公开(公告)号：US11499116B2

公开(公告)日：2022-11-15

申请号：US16717549

申请日：2019-12-17

Applicant: United Technologies Corporation

Inventor： Seyed Reza Mahmoudi ,  Catalin G. Fotache

IPC: C10M149/14 ,  C10M145/14 ,  F16C33/66 ,  C10N40/02

Abstract: A low friction coated article includes a first structure that has a first lubricated surface coated with a first polyelectrolyte coating. A second structure has a second lubricated surface with a second polyelectrolyte coating opposite the first lubricated surface. The first and second polyelectrolyte coatings include alternating layers of positively charged polyelectrolyte layers and negatively charged polyelectrolyte layers hydrated with a lubricant.

公开(公告)号：US11441097B2

公开(公告)日：2022-09-13

申请号：US16932202

申请日：2020-07-17

Applicant: UCHICAGO ARGONNE, LLC

Inventor： Anirudha V. Sumant ,  Ali Erdemir ,  Diana Berman

IPC: C10M171/06 ,  B05D1/02 ,  C09D1/00 ,  C10M111/02 ,  C10M177/00 ,  C10N20/06 ,  C10N30/06 ,  C10N40/02 ,  C10N40/14 ,  C10N40/18 ,  C10N40/30 ,  C10N40/36 ,  C10N40/20 ,  C10N50/02 ,  C10N70/00

Abstract: A low friction wear surface with a coefficient of friction in the superlubric regime including graphene and nanoparticles on the wear surface is provided, and methods of producing the low friction wear surface are also provided. A long lifetime wear-resistant surface including graphene exposed to hydrogen is provided, including methods of increasing the lifetime of graphene containing wear surfaces by providing hydrogen to the wear surface.

公开(公告)号：US11407958B2

公开(公告)日：2022-08-09

申请号：US17290223

申请日：2019-10-29

Applicant: CASTROL LIMITED

Inventor： Thakor Kikabhai ,  Laura De Laguno Gorria ,  Bernadeta Anna Pochopien ,  Peter Timothy Seden

IPC: C10M129/74 ,  C10M169/04 ,  C10N30/00 ,  C10N40/00 ,  C10N40/04 ,  C10N30/06 ,  C10N40/02 ,  C10N40/06 ,  C10N40/20 ,  C10N40/25

Abstract: A lubricant composition comprises an anti-wear and or/friction modifying additive which is an ester of a fatty acid and a polyol. At least 50% by weight of the additive is in the form of a mono-ester, and is preferably a mono-glyceride. The lubricant composition may be used in an internal combustion engine.

公开(公告)号：US11248188B2

公开(公告)日：2022-02-15

申请号：US17059519

申请日：2019-08-09

Applicant: Klueber Lubrication Muenchen SE & CO. KG

Inventor： Karl Egersdoerfer ,  Thomas Kilthau ,  Daniel Chall ,  Stefan Seemeyer

IPC: C10M169/04 ,  C10M105/36 ,  C10M105/38 ,  C10M107/34 ,  C10M129/14 ,  C10M129/76 ,  C10N20/02 ,  C10N30/10 ,  C10N40/02 ,  C10N40/04

Abstract: A lubricant composition is provided which comprises a base oil and hydroxytyrosol and/or esters thereof. Also provided is a lubricant composition in which the esters have a solubility in the base oil at 25° C. of at least 0.1 g/l. Further provided is a lubricant composition in which the esters are at least partly carboxylic acid esters comprising esters of hydroxytyrosol and C2-10 carboxylic acids.

公开(公告)号：US11180710B2

公开(公告)日：2021-11-23

申请号：US16606826

申请日：2018-04-25

Applicant: The Lubrizol Corporation

Inventor： Brian B. Filippini ,  Suzanne Patterson ,  William R. S. Barton

IPC: C10M135/36 ,  C10M137/10 ,  C10M137/08 ,  C10M107/02 ,  C10M129/74 ,  C10M139/00 ,  C10N30/02 ,  C10N30/06 ,  C10N40/02 ,  C10N40/04

Abstract: A lubricant composition is provided containing an oil of lubricating viscosity and a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, along with either or both of a conventional phosphorous containing antiwear additive and a glycerol ester. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms. A method of improving wear over a wide temperature range in a mechanical device is also provided by employing the lubricant composition.

公开(公告)号：US11149228B2

公开(公告)日：2021-10-19

申请号：US15837127

申请日：2017-12-11

Applicant: Aktiebolaget SKF

Inventor： Sathwik Chatra Kalsanka Ramakrishna ,  Dries Muller

IPC: C10M169/02 ,  C10M169/06 ,  C10M101/00 ,  C10M105/32 ,  C10M119/02 ,  C10M119/24 ,  C10N20/04 ,  C10N30/06 ,  C10N30/12 ,  C10N40/02 ,  C10N40/04 ,  C10N50/10

Abstract: A grease composition contains a mixture of a lubricating base oil, an ester-terminated polyamide and at least one polyolefin. The ester-terminated polyamide has the formula: R1-O—CO—R2-CO—[NH—R3-NH—CO—R2-CO]n-O—R1. R1 contains 4-22 carbon atoms, R2 contains 4-42 carbon atoms, R3 contains 2-9 carbon atoms and n is an integer in the range of 1-20. The grease composition can be used for lubricating a mechanical component having a metal surface and/or for protecting a mechanical component having a metal surface against corrosion, wear and/or fretting.

公开(公告)号：US11034908B2

公开(公告)日：2021-06-15

申请号：US16088526

申请日：2017-03-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tatsuya Kusumoto ,  Ikuko Nakaya

IPC: C10M141/10 ,  C10M137/10 ,  C10M139/00 ,  C10M141/12 ,  C10M129/54 ,  C10M135/10 ,  C10M135/18 ,  C10M169/04 ,  C10N30/04 ,  C10N30/00 ,  C10N40/02 ,  C10N40/04 ,  C10N40/25 ,  C10N40/00

Abstract: The present in relates to a lubricating oil composition for sliding member having a coating film, the lubricating oil composition containing a base oil; (A) a zinc dialkyldithiophosphate; and (B) a metallic detergent, wherein the content of sulfur atom (S) is 2,800 ppm by mass or less on the basis of the whole amount of the lubricating oil composition, and a mass ratio of the content of sulfur atom (S) and the content of metal atom (BM) derived from the component (B) [(S)/(BM)] in the lubricating oil composition is 0.07 or more and 2.90 or less.

公开(公告)号：US20050139064A1

公开(公告)日：2005-06-30

申请号：US11017912

申请日：2004-12-22

Applicant: Mitsuaki Hakamata ,  Yasunori Kabeya ,  Hiroshi Kanayama

Inventor： Mitsuaki Hakamata ,  Yasunori Kabeya ,  Hiroshi Kanayama

IPC: C08K3/04 ,  C08K3/22 ,  C08K3/30 ,  C08K3/34 ,  C08K3/36 ,  C08K7/00 ,  C08L27/12 ,  C08L27/16 ,  C08L27/18 ,  C08L77/00 ,  C08L79/08 ,  C08L101/00 ,  C09D177/00 ,  C09D179/08 ,  C10M103/02 ,  C10M103/06 ,  C10M107/38 ,  C10M125/10 ,  C10M125/26 ,  C10M149/18 ,  C10M169/04 ,  C10N10/06 ,  C10N10/08 ,  C10N10/12 ,  C10N20/06 ,  C10N30/06 ,  C10N40/02 ,  C10N50/08 ,  F04B27/08 ,  F16C33/20 ,  F01B3/00

CPC classification number: C08L77/00 ,  C08K3/04 ,  C08K3/22 ,  C08K3/30 ,  C08K3/34 ,  C08K3/36 ,  C08K2201/016 ,  C08L27/12 ,  C08L27/16 ,  C08L27/18 ,  C08L79/08 ,  C08L101/00 ,  C09D177/00 ,  C09D179/08 ,  F04B27/086 ,  F16C33/20 ,  F16C2202/50 ,  F16C2208/32 ,  C08L2666/04

Abstract: The sliding properties of a sliding material which comprises fluorine-plastic and binder resin are improved, such that it withstands high speed and high load and varying sliding conditions from the lubricating-oil free condition to the lubricating-oil condition and vice versa. A novel sliding material comprises fluorine-plastic particles having a flat ratio of from 1.5 to 10 in terms of an average aspect ratio and binder resin.

Abstract translation: 包含氟塑料和粘合剂树脂的滑动材料的滑动性能得到改善，使其能够承受高速和高负载以及从无润滑油的状态到润滑油状态的变化的滑动条件，反之亦然。 一种新颖的滑动材料包括以平均纵横比为单位的平均比为1.5至10的粘合剂树脂的氟塑料颗粒。

公开(公告)号：US20050132840A1

公开(公告)日：2005-06-23

申请号：US10980913

申请日：2004-11-03

Applicant: Atsushi Honda ,  Masaru Uno ,  Takaji Harata

Inventor： Atsushi Honda ,  Masaru Uno ,  Takaji Harata

IPC: C10M105/04 ,  C10M105/50 ,  C10M107/08 ,  C10M107/32 ,  C10M107/38 ,  C10M125/02 ,  C10M147/02 ,  C10N20/02 ,  C10N40/02 ,  F16F15/22 ,  F16F15/31 ,  F16F15/36 ,  H02K7/04

CPC classification number: F16F15/363 ,  Y10T74/2109

Abstract: An automatic balancing device including a case body provided with a hollow annular member having an outer peripheral side sliding wall face and concentrically mounted on a rotation shaft, a plurality of balance spherical bodies which are accommodated within the inside of the hollow annular member of the case body and disposed movably in a free manner when the rotation body is rotated, and a lubricant containing a liquid system lubricant which is adhered in a film manner on at least the outer peripheral side sliding wall face of the case body. The lubricant containing a liquid system lubricant may be preferably coated in a concentrated manner on the sliding face, then rotationally driving the rotation body and then suddenly stopping the rotation body to adhere the lubricant in a film manner on the outer peripheral side sliding wall face of the case body.

Abstract translation: 一种自动平衡装置，包括具有外周侧滑动壁面的中空环状构件的壳体，同心地安装在旋转轴上，多个平衡球体，容纳在壳体的中空环形构件的内部 本体并且当旋转体旋转时以自由方式移动，并且在至少壳体的外周侧滑动壁面上以含有膜的方式含有液体系润滑剂的润滑剂。 含有液体润滑剂的润滑剂可以优选以浓缩的方式涂覆在滑动面上，然后旋转地驱动旋转体，然后突然停止旋转体，以使薄膜将润滑剂粘附在外周侧滑动壁面 案件机构。

公开(公告)号：US06894009B2

公开(公告)日：2005-05-17

申请号：US10204958

申请日：2001-02-28

Applicant: Yasushi Kawamura ,  Kouichi Nakazawa ,  Noriaki Shinoda ,  Keiji Tanaka ,  Tetsuo Nimura ,  Kouji Saitou ,  Tomoyasu Wada

Inventor： Yasushi Kawamura ,  Kouichi Nakazawa ,  Noriaki Shinoda ,  Keiji Tanaka ,  Tetsuo Nimura ,  Kouji Saitou ,  Tomoyasu Wada

IPC: C10M169/00 ,  C10M135/18 ,  C10M135/36 ,  C10M137/10 ,  C10M169/06 ,  C10N10/12 ,  C10N30/06 ,  C10N40/02 ,  C10N40/04 ,  C10N50/10 ,  C10M101/02

CPC classification number: C10M169/06 ,  C10M115/08 ,  C10M119/24 ,  C10M135/18 ,  C10M135/36 ,  C10M137/105 ,  C10M2215/006 ,  C10M2215/026 ,  C10M2215/0813 ,  C10M2215/1013 ,  C10M2215/102 ,  C10M2215/1026 ,  C10M2215/121 ,  C10M2215/2206 ,  C10M2215/2275 ,  C10M2219/066 ,  C10M2219/068 ,  C10M2219/10 ,  C10M2219/102 ,  C10M2219/104 ,  C10M2219/106 ,  C10M2219/108 ,  C10M2223/047 ,  C10N2210/06 ,  C10N2240/02

Abstract: A grease composition for constant velocity joints, having a base oil and a urea-based thickener, which grease additionally contains, (A) molybdenum sulphide dialkyldithiocarbamate and (B) 5,5-dithiobis (1,3,4-thiadiazole-2-thiol); a method of lubricating a constant velocity joint including packing it with grease and a constant velocity joint packed with said grease.

Abstract translation: 一种用于恒速接头的润滑脂组合物，其具有基础油和基于尿素的增稠剂，该润滑脂另外含有（A）二烷基二硫代氨基甲酸硫化钼和（B）5,5-二硫代双（1,3,4-噻二唑-2-基） 硫醇）; 一种润滑等速万向节的方法，包括用油脂包装的脂肪和一个包含所述润滑脂的恒速接头。