Patents by Inventor Teruaki YAMANAKA
Teruaki YAMANAKA 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: 20220319751Abstract: The solenoid coil includes a coil having a first end surface and a second end surface on its both ends in an axial direction, a member which is in contact with the first end surface, and has a groove through which the wire material of the coil passes, and an insulating resin formed to coat at least an outer circumferential surface and the second end surface of the coil. The resin with a substantially U-shaped section is continuously coated on at least a part of an inner circumferential surface of the coil via an area from the outer circumferential surface to the second end surface.Type: ApplicationFiled: April 20, 2020Publication date: October 6, 2022Inventors: Yuichiro TANAKA, Shinji SETO, Norio NAKAZATO, Shunsuke MORI, Yohei KATAYAMA, Teruaki YAMANAKA, Motohiro HIRAO
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Patent number: 10107349Abstract: A baffle plate (41, partition member) is manufactured by being integrally formed of a single material including flexible or pliable NBR (nitrile rubber), and a projection (51) formed on an abutment surface (42B) of the baffle plate (41) is fitted into a recess (52) in a reduced-diameter portion (36) of an intermediate tube (20). Thus, when the intermediate tube (20) fitted with the baffle plate (41) is assembled into an outer tube, the sheet-shaped baffle plate (41) can be prevented from rotating about a connecting pipe (23), and it is possible to improve the productivity and assembleability of the shock absorber.Type: GrantFiled: August 27, 2015Date of Patent: October 23, 2018Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hiroshi Murakami, Teruaki Yamanaka, Osamu Shioume
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Publication number: 20170299009Abstract: A baffle plate (41, partition member) is manufactured by being integrally formed of a single material including flexible or pliable NBR (nitrile rubber), and a projection (51) formed on an abutment surface (42B) of the baffle plate (41) is fitted into a recess (52) in a reduced-diameter portion (36) of an intermediate tube (20). Thus, when the intermediate tube (20) fitted with the baffle plate (41) is assembled into an outer tube, the sheet-shaped baffle plate (41) can be prevented from rotating about a connecting pipe (23), and it is possible to improve the productivity and assembleability of the shock absorber.Type: ApplicationFiled: August 27, 2015Publication date: October 19, 2017Inventors: Hiroshi MURAKAMI, Teruaki YAMANAKA, Osamu SHIOUME
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Patent number: 9651110Abstract: A stopper mechanism includes a second cylinder disposed at an end in a first cylinder, a second piston disposed so as to be able to move according to a movement of a piston rod to be fitted into the second cylinder, and an annular piston ring having ends in a circumferential direction by being partially cut off. A circumferential groove is formed on an outer circumferential of the second piston. The circumferential groove includes a bottom surface, a one-side end surface, and an opposite-side end surface. The piston ring is axially movably disposed in the circumferential groove. The piston ring includes axial abutment portions, and radial abutment portions at the both ends of the piston ring. When the piston ring abuts against the one-side end surface of the circumferential groove, a first passage is forced between the one-side end surface and an end surface of the piston ring.Type: GrantFiled: February 19, 2015Date of Patent: May 16, 2017Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Ryosuke Takeno, Teruaki Yamanaka
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Patent number: 9441619Abstract: A reciprocating compressor including a casing which has first and second cylinders, an electric motor which has a drive shaft mounted in the casing, first and second pistons fittingly inserted into the first and second cylinders respectively, so as to reciprocate therein, and first and second connecting rods attached to the first and second pistons, respectively, at ends thereof and which are situated in the crank chamber at the other ends thereof where first and second bearings are provided, respectively. A crank member is provided on the drive shaft within the crank chamber, and the crank member is fittingly inserted into the first bearing of the first connecting rod and the second bearing of the second connecting rod. The crank member has a positioning member which positions the first and second bearings with respect to an axial direction.Type: GrantFiled: March 13, 2014Date of Patent: September 13, 2016Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Tsutomu Ito, Teruaki Yamanaka
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Publication number: 20150247549Abstract: A stopper mechanism includes a second cylinder disposed at an end in a first cylinder, a second piston disposed so as to be able to move according to a movement of a piston rod to be fitted into the second cylinder, and an annular piston ring having ends in a circumferential direction by being partially cut off. A circumferential groove is formed on an outer circumferential of the second piston. The circumferential groove includes a bottom surface, a one-side end surface, and an opposite-side end surface. The piston ring is axially movably disposed in the circumferential groove. The piston ring includes axial abutment portions, and radial abutment portions at the both ends of the piston ring. When the piston ring abuts against the one-side end surface of the circumferential groove, a first passage is forced between the one-side end surface and an end surface of the piston ring.Type: ApplicationFiled: February 19, 2015Publication date: September 3, 2015Inventors: Ryosuke TAKENO, Teruaki YAMANAKA
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Publication number: 20150090548Abstract: A lock piston (13) of a locking mechanism (11) includes a flow path limiting-opening mechanism (14) provided on an outer peripheral side of a piston rod (7), an annular stopper (19) for supporting the flow path limiting-opening mechanism (14) from a piston (6) side, and a restriction ring (20) for restricting a fitting cylindrical body (15) of the flow path limiting-opening mechanism (14) from moving to a rod guide (9) side, the restriction ring (20) being fitted to a second annular groove (7B) of the piston rod (7). The restriction ring (20) is inserted along an outer peripheral side of the piston rod (7) from an upper end side of the piston rod (7), and fitted and fixed into the second annular groove (7B).Type: ApplicationFiled: September 22, 2014Publication date: April 2, 2015Inventor: Teruaki YAMANAKA
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Publication number: 20140294636Abstract: A reciprocating compressor including a casing which has first and second cylinders, an electric motor which has a drive shaft mounted in the casing, first and second pistons fittingly inserted into the first and second cylinders respectively, so as to reciprocate therein, and first and second connecting rods attached to the first and second pistons, respectively, at ends thereof and which are situated in the crank chamber at the other ends thereof where first and second bearings are provided, respectively. A crank member is provided on the drive shaft within the crank chamber, and the crank member is fittingly inserted into the first bearing of the first connecting rod and the second bearing of the second connecting rod. The crank member has a positioning member which positions the first and second bearings with respect to an axial direction.Type: ApplicationFiled: March 13, 2014Publication date: October 2, 2014Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Tsutomu ITO, Teruaki YAMANAKA
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Publication number: 20120193845Abstract: A compressor has a brush motor having a coil and brushes, a motor housing accommodating the brush motor, and a reciprocating compressor body in which a crank is rotationally driven by the brush motor to reciprocate a piston in a cylinder, thereby compressing a gas sucked in from a suction port and discharging the compressed gas from a delivery port. The compressor has a gas intake flow path configured such that the gas cools the brushes in the motor housing before cooling the coil and flowing to the suction port.Type: ApplicationFiled: January 19, 2012Publication date: August 2, 2012Inventor: Teruaki YAMANAKA