Patents by Inventor Shin Fukasawa
Shin Fukasawa 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: 11519490Abstract: A oil supply unit includes an axial body including an axial through hole along an axis and disposed so as to be rotatable around the axis, a pipe member disposed along the axis inside the axial through hole, a support member supporting an axial end of the pipe member, and a partitioning member partitioning a circular space between the axial body and an the pipe member to an axial direction. A first through hole and a second through hole are respectively formed to penetrate the pipe member and the axial body so that an oil supplied to an inside of the pipe member flows to a radial outside of the axial body through the circular space, and the partitioning member includes a tapered portion extending toward a radial inside and the axial direction of the axial body from the inner circumferential surface of the axial body.Type: GrantFiled: February 5, 2020Date of Patent: December 6, 2022Assignee: Honda Motor Co., Ltd.Inventor: Shin Fukasawa
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Publication number: 20200256452Abstract: A oil supply unit includes an axial body including an axial through hole along an axis and disposed so as to be rotatable around the axis, a pipe member disposed along the axis inside the axial through hole, a support member supporting an axial end of the pipe member, and a partitioning member partitioning a circular space between the axial body and an the pipe member to an axial direction. A first through hole and a second through hole are respectively formed to penetrate the pipe member and the axial body so that an oil supplied to an inside of the pipe member flows to a radial outside of the axial body through the circular space, and the partitioning member includes a tapered portion extending toward a radial inside and the axial direction of the axial body from the inner circumferential surface of the axial body.Type: ApplicationFiled: February 5, 2020Publication date: August 13, 2020Inventor: Shin Fukasawa
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Patent number: 9683651Abstract: A lubrication system for a transmission includes a first tubular portion, a second tubular portion, and a hollow cylindrical member. The first tubular portion has a cavity and includes a flange at one end adjacent to a gear shaft of the transmission. The first tubular portion has a first enlarged-diameter part extending in an axial direction from a joint at which the first tubular portion is joined to the second tubular portion. The second tubular portion has a second enlarged-diameter part that extends in the axial direction from the joint and has a diameter substantially equal to a diameter of the first enlarged-diameter part. The hollow cylindrical member is disposed in the first and second tubular portions and tightly fitted in the first and second enlarged-diameter parts of the first and second tubular portions joined to each other.Type: GrantFiled: June 4, 2015Date of Patent: June 20, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Shin Fukasawa, Mitsuo Kimura
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Patent number: 9599211Abstract: In a transmission, an inner end portion in a radial direction of a washer abuts on an inner race of a first bearing, and a seal surface provided on an outer end in the radial direction of the washer abuts on an outer race of a second bearing. Therefore, load in an axial direction which acts on a second gear can be supported with a second rotary shaft via the outer race of the second bearing, the washer and the inner race of the first bearing. Additionally, on a side surface at the second bearing side, of the washer, a lubricating oil guide surface is formed, that guides lubricating oil which is supplied from an inside of a second rotary shaft, to a one-way clutch through the second bearing, and therefore, a lubricating effect can be enhanced by efficiently supplying the oil to the second bearing and the clutch.Type: GrantFiled: November 24, 2014Date of Patent: March 21, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Nobuhiro Kumagai, Takeshi Uchino, Shin Fukasawa
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Publication number: 20150362060Abstract: A lubrication system for a transmission includes a first tubular portion, a second tubular portion, and a hollow cylindrical member. The first tubular portion has a cavity and includes a flange at one end adjacent to a gear shaft of the transmission. The first tubular portion has a first enlarged-diameter part extending in an axial direction from a joint at which the first tubular portion is joined to the second tubular portion. The second tubular portion has a second enlarged-diameter part that extends in the axial direction from the joint and has a diameter substantially equal to a diameter of the first enlarged-diameter part. The hollow cylindrical member is disposed in the first and second tubular portions and tightly fitted in the first and second enlarged-diameter parts of the first and second tubular portions joined to each other.Type: ApplicationFiled: June 4, 2015Publication date: December 17, 2015Applicant: HONDA MOTOR CO., LTD.Inventors: Shin FUKASAWA, Mitsuo KIMURA
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Patent number: 9194483Abstract: To a side surface of the rotor on a pump side is formed with a tubular unit which extends towards the pump side, and an oil reservoir unit which accumulates a lubricating oil discharged from the pump is provided to an inner peripheral surface of the tubular unit. To the oil reservoir unit, a communicating hole which communicates the oil reservoir unit and a side surface of the rotor on a planetary gear mechanism side, is formed. The lubricating oil flowing from the oil reservoir unit via the communicating hole is guided to a carrier of the planetary gear mechanism.Type: GrantFiled: October 4, 2012Date of Patent: November 24, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Tatsuya Igarashi, Yuji Kubota, Hisayuki Asada, Shin Fukasawa, Joko Karasawa
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Publication number: 20150176695Abstract: In a transmission, an inner end portion in a radial direction of a washer abuts on an inner race of a first bearing, and a seal surface provided on an outer end in the radial direction of the washer abuts on an outer race of a second bearing. Therefore, load in an axial direction which acts on a second gear can be supported with a second rotary shaft via the outer race of the second bearing, the washer and the inner race of the first bearing. Additionally, on a side surface at the second bearing side, of the washer, a lubricating oil guide surface is formed, that guides lubricating oil which is supplied from an inside of a second rotary shaft, to a one-way clutch through the second bearing, and therefore, a lubricating effect can be enhanced by efficiently supplying the oil to the second bearing and the clutch.Type: ApplicationFiled: November 24, 2014Publication date: June 25, 2015Applicant: HONDA MOTOR CO., LTD.Inventors: Nobuhiro Kumagai, Takeshi Uchino, Shin Fukasawa
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Patent number: 8893582Abstract: A bearing locking mechanism capable of surely preventing dropping of a bearing, without increasing size of a transmission, is provided. In a bearing locking mechanism in which a bearing G3c of a rotating body G3b axially supported by a transmission case 7 rotationally is prevented from dropping from the transmission case 7, a transmission 1 is equipped with a brake B1 provided so as to be adjacent to the bearing G3c, the brake B1 is equipped with a fixing member B1a to be fixed to the transmission case 7, and the bearing G3c is prevented from dropping from the transmission case 7 by the fixing member B1a engaging with a side surface in an axial direction of the bearing G3c.Type: GrantFiled: February 11, 2013Date of Patent: November 25, 2014Assignee: Honda Motor Co., Ltd.Inventors: Shin Fukasawa, Hisayuki Asada, Yoshiatsu Asai, Mitsuhiro Takeda
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Publication number: 20140342868Abstract: A carrier and a pinion of a transmission are lubricated more efficiently. To a side surface of the rotor MGb on a pump 8 side is formed with a tubular unit 84 which extends towards the pump 8 side, and an oil reservoir unit 85 which accumulates a lubricating oil discharged from the pump 8 is provided to an inner peripheral surface of the tubular unit 84. To the oil reservoir unit 85, a communicating hole 83a which communicates the oil reservoir unit 85 and a side surface of the rotor MGb on a planetary gear mechanism PG side, is formed. The lubricating oil flowing from the oil reservoir unit 85 via the communicating hole 83a is guided to a carrier Ca of the planetary gear mechanism PG.Type: ApplicationFiled: October 4, 2012Publication date: November 20, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Tatsuya Igarashi, Yuji Kubota, Hisayuki Asada, Shin Fukasawa, Joko Karasawa
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Patent number: D693300Type: GrantFiled: March 8, 2013Date of Patent: November 12, 2013Assignee: Nidec Servo CorporationInventors: Shin Fukasawa, Thanh Trung Nguyen, Miho Arakawa