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    • 1. 发明专利
    • Burnt gas behavior measurement method
    • 气体行为测量方法
    • JP2007170934A
    • 2007-07-05
    • JP2005367384
    • 2005-12-21
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • FUJIKAWA TAKETOSHITOYAMA MAMORUFUKUI KENJI
    • G01N21/64F02D45/00G01N21/77G01N21/78
    • PROBLEM TO BE SOLVED: To provide a burnt gas behavior measurement method for distinctly discriminating EGR (exhaust gas recirculation) gas from fresh air, measuring both the internal EGR and the external EGR, and moreover, performing two-dimensional measurements.
      SOLUTION: This burnt gas behavior measurement method is for measuring the behavior of burnt gas in an internal combustion engine for circulating a part of the burnt gas from the combustion engine, as internal EGR or external EGR, in a cylinder. A precombustion air-fuel mixture, including a fluorescence emitting precursor and a base fuel, is burnt to produce a combustion product that emits fluorescence of intensity higher than is emitted from the precombustion mixture. By measuring fluorescence emitted by a postcombustion mixture including the combustion product, EGR gas can be distinctly discriminated from fresh air, making it possible to measure both the internal EGR and the external EGR, and moreover, to enable two-dimensional measurements.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于清楚地区分来自新鲜空气的EGR(废气再循环)气体,测量内部EGR和外部EGR两者的燃烧气体行为测量方法,此外,进行二维测量。 解决方案:该燃烧气体行为测量方法用于测量内燃机中的燃烧气体的行为,以使来自内燃机的一部分燃烧气体作为内部EGR或外部EGR循环在气缸中。 包括荧光发射前体和基础燃料的预燃空气燃料混合物被燃烧以产生发射强度高于从预燃混合物发射的强度的荧光的燃烧产物。 通过测量包括燃烧产物的后燃烧混合物发出的荧光,可以清楚地区分EGR气体与新鲜空气,从而可以测量内部EGR和外部EGR两者,此外,能够进行二维测量。 版权所有(C)2007,JPO&INPIT
    • 2. 发明专利
    • Temperature measuring instrument and temperature measuring method
    • 温度测量仪器和温度测量方法
    • JP2009002811A
    • 2009-01-08
    • JP2007164396
    • 2007-06-21
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • FUKUI KENJIFUJIKAWA TAKETOSHIAKIHAMA KAZUHIRO
    • G01N21/64
    • PROBLEM TO BE SOLVED: To measure the temperature of a measuring field such as a combustion environment or the like with high precision at a high speed.
      SOLUTION: This temperature measuring instrument 100 is constituted so as to irradiate the measuring field where a tracer substance is present with a plurality of laser beams of different exciting wavelengths to measure the temperature of the measuring field on the basis of the intensity of the fluorescence emitted from the tracer substance and equipped with a laser beam source 20 which uses sulfur oxide as the tracer substance and emits laser beams having wavelengths mutually different in the temperature dependence of the fluorescence intensity of sulfur oxide as a plurality of different exciting wavelengths, an optical mechanism part 30 for successively guiding successively emitted laser beams different in exciting wavelength to the measuring field 70 to irradiate the measuring field 70 and a photographing part 40 for photographing fluorescence obtained by the irradiation with the laser beams. A temperature calculation part 50 calculates the intensity ratio of the fluorescence intensities corresponding to the respective exciting wavelengths from the photographing result from the photographing part to calculate the temperature of the measuring field on the basis of the intensity ratio.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:以高精度高速度地测量诸如燃烧环境等的测量场的温度。 解决方案:该温度测量仪器100被构成为以不同激发波长的多个激光束照射示踪物质存在的测量场,以根据测量场的强度来测量测量场的温度 从示踪物质发射的荧光并配备有使用硫氧化物作为示踪物质的激光束源20,并且发射具有与硫氧化物的荧光强度的温度依赖性相同的波长的激光束作为多个不同的激发波长, 光学机构部分30,用于将激发波长不同的连续发射的激光束连续地引导到测量场70以照射测量场70,以及用于拍摄通过激光束照射获得的荧光的拍摄部分40。 温度计算部50根据摄影部的拍摄结果,计算与各激发波长对应的荧光强度的强度比,根据强度比计算测量场的温度。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Degreased degree determining device and method
    • 度数测定装置及方法
    • JP2011107029A
    • 2011-06-02
    • JP2009263978
    • 2009-11-19
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • OISHI YOSHIHIKOFUKUI KENJIKIZAKI YOSHIMIAKIHAMA KAZUHIROSUNAMI SEIICHI
    • G01N21/64G01B11/08G01B11/28
    • PROBLEM TO BE SOLVED: To detect automatically a degreased state of a measuring object surface, regardless of oil properties on a quantitative basis, without being influenced by the procedure of a manufacturing process or by individual weight. SOLUTION: A device includes a light source 14 for irradiating a sample 30 with light; a camera 32 for detecting fluorescence from the sample 30; and a means for determining degreasing uniformity and a degreasing condition of the sample 30 by using at least two indexes, namely, a first index acquired by subjecting a fluorescence intensity distribution to space pattern analysis and a second index acquired, by subjecting the fluorescence intensity distribution to statistical analysis. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在不受制造过程的过程或单独重量的影响的情况下,自动检测测量对象表面的脱脂状态,而不考虑油性质。 解决方案:一种装置包括用于用光照射样品30的光源14; 用于检测来自样品30的荧光的照相机32; 以及通过使用至少两个指标来确定样品30的脱脂均匀性和脱脂条件的手段,即通过对荧光强度分布进行空间图案分析和获得的第二指标获得的第一指标,通过使荧光强度分布 进行统计分析。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Burnt gas distribution behavior measurement method
    • 气体分布行为测量方法
    • JP2009198436A
    • 2009-09-03
    • JP2008042914
    • 2008-02-25
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • FUKUI KENJIFUJIKAWA TAKETOSHIAKIHAMA KAZUHIRO
    • G01M15/02G01N21/64
    • PROBLEM TO BE SOLVED: To provide a burnt gas distribution behavior measurement method capable of performing a quantitative measurement of an internal EGR concentration even under a condition that a temperature distribution exists.
      SOLUTION: This burnt gas distribution behavior measurement method for an internal combustion engine includes a first measurement process wherein a pre-burning mixture gas including a fluorescent precursor for producing, by burning, a burnt product generating fluorescence higher than that before burning, a base fuel and a reference substance corresponding to the burnt product is burned and a fluorescence intensity generated by the burnt gas after burning is measured, and a second measurement process wherein the pre-burning mixture gas including the fluorescent precursor and the base fuel is burned and the fluorescent intensity generated by the burnt gas after burning is measured. An inner EGR ratio distribution is obtained in accordance with a fluorescent intensity ratio distribution of the fluorescent intensity by the second measurement process and a difference between the fluorescent intensities by the first and second measurement processes, a concentration ratio between a concentration of the reference substance in the first measurement process and a concentration of the burnt product in the second measurement process and an average inner EGR ratio.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供即使在存在温度分布的条件下也能够进行内部EGR浓度的定量测量的燃烧气体分布行为测量方法。 解决方案:内燃机的燃烧气体分布行为测量方法包括第一测量过程,其中包括荧光前体的预燃烧混合气体通过燃烧产生比燃烧前高的荧光的燃烧产物, 燃烧与燃烧产物相对应的基础燃料和对照物质,测定燃烧后的燃烧气体产生的荧光强度,并且将包含荧光前驱体和基础燃料的预燃混合气体燃烧的第二测定处理 测定燃烧后的燃烧气体产生的荧光强度。 根据通过第二测量处理的荧光强度的荧光强度比分布和通过第一和第二测量过程的荧光强度之间的差异,获得内部EGR率分布,参考物质的浓度之间的浓度比 第一测量过程和第二测量过程中燃烧产物的浓度和平均内部EGR率。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Measuring method of oxygen concentration
    • 氧浓度测量方法
    • JP2009085631A
    • 2009-04-23
    • JP2007252449
    • 2007-09-27
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • FUKUI KENJIFUJIKAWA TAKETOSHIAKIHAMA KAZUHIRO
    • G01N21/64
    • PROBLEM TO BE SOLVED: To provide a method capable of measuring two-dimensionally the oxygen concentration in atmospheric gas without relying on temperature or pressure.
      SOLUTION: This measuring method of the oxygen concentration includes; a process for measuring respectively the intensity of fluorescence emitted from each fluorescence agent, when laser light corresponding to an excitation wavelength of each fluorescence agent is irradiated to atmospheric gas mixed with a plurality of kinds of fluorescence agents; and a process for determining the oxygen concentration in the atmospheric gas based on each measured intensity ratio of the fluorescence. Preferably, acetone and toluene are used as the fluorescence agents, and the oxygen concentration in the atmospheric gas is determined based on the intensity ratio between fluorescence of acetone acquired by irradiation of laser light having the wavelength of 266 nm and fluorescence of toluene acquired by irradiation of laser light having the wavelength of 248 nm.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够二维地测量大气中的氧气浓度而不依赖于温度或压力的方法。

      解决方案:该氧浓度的测量方法包括: 当对应于每个荧光剂的激发波长的激光照射到与多种荧光剂混合的大气中时,分别测量从每个荧光剂发射的荧光强度的过程; 以及基于每个测量的荧光强度比确定大气中的氧浓度的方法。 优选使用丙酮和甲苯作为荧光剂,并且基于通过照射波长266nm的激光获得的丙酮的荧光与通过照射获得的甲苯的荧光之间的强度比来确定气氛气体中的氧浓度 的波长为248nm的激光。 版权所有(C)2009,JPO&INPIT