Patents by Inventor David D. Huang
David D. Huang 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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Publication number: 20210001495Abstract: A direct drive brushless motor including a plurality of rotational components and a plurality of non-rotational components. Ones of the pluralities of rotational and non-rotational components form a dual magnetic circuit. The plurality of rotational components includes a center rotation shaft circumscribed by a plurality of coils and a coil termination plate configured to support the plurality of coils. The plurality of non-rotational components includes a plurality of outer magnets arranged around the plurality of coils in a Halbach configuration and a plurality of inner magnets arranged in a Halbach configuration between the coils and the shaft. A flex cable having one or more leads provides electrical current to the plurality of coils without the use of brushes.Type: ApplicationFiled: September 22, 2020Publication date: January 7, 2021Inventors: Edward A. NEFF, Toan M. VU, David D. Huang, Naoyuki Okada, Andrew Gladoch
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Patent number: 10807248Abstract: A direct drive brushless motor including a plurality of rotational components and a plurality of non-rotational components. Ones of the pluralities of rotational and non-rotational components form a dual magnetic circuit. The plurality of rotational components includes a center rotation shaft circumscribed by a plurality of coils and a coil termination plate configured to support the plurality of coils. The plurality of non-rotational components includes a plurality of outer magnets arranged around the plurality of coils in a Halbach configuration and a plurality of inner magnets arranged in a Halbach configuration between the coils and the shaft. A flex cable having one or more leads provides electrical current to the plurality of coils without the use of brushes.Type: GrantFiled: September 21, 2017Date of Patent: October 20, 2020Assignee: Systems, Machines, Automation Components CorporationInventors: Edward A. Neff, Toan M. Vu, David D. Huang, Naoyuki Okada, Andrew Gladoch
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Patent number: 10005187Abstract: A prosthetic finger, comprising: a first axis of movement comprising a moving magnet; a second axis of movement comprising a moving coil, wherein the second axis is generally orthogonal to the first axis; and a third axis of movement comprising a moving magnet, wherein the third axis of movement is generally oriented in the same direction as the first axis of movement.Type: GrantFiled: January 7, 2016Date of Patent: June 26, 2018Inventors: Edward A. Neff, Toan M. Vu, Johannes Theodorus Antonius van de Ven, Michael A. Ferris, Naoyuki Okada, David D. Huang
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Publication number: 20180071921Abstract: A direct drive brushless motor including a plurality of rotational components and a plurality of non-rotational components. Ones of the pluralities of rotational and non-rotational components form a dual magnetic circuit. The plurality of rotational components includes a center rotation shaft circumscribed by a plurality of coils and a coil termination plate configured to support the plurality of coils. The plurality of non-rotational components includes a plurality of outer magnets arranged around the plurality of coils in a Halbach configuration and a plurality of inner magnets arranged in a Halbach configuration between the coils and the shaft. A flex cable having one or more leads provides electrical current to the plurality of coils without the use of brushes.Type: ApplicationFiled: September 21, 2017Publication date: March 15, 2018Inventors: Edward A. NEFF, Toan M. VU, David D. Huang, Naoyuki Okada, Andrew Gladoch
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Patent number: 9871435Abstract: A direct drive motor for a robotic finger. The direct drive motor includes a plurality of outer magnets and a coil assembly including a plurality of coils surrounded by the plurality of outer magnets. The plurality of coils are configured to generate a magnetic field when current is conducted through them such that the coil assembly rotates relative to the plurality of outer magnets. The direct drive motor further includes a plurality of inner magnets surrounded by the plurality of coils and a core element surrounded by the plurality of inner magnets. A center rotation shaft is positioned within an interior space circumscribed by the core element.Type: GrantFiled: January 30, 2015Date of Patent: January 16, 2018Inventors: Edward A. Neff, Taon M. Vu, David D. Huang, Naoyuki Okada, Andrew Gladoch
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Publication number: 20160229064Abstract: A prosthetic finger, comprising: a first axis of movement comprising a moving magnet; a second axis of movement comprising a moving coil, wherein the second axis is generally orthogonal to the first axis; and a third axis of movement comprising a moving magnet, wherein the third axis of movement is generally oriented in the same direction as the first axis of movement.Type: ApplicationFiled: January 7, 2016Publication date: August 11, 2016Applicant: Systems, Machines, Automation Components CorporationInventors: Edward A. Neff, Toan M. Vu, Johannes Theodorus Antonius van de Ven, Michael A. Ferris, Naoyuki Okada, David D. Huang
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Patent number: 9381649Abstract: A robotic finger, comprising: a first axis of movement comprising a moving magnet; a second axis of movement comprising a moving coil, wherein the second axis is generally orthogonal to the first axis; and a third axis of movement comprising a moving magnet, wherein the third axis of movement is generally oriented in the same direction as the first axis of movement.Type: GrantFiled: June 25, 2013Date of Patent: July 5, 2016Inventors: Edward A. Neff, Toan M. Vu, Johannes Theodorus Antonius van de Ven, Michael A. Ferris, Naoyuki Okada, David D. Huang
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Patent number: 9375848Abstract: A prosthetic finger, comprising: a first axis of movement comprising a moving magnet; a second axis of movement comprising a moving coil, wherein the second axis is generally orthogonal to the first axis; and a third axis of movement comprising a moving magnet, wherein the third axis of movement is generally oriented in the same direction as the first axis of movement.Type: GrantFiled: June 25, 2013Date of Patent: June 28, 2016Inventors: Edward A. Neff, Toan M. Vu, Johannes Theodorus Antonius van de Ven, Michael A. Ferris, Naoyuki Okada, David D. Huang
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Publication number: 20150303785Abstract: A direct drive motor for a robotic finger. The direct drive motor includes a plurality of outer magnets and a coil assembly including a plurality of coils surrounded by the plurality of outer magnets. The plurality of coils are configured to generate a magnetic field when current is conducted through them such that the coil assembly rotates relative to the plurality of outer magnets. The direct drive motor further includes a plurality of inner magnets surrounded by the plurality of coils and a core element surrounded by the plurality of inner magnets. A center rotation shaft is positioned within an interior space circumscribed by the core element.Type: ApplicationFiled: January 30, 2015Publication date: October 22, 2015Inventors: Edward A. Neff, Taon M. Vu, David D. Huang, Naoyuki Okada, Andrew Gladoch
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Publication number: 20150171723Abstract: An actuator apparatus includes a magnet housing defining an interior volume between a first opening at a first end and a second opening at a second end. Multiple magnets are included within the magnet housing. A piston assembly includes a piston housing, a coil and a shaft. A magnetic pole is configured to be received through the second opening of the magnet housing and within the interior volume. The magnetic pole defines an interior lumen and an opening in communication with the interior lumen. At least a portion of the piston assembly is configured to be movably received through the first opening of the magnet housing and within the interior volume such that the magnetic pole is received within the interior region of the piston housing and at least a portion of the shaft is received within the interior lumen of the magnetic pole.Type: ApplicationFiled: October 24, 2014Publication date: June 18, 2015Inventors: Edward A. Neff, Toan M. Vu, David D. Huang, Naoyuki Okada, Andrew Gladoch, Jaime Sandoval
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Publication number: 20140159407Abstract: A prosthetic finger, comprising: a first axis of movement comprising a moving magnet; a second axis of movement comprising a moving coil, wherein the second axis is generally orthogonal to the first axis; and a third axis of movement comprising a moving magnet, wherein the third axis of movement is generally oriented in the same direction as the first axis of movement.Type: ApplicationFiled: June 25, 2013Publication date: June 12, 2014Applicant: Syetems, Machines, Automation Components CorporationInventors: Edward A. Neff, Toan M. Vu, Johannes Theodorus Antonius van de Ven, Michael A. Ferris, Naoyuki Okada, David D. Huang
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Publication number: 20140159408Abstract: A robotic finger, comprising: a first axis of movement comprising a moving magnet; a second axis of movement comprising a moving coil, wherein the second axis is generally orthogonal to the first axis; and a third axis of movement comprising a moving magnet, wherein the third axis of movement is generally oriented in the same direction as the first axis of movement.Type: ApplicationFiled: June 25, 2013Publication date: June 12, 2014Applicant: Systems, Machines, Automation Components CorporationInventors: Edward A. Neff, Toan M. Vu, Johannes Theodorus Antonius van de Ven, Michael A. Ferris, Naoyuki Okada, David D. Huang