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1. 发明申请

WO2014126980A2 POWER TOOL WITH FLUID BOOST 审中-公开
标题翻译：带有流体增压的电动工具
公开(公告)号：WO2014126980A2
公开(公告)日：2014-08-21
申请号：PCT/US2014/015981
申请日：2014-02-12
申请人： STANLEY BLACK & DECKER, INC.
发明人： LEHNERT, Mark W. , JARDELEZA, Gualberto
IPC分类号： B23Q5/06 , B25F5/00
CPC分类号： A61K38/063 , A61K9/0014 , A61K9/0019 , A61K9/0053 , A61K9/006 , A61K9/0095 , A61K9/127 , A61K9/4858
摘要： A power tool includes a fluidically-driven prime mover controlled by a multi-stage, throttle-actuated dual-ported mechanism disposed in the power tool. When the first stage is actuated, pressurized fluid is admitted into the prime mover via a first delivery path in fluid communication with one of the ports. When the second stage is actuated, pressurized fluid is also admitted into the prime mover via a second delivery path in fluid communication with the other port to augment the volume of pressurized fluid admitted into the prime mover via the first delivery path. In one embodiment of the present invention, the prime mover includes a dual-chamber air motor. Upon detecting an imminent stall condition, an operator can axially advance a trigger stem to admit a boost of pressurized air into the motor via the second delivery path.
摘要翻译：动力工具包括由布置在动力工具中的多级节气门致动的双端口机构控制的流体驱动原动机。当第一级被致动时，加压流体经由与其中一个端口流体连通的第一输送路径进入原动机。当第二级被致动时，加压流体也经由与另一端口流体连通的第二输送路径进入原动机，以增大经第一输送路径进入原动机的增压流体的体积。在本发明的一个实施例中，原动机包括双室空气马达。在检测到即将停止的情况时，操作人员可以轴向推进扳机杆，以允许经由第二输送路径将加压空气增压到马达中。

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