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    • 41. 发明授权
    • Pneumatic pulse diverters
    • 气动脉冲分流器
    • US3811458A
    • 1974-05-21
    • US30151572
    • 1972-10-27
    • HOERBIGER VENTILWERKE AG
    • KUHNELT H
    • F15C3/02F16K11/07
    • F15C3/02Y10T137/2554Y10T137/2698
    • A pulse diverter for directing pneumatic pulses from an inlet alternately to a pair of outlets, the diverter including a piston which at the appearance of each pulse is moved from one terminal position to another to establish a flow path between the inlet and one of the outlets while a control member blocks communication between the inlet and the other outlet and at the termination of each pulse, a drive connection is established between the piston and the control element to move the control element into a position blocking communication between the inlet and the first outlet so that the next pulse will be transmitted to said other outlet after the piston is moved to establish communication between the inlet and said other outlet.
    • 一种用于将气动脉冲从入口交替引导到一对出口的脉冲分流器,所述分流器包括在每个脉冲出现时的活塞从一个终端位置移动到另一个终端位置,以在入口和一个出口之间建立流动路径 而控制构件阻挡入口和另一个出口之间的连通并且在每个脉冲终止时,在活塞和控制元件之间建立驱动连接,以将控制元件移动到阻止入口和第一出口之间的连通的位置 使得在活塞移动之后下一个脉冲将被传送到所述另一个出口,以在入口和所述另一个出口之间建立连通。
    • 44. 发明授权
    • Valve for signaling three conditions
    • 用于信号三种条件的阀
    • US3594745A
    • 1971-07-20
    • US3594745D
    • 1969-05-08
    • NORGREN CO C A
    • NICKELS WILLIAM M
    • F15B13/00F15C3/02G01L19/12G08B25/00
    • F15B13/00F15C3/02Y10T137/8326
    • A piston-type valve operated by air or other gas characterized by an input supply port and an input control port to which equal pressures are applied, a first signal output port communicating with the supply port when the control pressure decays below a predetermined value, and a manually operated spool valve moveable to a position for disestablishing communication between the supply port and first signal port and also establishing communication between the supply port and a second signal output port. The first output port may operate an audible annunciator and visible red light which indicates that the control pressure has decayed and the second output port may operate a signal device, such as an amber light, which indicates that an operator has acknowledged receipt of the previous alarm signal. During normal operation, the control pressure may operate a green light only when its pressure is above a predetermined value. The lights thus operate sequentially, green indicating normal control pressure in the system, red indicating a danger condition and amber indicating acknowledgement of the alarm condition. When the control pressure is restored to normal, the valve parts are automatically moved to their original positions.
    • 45. 发明授权
    • Pneumatic slide valves
    • 气动滑阀
    • US3570533A
    • 1971-03-16
    • US3570533D
    • 1969-01-21
    • HAMILTON THOMAS WILLIAM
    • HAMILTON THOMAS WILLIAM
    • F15C3/02F16K11/065F16K37/00F16K11/06
    • F16K11/0655F15C3/02Y10T137/8359Y10T137/8663
    • A double-pilot pneumatic slide valve of the kind in which a slider is movable to-and-fro within a surrounding housing by air under pressure through one pilot port to move the slider in one direction and through a second pilot port to move the slider in an opposite direction, movement of the slider causing alterations between the connections between main airports in the housing is provided with a slider which is part-cylindrical and has a crosssectional shape which is a segment of a circle. The slider is movable axially on its flat face, which slides on a flat base surface of the housing, by the pilot air pressure acting directly on the end faces of the slider and two spaced-apart seals are formed between the part-cylindrical face of the slider and an adjacent face on the surrounding part of the housing by two partcircular sealing rings which are carried in grooves in the face of the housing and bear against the part-cylindrical face of the slider. An air inlet passage communicates with the clearance space enclosed between the slider and the housing in between the two part-circular seals so that when air under pressure is supplied to the valve this acts on the part-cylindrical surface of the slider in between the seals and urges the slider into contact with the flat base surface.
    • 50. 发明公开
    • 트랙터용 로더밸브
    • 拖拉机门阀
    • KR1020120075890A
    • 2012-07-09
    • KR1020100137785
    • 2010-12-29
    • 대동공업주식회사
    • 서진김장현
    • E02F9/22F15B13/04F15B13/042
    • E02F9/2267F15B13/0402F15B13/0422A01B59/048A01B63/10E02F9/22F15C3/02
    • PURPOSE: A loader valve for tractors is provided to prevent errors of a tractor by adjusting that a specific function is not operated in a state where other working machine except a bucket is installed. CONSTITUTION: A loader valve for tractors comprises first and second spool shafts(100,200), first and second supporting members(300,400), a spring part, and stoppers. The first and second spool shafts are arranged inside a valve housing(10) and is operated by the manipulation of a lever. The first and second supporting members are arranged in a state of being respectively inserted in the first and second spool shafts. The first and second supporting members are located inside end caps(20) coupled on the exterior of the valve housing. The spring part is installed in the lower part of the first and second supporting members and is placed in the end caps. The stoppers are arranged between the first and second supporting members and the end caps to restrict the movement of the first and second spool shafts.
    • 目的:提供一种用于拖拉机的装载机,以通过调整特定功能在除了铲斗之外的其他工作机器安装的状态下不进行操作来防止拖拉机的错误。 构成:用于拖拉机的装载阀包括第一和第二卷轴(100,200),第一和第二支撑构件(300,400),弹簧部分和塞子。 第一和第二卷筒轴布置在阀壳体(10)的内部,并通过杠杆的操纵而操作。 第一和第二支撑构件被布置成分别插入第一和第二卷轴中的状态。 第一和第二支撑构件位于联接在阀壳体的外部上的端盖(20)内。 弹簧部分安装在第一和第二支撑构件的下部,并且被放置在端盖中。 止动件布置在第一和第二支撑构件和端盖之间,以限制第一和第二卷轴的运动。