Patents Assigned to Daihatsu Motor Co., Ltd.
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Publication number: 20070292329Abstract: An object of the present invention is to provide a method for producing a noble metal-containing heat-resistant oxide having excellent durability under a high temperature atmosphere According to the method for producing a noble metal-containing heat-resistant oxide of the present invention, a coordination element material containing coordination elements is blended and the obtained first precursor composition is subjected to a first heat treatment to form a first heat-treated composition (crystal lattice) such as a perovskite-type composite oxide or a fluorite-type composite oxide. Then, a noble metal element material containing a noble metal element such as Pt, Rh or Pd is blended with the first heat-treated composition and the secondary precursor composition thus obtained is subjected to a second heat treatment (baking) at a temperature which is higher than that of the first heat treatment and is 600° C. or higher.Type: ApplicationFiled: October 31, 2005Publication date: December 20, 2007Applicant: DAIHATSU MOTOR CO., LTD.Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi
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Patent number: 7297654Abstract: An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal stabilized zirconia-based composite oxide containing at least one stabilizing element, and a surface layer portion including a heat resistant zirconia-based composite oxide formed on a surface of the core portion. The surface layer has a specific surface area which is larger than a specific surface area of the core portion. A part of the noble metal is solid-solutioned into the zirconia-based composite oxide of the surface layer portion, and the balance of the noble metal is carried on a surface of the surface layer portion.Type: GrantFiled: September 7, 2006Date of Patent: November 20, 2007Assignees: Cataler Corporation, Daihatsu Motor Co., Ltd.Inventors: Mareo Kimura, Naoto Miyoshi, Hirohisa Tanaka, Isao Tan
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Publication number: 20070249497Abstract: A catalyst composition which prevents deterioration due to grain growth of Rh and/or Pt, includes a perovskite-type composite oxide represented by the following general formula (1): A1?xA?xB1?(y+z)B?yNzO3??(1) wherein A represents at least one element selected from alkaline earth metals; A? represents at least one element selected from rare earth elements; B represents at least one element selected from Ti, Zr, and Hf; B? represents at least one element selected from transition elements (excluding rare earth elements, Ti, Zr, Hf, Rh, and Pt) and Al; N represents at least one element selected from Rh and Pt; x represents an atomic ratio satisfying the following condition: 0?x?0.4; y represents an atomic ratio satisfying the following condition: 0?y<0.5; z represents an atomic ratio satisfying the following condition: 0<z?0.5; and X represents 0 when N represents Pt alone.Type: ApplicationFiled: December 15, 2004Publication date: October 25, 2007Applicant: Daihatsu Motor Co., Ltd.Inventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Masashi Taniguchi
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Publication number: 20070213208Abstract: To provide a perovskite-type composite oxide which has stable quality in which a solid solution of Pd is formed at a high rate, a method for producing the perovskite-type composite oxide, and a catalyst composition containing the perovskite-type composite oxide, the perovskite-type composite oxide is produced by formulating materials in accordance with each atomic ratio of a perovskite-type composite oxide represented by the following general formula (1): AxB(1-y)PdyO3+???(1) wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements, and Pd), Al and Si; x represents an atomic ratio satisfying the following condition: 1<x; y represents an atomic ratio satisfying the following condition: 0<y?0.5; and ? represents an oxygen excess.Type: ApplicationFiled: March 18, 2005Publication date: September 13, 2007Applicants: DAIHATSU MOTOR CO., LTD, HOKKO CHEMICAL INDUSTRY CO., LTD., CATALER CORPORATIONInventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi, Kimiyoshi Kaneko, Senshu Mitachi, Mareo Kimura, Keiichi Narita, Noboru Sato
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Publication number: 20070206182Abstract: A method of inspecting an inspection target surface comprises: irradiating an irradiation light having a predetermined pattern on the inspection target surface; imaging the surface irradiated with the irradiation light; and inspecting the inspection target surface based on an obtained image of the inspection target surface. The irradiation light irradiated from an irradiation face has a mesh-like pattern including meshes of a same shape. Each mesh has an irradiation area smaller than a non-irradiation area in a plane normal to the optical axis. The inspection target surface is inspected based on lightness/darkness information of an image area in the obtained image corresponding to a non-irradiated area in the inspection target surface. A light point having intermediate brightness and formed in a dark face formed within the mesh is extracted as a defect candidate.Type: ApplicationFiled: October 20, 2004Publication date: September 6, 2007Applicant: DAIHATSU MOTOR CO., LTD.Inventors: Chie Ishikawa, Makoto Iwata, Mamoru Sakaue, Keisuke Kuroki
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Patent number: 7248996Abstract: A highly reliable vehicle driver's fatigue evaluating method is provided, which is capable of quantitatively calculating a degree of fatigue of a driver seated on a seat. The degree of fatigue of the driver seated on a seat is quantitatively calculated based on an amount of rearward deflection of a lower part of a backrest portion of the seat, a load applied downward to a front part of a seating portion of the seat, and a load applied rearward to an upper part of the backrest portion, in a state of the driver being seated on the seat.Type: GrantFiled: June 23, 2003Date of Patent: July 24, 2007Assignee: Daihatsu Motor Co., Ltd.Inventors: Koro Uenishi, Masatoshi Tanaka, Naoki Miyamoto, Sadami Tsutsumi
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Publication number: 20070167632Abstract: To provide a catalyst for synthesis reaction which can achieve good yield in the Sonogashira reaction and also can be recovered after the reaction, and a method for synthesizing a compound in which the catalyst for synthesis reaction is used, a perovskite-type composite oxide containing palladium is used as the catalyst for synthesis reaction in the Sonogashira reaction represented by the following reaction scheme (1): R1—X+HC?CR2?R1C?CR2 ??(1)Type: ApplicationFiled: April 25, 2006Publication date: July 19, 2007Applicants: Cambridge University Technical Services Limited, Daihatsu Motor Co., Ltd., Hokko Chemical Industry Co., Ltd.Inventors: Steven Ley, Martin Smith, Sophie Lohmann, Steven Andrews, J. Attfield, Hirohisa Tanaka, Kimiyoshi Kaneko
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Patent number: 7205257Abstract: To provide an exhaust gas purifying catalyst which can maintain the catalytic activity at a high level over a long time and can achieve satisfactory emission control performance, an exhaust gas purifying catalyst is prepared so as to contain a noble metal, a perovskite-type composite oxide represented by the following general formula (3), and theta-alumina and/or alpha-alumina: AB1-mNmO3??(3) wherein A represents at least one element selected from rare-earth elements and alkaline earth metals; B represents at least one element selected from Al and transition elements excluding rare-earth elements and noble metals; N represents a noble metal; and m represents an atomic ratio of N satisfying the following relation: 0<m<0.5.Type: GrantFiled: July 3, 2003Date of Patent: April 17, 2007Assignees: Daihatsu Motor Co., Ltd., Cataler CorporationInventors: Hirohisa Tanaka, Isao Tan, Mari Uenishi, Nobuhiko Kajita, Masashi Taniguchi, Yasunori Sato, Keiichi Narita, Noboru Sato
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Patent number: 7187773Abstract: An abnormal sound evaluation system according to this invention includes a sound recording device for recording a sound generated from equipment at a location adjacent the equipment, and an abnormal sound evaluation device for evaluating the sound recorded, wherein: the sound recording device includes sound data conversion means for converting the recorded sound into digital sound data, and sound data output means for outputting the digital sound data thus converted for the abnormal sound evaluation device; and the abnormal sound evaluation device includes sound data input means for receiving the digital sound data, and abnormal sound evaluation means for evaluating the sound as to abnormality based on the digital sound data inputted and outputting a conclusion of the evaluation including abnormality information about the equipment.Type: GrantFiled: September 28, 2001Date of Patent: March 6, 2007Assignee: Daihatsu Motor Co., Ltd.Inventors: Tsuyoshi Hamada, Nozomi Kusao, Michiaki Ogino, Masaru Ando, Ryoichi Edo
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Publication number: 20070021294Abstract: An exhaust gas-purifying catalyst includes a zeolite and a perovskite composite oxide containing palladium placed at its B site.Type: ApplicationFiled: September 27, 2006Publication date: January 25, 2007Applicants: CATALER CORPORATION, DAIHATSU MOTOR CO., LTD.Inventors: Asuka Hori, Keiichi Narita, Yasunori Sato, Hirohisa Tanaka, Ichiro Takahashi, Nobuhiko Kajita
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Patent number: 7162350Abstract: A control of a vehicle motion control device 10 is as follows during an oversteer restraining control. Specifically, when tire inflation pressure is appropriate, the device sets braking force exerted on each of front and rear wheels at the outer side of the turning direction so as to be reference braking forces Ff1 and Fr1, that are generated when an absolute value of a lateral acceleration deviation ?Gy is not less than a reference value a1 and that respectively increase up to an upper limit value ff and upper limit value fr in accordance with the increase in the absolute value of the lateral acceleration deviation ?Gy.Type: GrantFiled: July 28, 2003Date of Patent: January 9, 2007Assignees: Advics Co., Ltd., Daihatsu Motor Co., Ltd.Inventors: Toshihisa Kato, Masanobu Fukami, Tokio Yakushijin
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Publication number: 20070004589Abstract: An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal stabilized zirconia-based composite oxide containing at least one stabilizing element, and a surface layer portion including a heat resistant zirconia-based composite oxide formed on a surface of the core portion. The surface layer has a specific surface area which is larger than a specific surface area of the core portion. A part of the noble metal is solid-solutioned into the zirconia-based composite oxide of the surface layer portion, and the balance of the noble metal is carried on a surface of the surface layer portion.Type: ApplicationFiled: September 7, 2006Publication date: January 4, 2007Applicants: CATALER CORPORATION, DAIHATSU MOTOR CO., LTD.Inventors: Mareo Kimura, Naoto Miyoshi, Hirohisa Tanaka, Isao Tan
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Patent number: 7109702Abstract: A non-destructive inspection includes: magnetizing a target by a first magnetostatic field (S2); shutting off the magnetostatic field (S3); measuring, at measurement points, the transient change of a differential magnetic flux density of a first residual magnetic field of the target (S4); obtaining a first time constant by the main time constant of the transient change at each measurement point (S5); magnetizing the target by a second magnetostatic field (S2); shutting off the second field (S3); measuring, at the measurement points, the transient change of a differential magnetic flux density of a second residual magnetic field of the target (S4); obtaining a second time constant by the main time constant of the transient change for each measurement point (S5); and obtaining information about the internal structure of the target by the distribution differences between the first and the second time constants at the measurement points (S7).Type: GrantFiled: September 24, 2002Date of Patent: September 19, 2006Assignees: Daihatsu Motor Co., Ltd., Magnegraph Co., Ltd.Inventors: Kazunobu Imamoto, Takashi Kimura
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Patent number: 7084623Abstract: A non-destructive inspection device (X1) includes an exciting pole (10) having a magnetic flux exciting surface (11) for exciting a magnetic flux to form a magnetic field in an inspection target, a recovering pole (30) having a magnetic flux recovering surface (31) for recovering the magnetic flux excited from the magnetic flux exciting surface (11), and a coil array (50) having a plurality of loop coils though which the magnetic flux excited from the magnetic flux exciting surface (11) passes prior to reaching the inspection target, the coil array being offset toward the recovering pole (30) with respect to the magnetic flux exciting surface (11).Type: GrantFiled: September 24, 2002Date of Patent: August 1, 2006Assignees: Daihatsu Motor Co., Ltd., Magnegraph Co., Ltd.Inventors: Kazunobu Imamoto, Takashi Kimura
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Patent number: 7081430Abstract: An exhaust gas purifying catalyst that provides the excellent low-temperature activity and also develops the good catalytic activity of rhodium to produce a good purifying performance economically. The exhaust gas purifying catalyst comprises an alumina on which rhodium and platinum are previously supported; a zirconium complex oxide on which rhodium and platinum are previously supported; and a cerium complex oxide on which platinum is previously supported.Type: GrantFiled: June 18, 2002Date of Patent: July 25, 2006Assignee: Daihatsu Motor Co., Ltd.Inventors: Mari Uenishi, Isao Tan, Hirohisa Tanaka
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Patent number: 7066492Abstract: A steering device (20) for an automobile (1) comprises a steering shaft (23) supporting a steering wheel (24), a steering gear device (26) disposed rearwardly of the lower end of the steering shaft (23), and an operative connection gear device (28) disposed forwardly of the steering gear device (26), supported by the car body (2) through a bracket (27) and adapted to operatively connect the steering gear device (26) to the lower end of the steering shaft (23). The bracket (27) comprises a front frame (36) constituting the front of the bracket (27) and supported at the front end thereof by the car body (2), the rear side thereof extending rearwardly downward, and a rear frame (38) constituting the rear of the bracket (27) and rearwardly extending from the rear end of the front frame (36), the rear end thereof being supported by the car body (2), with the operative connection gear device (28) being supported by the rear frame (38).Type: GrantFiled: January 30, 2003Date of Patent: June 27, 2006Assignee: Daihatsu Motor Co., Ltd.Inventor: Kosaku Horita
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Publication number: 20060106562Abstract: A highly reliable vehicle driver's fatigue evaluating method is provided, which is capable of quantitatively calculating a degree of fatigue of a driver seated on a seat. The degree of fatigue of the driver seated on a seat is quantitatively calculated based on an amount of rearward deflection of a lower part of a backrest portion of the seat, a load applied downward to a front part of a seating portion of the seat, and a load applied rearward to an upper part of the backrest portion, in a state of the driver being seated on the seat.Type: ApplicationFiled: June 23, 2003Publication date: May 18, 2006Applicant: DAIHATSU MOTOR CO., LTD.Inventors: Koro Uenishi, Masatoshi Tanaka, Naoki Miyamoto, Sadami Tsutsumi
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Patent number: 7028648Abstract: A multicylinder internal combustion engine is provided with a plurality of cylinders sharing a single crankshaft. The combustion characteristics in the respective cylinders is improved by taking out part of combustion (expansion) gas produced in one of the cylinders at an earlier stage of the explosion (expansion) stroke, and then introducing the gas into another one of the cylinders in the suction or compression stroke.Type: GrantFiled: November 26, 2001Date of Patent: April 18, 2006Assignee: Daihatsu Motor Co., Ltd.Inventors: Kunio Hasegawa, Eiji Mishima, Toshihiro Imanishi, Kazunori Nishikawa, Takeshi Serizawa, Yoshiki Morinaga
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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
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Publication number: 20060040517Abstract: A printed board is arranged above solder blowing nozzles of a spot flow soldering apparatus with first terminal groups facing upward, second terminal groups projected toward the solder blowing nozzles are shielded by shield jigs, solder jetted from the solder blowing nozzles solders soldered portion of the first terminal groups to a first conductor on a back side of the printed board, then the printed board is turned upside down to put the second terminal groups in an upward facing state and to use a jig to shield the first terminal groups facing downward, and solder jetted from the solder blowing nozzles solders soldered portion of the second terminal groups to a second conductor on a front side of the printed board.Type: ApplicationFiled: August 18, 2005Publication date: February 23, 2006Applicants: SUMITOMO WIRING SYSTEMS, LTD., DAIHATSU MOTOR CO., LTD.Inventors: Shunji Taga, Kazuhiro Nakanishi