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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：EP2337956A1
公开(公告)日：2011-06-29
申请号：EP09741474.2
申请日：2009-10-09
CPC分类号： F04B49/065 , F04B41/02 , F04B49/00 , F04B49/022 , F04B2203/0209 , F04B2205/05
摘要： When an air pressure in a tank part (5) drops from a maximum set pressure value (A1) to or below at least one restart set pressure value defined to lie in a range between the maximum set pressure value and a minimum set pressure value, a control circuit part (2) operates an electric motor (3b) at a predetermined revolving speed. When the air pressure in the tank part (5) drops from the restart set pressure value to or below the minimum set pressure value, the control circuit part (2) operates the electric motor (3b) at the predetermined revolving speed or a revolving speed lower than N2 until the air pressure in the tank part (5) reaches the maximum set pressure value.
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公开(公告)号：EP2337956B1
公开(公告)日：2018-02-14
申请号：EP09741474.2
申请日：2009-10-09
CPC分类号： F04B49/065 , F04B41/02 , F04B49/00 , F04B49/022 , F04B2203/0209 , F04B2205/05
摘要： When an air pressure in a tank part (5) drops from a maximum set pressure value (A1) to or below at least one restart set pressure value defined to lie in a range between the maximum set pressure value and a minimum set pressure value, a control circuit part (2) operates an electric motor (3b) at a predetermined revolving speed. When the air pressure in the tank part (5) drops from the restart set pressure value to or below the minimum set pressure value, the control circuit part (2) operates the electric motor (3b) at the predetermined revolving speed or a revolving speed lower than N2 until the air pressure in the tank part (5) reaches the maximum set pressure value.
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公开(公告)号：EP2170545B1
公开(公告)日：2011-04-13
申请号：EP08791579.9
申请日：2008-07-17
CPC分类号： B23D59/006 , B23D45/16 , B27B9/02 , B27G19/04 , B28D7/02
摘要： A portable cutter has a base member (8), a main body (2), a cutting blade (3), a protection member (4), a dust collection member (12), and a guide member (8A). The base member moves on a workpiece, the base member having a shaft provided in proximity to one end thereof. The main body is coupled to the base member. A posture of the main body with respect to the base member is changeable. The cutting blade is attached to the main body and driven to cut the workpiece. The cutting blade has an outer periphery. The protection member covers a part of the outer periphery of the cutting blade. The dust collection member has an inlet provided in proximity to the outer periphery of the cutting blade for drawing and collecting dust. The guide member is pivotably supported to the shaft of the base member for guiding the dust to the opening of the dust collection member.
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公开(公告)号：EP2170545A1
公开(公告)日：2010-04-07
申请号：EP08791579.9
申请日：2008-07-17
CPC分类号： B23D59/006 , B23D45/16 , B27B9/02 , B27G19/04 , B28D7/02
摘要： A portable cutter has a base member (8), a main body (2), a cutting blade (3), a protection member (4), a dust collection member (12), and a guide member (8A). The base member moves on a workpiece, the base member having a shaft provided in proximity to one end thereof. The main body is coupled to the base member. A posture of the main body with respect to the base member is changeable. The cutting blade is attached to the main body and driven to cut the workpiece. The cutting blade has an outer periphery. The protection member covers a part of the outer periphery of the cutting blade. The dust collection member has an inlet provided in proximity to the outer periphery of the cutting blade for drawing and collecting dust. The guide member is pivotably supported to the shaft of the base member for guiding the dust to the opening of the dust collection member.
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