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    • 4. 发明授权
    • Composite piston with protection of the fastening screws against
corrosion by a coolant
    • 复合活塞,保护紧固螺丝免受冷却液腐蚀
    • US4044731A
    • 1977-08-30
    • US660052
    • 1976-02-23
    • Horst Lindner
    • Horst Lindner
    • F02B3/06F02F3/00F02F3/22F16J1/00F01M1/06F01B31/08
    • F02F3/0023F02F3/22F16J1/005F02B3/06F02F2200/04
    • A threaded cap screwed into the piston head with a sealed joint to a sleeve tube open and flanged at the other end are provided to encase the clamping screws that fasten the piston head and the upper piston body member and lower piston body member together. The casing thus formed shields the screws from possibly corrosive coolant that under operating conditions could work through the joints between the parts of a composite piston in spite of the clamping pressure of the screws. Each screw is screwed into the threaded cap at the piston head end and its head or a nut bears on the flange of the sleeve tube at the other end. The screws and their protective casings fit within bores in an annular strut forming a large part of the upper piston body member that butts against a low annular ridge on the underside of the piston head into which the end caps of the screw casings are screwed. A seal compressed between the annular ridge of the piston head and the annular strut of the piston body encircles each screw casing and a clearance space extending between this seal and the seal between the threaded cap and the sleeve tube is arranged to drain off any coolant that leaks into the first seal, so that it will not apply pressure to the second seal.
    • 一个拧入活塞头的带螺纹帽的密封接头与另一端开口和凸缘的套筒管接合,以便将活塞头和上活塞主体件与下活塞体件固定在一起的夹紧螺钉。 这样形成的壳体将螺丝从可能的腐蚀性冷却剂上屏蔽,这些冷却剂在操作条件下可以通过复合活塞的部件之间的接头工作,尽管螺钉的夹持压力。 每个螺钉在活塞头端拧入螺纹盖中,其头部或螺母在另一端承载在套管的凸缘上。 螺钉及其保护套管装配在环形支柱的孔内,形成大部分上活塞体构件,该上部活塞主体构件抵靠在活塞头的下侧的低环形脊上,螺钉壳体的端盖被螺纹拧入。 压缩在活塞头的环形凸缘和活塞体的环形支柱之间的密封件围绕每个螺钉壳体,并且在该密封件和螺纹盖和套管之间的密封件之间延伸的间隙空间被布置成排出任何冷却剂 泄漏到第一密封件中,从而不会对第二密封件施加压力。
    • 5. 发明授权
    • Method of armo-coating valve seats of internal combustion engines
    • 内燃机阀座的安装方法
    • US4222430A
    • 1980-09-16
    • US17045
    • 1979-03-02
    • Horst Lindner
    • Horst Lindner
    • B22D19/00B22D19/08B32B15/01C23C2/00C23C24/10C23C26/02F01L3/04B22D19/02
    • C23C24/10F01L3/04
    • A valve element is formed with a groove or notch in the region of the valve seat. The valve element is then introduced into a crucible pot which has the outer shape of the valve, when coated, and a cover is placed thereover completing the shape of the valve, when coated. Granular coating material, for example "Colmonoy 6" (0.75% C, 4.25% Si, 13 to 20% Cr. remainder Ni, 4.75% Fe and 3% B), is placed on the valve element, the cover is then placed thereover, leaving a small gap of the thickness of the coating around the valve element. The assembly is then subjected to vacuum, about 10.sup.-6 -10.sup.-7 torr, and heated to liquefaction temperature of the armor-coating material, which will fill the space between the valve element and the crucible pot and cover, thus coating the valve element with a thin coating therearound, and a thick layer in the region of the groove of the valve element, which may be in the order of millimeters, whereas the remainder may be in the order of thousandths of a millimeter.
    • 阀元件在阀座的区域中形成有凹槽或凹口。 然后将阀元件引入具有阀的外形的坩埚罐中,当涂覆时,在涂覆时将盖放置在其上完成阀的形状。 颗粒状涂层材料,例如“Colmonoy 6”(0.75%C,4.25%Si,13%至20%Cr余量Ni,4.75%Fe和3%B)放置在阀元件上,然后将盖放置在其上 在阀元件周围留下涂层厚度的小间隙。 然后将组件进行大约10-6-10-7乇的真空,并加热到装甲涂层材料的液化温度,这将填充阀元件和坩埚锅和盖之间的空间,从而涂覆阀 元件,其周围具有薄涂层,以及在阀元件的凹槽区域中的厚层,其可以是毫米数量级,而其余部分可以是千分之一毫米。