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    • 1. 发明专利
    • Sliding member for wet clutch, and wet clutch apparatus
    • 滑动构件用于湿式离合器和湿式离合器装置
    • JP2004225762A
    • 2004-08-12
    • JP2003012314
    • 2003-01-21
    • Toyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • TOYAMA MAMORUMORI HIROYUKIOKUYAMA MASARUOMORI SHUNEITACHIKAWA HIDEONAKANISHI KAZUYUKIKAWABATA MASATAKAYAMADA MIKIO
    • F16D13/62F16D69/00
    • PROBLEM TO BE SOLVED: To provide a sliding member for a wet clutch, which sliding member is excellent in close contact ability, and has wear resistance, and has low attackability against mating members, and has a high frictional characteristic and an excellent μ-v characteristic under wet conditions. SOLUTION: The sliding member for the wet clutch has a base material and an amorphous hard carbon film, which is integrally formed on the surface of the base material and a part of the surface of which serves as a sliding surface for sliding under the wet conditions and contains 0.1-50 at% H. Preferably, the hardness of the amorphous hard carbon film is at least 800 HV and the surface roughness of the sliding surface is 0.3-10 μm Rz. Preferably, the sliding member for the wet clutch is used in either a wet clutch and a wet brake or a starting clutch and a lock-up clutch used in an automatic transmission, and the mating material sliding on the amorphous hard carbon film is a paper series friction material containing fiber components. COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:为了提供一种用于湿式离合器的滑动构件,该滑动构件具有良好的接触能力,并且具有耐磨性,并且对配合构件具有低的冲击性,并且具有高的摩擦特性和优异的 湿度条件下的μ-v特性。 解决方案:用于湿式离合器的滑动构件具有基材和非晶硬质碳膜,该基材和非晶硬质碳膜一体地形成在基材的表面上,其一部分表面用作滑动面 湿条件,含有0.1-50原子%H.优选地,非晶硬质碳膜的硬度至少为800HV,滑动表面的表面粗糙度为0.3-10μmRz。 优选地,用于湿式离合器的滑动构件用于自动变速器中使用的湿式离合器和湿式制动器或起动离合器和锁止离合器,并且在非晶硬质碳膜上滑动的配合材料是纸张 含纤维成分的系列摩擦材料。 版权所有(C)2004,JPO&NCIPI
    • 8. 发明专利
    • Member for valve drive system of internal combustion engine and method of using the same
    • 内燃机用阀驱动系统的构件及其使用方法
    • JP2013108156A
    • 2013-06-06
    • JP2011256251
    • 2011-11-24
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • MORI HIROYUKITOKORO HIROJIOKUYAMA MASARUTOYAMA MAMORUOMORI SHUNEIJINNO TETSUSHIARAYOSHI TAKATOSHIFUWA YOSHIO
    • C23C14/06C10M171/00C10N10/02C10N10/04C10N10/12C10N20/00C10N30/06C10N40/25
    • PROBLEM TO BE SOLVED: To provide a member for a valve drive system for an internal combustion engine, such as a valve lifter and a shim, which provides low friction and exerts steady slidability.SOLUTION: The member for a valve drive system for the internal combustion engine consists of a cam follower having a slide contact surface that is in slide-contact with a cam surface of a cam to follow the cam under a wet process condition where a lubricating oil lies. The slide contact surface of the cam follower is coated by a DLC film (DLC-B film) that consists of 5-25 atom% of H, 4-25 atom% of B, and the remainder of C when assuming the whole as 100 atom%. The slide contact surface that consists of the DLC-B film has high toughness and excellent impact resistance, and causes no lack, etc., even if received an impact force of 150-250 MPa/deg from the cam surface. Moreover, the cam follower exerts an excellent low friction coefficient when used under the wet process condition where the lubricating oil not containing molybdenum dialkyl dithiocarbamate (MoDTC) lies.
    • 要解决的问题:提供一种用于诸如气门挺杆和垫片的内燃机的阀驱动系统的构件,其提供低摩擦并且施加稳定的滑动性。 解决方案:用于内燃机的阀驱动系统的构件由具有滑动接触表面的凸轮从动件组成,滑动接触表面与凸轮的凸轮表面滑动接触,以在湿法处理条件下跟随凸轮 一个润滑油就在于。 凸轮随动件的滑动接触表面由DLC膜(DLC-B膜)包覆,其由5-25原子%的H,4-25原子%的B组成,当剩下的C全部为100时 原子%。 由DLC-B膜构成的滑动接触面即使受到来自凸轮面的150-250MPa / deg的冲击力,也具有高韧性和优异的抗冲击性,不会有缺陷等。 此外,当在不含有二烷基二硫代氨基甲酸钼(MoDTC)的润滑油所在的湿法工艺条件下使用时,凸轮从动件具有优异的低摩擦系数。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Internal combustion engine and valve gear mechanism therefor
    • 内燃机及其齿轮机构
    • JP2010013941A
    • 2010-01-21
    • JP2008171972
    • 2008-07-01
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • TOKORO HIROJIOKUYAMA MASARUMASE KENHIOKA HIDEKAZU
    • F01L1/18F01L1/20F01L1/24
    • F01L1/185F01L2101/00
    • PROBLEM TO BE SOLVED: To prevent the occurrence of abnormal wear on a sliding face of a pivot part that rockably supports one end of a rocker arm. SOLUTION: In this valve gear mechanism, in the pivot part, a spherical recessed and curved surface 10c of a rocking member 10 provided at one end of the rocker arm 3 slides with respect to a spherical protruded and curved surface 14c of a hydraulic adjuster member 14 for supporting the one end of the rocker arm 3. An affinity promoting surface layer 13 having a hardness lower than those of the spherical recessed and curved surface 10c and the spherical protruded and curved surface 14c is provided on the spherical recessed and curved surface 10c of the rocking member 10. As sliding of the affinity promoting surface layer 13 is repeated with respect to the spherical protruded and curved surface 14c, affinity of the affinity promoting surface layer 13 is promoted, its surface roughness is reduced, and the clearance between the affinity promoting surface layer 13 and the spherical protruded and curved surface 14c can be made narrow, so that intrusion of an aggregate of carbon soot of a harmful size can be prevented from intruding in the clearance. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了防止在可摇动地支撑摇臂的一端的枢转部件的滑动面上发生异常磨损。 解决方案:在该阀齿轮机构中,在枢转部分中,设置在摇臂3的一端的摇摆构件10的球形凹入曲面10c相对于球形突出和弯曲表面14c滑动 用于支撑摇臂3的一端的液压调节构件14.在球面凹部上设置有具有低于球形凹曲面10c和球形突出曲面14c的硬度的亲和促进表面层13, 摇动构件10的弯曲表面10c。随着亲和促进表面层13的滑动相对于球形突出曲面14c重复,促进亲和促进表面层13的亲和性,其表面粗糙度降低, 可以使亲和促进表面层13和球形突出表面14c之间的间隙变窄,使得碳烟灰的聚集体 可以防止有害尺寸侵入间隙。 版权所有(C)2010,JPO&INPIT