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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：US20050268778A1
公开(公告)日：2005-12-08
申请号：US11133382
申请日：2005-05-20
Applicant: Ching-Shun Chang
Inventor： Ching-Shun Chang
Abstract: A flow control device for use in a pneumatic tool is disclosed to include an air connector, which has a first bearing portion, a sealing portion, a second bearing portion, an air inlet, and an air outlet, a control socket, which is threaded onto the air connector and has a first bearing portion, a sealing portion, and a second bearing portion, a first seal for sealing the gap between the first bearing portion of the air connector and the first bearing portion of the control socket, a second seal for sealing the gap between the second bearing portion of the air connector and the second bearing portion of the control socket, and a flow-control seal for sealing the gap between the sealing portion of the control socket and the sealing portion of the air connector and for regulating the flow rate of a compressed air passing from the air inlet toward the air outlet upon rotation of the control socket relative to the air connector.
Abstract translation: 公开了一种用于气动工具的流量控制装置，包括一个空气连接器，它具有第一轴承部分，密封部分，第二轴承部分，进气口和出气口， 在空气连接器上并具有第一轴承部分，密封部分和第二轴承部分，用于密封空气连接器的第一轴承部分和控制插座的第一轴承部分之间的间隙的第一密封件，第二密封件 用于密封空气连接器的第二轴承部分和控制插座的第二轴承部分之间的间隙，以及用于密封控制插座的密封部分和空气连接器的密封部分之间的间隙的流量控制密封件，以及 用于在控制插座相对于空气连接器旋转时调节从空气入口朝向空气出口流动的压缩空气的流量。
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Patent Agency Ranking
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：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：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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