Patents by Inventor Shogo Makino
Shogo Makino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10727728Abstract: A linear motor includes a stator and a mover. The stator has a plurality of salient poles. The mover includes a plurality of first teeth; a plurality of coils respectively mounted on the periphery of the plurality of first teeth; a plurality of first magnets respectively buried within the first teeth; a second tooth provided outside the plurality of first teeth; and a second magnet buried within the second tooth. The second tooth includes a first portion on the opposite side of the first teeth with respect to the second magnet; and a second portion close to the first teeth with respect to the second magnet. In a protruding direction of the second tooth, an edge of the first portion is farther from the stator than an edge of the second portion.Type: GrantFiled: May 24, 2018Date of Patent: July 28, 2020Inventors: Masanobu Kakihara, Shogo Makino
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Publication number: 20200204100Abstract: A linear motor control apparatus for controlling at least one of torque, speed and position of a linear motor includes circuitry that receives at least one of a magnetic pole position value, torque command signal, and speed command signal, and imparts a high-frequency voltage to at least one of a d-axis and a q-axis and impart a load current to the q-axis based on the at least one of the magnetic pole position value, torque command signal, and speed command signal. The d-axis is an axis extending in a central direction of a stator tooth of a stator, and the q-axis is an axis extending in a direction offset 90 degrees from the central direction in an electrical angle.Type: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Masanobu KAKIHARA, Shogo MAKINO, Toru SHIKAYAMA
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Patent number: 10622928Abstract: This disclosure discloses a linear motor including a stator and a mover including a field magnet and an armature winding. The mover includes a mover iron core including a plurality of teeth around each of which the armature winding is wound. Some or all of the plurality of teeth include a first hole formed in a slot housing the armature winding.Type: GrantFiled: March 11, 2016Date of Patent: April 14, 2020Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Masanobu Kakihara, Shogo Makino, Toru Shikayama
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Patent number: 10547219Abstract: This disclosure discloses a rotating electric machine including a rotor and a stator. The rotating electric machine includes a stator core including a teeth part, and an air core coil. The air core coil is fitted to the teeth part. The air core coil includes curved end surfaces configured to approximately define a part of cylindrical shape at inner radial side and outer radial side. The air core coil includes approximately flat end surfaces at both circumferential sides and both axial sides.Type: GrantFiled: August 26, 2016Date of Patent: January 28, 2020Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tuyoshi Nonaka, Shogo Makino, Mitsunori Kamo
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Patent number: 10355574Abstract: This disclosure discloses a linear motor including a stator, a mover, and a plurality of teeth. The stator includes a stator curved part having an arc shape in a longitudinal direction. The mover is arranged facing the stator and is moved in the longitudinal direction of the stator. The plurality of teeth are arranged in parallel along the longitudinal direction so that a pitch of the teeth at an outer-peripheral side is larger than the pitch of the teeth at an inner-peripheral side on the stator curved part.Type: GrantFiled: June 3, 2016Date of Patent: July 16, 2019Inventors: Shogo Makino, Toru Shikayama, Masanobu Kakihara, Masayuki Hirayama, Haruki Yahara
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Publication number: 20180269766Abstract: A linear motor includes a stator and a mover. The stator has a plurality of salient poles. The mover includes a plurality of first teeth; a plurality of coils respectively mounted on the periphery of the plurality of first teeth; a plurality of first magnets respectively buried within the first teeth; a second tooth provided outside the plurality of first teeth; and a second magnet buried within the second tooth. The second tooth includes a first portion on the opposite side of the first teeth with respect to the second magnet; and a second portion close to the first teeth with respect to the second magnet. In a protruding direction of the second tooth, an edge of the first portion is farther from the stator than an edge of the second portion.Type: ApplicationFiled: May 24, 2018Publication date: September 20, 2018Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Masanobu KAKIHARA, Shogo MAKINO
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Patent number: 9978492Abstract: This disclosure discloses a coil. An outer shape of the coil as viewed from the first direction has an approximately rectangular shape or an approximately square shape with four corner parts. The coil includes at least one parallel part extended parallelly along the circumferential direction, and at least one connecting part arranged at a portion corresponding to any of the four corner parts, the at least one connecting part being extended along a diagonal direction with respect to the circumferential direction to connect the two parallel parts.Type: GrantFiled: March 12, 2015Date of Patent: May 22, 2018Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo Makino, Tuyoshi Nonaka, Mitsunori Kamo
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Publication number: 20160365758Abstract: This disclosure discloses a rotating electric machine including a rotor and a stator. The rotating electric machine includes a stator core including a teeth part, and an air core coil. The air core coil is fitted to the teeth part. The air core coil includes curved end surfaces configured to approximately define a part of cylindrical shape at inner radial side and outer radial side. The air core coil includes approximately flat end surfaces at both circumferential sides and both axial sides.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tuyoshi NONAKA, Shogo MAKINO, Mitsunori KAMO
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Publication number: 20160359402Abstract: This disclosure discloses a linear motor including a stator, a mover, and a plurality of teeth. The stator includes a stator curved part having an arc shape in a longitudinal direction. The mover is arranged facing the stator and is moved in the longitudinal direction of the stator. The plurality of teeth are arranged in parallel along the longitudinal direction so that a pitch of the teeth at an outer-peripheral side is larger than the pitch of the teeth at an inner-peripheral side on the stator curved part.Type: ApplicationFiled: June 3, 2016Publication date: December 8, 2016Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo MAKINO, Toru SHIKAYAMA, Masanobu KAKIHARA, Masayuki HIRAYAMA, Haruki YAHARA
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Publication number: 20160268883Abstract: This disclosure discloses a linear motor including a stator and a mover including a field magnet and an armature winding. The mover includes a mover iron core including a plurality of teeth around each of which the armature winding is wound. Some or all of the plurality of teeth include a first hole formed in a slot housing the armature winding.Type: ApplicationFiled: March 11, 2016Publication date: September 15, 2016Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Masanobu KAKIHARA, Shogo MAKINO, Toru SHIKAYAMA
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Publication number: 20160087515Abstract: A linear-rotary actuator includes a rotor and a stator. The rotor includes an output shaft, and makes a linear motion in an axial direction of the output shaft and a rotary motion in a circumferential direction of the output shaft. The rotor includes permanent magnets and yokes alternating with each other in the axial direction. Each yoke includes protrusions that protrude toward an outer circumferential side of a radial direction of the output shaft and that are arranged in the circumferential direction. Each protrusion includes overhangs respectively extending toward first and second sides of the axial direction to overlap the permanent magnets in the radial direction. The stator includes a linear motion winding to generate a first magnetic field to cause the rotor to make the linear motion, and a rotary motion winding to generate a second magnetic field to cause the rotor to make the rotary motion.Type: ApplicationFiled: September 17, 2015Publication date: March 24, 2016Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo MAKINO, Motomichi OHTO
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Publication number: 20160087516Abstract: A linear-rotary actuator includes a rotor and a stator. The rotor includes an output shaft, and makes a linear motion in an axial direction and a rotary motion in a circumferential direction. The rotor includes N and S pole portions alternating with each other in the axial direction as seen in the circumferential direction and alternating with each other in the circumferential direction as seen in the axial direction. The stator includes a linear motion winding, a rotary motion winding, and protruding cores. The protruding cores protrude toward an inner circumferential side of a radial direction to be opposed to the rotor. The protruding cores are arranged in the axial direction and in the circumferential direction, and displaced in the axial direction to form a circumferential line skewed relative to a direction in which the rotor makes the rotary motion.Type: ApplicationFiled: September 17, 2015Publication date: March 24, 2016Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo MAKINO, Motomichi OHTO
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Patent number: 9270156Abstract: A linear motor includes a stator and an armature that faces the stator with a gap therebetween. The stator has an elongated shape extending so as to cross a direction in which the stator faces the armature, and includes a plurality of salient poles that are arranged along a longitudinal direction of the stator and protrude toward the armature. The armature includes an armature core including a tooth that protrudes toward the stator, an armature winding wound around the tooth, a plurality of permanent magnets disposed on an end side of the tooth so as to be arranged along the longitudinal direction of the stator, and a magnetic-field sensor that detects a magnetic field which is generated by the plurality of permanent magnets and which passes through the plurality of salient poles.Type: GrantFiled: June 23, 2014Date of Patent: February 23, 2016Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo Makino, Motomichi Ohto, Yuji Arinaga
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Patent number: 9118237Abstract: A mover for a linear motor includes an armature having a plurality of teeth arranged along a line and wound with coils. The mover further includes a main-pole magnet array arranged at a side of the armature at which the teeth exist. The main-pole magnet array includes a plurality of main-pole magnets with different polarities alternately arranged along an arranging direction of the teeth. The mover further includes at least one auxiliary-pole magnet arranged adjacent to one end or both ends of the main-pole magnet array.Type: GrantFiled: March 12, 2012Date of Patent: August 25, 2015Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo Makino, Toru Shikayama
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Publication number: 20150187477Abstract: This disclosure discloses a coil. An outer shape of the coil as viewed from the first direction has an approximately rectangular shape or an approximately square shape with four corner parts. The coil includes at least one parallel part extended parallelly along the circumferential direction, and at least one connecting part arranged at a portion corresponding to any of the four corner parts, the at least one connecting part being extended along a diagonal direction with respect to the circumferential direction to connect the two parallel parts.Type: ApplicationFiled: March 12, 2015Publication date: July 2, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo MAKINO, Tuyoshi NONAKA, Mitsunori KAMO
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Patent number: 8987950Abstract: An actuator in accordance with an embodiment includes at least one linear motor, a partition member and a fan. The linear motor is configured to linearly move a shaft serving as a movable member. The partition member is provided close to the shaft and configured to partition a space defined between the shaft and a control board for controlling the linear motor. Further, the fan is arranged on the side of the shaft with respect to the partition member and configured to flow an air existing in a partitioned space on the side of the shaft.Type: GrantFiled: October 18, 2012Date of Patent: March 24, 2015Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Shogo Makino, Takeo Suzuki, Yukio Tsutsui, Motomichi Ohto
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Publication number: 20150028697Abstract: A linear motor includes a stator and an armature that faces the stator with a gap therebetween. The stator has an elongated shape extending so as to cross a direction in which the stator faces the armature, and includes a plurality of salient poles that are arranged along a longitudinal direction of the stator and protrude toward the armature. The armature includes an armature core including a tooth that protrudes toward the stator, an armature winding wound around the tooth, a plurality of permanent magnets disposed on an end side of the tooth so as to be arranged along the longitudinal direction of the stator, and a magnetic-field sensor that detects a magnetic field which is generated by the plurality of permanent magnets and which passes through the plurality of salient poles.Type: ApplicationFiled: June 23, 2014Publication date: January 29, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo MAKINO, Motomichi OHTO, Yuji ARINAGA
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Patent number: 8860261Abstract: An actuator according to an embodiment includes support mechanisms that are disposed in plural places of an output shaft in a longitudinal direction and support the output shaft in a linear direction and a rotation direction, a motor portion that is disposed in a longitudinal direction of the output shaft and drives the output shaft in the linear direction and the rotation direction, a first detecting portion that detects an angle of a rotation direction of the output shaft, and a second detecting portion that detects displacement of the direct direction of the output shaft.Type: GrantFiled: June 30, 2011Date of Patent: October 14, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Shogo Makino, Toru Shikayama, Haruki Yahara
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Patent number: 8847443Abstract: A stator for a linear motor includes a yoke portion made of a soft magnetic material. The yoke portion includes an attachment portion to which a fastener for fixing the yoke portion to an installation target is attached. The yoke portion extends rectilinearly. The yoke portion further includes a plurality of salient poles protruding from the yoke portion. The salient poles are arranged at a specified interval along an extension direction of the yoke portion.Type: GrantFiled: March 12, 2012Date of Patent: September 30, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Shogo Makino, Toru Shikayama
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Publication number: 20130049488Abstract: A stator for a linear motor includes a yoke portion made of a soft magnetic material. The yoke portion includes an attachment portion to which a fastener for fixing the yoke portion to an installation target is attached. The yoke portion extends rectilinearly. The yoke portion further includes a plurality of salient poles protruding from the yoke portion. The salient poles are arranged at a specified interval along an extension direction of the yoke portion.Type: ApplicationFiled: March 12, 2012Publication date: February 28, 2013Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shogo MAKINO, Toru SHIKAYAMA