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61. 发明授权

US4662474A Noise suppressor for pneumatic tool 失效
标题翻译：气动工具噪声抑制器
公开(公告)号：US4662474A
公开(公告)日：1987-05-05
申请号：US840690
申请日：1986-03-18
申请人： Ming-Shin Cheng
发明人： Ming-Shin Cheng
IPC分类号： B25D17/12 , F01N1/08
CPC分类号： B25D17/12
摘要： A noise suppressor for a pneumatic tool characterized by a plurality of annular or spiral suppression grooves on the inner wall of the body of pneumatic tool and a plurality of air being holes at the bottom of the suppression grooves on a side wall so that compressed air discharged can have its flow disturbed by impingement upon the suppression grooves and side wall and thus the time of discharge is prolonged and the noise from discharge of the compressed air is suppressed.
摘要翻译：一种用于气动工具的噪声抑制器，其特征在于在气动工具本体的内壁上具有多个环形或螺旋形抑制槽，多个空气在侧壁上的抑制槽底部设有孔，以便压缩空气排出可以通过冲击抑制槽和侧壁而扰动其流动，从而延长排出时间，并且抑制压缩空气排出的噪音。

62. 发明授权

US4367807A Sound absorber for compressed-air operated apparatuses, in particular compressed air vibrators 失效
标题翻译：用于压缩空气操作的设备的吸声器，特别是压缩空气振动器
公开(公告)号：US4367807A
公开(公告)日：1983-01-11
申请号：US268487
申请日：1981-05-29
申请人： Willy Fink , Alex Fehr
发明人： Willy Fink , Alex Fehr
IPC分类号： F01N1/08 , B24B23/00 , B25D17/12 , F01N7/00 , F01N7/18
CPC分类号： B25D17/12
摘要： The sound absorber includes a main body (1), a housing component (2) attached thereon and a cap (3) threaded onto the main body. The compressed air exiting from the compressed-air vibrator flows from a first chamber (4) into a second chamber (5) provided with labyrinth-like baffles (7) and from there into a larger third chamber (6). The relieved compressed air then flows outside through an annular outlet slit (8a). Through rotation of the cap (3) there can be varied the cross-section of the outlet slit (8a). The cap (3) thereby also serves as a throttle valve.The sound absorber is insensitive to oil-containing compressed air and, without an auxiliary throttle valve, facilitates a correlatable throttle of the exiting compressed air.
摘要翻译：吸声器包括主体（1），安装在其上的壳体部件（2）和螺纹连接到主体上的盖子（3）。从压缩空气振动器排出的压缩空气从第一室（4）流入设置有迷宫式挡板（7）的第二室（5），从那里进入较大的第三室（6）。然后，缓和的压缩空气通过环形出口狭缝（8a）流出外部。通过盖（3）的旋转，可以改变出口狭缝（8a）的横截面。盖（3）也用作节流阀。吸声器对含油压缩空气不敏感，没有辅助节流阀便于排出的压缩空气的相关节气门。

63. 发明授权

US4303131A Compressed-gas-operated reciprocating piston devices 失效
标题翻译：压缩气动往复活塞装置
公开(公告)号：US4303131A
公开(公告)日：1981-12-01
申请号：US125090
申请日：1980-02-27
申请人： Malcolm Clark
发明人： Malcolm Clark
IPC分类号： B25D17/00 , B25D17/12 , B23B45/16
CPC分类号： B25D17/12 , B25D17/00 , Y10S173/02
摘要： A compressed-gas-operated reciprocating-piston device, e.g. a concrete breaker, rock drill or chipping hammer, has a cylinder component of composite construction, comprising a rigid inner metal tube in which the piston reciprocates and a moulded outer sleeve of rubber or plastics material, e.g. polyurethane, which surrounds the tube over the majority of its length and is bonded thereto. The sleeve has three integral moulded longitudinal ribs in which are moulded longitudinal passages for transmission of compressed air to the cylinder interior. An outer tubular muffler of rubber or plastics material surrounds the composite cylinder component and defines a sound-reducing path for exhaust gas from the cylinder to the atmosphere. The exhaust gas is discharged into two spaces defined between two pairs of adjacent ribs of the sleeve within the muffler, these two spaces forming part of an expansion chamber in the muffler. This expansion chamber communicates with the atmosphere via a restriction, a second expansion chamber and a final duct leading to the exhaust opening in the muffler wall. The final duct is formed on the thickness of the muffler wall itself.
摘要翻译：压缩气体操作的往复活塞装置，例如。混凝土破碎机，凿岩机或切屑锤，具有复合结构的圆筒部件，其包括刚性内金属管，活塞在其中往复运动，橡胶或塑料材料的模制外套，例如，聚氨酯，其在其大部分长度上围绕管并且结合到其上。套筒具有三个整体成型的纵向肋，其中模制的纵向通道用于将压缩空气传送到气缸内部。橡胶或塑料材料的外部管状消声器围绕复合气缸部件并且限定了用于从气缸到大气的废气的减声路径。废气被排放到消声器内的套筒的两对相邻肋之间限定的两个空间中，这两个空间形成消音器中的膨胀室的一部分。该膨胀室经由限制器，第二膨胀室和通向消声器壁中的排气开口的最终管道与大气连通。最后的管道形成在消声器壁本身的厚度上。

64. 发明授权

US4286976A Combined sound damper and oil trap for a compressed air apparatus 失效
标题翻译：用于压缩空气装置的组合式阻尼器和油阱
公开(公告)号：US4286976A
公开(公告)日：1981-09-01
申请号：US113191
申请日：1980-01-18
申请人： Gunnar Eriksson
发明人： Gunnar Eriksson
IPC分类号： F04B39/16 , B25D17/12 , B25D17/26 , F01N1/08 , F01N3/021 , F01N3/033 , F04B39/04 , B01D50/00 , F01N3/02
CPC分类号： B25D17/265 , B25D17/12 , F01N1/082 , F01N1/083 , F01N3/0211 , F01N3/033 , F01N2330/10 , F01N2330/102 , F01N2450/16 , F01N2450/18 , F01N2470/18 , Y02T10/20 , Y10S55/21 , Y10S55/25
摘要： A combined sound damper and oil trap for compressed air apparatus comprising an oil trap having a hose or tube (5) which is directly connected to the compressed air apparatus and which at the outer end thereof encloses a scraper sleeve (7), whereby a radial space is formed between the scraper sleeve (7) and the hose or tube. The hose or tube is connected to an oil collector housing (1) whereas the scraper sleeve (7) is connected to a pressure chamber (2) which in turn directly communicates with a filter housing (3) containing a sound damper. The said sound damper comprises both a diffusor plate (11) provided between the pressure chamber and the filter housing (3) and a filter (12) which is mounted at the outlet end of the filter housing. The diffusor plate (11) provides a damping of low frequency noise and a substantially even distribution of the outlet air over the entire diffusor plate, and the filter (12) provides both a separation of oil mist from the outlet air and a damping of high frequency noise.
摘要翻译：一种用于压缩空气装置的组合式阻尼器和油阱，包括具有直接连接到压缩空气装置的软管或管（5）的油阱，并且其外端包围刮刀套（7），其中径向在刮板套（7）和软管或管之间形成空间。软管或管连接到集油器壳体（1），而刮板套筒（7）连接到压力室（2），压力室（2）又与包含隔音器的过滤器壳体（3）直接连通。所述阻尼器包括设置在压力室和过滤器壳体（3）之间的扩散板（11）和安装在过滤器壳体的出口端处的过滤器（12）。扩散板（11）提供低频噪声的阻尼和整个扩散板上的出口空气的基本均匀的分布，并且过滤器（12）提供油雾与出口空气的分离和高的阻尼频率噪声。

65. 发明授权

US4049076A Sound damping apparatus 失效
公开(公告)号：US4049076A
公开(公告)日：1977-09-20
申请号：US629682
申请日：1975-11-06
申请人： Milo E. Murphy
发明人： Milo E. Murphy
IPC分类号： B25D17/12 , F01N1/16 , F01N1/22 , F01N1/08
CPC分类号： F01N1/16 , B25D17/12 , F01N1/22
摘要： A sound damping apparatus has a resilient wall that defines a first volume and rigid walls defining a second or third volume. A gas entry communicates with the volume defined by the resilient wall. The resilient wall and the rigid walls are in contact such that gas pressure separates the walls and the wall to intermittently define a gas exit between volumes within the wall.

66. 发明授权

US4049075A Sound damping apparatus 失效
标题翻译：声音抑制装置
公开(公告)号：US4049075A
公开(公告)日：1977-09-20
申请号：US629681
申请日：1975-11-06
申请人： Milo E. Murphy
发明人： Milo E. Murphy
IPC分类号： B25D17/12 , F01N1/16 , F01N1/22
CPC分类号： B25D17/12 , F01N1/16 , F01N1/22
摘要： A sound damping apparatus has a resilient wall that defines a first volume and rigid wall defining a second or third volume. One rigid wall may be a part of the device muffled. A gas entry communicates with the volume defined by the resilient wall. The resilient wall and the rigid walls are in contact such that gas pressure separates the walls and the wall to intermittently define gas passages between volumes. Fluid within the wall surrounding the resilient wall dampens resilient wall vibration.

67. 发明授权

US3896897A Exhaust muffler 失效
标题翻译：排气消声器
公开(公告)号：US3896897A
公开(公告)日：1975-07-29
申请号：US40540173
申请日：1973-10-11
申请人： WEST CHESTER CHEM CO
发明人： HILBUSH JR EDWARD O
IPC分类号： B25D17/12 , F01N1/24 , F01N13/16 , F01N3/06
CPC分类号： F01N13/16 , B25D17/12 , F01N1/24 , Y10T428/24999
摘要： This invention relates to an improved sound dampener or muffler primarily useful in reducing the noise level resulting from exhaust gases. The invention has particular applicability to the reduction of noise produced by pneumatic tools such as air hammers, air drills and air wrenches.
摘要翻译：本发明涉及一种改进的隔音器或消音器，其主要用于降低由废气引起的噪声水平。本发明特别适用于减少气动工具如气锤，气动钻和气动扳手产生的噪音。

68. 发明授权

US3446293A Pile driver 失效
公开(公告)号：US3446293A
公开(公告)日：1969-05-27
申请号：US3446293D
申请日：1966-12-28
申请人： AMERICAN DRILLING & BORING CO
发明人： GUILD CHARLES L , GOODMAN WILLARD B
IPC分类号： E02D13/10 , E02D7/06 , B25D17/12
CPC分类号： E02D13/10

69. 发明授权

US3365022A Silencing means for percussive pneumatic tools 失效
标题翻译：打击气动工具的沉默手段
公开(公告)号：US3365022A
公开(公告)日：1968-01-23
申请号：US60296766
申请日：1966-12-19
申请人： HOLMAN BROTHERS LTD
发明人： BARBER ANTONY D , GEORGE ADAMSON MICHAEL
IPC分类号： B25D17/12 , B25D17/14
CPC分类号： B25D17/12

70. 发明授权

US3235030A Pneumatic rock drill muffler with water mingling pipe 失效
标题翻译：气动凿岩器消声器与水混合管
公开(公告)号：US3235030A
公开(公告)日：1966-02-15
申请号：US40259364
申请日：1964-10-08
申请人： LINDBERG RAYMOND L
发明人： LINDBERG RAYMOND L
IPC分类号： B25D17/12
CPC分类号： B25D17/12

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