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    • 3. 发明授权
    • Percussion device
    • 打击乐器
    • US08739896B2
    • 2014-06-03
    • US11663016
    • 2005-09-28
    • Kurt AnderssonJörgen Rodert
    • Kurt AnderssonJörgen Rodert
    • B25D9/14
    • B25D9/14B25D9/18B25D9/20B25D2209/007
    • A percussion device has a machine housing (1), a forwards and backwards movable percussion piston (2) in the machine housing, and a reciprocatingly movable valve body (6) in the machine housing. The percussion piston has a first (4) and a second (5) driving surface subjected to pressure to drive the percussion piston (2) forwards and backwards. The valve body (6) has a first end surface (12) and a second end surface (13) for driving the valve body in first and second directions by applied pressure. The valve body (6) is arranged over a channel (7) in the machine housing, to connect at least the second (5) driving surface alternately to a pressure source (8) or to low pressure (9), and the second end surface (13) is alternately connectable by the percussion piston (2) to the pressure source (8) or, over a valve device (11) for creating a counter-pressure, to the low pressure (8).
    • 冲击装置具有机器壳体(1),机器壳体中的向前和向后可移动冲击活塞(2)以及机械壳体中的可往复运动的阀体(6)。 冲击活塞具有经受压力以向前和向后驱动冲击活塞(2)的第一(4)和第二(5)驱动表面。 阀体(6)具有通过施加的压力在第一和第二方向上驱动阀体的第一端面(12)和第二端面(13)。 阀体(6)布置在机器壳体中的通道(7)上,以将至少第二(5)驱动表面交替地连接到压力源(8)或低压(9),并且第二端 表面(13)可以通过冲击活塞(2)交替地连接到压力源(8),或者在用于产生反作用力的阀装置(11)上交替地连接到低压(8)。
    • 4. 发明授权
    • Percussion device
    • 打击乐器
    • US07484570B2
    • 2009-02-03
    • US11663167
    • 2005-09-28
    • Kurt AnderssonJörgen Rodert
    • Kurt AnderssonJörgen Rodert
    • B25D9/14
    • B25D9/18B25D9/20B25D2209/007
    • Percussion device including a machine housing (1), a forwards and backwards movable percussion piston (2) in the machine housing, and a reciprocatingly movable tubular valve body (6) inside the machine housing, said percussion piston (2) being arranged to subject a tool (3) to impact, and said percussion piston including a first (4) and a second (5) driving surface arranged to be pressurized in order to drive the percussion piston forwards and backwards, said valve body (6) including a first end surface (12) and a second end surface (13), wherein pressurizing the first end surface (12) tends to drive the valve body in a first direction and pressurizing the second end surface (13) tends to drive the valve body in a second direction, whereby the valve body (6) is arranged, over a channel (7) arranged in the machine housing, to connect at least the second (5) of the driving surfaces alternately to a pressure source (8) or to low pressure (9), wherein an inner room (31) in the tubular valve body (6) is continuously connected to the low pressure (9) over at least one-opening (32) through an envelope surface of the valve body (6).
    • 包括机壳(1),机器壳体中的向前和向后可移动冲击活塞(2)以及机器壳体内部的可往复运动的管状阀体(6)的冲击装置,所述冲击活塞(2) 所述冲击活塞包括布置成加压的第一(4)和第二(5)驱动表面,以便向前和向后驱动冲击活塞,所述阀体(6)包括第一 端部表面(12)和第二端面(13),其中对所述第一端面(12)施压的倾向于沿着第一方向驱动所述阀体,并且对所述第二端面(13)加压,倾向于在所述阀体 第二方向,由此阀体(6)布置在布置在机器壳体中的通道(7)上,以将至少第二(5)个驱动表面交替地连接到压力源(8)或低压 (9),其中所述管状阀中的内室(31) e体(6)通过阀体(6)的包络面在至少一个开口(32)上连续地连接到低压(9)。
    • 7. 发明授权
    • Hammer device
    • 锤装置
    • US06371222B1
    • 2002-04-16
    • US09673055
    • 2000-10-10
    • Kurt AnderssonJörgen Rodert
    • Kurt AnderssonJörgen Rodert
    • E21B100
    • B25D9/145
    • A hammer device has a machine housing (1) with a hammer piston (2) movable to-and-fro. The to-and-fro movement of the hammer piston is controlled by a valve body (6) movable to-and-fro in the machine housing. The valve body, via a channel (7), alternatively connects a drive surface (5) on the hammer piston to a pressure source (8) and to low pressure (9). In order to expedite the actuation of the hammer piston at its rear dead center, the machine housing has a room (10) which is separated from the channel (7) by the hammer piston at the same time that the valve body (6) maintains the pressure from the pressure source (8) on the rear end surface (5) of the hammer piston.
    • 锤装置具有机器壳体(1),其具有可往复移动的锤式活塞(2)。 锤式活塞的往复运动由机体(6)在机械壳体内可往复运动控制。 阀体通过通道(7)交替地将锤式活塞上的驱动表面(5)连接到压力源(8)和低压(9)。 为了加速在其后死点处的锤式活塞的致动,机壳具有在阀体(6)保持的同时通过锤式活塞与通道(7)分离的房间(10) 来自锤式活塞的后端面(5)上的压力源(8)的压力。