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公开(公告)号：US08647084B2
公开(公告)日：2014-02-11
申请号：US13365756
申请日：2012-02-03
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
CPC classification number: F01C1/3446 , F01C11/002 , F01C13/02 , F01C20/02 , F01C21/18 , F01C21/186
Abstract: In a cylinder dividing mechanism of a pneumatic tool, the first and second air pressure driving spaces are formed in the chamber, the first and second external channels are set externally on the circumferential wall, the first external channel is connected with the first air intake and air intake/exhaust dividing controller, and the second external channel is connected with the second air intake and air intake/exhaust dividing controller. As such, a single chamber is provided with two air pressure driving spaces for synchronous compression and driving of the rotor. The driving torsion for the pneumatic tool could be multiplied without need of increasing the volume of the chamber of the cylinder to cater for the need of the users with improved applicability.
Abstract translation: 在气动工具的气缸分割机构中，第一和第二空气压力驱动空间形成在室中，第一和第二外部通道设置在外壁上，第一外部通道与第一进气口连接， 进气/排气分配控制器，第二外部通道与第二进气和进气/排气分配控制器连接。 因此，单个腔室设置有用于同步压缩和驱动转子的两个空气压力驱动空间。 可以增加气动工具的驱动扭矩，而不需要增加气缸的容积，以满足使用者需要改进的适用性。
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公开(公告)号：US20170043458A1
公开(公告)日：2017-02-16
申请号：US15202101
申请日：2016-07-05
Applicant: Ching-Shun CHANG
Inventor： Ching-Shun CHANG
CPC classification number: F01B23/06 , B25B21/026
Abstract: A pneumatic tool motor includes a cylinder, a rotor set, an output shaft and an internal hammering device received in a roller cylinder of the rotor set. A front cover and a rear cover respectively mounted on two opposite ends of the roller cylinder, wherein a front bearing and a rear bearing are respectively disposed in the front cover and the rear cover. The roller cylinder has two opposite ends respectively connected to the first bearing and the second bearing and the two opposite ends of the roller cylinder respectively abut against the front cover and the rear cover. Consequently, the roller cylinder does not needs to form any terminal structures on its two opposite ends for simplifying structure, reducing manufacturing cost and narrowing volume.
Abstract translation: 气动工具电动机包括容纳在转子组的辊筒中的气缸，转子组，输出轴和内锤击装置。 分别安装在滚筒的两个相对端的前盖和后盖，其中前轴承和后轴承分别设置在前盖和后盖中。 辊筒具有分别连接到第一轴承和第二轴承的两个相对端，并且辊筒的两个相对端分别抵靠前盖和后盖。 因此，为了简化结构，降低制造成本和缩小体积，滚筒不需要在其两端形成端子结构。
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公开(公告)号：US09545708B2
公开(公告)日：2017-01-17
申请号：US13941923
申请日：2013-07-15
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
CPC classification number: B25B21/02 , B23B45/04 , B25B21/00 , B25B23/1453 , B25D9/08 , B25F5/00 , B25F5/02
Abstract: A pneumatic motor with built-in striker mechanism mainly includes a cylinder, rotor set and output shaft lever. The rotor set has a rotary drum and flexible blades. The output shaft lever can be driven by the rotary drum. A chamber is formed into the rotary drum and a striking portion on the output shaft lever is located within the chamber. The built-in striker mechanism is placed in the chamber and has striking bulges protruded on the striking portion, movable hammers sleeved externally on the striking bulge and struts axially located on the rotary drum. This new pneumatic motor has the striker mechanism set into the rotary drum of the rotor set, thus reducing greatly the axial length and volume of the pneumatic motor and realizing ease-of-use.
Abstract translation: 具有内置撞击机构的气动马达主要包括气缸，转子组和输出轴杆。 转子组具有旋转鼓和柔性叶片。 输出轴杆可由旋转鼓驱动。 一个室形成旋转滚筒，输出轴杠杆上的一个击打部分位于该腔室内。 内置的撞击机构被放置在腔室中，并且具有突出在击打部分上的突出的凸起，可动的锤子从外部套在撞击凸起上并且轴向地位于旋转鼓上。 这种新的气动马达具有设置在转子组的旋转鼓中的撞针机构，因此大大减小了气动马达的轴向长度和体积，实现了易用性。
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公开(公告)号：US20150330219A1
公开(公告)日：2015-11-19
申请号：US14281157
申请日：2014-05-19
Applicant: Ching-Shun CHANG
Inventor： Ching-Shun CHANG
CPC classification number: F01C1/3441 , F01C13/02 , F01C21/08 , F04C2250/20
Abstract: A pneumatic tool motor rotor with thrust augmentation effect has a rotor body in the shape of a three-dimensional cylinder having a circular wall and two end faces, and the circular wall is circularly arranged with multiple concave grooves with preset intervals. Motive blades are configured on the concave grooves, flexible on the radial direction. A power outputting shaft protrudes from the rotor body. Augmenting concave parts are formed nearby the concave grooves on the circular wall of the rotor body and include a wind guiding surface and a pushed augmenting surface, with the facing direction of the pushed augmenting surface being the same as or close to that of the motive blades. Between the pushed augmenting surface and the nearby concave groove, a separating rib is formed, and the wind guiding surface extends outside from the inner end of the pushed augmenting surface and connects with the circular wall.
Abstract translation: 具有推力增加效果的气动工具电动机转子具有呈圆形壁和两个端面的三维圆筒形状的转子体，并且圆形壁以预定间隔圆形排列有多个凹槽。 动叶片构造在凹槽上，径向柔性。 动力输出轴从转子体突出。 增强凹部形成在转子体的圆形壁上的凹槽附近，并且包括导风表面和推动的增强表面，其中被推动的增强表面的相对方向与动力叶片的相同或接近 。 在被推动的增加表面和附近的凹槽之间形成有分隔肋，并且导风表面从被推动的增加表面的内端延伸到外部并与圆形壁连接。
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5.发明申请公开(公告)号：US20110232475A1
公开(公告)日：2011-09-29
申请号：US12730388
申请日：2010-03-24
Applicant: Ching-Shun CHANG
Inventor： Ching-Shun CHANG
IPC: B25D9/06
CPC classification number: B23D51/18
Abstract: An integrated module of cylinder and reversing assembly of a reciprocating pneumatic tool is arranged between an air pressure guiding seat and a guiding cylinder of piston rod in the groove of a reciprocating pneumatic tool. The integrated module includes a cylinder body with a hollow body shaping an inner/external end and a chamber. The chamber is used for accommodating the piston of the piston rod. Several air flow ducts are laterally set at interval onto the chamber. A reversible actuating slot is recessed into the inner end of the cylinder body, and provided with a through-hole connected with the chamber of the cylinder body. A reversing brake block is accommodated movably into the reversible actuating slot. A spacing ring is accommodated into the reversible actuating slot to limit the reversing brake block. The cylinder and flow reversing body can be combined to simplify the structural members.
Abstract translation: 往复式气动工具的气缸和反向组件的集成模块布置在往复气动工具的槽中的空气压力引导座和活塞杆的引导筒之间。 集成模块包括具有成形内/外端和腔室的中空体的筒体。 该腔室用于容纳活塞杆的活塞。 几个气流管道间隔地侧向设置在腔室上。 可逆的致动槽凹陷到缸体的内端，并且设置有与缸体的室连接的通孔。 可逆的制动块可移动地容纳在可逆的致动槽中。 间隔环被容纳在可逆的致动槽中以限制反向制动块。 可以组合气缸和流动反转体以简化结构构件。
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Patent Agency Ranking
公开(公告)号：US20050263308A1
公开(公告)日：2005-12-01
申请号：US11126238
申请日：2005-05-11
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
CPC classification number: B25F5/006 , B25D17/24 , B25D2222/61
Abstract: A damping structure used in a pneumatic tool and coupled to an impact unit for absorbing shocks from the impact unit is disclosed to include a housing, which has a mounting portion, a bearing hole and an accommodating chamber formed in the mounting portion, and locating device disposed at the bottom side of the bearing hole, a sliding barrel, which accommodates the impact unit and has a barrel body axially slidably mounted in the accommodating chamber in an airtight manner, and a damper, which is connected to one end of the sliding barrel to buffer movement of the sliding barrel relative to the housing and which has an axially compressible and stretchable body formed of a plurality of axially elastic deformation portions.
Abstract translation: 公开了一种用于气动工具并联接到用于吸收来自冲击单元的冲击的冲击单元的阻尼结构，包括壳体，其具有安装部分，轴承孔和形成在安装部分中的容纳室，以及定位装置 设置在轴承孔的底侧，滑动筒，其容纳冲击单元并且具有以气密方式轴向可滑动地安装在容纳室中的筒体，以及阻尼器，其连接到滑动桶的一端 以缓冲滑动筒相对于壳体的运动，并且其具有由多个轴向弹性变形部分形成的可轴向压缩且可拉伸的主体。
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公开(公告)号：US20130202471A1
公开(公告)日：2013-08-08
申请号：US13365756
申请日：2012-02-03
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
IPC: F01C19/00
CPC classification number: F01C1/3446 , F01C11/002 , F01C13/02 , F01C20/02 , F01C21/18 , F01C21/186
Abstract: In a cylinder dividing mechanism of a pneumatic tool, the first and second air pressure driving spaces are formed in the chamber, the first and second external channels are set externally on the circumferential wall, the first external channel is connected with the first air intake and air intake/exhaust dividing controller, and the second external channel is connected with the second air intake and air intake/exhaust dividing controller. As such, a single chamber is provided with two air pressure driving spaces for synchronous compression and driving of the rotor. The driving torsion for the pneumatic tool could be multiplied without need of increasing the volume of the chamber of the cylinder to cater for the need of the users with improved applicability.
Abstract translation: 在气动工具的气缸分割机构中，第一和第二空气压力驱动空间形成在室中，第一和第二外部通道设置在外壁上，第一外部通道与第一进气口连接， 进气/排气分配控制器，第二外部通道与第二进气和进气/排气分配控制器连接。 因此，单个腔室设置有用于同步压缩和驱动转子的两个空气压力驱动空间。 可以增加气动工具的驱动扭矩，而不需要增加气缸的容积，以满足使用者需要改进的适用性。
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公开(公告)号：US08196675B2
公开(公告)日：2012-06-12
申请号：US12730396
申请日：2010-03-24
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
IPC: B25D17/00
CPC classification number: B25D17/24 , B25D9/08 , B25D2250/371
Abstract: An impact hammer with pre-pressing damping and buffering effect includes a handle, outer barrel, air inlet, internal slide, actuating cylinder, air flow switching module and air inlet coupling portion. A front damper is assembled between the front end of the internal slide and the front end wall of the holding space and is characterized by a two-section pre-pressing rear damper assembled between the rear end of the internal slide and the rear end wall of the holding space. The two-section pre-pressing rear damper includes superposed upper and lower elastic buffers. At least the lower elastic buffer is pressed by a pre-pressing member to the preset degree. When the impact hammer yields recoil force under the impaction of the piston, the pre-pressing rear damper is employed to realize stronger buffering effect, so that the impact force is not much affected, thereby improving the impact efficiency and yielding excellent buffering effect.
Abstract translation: 具有预压阻尼和缓冲效果的冲击锤包括手柄，外筒，进气口，内滑座，致动缸，气流切换模块和进气口联接部分。 前阻尼器组装在内部滑动件的前端和保持空间的前端壁之间，其特征在于，组装在内部滑动件的后端和后端壁之间的两段预压后阻尼器 持有空间。 两段预压后阻尼器包括叠加的上下弹性缓冲器。 至少下部弹性缓冲器被预压构件按压到预定程度。 当冲击锤在活塞碰撞时产生反冲力，采用预压后阻尼器实现更强的缓冲效果，使冲击力不受影响，提高冲击效率，产生优良的缓冲效果。
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公开(公告)号：US20120048583A1
公开(公告)日：2012-03-01
申请号：US12869915
申请日：2010-08-27
Applicant: CHING-SHUN CHANG
Inventor： CHING-SHUN CHANG
IPC: B25F5/00
CPC classification number: B25F5/006
Abstract: A reciprocating pneumatic tool has a main tool body, a suspension internal slider and a rear damping spring. A front buffer air chamber is formed the main tool body and the suspension internal slider. A by-pass air supply passage is set into the cylinder wall of the main tool body and is arranged at interval with the hollow chamber along its extension. Both ends of the by-pass air supply passage have a first and a second venting end. The first venting end is linked to the air control valve chamber of the air pressure control module, and the second venting end is linked to the front buffer air chamber. Air pressure passing through air control valve chamber can be guided the through by-pass air supply passage, so the front buffer air chamber accumulates air pressure to generate a damping effect on the front end of the suspension internal slider.
Abstract translation: 往复式气动工具具有主工具主体，悬架内部滑块和后阻尼弹簧。 前缓冲空气室形成主工具主体和悬架内部滑块。 旁通供气通道设置在主工具主体的气缸壁中，并且沿着其延伸部与中空室间隔设置。 旁路供气通道的两端具有第一和第二排气端。 第一通气端连接到空气压力控制模块的空气控制阀室，第二通气端连接到前缓冲空气室。 通过空气控制阀室的空气压力可以被引导通过旁路供气通道，因此前缓冲空气室积聚空气压力，以在悬架内部滑块的前端产生阻尼效果。
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公开(公告)号：US20050257942A1
公开(公告)日：2005-11-24
申请号：US11126240
申请日：2005-05-11
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
Abstract: An air intake control structure used in a pneumatic tool and coupled to an impact unit is disclosed to include a tool body, which has an accommodating chamber and an air inlet in air communication with the accommodating chamber, a sliding barrel, which holds the impact unit in the accommodating chamber and is movable between a first position and a second position and has a stop flange extending around the periphery, a damper unit for buffering relative movement between the sliding barrel and the tool body, and an air control device, which is mounted in the air inlet of the tool body for blocking the air intake when the sliding barrel is moved to the first position or opening the air inlet for letting a compressed air pass through the air inlet to move the impact unit when the sliding barrel is moved to the second position.
Abstract translation: 公开了一种用于气动工具并联接到冲击单元的进气控制结构，包括：工具主体，其具有容纳室和与容纳室空气连通的空气入口;滑动筒，其保持冲击单元 在所述容纳室中并且可在第一位置和第二位置之间移动并且具有围绕所述周边延伸的止动凸缘，用于缓冲所述滑动筒和所述工具主体之间的相对运动的阻尼单元，以及安装 在工具主体的空气入口中，当滑动筒移动到第一位置时，用于阻挡进气口，或者打开空气入口以使压缩空气通过空气入口以在滑动筒移动时移动冲击单元 第二个位置。
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