Patents by Inventor Kazuyuki Matsunaga
Kazuyuki Matsunaga 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: 20230077032Abstract: In a scroll compressor, at an end plate surface of a fixed scroll, an annular back pressure groove connected to a back pressure chamber is provided, and an arc-shaped first groove and an arc-shaped second groove are provided inside the back pressure groove in a radial direction. A distance between the second groove and the back pressure groove is shorter than a distance between the first groove and the back pressure groove. A revolving scroll is provided with a first hole and a second hole for guiding lubricant oil from an oil supply path to the end plate surface side of the fixed scroll. At least part of a movement locus of an opening of the first hole is included in the first groove. At least part of a movement locus of an opening of the second hole is included in the second groove. The first groove and the second groove at least partially overlap with each other in the radial direction.Type: ApplicationFiled: September 2, 2022Publication date: March 9, 2023Inventors: Kazuyuki MATSUNAGA, Ryota IIJIMA
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Patent number: 11592022Abstract: A scroll compressor includes a hermetic container, a fixed scroll, a swing scroll, a frame, an electric motor, and a shaft. A first groove and a second groove are provided outside a fixed wrap in a radial direction at an end plate surface of the fixed scroll. An oil supply hole for guiding lubricant oil from a through-hole opens at an end plate surface of the swing scroll. A single opening of the oil supply hole alternately communicates with the first groove and the second groove along with swing of the swing scroll.Type: GrantFiled: January 27, 2021Date of Patent: February 28, 2023Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.Inventors: Ryota Iijima, Kazuyuki Matsunaga
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Patent number: 11482816Abstract: An oil temperature sensor includes a sensor body that detects the temperature of oil. The sensor body is formed by covering a thermistor mounted on a first lead frame and a second lead frame with a resin mold portion. The sensor body is fixed to the housing in a manner that the resin mold portion is buried and a first terminal portion and a second terminal portion are partially exposed to space.Type: GrantFiled: June 14, 2019Date of Patent: October 25, 2022Assignee: YAZAKI CORPORATIONInventors: Kazuyuki Matsunaga, Shingo Nomoto, Keisuke Yamauchi, Toshirou Mochizuki
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Patent number: 11462850Abstract: An oil temperature sensor includes a housing assembly in which a lead frame on which a thermistor for detecting a temperature of oil is mounted is integrated with a housing such that a tip-side terminal portion is exposed outward. The housing includes a groove formed linearly into which a cable-attached terminal is inserted. The groove is opened on both sides of the groove in the extending direction and is also opened in one direction crossing the extending direction. A joint terminal portion and a sheath of a cable are partially inserted into the groove.Type: GrantFiled: June 14, 2019Date of Patent: October 4, 2022Assignee: YAZAKI CORPORATIONInventors: Kazuyuki Matsunaga, Keisuke Yamauchi, Toshirou Mochizuki, Shingo Nomoto
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Patent number: 11340119Abstract: A method of manufacturing a sensor body used in an oil temperature sensor includes mounting a thermistor on a scheduled first resin mold portion and a scheduled second resin mold portion. The manufacturing method includes molding the scheduled first resin mold portion, the scheduled second resin mold portion, and the thermistor to form a resin mold portion. The manufacturing method includes cutting connecting portions, after the resin mold portion is formed, and separating a scheduled first-terminal-portion forming portion and a scheduled second-terminal-portion forming portion.Type: GrantFiled: June 14, 2019Date of Patent: May 24, 2022Assignee: YAZAKI CORPORATIONInventors: Kazuyuki Matsunaga, Keisuke Yamauchi, Toshirou Mochizuki
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Patent number: 11306630Abstract: An on-vehicle oil sensor includes an enclosure and a detecting unit. The enclosure includes: an enclosure inner space provided inside the enclosure and configured to allow oil to enter the enclosure inner space; and a plurality of oil paths provided in the enclosure and connecting an exterior of the enclosure to the enclosure inner space. The detecting unit is configured to detect at least one of pressure of oil in the enclosure inner space and temperature of oil in the enclosure inner space.Type: GrantFiled: April 14, 2020Date of Patent: April 19, 2022Assignee: YAZAKI CORPORATIONInventors: Daichi Muramoto, Kazuyuki Matsunaga, Shigeki Totsuka, Hiroaki Nasuno
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Publication number: 20220106952Abstract: Provided is, e.g., a compressor with a high reliability. A compressor (100) includes a hermetic container (1) sealed with lubricant oil, an electric motor (6) placed inside the hermetic container (1) and having a stator (6a) and a rotor (6b), a crankshaft (3) configured to rotate integrally with the rotor (6b), a compression mechanism (2) configured to compress refrigerant in association with rotation of the crankshaft (3), a discharge pipe (Pb) configured to guide the refrigerant compressed in the compression mechanism (2) to the outside of the hermetic container (1), and a tubular oil ring (15) provided between the compression mechanism (2) and the electric motor (6). A cutout (s1) is, at a lower portion of the oil ring (15), provided as a first insertion portion into which the discharge pipe (Pb) is inserted.Type: ApplicationFiled: December 25, 2019Publication date: April 7, 2022Inventors: Tsutomu NOZAKI, Kazuyuki MATSUNAGA, Ryo KURONO
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Publication number: 20210381508Abstract: A scroll compressor includes a hermetic container, a fixed scroll, a swing scroll, a frame, an electric motor, and a shaft. A first groove and a second groove are provided outside a fixed wrap in a radial direction at an end plate surface of the fixed scroll. An oil supply hole for guiding lubricant oil from a through-hole opens at an end plate surface of the swing scroll. A single opening of the oil supply hole alternately communicates with the first groove and the second groove along with swing of the swing scroll.Type: ApplicationFiled: January 27, 2021Publication date: December 9, 2021Inventors: Ryota IIJIMA, Kazuyuki MATSUNAGA
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Publication number: 20200332685Abstract: An on-vehicle oil sensor includes an enclosure and a detecting unit. The enclosure includes: an enclosure inner space provided inside the enclosure and configured to allow oil to enter the enclosure inner space; and a plurality of oil paths provided in the enclosure and connecting an exterior of the enclosure to the enclosure inner space. The detecting unit is configured to detect at least one of pressure of oil in the enclosure inner space and temperature of oil in the enclosure inner space.Type: ApplicationFiled: April 14, 2020Publication date: October 22, 2020Applicant: Yazaki CorporationInventors: Daichi Muramoto, Kazuyuki Matsunaga, Shigeki Totsuka, Hiroaki Nasuno
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Publication number: 20190386437Abstract: An oil temperature sensor includes a sensor body that detects the temperature of oil. The sensor body is formed by covering a thermistor mounted on a first lead frame and a second lead frame with a resin mold portion. The sensor body is fixed to the housing in a manner that the resin mold portion is buried and a first terminal portion and a second terminal portion are partially exposed to space.Type: ApplicationFiled: June 14, 2019Publication date: December 19, 2019Applicant: Yazaki CorporationInventors: Kazuyuki MATSUNAGA, Shingo NOMOTO, Keisuke YAMAUCHI, Toshirou MOCHIZUKI
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Publication number: 20190383668Abstract: A method of manufacturing a sensor body used in an oil temperature sensor includes mounting a thermistor on a scheduled first resin mold portion and a scheduled second resin mold portion. The manufacturing method includes molding the scheduled first resin mold portion, the scheduled second resin mold portion, and the thermistor to form a resin mold portion. The manufacturing method includes cutting connecting portions, after the resin mold portion is formed, and separating a scheduled first-terminal-portion forming portion and a scheduled second-terminal-portion forming portion.Type: ApplicationFiled: June 14, 2019Publication date: December 19, 2019Applicant: Yazaki CorporationInventors: Kazuyuki MATSUNAGA, Keisuke Yamauchi, Toshirou Mochizuki
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Publication number: 20190386419Abstract: An oil temperature sensor includes a housing assembly in which a lead frame on which a thermistor for detecting a temperature of oil is mounted is integrated with a housing such that a tip-side terminal portion is exposed outward. The housing includes a groove formed linearly into which a cable-attached terminal is inserted. The groove is opened on both sides of the groove in the extending direction and is also opened in one direction crossing the extending direction. A joint terminal portion and a sheath of a cable are partially inserted into the groove.Type: ApplicationFiled: June 14, 2019Publication date: December 19, 2019Applicant: Yazaki CorporationInventors: Kazuyuki MATSUNAGA, Keisuke Yamauchi, Toshirou Mochizuki, Shingo Nomoto
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Patent number: 9976019Abstract: Provided is a thermoplastic elastomer composition from which an air bag cover having an appearance suitable for painting-free applications can be produced, specifically, a thermoplastic elastomer composition obtained by dynamically heat-treating 25% by weight to 50% by weight of a prescribed heterophasic polymeric material (A), 15% by weight to 40% by weight of a prescribed propylene-ethylene copolymer (B), 15% by weight to 35% by weight of a prescribed ethylene-?-olefin copolymer (C), and 15% by weight to 35% by weight of a prescribed ethylene-?-olefin copolymer (D) in the presence of a crosslinking agent, provided that the combined amount of the above-mentioned (A), (B), (C) and (D) is taken as 100% by weight.Type: GrantFiled: March 24, 2015Date of Patent: May 22, 2018Assignee: Sumitomo Chemical Company, LimitedInventor: Kazuyuki Matsunaga
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Patent number: 9261412Abstract: A temperature sensor includes a clamp and a thermistor. The clamp is adapted to be inserted into an opening formed in an object, and has a shaft member. A flange member is extended from the shaft member in a direction orthogonal to an inserting direction in which the clamp is inserted into the opening. An engaging member extended from an end part of the shaft member toward the flange member in a direction inclined with the inserting direction. The thermistor is provided in the shaft member and is disposed in the end part. The engaging member and the flange member are adapted to clamp the object therebetween when the clamp is inserted into the opening.Type: GrantFiled: June 8, 2010Date of Patent: February 16, 2016Assignee: Yazaki CorporationInventors: Haruhiko Yoshida, Kazuyuki Matsunaga
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Publication number: 20150274950Abstract: Provided is a thermoplastic elastomer composition from which an air bag cover having an appearance suitable for painting-free applications can be produced, specifically, a thermoplastic elastomer composition obtained by dynamically heat-treating 25% by weight to 50% by weight of a prescribed heterophasic polymeric material (A), 15% by weight to 40% by weight of a prescribed propylene-ethylene copolymer (B), 15% by weight to 35% by weight of a prescribed ethylene-?-olefin copolymer (C), and 15% by weight to 35% by weight of a prescribed ethylene-?-olefin copolymer (D) in the presence of a crosslinking agent, provided that the combined amount of the above-mentioned (A), (B), (C) and (D) is taken as 100% by weight.Type: ApplicationFiled: March 24, 2015Publication date: October 1, 2015Inventor: Kazuyuki MATSUNAGA
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Patent number: 8758915Abstract: A module unit includes a main body attached to a plurality of battery cells, a bus bar provided on the main body to electrically connect the battery cells, and a temperature sensor retained to the main body to measure a temperature of at least one of the battery cells. The main body has a through hole. The temperature sensor includes a retaining portion which is retained to an edge part of the through hole from a first side of the main body facing to the battery cells after the retaining portion passes through the through hole from a second side of the main body opposite to the first side with respect to the main body, and an attaching portion which has an operation part at an end part thereof and is formed so as not to pass through the through hole. When the main body is attached to the battery cells, the temperature sensor comes into contact with the at least one battery cell.Type: GrantFiled: January 23, 2009Date of Patent: June 24, 2014Assignee: Yazaki CorporationInventor: Kazuyuki Matsunaga
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Publication number: 20120031517Abstract: A temperature sensor includes a cramp and a thermistor. The cramp is adapted to be inserted into an opening formed in an object, and has a shaft member. A flange member is extended from the shaft member in a direction orthogonal to an inserting direction in which the cramp is inserted into the opening. An engaging member extended from an end part of the shaft member toward the flange member in a direction inclined with the inserting direction. The thermistor is provided in the shaft member and is disposed in the end part. The engaging member and the flange member are adapted to cramp the object therebetween when the cramp is inserted into the opening.Type: ApplicationFiled: June 8, 2010Publication date: February 9, 2012Applicant: YAZAKI CORPORATIONInventors: Haruhiko Yoshida, Kazuyuki Matsunaga
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Publication number: 20100285340Abstract: A module unit includes a main body attached to a plurality of battery cells, a bus bar provided on the main body to electrically connect the battery cells, and a temperature sensor retained to the main body to measure a temperature of at least one of the battery cells. The main body has a through hole. The temperature sensor includes a retaining portion which is retained to an edge part of the through hole from a first side of the main body facing to the battery cells after the retaining portion passes through the through hole from a second side of the main body opposite to the first side with respect to the main body, and an attaching portion which has an operation part at an end part thereof and is formed so as not to pass through the through hole. When the main body is attached to the battery cells, the temperature sensor comes into contact with the at least one battery cell.Type: ApplicationFiled: January 23, 2009Publication date: November 11, 2010Applicant: YAZAKI CORPORATIONInventor: Kazuyuki Matsunaga
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Patent number: 7074023Abstract: A scroll compressor enabling decrease of a flow path loss in a communication groove extending from a suction port toward a suction chamber to decrease a loss of suction power is disclosed. In the scroll compressor, a movable scroll is provided so as to perform a swivel motion relative to a fixed scroll, a fixed scroll lap and a movable scroll lap are engaged with each other to form a suction chamber and compression chambers, a suction port communicating with the suction chamber is formed in the fixed scroll, and a communication groove extending from the suction port toward the suction chamber is formed in the fixed scroll. The communication groove has a shape such that the bottom thereof is inclined so as to become shallower from the suction port side to the suction chamber side.Type: GrantFiled: July 30, 2004Date of Patent: July 11, 2006Assignee: Hitachi Home & Life Solutions, Inc.Inventors: Kazuyuki Matsunaga, Kazumi Tamura, Atsushi Onuma, Isamu Tsubono
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Publication number: 20050100469Abstract: A scroll compressor enabling decrease of a flow path loss in a communication groove extending from a suction port toward a suction chamber to decrease a loss of suction power is disclosed. In the scroll compressor, a movable scroll is provided so as to perform a swivel motion relative to a fixed scroll, a fixed scroll lap and a movable scroll lap are engaged with each other to form a suction chamber and compression chambers, a suction port communicating with the suction chamber is formed in the fixed scroll, and a communication groove extending from the suction port toward the suction chamber is formed in the fixed scroll. The communication groove has a shape such that the bottom thereof is inclined so as to become shallower from the suction port side to the suction chamber side.Type: ApplicationFiled: July 30, 2004Publication date: May 12, 2005Inventors: Kazuyuki Matsunaga, Kazumi Tamura, Atsushi Onuma, Isamu Tsubono