Patents by Inventor Masaharu Saito
Masaharu Saito 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).
-
Patent number: 10072579Abstract: An apparatus for discriminating ignition in a gas-turbine aeroengine is configured to discriminate that ignition occurred in a combustion chamber upon discriminating that a calculated high-pressure turbine rotational speed change rate at a detected high-pressure turbine rotational speed equal to or greater than a predetermined rotational speed threshold is equal to or greater than a predetermined rotational speed change rate threshold and that the change rate has been equal to or greater than the predetermined rotational speed change rate threshold continuously for a predetermined time period or longer, whereby whether or not ignition of an air-fuel mixture occurred in a combustion chamber can be accurately discriminated or determined without using a dedicated sensor or detector even when an EGT sensor or detector fails.Type: GrantFiled: April 17, 2015Date of Patent: September 11, 2018Assignee: HONDA MOTOR CO., LTD.Inventor: Masaharu Saito
-
Patent number: 9816582Abstract: A balancer device includes a housing fixed to an internal combustion engine, a roller bearing disposed in the housing, a balancer shaft rotatably supported in the housing by the roller bearing, a balancer weight integrally mounted on the balancer shaft and rotatably accommodated in an weight accommodation room of the housing, an introduction part that introduces a lubricating oil from the outside to the inside of the weight accommodation room, and a discharge part that provides communication between the inside and the outside of the weight accommodation room and discharges the lubricating oil from the inside of the weight accommodation room, wherein herein the roller bearing is arranged to face the weight accommodation room.Type: GrantFiled: October 15, 2015Date of Patent: November 14, 2017Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Harunobu Okabe, Masatoshi Matsuo, Tamotsu Todo, Masaharu Saito, Dai Niwata, Hiroaki Kabasawa
-
Publication number: 20160305329Abstract: An apparatus for discriminating ignition in a gas-turbine aeroengine is configured to discriminate that ignition occurred in a combustion chamber upon discriminating that a calculated high-pressure turbine rotational speed change rate at a detected high-pressure turbine rotational speed equal to or greater than a predetermined rotational speed threshold is equal to or greater than a predetermined rotational speed change rate threshold and that the change rate has been equal to or greater than the predetermined rotational speed change rate threshold continuously for a predetermined time period or longer, whereby whether or not ignition of an air-fuel mixture occurred in a combustion chamber can be accurately discriminated or determined without using a dedicated sensor or detector even when an EGT sensor or detector fails.Type: ApplicationFiled: April 17, 2015Publication date: October 20, 2016Inventor: Masaharu Saito
-
Publication number: 20160131221Abstract: A balancer device includes a housing fixed to an internal combustion engine, a roller bearing disposed in the housing, a balancer shaft rotatably supported in the housing by the roller bearing, a balancer weight integrally mounted on the balancer shaft and rotatably accommodated in an weight accommodation room of the housing, an introduction part that introduces a lubricating oil from the outside to the inside of the weight accommodation room, and a discharge part that provides communication between the inside and the outside of the weight accommodation room and discharges the lubricating oil from the inside of the weight accommodation room, wherein herein the roller bearing is arranged to face the weight accommodation room.Type: ApplicationFiled: October 15, 2015Publication date: May 12, 2016Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Harunobu OKABE, Masatoshi MATSUO, Tamotsu TODO, Masaharu SAITO, Dai NIWATA, Hiroaki KABASAWA
-
Patent number: 9068626Abstract: A balancer device of an internal combustion engine, has a drive gear engaged with an input gear to which a rotation force is transmitted from a crankshaft; a balancer drive shaft to which the rotation force is transmitted from the drive gear and which has a balancer weight; a balancer drive gear rotating integrally with the balancer drive shaft; a balancer driven gear engaged with the balancer drive gear; and a balancer driven shaft rotating integrally with the balancer driven gear and having a balancer weight. At least one of the drive gear, the balancer drive gear and the balancer driven gear is provided, on both axial direction side surfaces thereof, with ring-shaped grooves whose diameters are different from each other. The ring-shaped grooves are formed up to a depth from the surface of the gear at which both the ring-shaped grooves overlap each other in the axial direction.Type: GrantFiled: January 6, 2014Date of Patent: June 30, 2015Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masaharu Saito, Tamotsu Todo, Masaharu Kitamura, Harunobu Okabe, Seiji Tsuruta, Takashi Hirano
-
Publication number: 20140190442Abstract: A balancer device of an internal combustion engine, has a drive gear engaged with an input gear to which a rotation force is transmitted from a crankshaft; a balancer drive shaft to which the rotation force is transmitted from the drive gear and which has a balancer weight; a balancer drive gear rotating integrally with the balancer drive shaft; a balancer driven gear engaged with the balancer drive gear; and a balancer driven shaft rotating integrally with the balancer driven gear and having a balancer weight. At least one of the drive gear, the balancer drive gear and the balancer driven gear is provided, on both axial direction side surfaces thereof, with ring-shaped grooves whose diameters are different from each other. The ring-shaped grooves are formed up to a depth from the surface of the gear at which both the ring-shaped grooves overlap each other in the axial direction.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masaharu Saito, Tamotsu Todo, Masaharu Kitamura, Harunobu Okabe, Seiji Tsuruta, Takashi Hirano
-
Patent number: 8293364Abstract: A highly shrinkable fiber composed of nylon-MXD6 polymer and nylon-6 polymer, characterized in that a weight ratio therebetween is in the range of 35:65 to 70:30, and that each thereof exhibits a breaking strength of 4.00 cN/dtex or greater. Preferably, the weight ratio between nylon-MXD6 polymer and nylon-6 polymer of the highly shrinkable fiber is in the range of 45.55 to 55:45. The highly shrinkable fiber exhibits a high shrinkage ratio in boiling water, so that when the highly shrinkable fiber is used in a woven fabric, there can be realized a high density.Type: GrantFiled: April 18, 2007Date of Patent: October 23, 2012Assignee: KB Seiren, Ltd.Inventors: Hayato Iwamoto, Yoshitomo Hara, Hideo Ueda, Masaharu Saito
-
Publication number: 20110039466Abstract: A screen gauze formed of a core-sheath composite monofilament comprising the core 1 formed by a fiber-forming polymer 4 containing a material 3 having a property of absorbing light at wavelengths of 350 nm to 450 nm and the sheath 2 formed by a fiber-forming polymer 5, the core-sheath composite monofilament having average reflectance of 15% or less to light at wavelengths of 350 nm to 450 nm, and a screen gauze using the same. The monofilament is free from strength reduction, scum generation and abrasion of related parts such as reed, and makes no difficulty in ink-release, and requires no dyeing process and thus no additional cost therefor.Type: ApplicationFiled: October 28, 2010Publication date: February 17, 2011Applicant: KB SEIREN, LTD.Inventors: Yoshitomo Hara, Sunao Takahira, Masaharu Saito
-
Publication number: 20100137527Abstract: A highly shrinkable fiber composed of nylon-MXD6 polymer and nylon-6 polymer, characterized in that a weight ratio therebetween is in the range of 35:65 to 70:30, and that each thereof exhibits a breaking strength of 4.00 cN/dtex or greater. Preferably, the weight ratio between nylon-MXD6 polymer and nylon-6 polymer of the highly shrinkable fiber is in the range of 45.55 to 55:45. The highly shrinkable fiber exhibits a high shrinkage ratio in boiling water, so that when the highly shrinkable fiber is used in a woven fabric, there can be realized a high density.Type: ApplicationFiled: April 18, 2007Publication date: June 3, 2010Applicant: KB SEIREN, LTD.Inventors: Hayato Iwamoto, Yoshitomo Hara, Hideo Ueda, Masaharu Saito
-
Patent number: 7608801Abstract: A roof panel (31) is pre-set on the left and right side members (4) fixed to an underbody of a car. A roof panel spot welding station (7) includes a pair of frames (34) and two joisted-locating jigs (35, 36) bridging the frames. Each of the joisted-locating jigs is furnished with a clamp mechanism for holding the roof panel. The roof panel is located to the side members by the locating jigs, and spot-welded to the side members.Type: GrantFiled: October 17, 2003Date of Patent: October 27, 2009Assignee: Daihatsu Motor Co., Ltd.Inventors: Shinobu Inoue, Masaharu Saito, Akiyoshi Hazama, Yasuhiro Hosokawa, Takuma Arai, Isao Kita, Takuji Izutani, Kazuto Ikeda
-
Patent number: 7498541Abstract: Each of a pair of side members (4) is located relative to an underbody (3) using two locators (16). Each locator is lowered by a lifter (15) and placed on a slide base (18). The slide base is movable along a slide guide (17) toward and away from a transfer conveyor (11).Type: GrantFiled: October 17, 2003Date of Patent: March 3, 2009Assignee: Daihatsu Motor Co., Ltd.Inventors: Shinobu Inoue, Masaharu Saito, Akiyoshi Hazama, Yasuhiro Hosokawa, Takuma Arai, Isao Kita, Takuji Izutani, Kazuto Ikeda
-
Publication number: 20090035498Abstract: A belt-shaped woven structure formed by weaving a non-heat fusible synthetic fiber and a heat fusible synthetic fiber containing in a surface portion thereof a heat fusible component having a softening point lower by 30° C. or more than that of the non-heat fusible synthetic fiber. The heat fusible synthetic fiber is used in at least a part of weft threads forming the woven structure, so that a heat treatment on the woven structure at a temperature higher than the softening point of the heat fusible component fusion bonds the heat fusible synthetic fibers to each other or the heat fusible synthetic fiber and the non-heat fusible fiber. A method of efficiently producing the belt-shaped woven structure such as a seatbelt webbing which is capable of maintaining long-lasting lateral rigidity after repeated use, less prone to twisting, flexible and easy to handle.Type: ApplicationFiled: February 17, 2006Publication date: February 5, 2009Applicant: KB SEIREN, LTD.Inventors: Yoshitomo Hara, Hideo Ueda, Masaharu Saito
-
Publication number: 20080045105Abstract: A core-sheath composite type monofilament for use in a screen gauze comprising the core 1 formed by a fiber-forming polymer 4 containing a material 3 having a property of absorbing light at wavelengths of 350 nm to 450 nm and the sheath 2 formed by a fiber-forming polymer 5, the core-sheath composite type monofilament having average reflectance of 15% or less to light at wavelengths of 350 nm to 450 nm, and a screen gauze using the same. The monofilament is free from strength reduction, scum generation and abrasion of related parts such as reed, and makes no difficulty in ink-release, and requires no dyeing process and thus no additional cost therefor.Type: ApplicationFiled: May 27, 2005Publication date: February 21, 2008Applicant: KB SEIREN, LTD.Inventors: Yoshitomo Hara, Sunao Takahira, Masaharu Saito
-
Publication number: 20060042067Abstract: Each of a pair of side members (4) is located relative to an underbody (3) using two locators (16). Each locator is lowered by a lifter (15) and placed on a slide base (18). The slide base is movable along a slide guide (17) toward and away from a transfer conveyor (11).Type: ApplicationFiled: October 17, 2003Publication date: March 2, 2006Applicant: DAIHATSU MOTOR CO., LTD.Inventors: Shinobu Inoue, Masaharu Saito, Akiyoshi Hazama, Yasuhiro Hosokawa, Takuma Arai, Isao Kita, Takuji Izutani, Kazuto Ikeda
-
Publication number: 20060037185Abstract: A roof panel (31) is pre-set on the left and right side members (4) fixed to an underbody of a car. A roof panel spot welding station (7) includes a pair of frames (34) and two joisted-locating jigs (35, 36) bridging the frames. Each of the joisted-locating jigs is furnished with a clamp mechanism for holding the roof panel. The roof panel is located to the side members by the locating jigs, and spot-welded to the side members.Type: ApplicationFiled: October 17, 2003Publication date: February 23, 2006Inventors: Shinobu Inoue, Masaharu Saito, Akiyoshi Hazama, Yasuhiro Hosokawa, takuma Arai, Isao Kita, Takuji Izutani, Kazuto Ikeda
-
Patent number: 6868812Abstract: A valve timing control system for an internal combustion engine has: a drive force transmitter or a chain sprocket; a cam shaft; a housing, a vane rotor; an advanced angle chamber and a delayed angle chamber; an oil pressure conveyer; a protrusion shaft; a target plate; and a sensor. The protrusion shaft is formed on at least one of the vane rotor and the housing, and protrudes forward. The target plate is mounted on at least one of the vane rotor and the housing. The target plate is formed substantially flat through a press molding, and is press fitted to the protrusion shaft. The target plate has a plurality of detector protrusions and one index protrusion. The detector protrusion and the index protrusion are equal in width.Type: GrantFiled: November 6, 2001Date of Patent: March 22, 2005Assignee: Unisia Jecs CorporationInventors: Masaharu Saito, Hideaki Nakamura, Katsuhiko Uchida
-
Publication number: 20020062802Abstract: A valve timing control system for an internal combustion engine has: a drive force transmitter or a chain sprocket; a cam shaft; a housing, a vane rotor; an advanced angle chamber and a delayed angle chamber; an oil pressure conveyer; a protrusion shaft; a target plate; and a sensor. The protrusion shaft is formed on at least one of the vane rotor and the housing, and protrudes forward. The target plate is mounted on at least one of the vane rotor and the housing. The target plate is formed substantially flat through a press molding, and is press fitted to the protrusion shaft. The target plate has a plurality of detector protrusions and one index protrusion. The detector protrusion and the index protrusion are equal in width.Type: ApplicationFiled: November 6, 2001Publication date: May 30, 2002Inventors: Masaharu Saito, Hideaki Nakamura, Katsuhiko Uchida
-
Patent number: 6177159Abstract: Provided is a composite sheet for food containers which comprises (A) an aroma proof resin layer comprising a saturated polyester resin, a polycarbonate resin and a copolymer comprising three components of bisphenol A, diphenyl carbonate and 1,10-decanedicarboxylic acid or a mixture of at least two of these three resins, (B) a polyamide resin layer, (C) a water vapor barrier resin layer, (D) a gas barrier resin layer and (E) a thermoplastic support resin layer, these layers being laminated in succession in order of A-B-C-D-E. This composite sheet for food container has remarkable aroma proof and low-temperature impact resistance with having the performances of synthetic resin containers having gas barrier properties and capable of being subjected to high-temperature sterilization.Type: GrantFiled: November 26, 1997Date of Patent: January 23, 2001Assignee: Sumitomo Bakelite Company LimitedInventors: Kazuo Tajiri, Masaharu Saito
-
Patent number: 5356717Abstract: Disclosed is a magnetic card which comprises a substrate of a thermoplastic resin and a magnetic recording layer provided on the whole surface of at least one side of the substrate, wherein necessary matters such as letters and figures can be formed in a given area by embossing treatment, and wherein the magnetic recording layer consists of a magnetic film which contains 70% by weight or more of magnetic powders having a coercive force of 300 Oe or higher and which has a tensile break elongation of 50% or more.Type: GrantFiled: December 21, 1992Date of Patent: October 18, 1994Assignee: Sumitomo Bakelite Company LimitedInventors: Koji Choki, Masaharu Saito, Kunimasa Kobayashi, Toru Tachiwada, Katsufumi Awaya
-
Patent number: 5247914Abstract: A variable intake- and/or exhaust-valve timing control system for an internal combustion engine comprises a cam sprocket having a driven connection with an engine crankshaft, a camshaft, a ring gear provided between the camshaft and the cam sprocket for adjusting a relative phase angle between the cam sprocket and the camshaft, and a ring gear drive mechanism for drivingly controlling the ring gear via fluid pressure created by an engine oil pump, depending upon the operating state of the engine. The drive mechanism includes a subsidiary oil pump for supplying a fluid pressure greater than a designated pressure level to the ring gear, during low engine speed and high engine load.Type: GrantFiled: May 27, 1992Date of Patent: September 28, 1993Assignee: Atsugi Unisia CorporationInventors: Hiroaki Imai, Masaharu Saito, Katsuhiko Uchida, Ikuo Misumi, Seija Suga