,  C10N40/30

摘要： Provided is a lubricating oil composition for air compressors containing a polyalkylene glycol-containing base oil (A) and a rust-preventive agent (B), wherein the content of the polyalkylene glycol is 65.0% by mass or more based on the total amount of the composition. The lubricating oil composition is excellent in oxidation stability and also in rust prevention and storage stability. Also provided are an air compressor lubricating method and an air compressor using the lubricating oil composition.

公开(公告)号：US11236285B2

公开(公告)日：2022-02-01

申请号：US17140891

申请日：2021-01-04

申请人： INDIAN OIL CORPORATION LIMITED

发明人： Manohar Vennampalli ,  Naveen Kumar Pokhriyal ,  Virender Kumar ,  Veena Rani Bansal ,  Deepak Saxena ,  Sankara Sri Venkata Ramakumar

IPC分类号： C10M169/06 ,  C07F3/06 ,  C10M101/02 ,  C10M113/08 ,  C10M129/34 ,  C10M129/40 ,  C10M141/02 ,  C10N20/00 ,  C10N30/00 ,  C10N10/04 ,  C10N30/06

摘要： Zinc complex greases with different complexing acids having dropping points comparable to lithium greases and tailor-made dropping points can be made by processing at low temperature in open as well as close kettle process. The present invention discloses a process of manufacturing Zinc complex greases—through reaction of fatty acid and complexing acid with zinc oxide in mineral oil to obtain zinc complex greases having high dropping points of 180 to 280° C.

公开(公告)号：US11230684B2

公开(公告)日：2022-01-25

申请号：US16333650

申请日：2017-10-17

申请人： Chevron Oronite Technology B.V.

发明人： Cornelis Hendrikus Maria Boons ,  Theodorus Constance Cleophas

IPC分类号： C10M169/04 ,  C10M129/10 ,  C10M129/30 ,  C10N10/02 ,  C10N10/04 ,  C10N30/04 ,  C10N30/08 ,  C10N30/10 ,  C10N30/00 ,  C10N40/25

摘要： A lubricating oil composition can include a major amount of an oil of lubricating viscosity and a minor amount of an alkaline earth metal phenol-based detergent. The lubricating oil composition can further have a BN of greater than 140 mg KOH/g, and further wherein the marine diesel cylinder lubricating oil composition is substantially free of unsulfurized tetrapropenyl phenol and its unsulfurized metal salt.

公开(公告)号：US11208609B2

公开(公告)日：2021-12-28

申请号：US16954267

申请日：2018-12-04

申请人： DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC

发明人： Tobias Schlarb ,  Christian Kranenberg

IPC分类号： C10M125/24 ,  C10M107/00 ,  C10M117/02 ,  C10M125/10 ,  C10M129/68 ,  C10M143/06 ,  C10M169/02 ,  C10M169/04 ,  C10N10/02 ,  C10N10/04 ,  C10N20/04 ,  C10N40/00 ,  C10N50/10

摘要： A lubricating grease composition, and more specifically, to a lubricating grease composition which, when used with an article clamping device, such as a chuck, produces excellent lubricating properties whilst remaining strongly adhered to metal parts in the clamping mechanism of the device and showing enhanced chemical and physical resistance to fluids such as cutting fluids with which they come into contact.