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    • 44. 发明授权
    • Valve system for engine
    • 发动机阀门系统
    • US06491011B2
    • 2002-12-10
    • US09987618
    • 2001-11-15
    • Makoto SanadaMinoru Matsuda
    • Makoto SanadaMinoru Matsuda
    • F01L112
    • F01L1/26F01L1/146F01L1/18
    • To provide a valve system for an engine, in which a valve stem for an engine valve is slidably fitted in a guide cylinder provided in a cylinder head. A rocker arm is interlocked to rock with rotation of a camshaft. The rocker arm is also interlocked with the valve stem. With the above construction, local wear, galling, and the like in the guide cylinder can be prevented. Accordingly, the reliability can be improved. A lifter is interposed between a rocker arm and a valve stem. The lifter is formed into a cylindrical shape with a closed bottom and has a diameter larger than an outside diameter of the valve stem. The lifter is fitted in a lifter housing in such a manner as to be slidable in the axial direction of the valve stem. The lifter housing is fixed to a cylinder head.
    • 提供用于发动机的阀系统,其中用于发动机气门的阀杆可滑动地装配在设置在气缸盖中的引导缸中。 摇臂与凸轮轴的旋转联动摇动。 摇臂还与阀杆互锁。 通过上述结构,可以防止导向圆筒中的局部磨损,磨损等。 因此,可以提高可靠性。 升降器插在摇臂和阀杆之间。 升降机形成为具有封闭底部的圆柱形形状,并且具有大于阀杆外径的直径。 升降机以能够在阀杆的轴向方向滑动的方式安装在升降机壳体中。 升降机壳体固定在气缸盖上。
    • 45. 发明授权
    • Steam turbine
    • 汽轮机
    • US06332754B1
    • 2001-12-25
    • US09541622
    • 2000-04-03
    • Minoru MatsudaMasataka KikuchiNobuo OkitaKouichi Kitaguchi
    • Minoru MatsudaMasataka KikuchiNobuo OkitaKouichi Kitaguchi
    • F01D102
    • F01D25/24F01D1/04F01D3/02
    • A steam turbine comprises, in combination, at least two of a high pressure turbine section, an intermediate pressure turbine section and a low pressure turbine section in a single turbine casing and the steam turbine generally satisfies such design requirements as: a main steam pressure of 100 kg/cm2 or more; a main steam temperature of 500° C. or more; a rated output (power) of 100 MW or more; and a unit rotated at a rotation speed of 3,000 rpm equipped with a last-stage movable blade of the turbine having an effective blade length of 36 inches or more, or a unit rotated at a rotation speed of 3,600 rpm equipped with a last-stage movable blade of the turbine having an effective blade length of 33.5 inches or more. In such steam turbine, a turbine exhaust chamber of the low pressure turbine section has a structure extending towards both sides of a transverse direction of the turbine casing, towards the upper side thereof or in the axial direction thereof.
    • 蒸汽涡轮机组合地包括单个涡轮机壳体中的高压涡轮部分,中压涡轮机部分和低压涡轮机部分中的至少两个,并且蒸汽涡轮机通常满足以下设计要求:主蒸汽压力 100kg / cm 2以上; 主蒸汽温度为500℃以上; 额定输出(功率)为100MW以上; 并且以3000rpm的转速旋转的单元配备有具有36英寸或更大的有效叶片长度的涡轮机的最后一级可动叶片,或以3606rpm的转速旋转的单元,其具有最后阶段 涡轮机的可动叶片具有33.5英寸或更大的有效叶片长度。 在这种蒸汽轮机中,低压涡轮机部分的涡轮机排气室具有朝向涡轮机壳体的横向两侧朝向其上侧或其轴向方向延伸的结构。