公开(公告)号：US20250059458A1

公开(公告)日：2025-02-20

申请号：US18724059

申请日：2022-12-22

Applicant: LANXESS Specialty Chemicals Co., Ltd.

Inventor： Dabo Liu ,  Xiaolong Li ,  Yan Wang ,  Lianhui Zhang

IPC: C10M169/00 ,  C10M115/08 ,  C10M115/10 ,  C10M117/04 ,  C10M123/02 ,  C10M125/10 ,  C10M125/26 ,  C10M133/12 ,  C10M137/10 ,  C10M141/10 ,  C10M177/00 ,  C10N40/02 ,  C10N50/10 ,  C10N70/00

Abstract: The present application relates to polyurea/calcium sulfonate complex grease composition for use in constant velocity joints. The invention discloses a lubricating grease with thixotropy and a preparation method thereof. The lubricating grease comprises a polyurea/high base number calcium sulfonate composite thickener, colloidally dispersed calcium carbonate solid particles in the form of calcite, a calcium borate or calcium borate composite, a calcium soap of fatty acid having 12 to 24 carbon atoms, an organic molybdenum compound, and an antioxidant. The above components are uniformly dispersed in an oil phase medium. The content of high base number calcium sulfonate in the lubricating grease is less than 22 wt %.

公开(公告)号：US20250043210A1

公开(公告)日：2025-02-06

申请号：US18719800

申请日：2022-11-07

Applicant: FUCHS SE

Inventor： Hans Jürgen ERKEL ,  Olaf BINKLE ,  Torsten GOERZ

IPC: C10M169/02 ,  C10M117/04 ,  C10M117/06 ,  C10M117/10 ,  C10M177/00 ,  C10N20/02 ,  C10N40/02 ,  C10N50/10 ,  C10N70/00

Abstract: The object of the invention is a method for the production of lithium complex soap lubricating greases or lithium-calcium complex soap lubricating greases and corresponding lubricating greases produced by this process and their use in slide and rolling bearings.

公开(公告)号：US12195690B2

公开(公告)日：2025-01-14

申请号：US17921199

申请日：2021-04-19

Applicant: The Lubrizol Corporation

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

IPC: C10M141/10 ,  C10N10/04 ,  C10N40/02 ,  C10N40/04

Abstract: The disclosed technology relates to an automotive or industrial gear oil for automotive or industrial gears, as well as axles and bearings, the automotive or industrial gear oil containing an oil of lubricating viscosity, an optional phosphate and/or thiophosphate compound, a particular sulfurized olefin, and a metal thiophosphate compound, such as zinc dialkyldithiophosphate, as well as a method of improving automotive or industrial gear operating efficiency and temperature by lubricating such automotive or industrial gears with the automotive or industrial gear oil.

公开(公告)号：US12104135B2

公开(公告)日：2024-10-01

申请号：US17752575

申请日：2022-05-24

Applicant: UNIVERSITY OF YAMANASHI ,  NIPPON THOMPSON CO., LTD. ,  Ushio Chemix Corporation

Inventor： Yuichiro Haramoto ,  Shigemasa Itabashi ,  Ayana Takemura ,  Kazuo Okamoto ,  Hiroyuki Otsuki

IPC: C10M105/18 ,  C10N20/00 ,  C10N30/00 ,  C10N40/02 ,  C10N40/18

CPC classification number: C10M105/18 ,  C10M2207/0406 ,  C10N2020/079 ,  C10N2030/30 ,  C10N2030/40 ,  C10N2040/02 ,  C10N2040/18

Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), tricyclic liquid crystal compounds of formula (2), and formula (3). The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing.




R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R′)CH2CH2OR.





R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or a group —OR.





R31 and R41 are the same or different from each other, and each is —OCH2CH2CH(R′)CH2CH2OR. R32, R33, R42, and R43 are the same or different from each other, and each is hydrogen or —OCH2CH2CH(R′)CH2CH2OR. R is a linear or branched CnH2n+1, 1≤n≤20, and R′ is methyl or ethyl.

公开(公告)号：US12037561B2

公开(公告)日：2024-07-16

申请号：US18020743

申请日：2021-08-10

Applicant: JTEKT CORPORATION ,  ENEOS CORPORATION

Inventor： Takeshi Tsuda ,  Yurie Hagino ,  Kazumi Sakai ,  Yusuke Ayame ,  Go Tatsumi ,  Kiyomi Sakamoto

IPC: C10M169/00 ,  C10M105/18 ,  C10M115/08 ,  C10M135/10 ,  C10M135/20 ,  C10M137/02 ,  C10M141/10 ,  C10N30/00 ,  C10N40/02 ,  C10N50/10

CPC classification number: C10M169/00 ,  C10M105/18 ,  C10M115/08 ,  C10M135/10 ,  C10M135/20 ,  C10M137/02 ,  C10M141/10 ,  C10M2207/0406 ,  C10M2215/1026 ,  C10M2219/044 ,  C10M2219/046 ,  C10M2219/08 ,  C10M2223/049 ,  C10N2030/43 ,  C10N2040/02 ,  C10N2050/10

Abstract: A grease composition including: a base oil; a thickener; a zinc sulfonate; a polysulfide; an overbased calcium sulfonate; and triphenyl phosphite, in which a proportion of the zinc sulfonate with respect to a total mass of the base oil and the thickener is 0.030 mass % to 0.045 mass % in terms of a zinc content, a proportion of the polysulfide with respect to the total mass of the base oil and the thickener is 0.16 mass % to 0.24 mass % in terms of a sulfur content, a proportion of the overbased calcium sulfonate with respect to the total mass of the base oil and the thickener is 0.010 mass % to 0.015 mass % in terms of a calcium content, and a proportion of the triphenyl phosphite with respect to the total mass of the base oil and the thickener is 0.24 mass % to 0.36 mass %.

公开(公告)号：US20240174941A1

公开(公告)日：2024-05-30

申请号：US18310088

申请日：2023-05-01

Applicant: Baylor University

Inventor： Annette VON JOUANNE ,  Alex YOKOCHI ,  Madeline STEPHENS

IPC: C10M169/02 ,  C10M107/02 ,  C10M113/02 ,  F16C33/66 ,  C10N20/06 ,  C10N40/02 ,  C10N50/10

CPC classification number: C10M169/02 ,  C10M107/02 ,  C10M113/02 ,  F16C33/6633 ,  C10M2201/0416 ,  C10M2205/0206 ,  C10N2020/06 ,  C10N2040/02 ,  C10N2050/10 ,  F16C2380/26

Abstract: The present disclosure provides a formulated conductive grease for an associated bearing that can be used in a drive system, such as a variable frequency drive system for motors having a formulation sufficient to reduce the voltage build up that causes damaging electric discharge machining (“EDM”) on rotational bearing supported surfaces, such as inner and outer races, while still maintaining a grease composition suitable for bearing long life at operational temperatures. The higher conductivity of the inventive grease results in lowering of the threshold voltage of pulse discharges, which consequently decreases the energy release in each pulse and the resulting bearing temperatures, avoiding bearing damage. The disclosure further provides a bearing lifetime prediction model given typical discharge conditions from both Si and SiC inverters using a bearing state of health (SOH) metric.

公开(公告)号：US11807825B2

公开(公告)日：2023-11-07

申请号：US17761917

申请日：2020-08-11

Applicant: NIPPON THOMPSON CO., LTD. ,  Ushio Chemix Corporation

Inventor： Kazuo Okamoto ,  Hiroyuki Otsuki ,  Shigemasa Itabashi ,  Ayana Takemura

IPC: C10M105/18 ,  C10M125/18 ,  C10N30/00 ,  C10N20/00 ,  C10N30/06 ,  C10N30/12 ,  C10N40/02

CPC classification number: C10M105/18 ,  C10M125/18 ,  C10M2201/081 ,  C10M2207/04 ,  C10M2207/0406 ,  C10N2020/079 ,  C10N2030/06 ,  C10N2030/12 ,  C10N2030/41 ,  C10N2040/02

Abstract: Provided are a lubricant composition which is advantageous in that, when applied to a contact area of metal parts, the lubricant composition can suppress generation of rust and can exhibit excellent lubricating performance, and a bearing the lubricant composition having sealed therein. A lubricant composition comprising at least one dicyclic liquid crystal compound represented by the following formula (1), at least one tricyclic liquid crystal compound represented by the following formula (2), and halogen ions, wherein the content of the halogen ions in the lubricant composition is 1 to 900 ppm.

公开(公告)号：US11760951B2

公开(公告)日：2023-09-19

申请号：US17435878

申请日：2020-02-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Go Watanabe

IPC: C10M115/08 ,  C10M133/06 ,  C10M133/16 ,  C10M169/02 ,  C10M169/06 ,  C10N20/02 ,  C10N20/06 ,  C10N30/06 ,  C10N40/02 ,  C10N50/10

CPC classification number: C10M115/08 ,  C10M133/06 ,  C10M133/16 ,  C10M169/02 ,  C10M169/06 ,  C10M2205/0206 ,  C10M2215/1026 ,  C10M2215/26 ,  C10M2215/28 ,  C10N2020/02 ,  C10N2020/06 ,  C10N2030/06 ,  C10N2040/02 ,  C10N2050/10

Abstract: The present invention addresses a problem of providing a grease composition containing a urea-based thickener and capable of appropriately maintaining the kinematic friction force in lubrication parts. The grease composition contains a base oil (A) and a urea-based thickener (B), wherein the base oil (A) has a kinematic viscosity at 40° C. of 100 mm2/s or more, and the particles containing the urea-based thickener (B) in the grease composition satisfy the following requirement (I). Requirement (I): the area-based arithmetic average particle diameter of the particles is 2.0 μm or less, as measured by a laser diffraction/scattering method.

公开(公告)号：US11739278B2

公开(公告)日：2023-08-29

申请号：US17288510

申请日：2019-10-24

Applicant: Mahle International GmbH ,  Mahle Engine Systems UK Ltd

Inventor： Jennifer Harvey

IPC: C10M107/44 ,  F16C33/20 ,  C08G73/14 ,  C08J3/24 ,  F16C17/02 ,  C10N40/02 ,  C10N50/08

CPC classification number: C10M107/44 ,  C08G73/14 ,  C08J3/24 ,  F16C17/02 ,  F16C33/201 ,  C08J2379/08 ,  C10M2217/0443 ,  C10N2040/02 ,  C10N2050/08

Abstract: A bearing material may include a polyamide-imide polymer material and a difunctional crosslinking agent comprising a hydrocarbon chain and two functional groups. The functional groups may be selected from the list: amino, acid, epoxide, thiol, isocyanate.

公开(公告)号：US11668346B2

公开(公告)日：2023-06-06

申请号：US17931622

申请日：2022-09-13

Applicant: FEDERAL-MOGUL WIESBADEN GMBH

Inventor： Achim Adam ,  Joachim Schluter

IPC: F16C33/10 ,  C09D7/61 ,  C09D179/08 ,  F16C33/12 ,  C09D7/40 ,  C08K3/34 ,  C10M125/22 ,  C10M125/10 ,  C10M125/20 ,  C10N40/02 ,  C09D5/38 ,  C08K3/08 ,  C08K3/38 ,  C08K3/22 ,  C08K3/30 ,  C10M125/26

CPC classification number: F16C33/1095 ,  C09D7/61 ,  C09D179/08 ,  F16C33/125 ,  F16C33/127 ,  C08K3/08 ,  C08K3/22 ,  C08K3/34 ,  C08K2003/3009 ,  C08K2003/385 ,  C09D5/38 ,  C09D7/68 ,  C09D7/69 ,  C10M125/10 ,  C10M125/20 ,  C10M125/22 ,  C10M125/26 ,  C10N2040/02 ,  F16C2204/60 ,  F16C2223/30 ,  F16C2240/48

Abstract: An anti-friction lacquer has a resin matrix of a polymer and functional fillers containing mixed-phase oxides having a specified grinding hardness and proportion and optionally contain further functional fillers. A sliding element is also disclosed having a metallic substrate layer and a coating applied to the substrate that is made of at least in part of the anti-friction.