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公开(公告)号：US10753234B2
公开(公告)日：2020-08-25
申请号：US15560236
申请日：2015-03-24
Inventor： Masataka Yamada , Manu Agarwal
IPC: H02P29/00 , F01D25/34 , F01D25/36 , F01D21/00 , F16H1/20 , F16H35/18 , H02K7/116 , H02P1/22 , H02P29/02
Abstract: A turning apparatus includes: an electric motor; a pinion gear that rotationally drives a wheel gear provided in a rotor in a first rotation direction and moves to a first position where the pinion gear can transmit a rotation of the electric motor to the wheel gear and a second position where the pinion gear cannot transmit the rotation of the electric motor to the wheel gear; a current value detection unit that detects a current value of the electric motor in a state where the pinion gear is positioned at the first position; and a control device that controls the electric motor to rotate the pinion gear in a second rotation direction opposite to the first rotation direction based on the current value detected by the current value detection unit.
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公开(公告)号：US10082044B2
公开(公告)日：2018-09-25
申请号：US15503290
申请日：2014-11-05
Inventor： Hirokazu Kawashima , Masataka Yamada , Manu Agarwal
Abstract: A turning apparatus (30) includes an electric motor (41), a moving gear (53) that is movable between a first position at which rotation of an output shaft (43) of the electric motor (41) is able to be transmitted to a rotor (11), and a second position and a third position, which are different from each other and at which rotation of the output shaft (43) is unable to be transmitted to the rotor (11), a movement mechanism (60) configured to move the moving gear (53) between the first position, the second position and the third position, and a control device (61) configured to control the movement mechanism (60) based on a retreat signal such that the moving gear (53) is moved from the first position to the second position and control the movement mechanism (60) based on an adhesion prevention signal such that the moving gear (53) reciprocates between the second position and the third position.
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公开(公告)号：US10072529B2
公开(公告)日：2018-09-11
申请号：US14894293
申请日：2014-01-28
Inventor： Masataka Yamada
CPC classification number: F01D25/34 , F01D15/08 , F01D21/00 , F05D2220/31 , F16H1/20 , F16H3/34 , F16H35/18 , F16H59/02
Abstract: A turning device is provided with: a casing; a drive motor provided above the casing; a drive wheel rotated by the drive motor, the drive wheel being supported on one side of a reference plane located on the drive axis of the drive motor and parallel to the vertical direction, the drive wheel being rotatable about a reference line intersecting the reference plane; a driven wheel disposed within the casing, the driven wheel being supported so as to be rotatable about an axis parallel to the reference line, the driven wheel being connected to the drive wheel through an annular member; a first gear wheel coaxially connected to the driven wheel and having a first spur gear; a second gear wheel having a second spur gear meshing with a wheel gear which is provided coaxially with a rotating shaft extending parallel to the reference line, the second spur gear also meshing with the first spur gear of the first gear wheel; an arm member for rotatably supporting the second gear wheel; a movement mechanism for moving the arm member to thereby move the second gear wheel between a meshed position at which the second gear wheel is meshed with the wheel gear and a retracted position at which the second gear wheel is not meshed with the wheel gear; and a cover adapted to mountable and removable from the casing and covering the drive wheel.
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公开(公告)号：US20180051594A1
公开(公告)日：2018-02-22
申请号：US15560236
申请日：2015-03-24
Inventor： Masataka Yamada , Manu Agarwal
CPC classification number: F01D25/36 , F01D21/00 , F01D25/34 , F05D2220/31 , F05D2260/4031 , F16H1/20 , F16H35/18 , H02K7/116 , H02P1/22 , H02P29/00 , H02P29/02
Abstract: A turning apparatus includes: an electric motor; a pinion gear that rotationally drives a wheel gear provided in a rotor in a first rotation direction and moves to a first position where the pinion gear can transmit a rotation of the electric motor to the wheel gear and a second position where the pinion gear cannot transmit the rotation of the electric motor to the wheel gear; a current value detection unit that detects a current value of the electric motor in a state where the pinion gear is positioned at the first position; and a control device that controls the electric motor to rotate the pinion gear in a second rotation direction opposite to the first rotation direction based on the current value detected by the current value detection unit
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