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1.发明申请PROCESS FOR COATING A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND ENGINE CYLINDER/LINER 审中-公开内燃机和发动机气缸/内胆缸体喷涂工艺公开(公告)号：US20160305014A1
公开(公告)日：2016-10-20
申请号：US15101925
申请日：2014-12-01
发明人： Paulo Jose Da Rocha Mordente , Edney Deschauer Rejowski , Jose Valentim Lima Sarabanda , Robert Richard Field
CPC分类号： C23C16/045 , C23C16/029 , C23C16/26 , C23C16/50 , C23C28/046 , C23C28/048 , F02F1/20
摘要： A process for coating a cylinder or a liner of an internal combustion engine may involve a plasma assisted chemical vapour deposition (PACVD) technique. The process may include placing a component to be coated in a PACVD system; forming a negative pressure within the system in an inert atmosphere including argon, hydrogen, or a mixture thereof; activating a surface of the component at a bias voltage of 300 to 550 Vbias; performing an ionization of the component at a bias voltage of 800 to 1200 Vbias; depositing an adhesive layer having a precursor element on the surface of the component; depositing a transition layer having a gradient content of increasing amorphous carbon and decreasing precursor element; and depositing an upper layer composed of an amorphous carbon with the precursor element.
摘要翻译： 用于涂覆内燃机的气缸或衬套的方法可以包括等离子体辅助化学气相沉积（PACVD）技术。 该方法可以包括将待涂覆的部件放置在PACVD系统中; 在包括氩，氢或其混合物的惰性气氛中在体系内形成负压; 在偏置电压为300至550Vbias时激活部件的表面; 以800〜1200Vbias的偏置电压进行元件的电离; 在组件的表面上沉积具有前体元素的粘合剂层; 沉积具有增加的无定形碳和减少的前体元素的梯度含量的过渡层; 以及由所述前体元件沉积由无定形碳组成的上层。
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公开(公告)号：US10436324B2
公开(公告)日：2019-10-08
申请号：US15131017
申请日：2016-04-17
摘要： A piston ring for an internal combustion engine may include a substantially annular base of a ferrous alloy upon which is applied a coating. The coating may have a first bonding layer and at least a first external layer or a second external layer deposited upon the first bonding layer up to a maximum of 100 micrometers in thickness of a plurality of sequentially deposited first and second external layers. The first external layer may include a nitride of a doped metal chemical element, a doping element being aluminum. The second external layer may include a nitride of the metal chemical element. The first external layer may have a thickness greater than at least once a thickness of the second external layer and less than ten times the thickness of the second external layer.
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公开(公告)号：US10294890B2
公开(公告)日：2019-05-21
申请号：US15101354
申请日：2014-11-21
发明人： Paulo Jose Da Rocha Mordente , Edney Deschauer Rejowski , Robert Richard Banfield , Jose Valentim Lima Sarabanda
摘要： A sliding combination for use in an internal combustion engine may include at least one cylinder liner defining an internal sliding surface and a ring having an external lateral sliding surface. The external sliding surface of the ring may slide in relation to the internal sliding surface of the liner. The external sliding surface of the ring may include a first coating of a physical vapor deposited metal nitride in sliding contact with a second coating of a diamond-like carbon (DLC) material disposed on the internal sliding surface of the liner.
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4.发明申请公开(公告)号：US20190120379A1
公开(公告)日：2019-04-25
申请号：US16090197
申请日：2017-03-29
CPC分类号： F16J9/12 , C23C14/505 , C23C14/542 , F16J9/26
摘要： A piston ring may include a drawn metal base of constant thickness having an outer peripheral surface. The piston ring may also include a hard coating disposed on the outer peripheral surface. The coating may have a thickness that is greater in a region of two butt ends of the base than a thickness of the coating in another region of the outer peripheral surface. The coating may be defined by a plurality of layers with a nanoscale structure.
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公开(公告)号：US20160305547A1
公开(公告)日：2016-10-20
申请号：US15131017
申请日：2016-04-17
CPC分类号： F16J9/26 , C23C14/0036 , C23C14/022 , C23C14/0641 , C23C14/165 , C23C14/3485 , C23C14/352 , F16J9/12
摘要： A piston ring for an internal combustion engine may include a substantially annular base of a ferrous alloy upon which is applied a coating. The coating may have a first bonding layer and at least a first external layer or a second external layer deposited upon the first bonding layer up to a maximum of 100 micrometers in thickness of a plurality of sequentially deposited first and second external layers. The first external layer may include a nitride of a doped metal chemical element, a doping element being aluminum. The second external layer may include a nitride of the metal chemical element. The first external layer may have a thickness greater than at least once a thickness of the second external layer and less than ten times the thickness of the second external layer.
摘要翻译： 用于内燃机的活塞环可以包括铁基合金的基本上环形的基部，在其上施加涂层。 涂层可以具有第一粘结层和沉积在第一粘合层上的至少第一外层或第二外层，其厚度最多为多个依次沉积的第一和第二外层的最大厚度为100微米。 第一外层可以包括掺杂金属化学元素的氮化物，掺杂元素是铝。 第二外层可以包括金属化学元素的氮化物。 第一外层可以具有比第二外层的厚度大至少一次的厚度，并且小于第二外层的厚度的十倍。
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公开(公告)号：US10407764B2
公开(公告)日：2019-09-10
申请号：US15517901
申请日：2015-10-07
摘要： A piston ring for an internal-combustion engine may include a body having a substantially annular external surface and a physical vapor deposition coating layer disposed on the external surface. The body may include a gap defined between a first end and a second end. The piston ring may also include a first half in a region of the gap and a second half opposite the first half. The coating layer of the first half may have a thickness gradient, and the coating layer may define a greater thickness in a vicinity of the first end and the second end and a reduced thickness in regions further away from the vicinity of the first end and the second end. The coating layer of the second half may have a uniform thickness.
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公开(公告)号：US20190154153A1
公开(公告)日：2019-05-23
申请号：US16314385
申请日：2017-06-27
摘要： A sliding element may include a base material having an annular external surface upon which a bonding layer and a sliding layer are sequentially deposited. The sliding layer may be composed of hard amorphous carbon of a combined matrix with sp3/sp2 bonds. The sliding layer may include a plurality of nanoparticles of graphite incorporated within the combined matrix of sp3/sp2.
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公开(公告)号：US10724637B2
公开(公告)日：2020-07-28
申请号：US16090197
申请日：2017-03-29
摘要： A piston ring may include a drawn metal base of constant thickness having an outer peripheral surface. The piston ring may also include a hard coating disposed on the outer peripheral surface. The coating may have a thickness that is greater in a region of two butt ends of the base than a thickness of the coating in another region of the outer peripheral surface. The coating may be defined by a plurality of layers with a nanoscale structure.
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公开(公告)号：US20200049252A1
公开(公告)日：2020-02-13
申请号：US16340098
申请日：2017-10-05
摘要： A one piece oil control ring for an internal combustion engine may include a plurality of segments having a metal base and being operatively associated with one another. Each segment of the plurality of segments may define a superior portion and an inferior portion which may both be oriented towards an internal surface of a cylinder liner. The superior portion and the inferior portion may each have a first surface substantially parallel to the internal surface of the cylinder liner wherefrom there may extend a substantially inclined second surface. The metal base may have a tempered martensitic matrix having a hardness of 400 HV to 600 HV. A nitrided layer may be disposed upon all surfaces of each of the plurality of segments.
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公开(公告)号：US09650986B2
公开(公告)日：2017-05-16
申请号：US14403633
申请日：2013-05-24
摘要： A cylinder for an internal combustion engine may include a metallic cylinder body and an amorphous diamond-like hard carbon film disposed on an internal peripheral surface of the cylinder body. The amorphous diamond-like carbon film may include a roughness ranging from Rz 0.5 μm to Rz 4.0 μm.
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