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公开(公告)号：EP2349650B1
公开(公告)日：2013-01-23
申请号：EP09741016.1
申请日：2009-10-13
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公开(公告)号：EP2758668A1
公开(公告)日：2014-07-30
申请号：EP12766162.7
申请日：2012-08-28
发明人： YOKOTA, Tomoyoshi , KODATO, Seiichi , KITAGAWA, Hiroki , MATSUNAGA, Kenichi , MIURA, Masahiro , TAKAHASHI, Yoshimi
摘要： An air compressor comprising: a tank (50), a compression mechanism (30), a motor (5) and a control circuit (7). The control circuit (7) includes a CPU (70) and a storing unit (74) which stores a control program, the compressor operation history and a plurality of operation modes. Each of the operation modes is defined by two setting values: a reference restart pressure value and a motor rotational speed value, at least one of these values being different from among the plurality of modes. The control circuit (7) executes one of the plurality of modes as a target mode in which the control unit controls the motor to restart by comparing the pressure in the tank with the reference restart pressure and rotates the motor at the rotational speed of the target mode. The control circuit changes the target mode from the one of the plurality of modes to another one of the plurality of modes based on the compressor operation history.
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公开(公告)号：EP2346648B1
公开(公告)日：2012-12-19
申请号：EP09741017.9
申请日：2009-10-13
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公开(公告)号：EP2349650A1
公开(公告)日：2011-08-03
申请号：EP09741016.1
申请日：2009-10-13
发明人： KITAGAWA, Hiroki , NISHIDA, Masashi , SHIGE, Tetsuhito , AKUTSU, Kousuke , NAGAO, Masaya , HIRAI, Shouichi
摘要： The nailing machine (1) comprises an air passage (510) allowing communication between a cylinder (200) and a return air chamber (500) in which compressed air for returning a piston (300) to the initial position is accumulated. The air passage (510) is provided with a control valve (520) controlling entry of compressed air into the return air chamber (500) from the cylinder (200). The control valve (520) opens the air passage 510 and allows entry of compressed air into the return air chamber (500) in the case wherein the nailed object produces a small reaction force upon driving the nail, namely when the upward moving distance of the body (100) relative to the push lever (700) is smaller than a predetermined distance. The compressed air that has entered the return air chamber (500) further enters a below-the-piston chamber and serves as air damper, reducing excess energy absorbed by a piston bumper (360).
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公开(公告)号：EP2346648A1
公开(公告)日：2011-07-27
申请号：EP09741017.9
申请日：2009-10-13
发明人： KITAGAWA, Hiroki , NISHIDA, Masashi , SHIGE, Tetsuhito , AKUTSU, Kousuke , NAGAO, Masaya , HIRAI, Shouichi
摘要： The nailing machine (1) comprises an air passage (510) allowing communication between a cylinder (200) and a return air chamber (500) in which compressed air for returning a piston (300) to the initial position is accumulated. The air passage (510) is provided with a control valve (520) controlling entry of compressed air into the return air chamber (500) from the cylinder (200). The control valve (520) opens the air passage (510) and allows entry of compressed air into the return air chamber (500) in the case wherein the nailed object produces a small reaction force upon driving the nail, namely when the upward moving distance of the body (100) relative to the push lever (700) is smaller than a predetermined distance. The compressed air that has entered the return air chamber (500) further enters a below-the-piston chamber and serves as air damper, reducing the driving force.
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