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    • 1. 发明专利
    • Swash plate compressor and surface treatment method for swash plate in swash plate compressor
    • 冲压板压盖机的滑板压实机及表面处理方法
    • JP2012112291A
    • 2012-06-14
    • JP2010261201
    • 2010-11-24
    • Valeo Japan Co Ltd株式会社ヴァレオジャパン
    • TANABE HIROMICHIISHIDA YOSHIYUKI
    • F04B27/08C23C8/30
    • F04B27/0886F04B27/086F04B27/1054F05C2203/083F05C2253/12F05C2253/24
    • PROBLEM TO BE SOLVED: To provide a swash plate compressor improved in abrasion resistance and slidability of a swash plate and shoes, and a surface treatment method for the swash plate in the swash plate compressor.SOLUTION: A variable-capacity swash plate compressor comprises: a shaft passing through a crank chamber and rotatably supported at a housing; a swash plate 22 that includes an opening through which the shaft is inserted, is disposed in the crank chamber and rotates synchronously with rotation of the shaft; pistons, each held at a circumferential edge of the swash plate 22, which slides reciprocally in a cylinder bore as the swash plate 22 rotates; and shoes 24, disposed between two side surfaces of the swash plate 22 and an engaging portion of the piston, which slide in contact with both the swash plate 22 and the piston. The swash plate 22 is constituted of an iron-based material. The sliding contact surfaces 34 of the swash plate 22 against the shoes 24 undergo a gas soft-nitriding process, a removal process executed after the soft-nitriding process in order to remove a nitride-containing compound layer while retaining a formed hardened layer 36, and a coating process 37 executed after the removal process to form a coating constituted of a solid lubricant.
    • 要解决的问题:提供改善斜板和鞋的耐磨性和滑动性的斜盘式压缩机,以及用于斜盘式压缩机中的斜盘的表面处理方法。 解决方案:可变容量斜盘压缩机包括:穿过曲轴室并可旋转地支撑在壳体上的轴; 包括轴插入的开口的斜盘22设置在曲柄室中,与轴的旋转同步旋转; 每个活塞保持在旋转斜盘22的圆周边缘,当旋转斜盘22旋转时,其在气缸孔中往复滑动; 以及设置在斜板22的两个侧表面之间的滑块24和与斜盘22和活塞两者相接触的活塞的接合部分。 斜盘22由铁基材料构成。 斜盘22相对于鞋24的滑动接触表面34进行气体软氮化处理,在软氮化处理之后执行去除处理以除去含氮化物的化合物层,同时保持形成的硬化层36, 以及在去除处理之后执行的涂覆工艺37以形成由固体润滑剂构成的涂层。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Bent axis type hydraulic rotating machine
    • BENT AXIS型液压旋转机
    • JP2012007509A
    • 2012-01-12
    • JP2010142347
    • 2010-06-23
    • Hitachi Constr Mach Co Ltd日立建機株式会社
    • NUMAGUCHI KAZUHIRONIITOME TAKASHITSUBO TAKAHIROOKUNO NAOYUKI
    • F04B1/24F03C1/24F04B53/00F04B53/14F04B53/16
    • F04B1/24F04B1/2021F04B27/0813F04B27/0826F04B53/162F05C2203/083F05C2253/12F05C2253/24
    • PROBLEM TO BE SOLVED: To prevent occurrence of scoring/seizure and the like, by inhibiting wear of contacting area between respective cylinder holes of a cylinder block and tapered pistons.SOLUTION: On a surface side of a cylinder block 6, a surface treatment layer 15 is formed to cover the whole including a center hole 7 and a plurality of cylinder holes 8. The surface treatment layer 15 is composed of nitriding layer formed by effecting nitriding-based heat treatment on base material of the cylinder block 6 formed using iron based material such as cast iron or cast steel and chemical conversion coating of manganese phosphate. The chemical conversion coating is the one obtained by forming chemical conversion coating of manganese phosphate on the surface side of the nitriding layer. The chemical conversion coating is superior in an initial adaptivity with respect to a sliding member such as a tapered piston, and its film thickness is set at, for example, 10-20 μm.
    • 要解决的问题:通过抑制气缸体的各个气缸孔和锥形活塞之间的接触面积的磨损,以防止划痕/咬合等的发生。 解决方案:在气缸体6的表面侧,形成表面处理层15,以覆盖整体,包括中心孔7和多个气缸孔8.表面处理层15由形成的氮化层 通过使用铁基材料(例如铸铁或铸钢)形成的气缸体6的基材和磷酸锰的化学转化涂层进行氮化基热处理。 化学转化膜是通过在氮化层的表面侧形成磷酸锰化学转化膜而得到的。 化学转化膜相对于诸如锥形活塞的滑动构件的初始适应性优异,并且其膜厚设定为例如10-20μm。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • 斜板式モータまたは斜板式ポンプ
    • 滑板式电动机或者滑板式泵
    • JP2015052294A
    • 2015-03-19
    • JP2013185392
    • 2013-09-06
    • ナブテスコ株式会社Nabtesco Corp
    • SATAKE TERUHIKOKOMORI ETSURO
    • F04B1/22F03C1/253
    • F03C1/0652F04B1/2035F05C2251/10F05C2253/24
    • 【課題】斜板式モータまたは斜板式ポンプの傾転シリンダ孔の耐摩耗性を向上させる。【解決手段】斜板式モータ(または斜板式ポンプ)は、斜板の角度を変更するための傾転ピストンを摺動自在に保持する傾転シリンダ孔を有し、傾転シリンダ孔9の周面には、傾転シリンダ孔9の周方向に沿ったレーザー焼入れにより焼入れ部20が形成されている。この焼入れ部20の焼入れ開始位置および焼入れ終了位置は、傾転シリンダ孔9の周面において傾転ピストン8から受ける荷重が傾転シリンダ孔9の周方向に関して最小となる位置から?60度の低荷重範囲C1、C2内とされており、低荷重範囲C1、C2を超えて焼入れ部20が形成されている。【選択図】図5
    • 要解决的问题:提高斜盘式电动机或斜盘式泵中倾斜气缸孔的耐磨性。解决方案:斜盘式电动机(或斜盘式泵)具有倾斜气缸孔,用于可滑动 保持倾斜的活塞以改变旋转斜盘的角度,并且在倾斜的气缸孔9的圆周方向上加工激光硬化的同时,倾斜气缸孔9的周面形成有硬化部20。 施加硬化部20的操作开始位置和硬化完成位置的范围从在倾斜气缸孔9的圆周面上从斜盘活塞8接收的负荷相对于倾斜的圆筒孔9的圆周方向变得最小的范围 气缸孔9至低负载范围C1,C2为±60度,硬化部分20形成在低负载范围C1,C2上。