Patents by Inventor Yuki Satake
Yuki Satake 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).
-
Publication number: 20200080616Abstract: A limiting passage (24) includes: a first communication section (26) that opens to a first liquid chamber; a second communication section (27) that opens to a second liquid chamber; and a main body flow passage (25) that is configured to provide communication between the first and second communication sections. At least one of the first and second communication sections includes a plurality of fine holes (31). A vortex chamber (25b) is disposed at a portion of the main body flow passage, which is connected to at least one of the first and second communication sections, is configured to form a swirling flow of liquid according to a flow velocity of liquid flowing from the other of the first and second communication sections, and causes the liquid of the swirling flow to flow out through the plurality of fine holes. A barrier wall (36a) in which the plurality of fine holes are formed extends in a direction across a vortex axis along a central axis (O2) of the vortex chamber.Type: ApplicationFiled: February 8, 2018Publication date: March 12, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Akira UEKI, Yasuyuki NAGASHIMA, Yuki SATAKE
-
Publication number: 20200049223Abstract: In a vibration dampening device (10, 110) in an embodiment, a restriction passage (24) includes a first communication portion (26) that is open to a main liquid chamber (14), a second communication portion (27) that is open to an auxiliary liquid chamber (15), and a main body flow path (25) that causes the communication portions to communicate with each other, the first communication portion (26) includes a plurality of pores (31) penetrating a first barrier (28) having a surface (28a) facing the main liquid chamber (14), and a protrusion (40, 140) which protrudes toward the main liquid chamber (14) or the auxiliary liquid chamber (15) is formed over an entire circumference of an opening circumferential edge portion of the pore (31) in the surface (28a).Type: ApplicationFiled: April 9, 2018Publication date: February 13, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Akira UEKI, Yasuyuki NAGASHIMA, Yuki SATAKE
-
Publication number: 20200011396Abstract: In the present invention, a restriction passage (24) includes a first communication portion (26) that is open to a first liquid chamber, a second communication portion (27) that is open to a second liquid chamber, and a main body flow path (25) that is configured to cause the first communication portion (26) and the second communication portion (27) to communicate with each other, and in a portion of the main body flow path (25) connected to at least one of the first communication portion (26) and the second communication portion (27), a guide portion (43) that is configured to guide a liquid from the other of the first communication portion (26) and the second communication portion (27) to an opposed surface (34a) that is opposed to one of the first communication portion (26) and the second communication portion (27) in an inner surface of the restriction passage (24) is disposed.Type: ApplicationFiled: January 15, 2018Publication date: January 9, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Yasuyuki NAGASHIMA, Yuki SATAKE, Akira UEKI
-
Publication number: 20190176605Abstract: A vibration-damping device (10) includes a tubular first attachment member (11) that is coupled to any one of a vibration-generating portion and a vibration-receiving portion; a second attachment member (12) that is coupled to the other one of the vibration-generating portion and the vibration-receiving portion; an elastic body (13) that couples both the attachment members (11 and 12) to each other; and a partition member (16) that divides a liquid chamber (19) inside the first attachment member (11) into a main liquid chamber (14) having the elastic body (13) as a part of a wall surface, and a sub-liquid chamber (15). A restriction passage (24) through which the main liquid chamber (14) and the sub-liquid chamber (15) communicate with each other is formed in the partition member (16). The partition member (16) is provided with a flow-speed restraint portion (32) which restrains a flow speed of liquid (L) flowing in the restriction passage (24).Type: ApplicationFiled: June 22, 2017Publication date: June 13, 2019Applicant: BRIDGESTONE CORPORATIONInventors: Akira UEKI, Yuki SATAKE, Masakazu NAGASAWA, Yasuyuki NAGASHIMA, Hideki SUGAWARA, Shingo OONO
-
Publication number: 20190145488Abstract: A vibration-damping device (10) of the present invention includes a first attachment member (11), a second attachment member (12), an elastic body (13), and a partition member (16). In the partition member, a restriction passage (24) through which the first liquid chamber (14) and the second liquid chamber (15) communicate with each other is formed. The restriction passage includes a first communicating portion (26) which opens to the first liquid chamber, a second communicating portion (27) which opens to the second liquid chamber, and a main body flow passage (25) through which the first communicating portion and the second communicating portion communicate with each other. At least one of the first communicating portion and the second communicating portion includes a plurality of fine holes (26a) which are disposed in a flow passage direction of the main body flow passage.Type: ApplicationFiled: June 16, 2017Publication date: May 16, 2019Applicant: BRIDGESTONE CORPORATIONInventors: Akira UEKI, Yuki SATAKE, Masakazu NAGASAWA, Yasuyuki NAGASHIMA, Hideki SUGAWARA, Shingo OONO
-
Publication number: 20190107171Abstract: A restricted passageway (24) is provided with a first communication part (26) which is formed in a first barrier wall (34) facing a first liquid chamber and opens to the first liquid chamber, a second communication part (27) which is formed in a second barrier wall (35) facing a second liquid chamber and opens to the second liquid chamber, and a main body flow path (25) that is configured to cause the first communication part (26) and the second communication part (27) to communicate with each other. At least one of the first communication part (26) and the second communication part (27) includes a plurality of fine holes (26a) that pass through the first barrier wall (34) or the second barrier wall (35).Type: ApplicationFiled: June 16, 2017Publication date: April 11, 2019Applicant: BRIDGESTONE CORPORATIONInventors: Akira UEKI, Yuki SATAKE, Masakazu NAGASAWA, Yasuyuki NAGASHIMA, Hideki SUGAWARA, Shingo OONO
-
Publication number: 20170234397Abstract: This disclosure is to provide an anti-vibration device with reduced high frequency vibration. The anti-vibration device (1) according to this disclosure has: elastic bodies (4); and an intermediate plate (5) arranged between the elastic bodies (4) and connected to the elastic bodies (4). The intermediate plate (5) has an acoustic impedance (Z2) larger than the elastic bodies (4), and a perpendicular line (O) of the intermediate plate (5) is arranged between the elastic bodies (4) in a manner inclined with respect to the vibration input direction at an angle (?1).Type: ApplicationFiled: September 30, 2015Publication date: August 17, 2017Applicant: BRIDGESTONE CORPORATIONInventors: Yuki SATAKE, Hirokazu WATAI, Akira UEKI
-
Patent number: 8866580Abstract: A power converting apparatus makes reduction of power loss possible and operates in a two-phase mode. A power converting apparatus of the inventive concept includes I-shaped block cores, each being made of a magnetic material; and E-shaped cores, each being produced by combining two L-shaped magnetic materials to each of the I-shaped cores. In each of the E-shaped cores, the block core is defined as a central leg, the other two legs are defined as a first outside leg and a second outside leg, respectively, and a closed magnetic path is configured by two E-shaped cores combined such that one of respective central legs in the two E-shaped cores, one of respective first outside legs therein, and one of respective second outside legs therein are caused to face the other of the central legs, the other of the first outside legs, and the other of the second outside legs.Type: GrantFiled: May 12, 2012Date of Patent: October 21, 2014Assignees: Shinto Holdings Co., Ltd., Nikkindenji Kogyo Co., Ltd.Inventors: Yuichi Hasegawa, Hiromune Ishii, Yuki Satake, Takeshi Kawahara
-
Publication number: 20130128622Abstract: A power converting apparatus makes reduction of power loss possible and operates in a two-phase mode. A power converting apparatus of the inventive concept includes I-shaped block cores, each being made of a magnetic material; and E-shaped cores, each being produced by combining two L-shaped magnetic materials to each of the I-shaped cores. In each of the E-shaped cores, the block core is defined as a central leg, the other two legs are defined as a first outside leg and a second outside leg, respectively, and a closed magnetic path is configured by two E-shaped cores combined such that one of respective central legs in the two E-shaped cores, one of respective first outside legs therein, and one of respective second outside legs therein are caused to face the other of the central legs, the other of the first outside legs, and the other of the second outside legs.Type: ApplicationFiled: May 12, 2012Publication date: May 23, 2013Applicants: NIKKINDENJI KOGYO CO., LTD., SHINTO HOLDINGS CO., LTD.Inventors: Yuichi HASEGAWA, Hiromune ISHII, Yuki SATAKE, Takeshi KAWAHARA
-
Patent number: 8434814Abstract: A joining mechanism includes a front lower cross member 110 formed from a front plate 112 and a back plate 114 joined together to form a space, the front lower cross member 110 extending in a vehicle width direction lower than a hood lock member 108 which supports a bottom part of the vicinity of a front end of an engine hood 104, and a hood lock brace 120 which extends in a vehicle height direction between the hood lock member 108 and the front lower cross member 110, the hood lock brace 120 joining the hood lock member 108 and the front lower cross member 110, wherein upper end vicinities of the front plate 112 and the back plate 114 of the front lower cross member 110 are fastened to the front side of the hood lock brace 120, and the upper end surface 112j of the front plate 112 and the upper end surface 114j of the back plate 114 are separated from the hood lock brace 120.Type: GrantFiled: February 20, 2011Date of Patent: May 7, 2013Assignee: Suzuki Motor CorporationInventors: Kiyotaka Hirano, Yuki Satake
-
Publication number: 20110267848Abstract: Reduction of power loss and operation in a two-phase mode are made possible. The power converter of present invention is a power converter composed of a core formed by a magnetic material and a winding wire wound at a predetermined position of the core and operating in a two-phase mode, in which the core is a closed magnetic path constituted by a center leg, a cylindrical first outer leg arranged in parallel with the center leg and around which the winding wire is wound, and a second outer leg arranged at a position opposite to the first outer leg with respect to the center leg.Type: ApplicationFiled: March 31, 2011Publication date: November 3, 2011Applicant: SHINTO HOLDINGS CO., LTD.Inventors: Yuki SATAKE, Shigeki Teratani
-
Publication number: 20110210574Abstract: A joining mechanism includes a front lower cross member 110 formed from a front plate 112 and a back plate 114 joined together to form a space, the front lower cross member 110 extending in a vehicle width direction lower than a hood lock member 108 which supports a bottom part of the vicinity of a front end of an engine hood 104, and a hood lock brace 120 which extends in a vehicle height direction between the hood lock member 108 and the front lower cross member 110, the hood lock brace 120 joining the hood lock member 108 and the front lower cross member 110, wherein upper end vicinities of the front plate 112 and the back plate 114 of the front lower cross member 110 are fastened to the front side of the hood lock brace 120, and the upper end surface 112j of the front plate 112 and the upper end surface 114j of the back plate 114 are separated from the hood lock brace 120.Type: ApplicationFiled: February 20, 2011Publication date: September 1, 2011Applicant: SUZUKI MOTOR CORPORATIONInventors: Kiyotaka HIRANO, Yuki SATAKE
-
Publication number: 20100321143Abstract: Provided is an inductor which effectively uses a mounting space and has remarkably reduced radiation noise. The inductor is provided with a magnetic core (1) having a high magnetic permeability, and a coil element (2) integrally embedded in the magnetic core. The magnetic core (1) has a spherical structure, and the coil element (2) has a spherical coil structure wherein a coil conductive wire is spherically laminated. The extracting end of the coil element configures connecting terminals (2a, 2b) by extending to the external of the magnetic core. Since the coil element having the spherical coil structure is integrally embedded inside the magnetic core having the spherical structure, a leaking magnetic flux is remarkably reduced and the magnetic flux is prevented from being disturbed.Type: ApplicationFiled: October 12, 2007Publication date: December 23, 2010Applicant: SHINTO HOLDINGS CO., LTDInventors: Yuki SATAKE, Tsutomu SATO
-
Publication number: 20090251272Abstract: An inductor includes a magnetic core having high permeability or high saturation property; and a coil element embedded in the magnetic core, wherein the magnetic core has a polygon, with 5 or more, pillar shape.Type: ApplicationFiled: April 7, 2009Publication date: October 8, 2009Applicants: SHINTO HOLDINGS CO., LTD., TMP CO., LTDInventors: Yuki SATAKE, Tsutomu SATO, Shigeki TERATANI
-
Patent number: 7176778Abstract: A magnetic core assembly with coils therein has a substantially spherical or ellipsoidal main body defining a hollow space therein. A column is disposed in the main body so as to be aligned with a center line of the main body. The main body is defined by a pair of separated halves. The main body has a slot extending outward form the hollow space, and the slot aligns with a separating plane of the halves. The core assembly has a bobbin that is formed with a barrel wound by the coils, and the barrel has a through hole receiving the column of the core assembly. The bobbin has a retainer plate arranged with terminals for the coils. The retainer plate extends from the main body via the slot. A mounting board for the core assembly is formed with an opening to receive the spherical or ellipsoidal main core body such that the mounting board supports the core body on a periphery of the opening.Type: GrantFiled: September 30, 2005Date of Patent: February 13, 2007Assignee: Sanshin Electric, Co., Ltd.Inventor: Yuki Satake