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1.发明公开
公开(公告)号：EP1804037A3
公开(公告)日：2008-08-06
申请号：EP06025564.3
申请日：1995-05-24
发明人： Saito, Takayuki , Arai, Nobukatsu , Igarashi, Shinya , Kobayashi, Chihiro c/o Hitachi, Ltd. , Hirayama, Hiroshi c/o Hitachi Ltd.,
CPC分类号： G01F1/6842 , G01F1/684 , G01F5/00
摘要： The invention relates to a thermal type air flow measuring apparatus comprising a body (6) which provides with a main passage (5) and a module which is integrated combination of an auxiliary passage (3) having a bent portion (303) and an electronic circuit (8) electrically connected to a heating resistor (1) disposed in said auxiliary passage (3), wherein said module is attached on said body (6) which has an insertion hole (14) through which said auxiliary passage (3) of said module is inserted into said main passage, said electric circuit (8) is disposed outside of said main passage (5), and wherein said body (6) has a mounting surface (15) for mounting said module thereon, said mounting surface (15) projects from an outer surface of said body, and an inlet (301) of said auxiliary passage (3) is placed in the main passage such that a position the inlet (301) is in an area shifted from a center of a cross section of the main passage and around the center of the main passage.
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2.发明授权System with thermal type air flow measuring instrument for internal combustion engine 失效用热装置系统，用于测量在内燃发动机的空气流
公开(公告)号：EP0685713B1
公开(公告)日：2007-04-11
申请号：EP95107996.1
申请日：1995-05-24
CPC分类号： G01F1/6842 , G01F1/684 , G01F5/00
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公开(公告)号：EP0824258B1
公开(公告)日：2004-10-20
申请号：EP97113695.7
申请日：1997-08-07
发明人： Ochi, Naoyuki, Mitsubishi-shataku 521 , Hirama, Masahiro, Keimei-ryo , Tomoto, Hiroshi , Miyazaki, Atsushi , Saito, Takayuki , Uchiyama, Kaoru
CPC分类号： H01C17/02 , H01C1/024 , H01C1/1406 , H01C1/1413
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4.发明公开
公开(公告)号：EP0685713A3
公开(公告)日：1996-11-27
申请号：EP95107996.1
申请日：1995-05-24
IPC分类号： G01F1/68
CPC分类号： G01F1/6842 , G01F1/684 , G01F5/00
摘要： A thermal type air flow measuring instrument is mounted to a main passage (5) forming an intake air passage of an internal combustion engine and is provided with an auxiliary passage (3) which includes a heating resistor (1) and a temperature sensing resistor (2) therein and an electronic circuit (8) which is electrically connected to the heating resistor and the temperature sensing resistor. The auxiliary passage is a passage including at least one bent portion (303) composed of a first path (302) substantially parallel to the main passage and a second path (302) having a path different in flow direction from the first path. A member (4) forming the auxiliary passage is fixed in a united form to only a case member for interiorly protecting the electronic circuit, and the case member is fixed to the outer wall surface of the intake air passage. The auxiliary passage structure capable of being handled as a single module united to the case member is effective to the mass production of an air flow control system and the reduction in cost thereof since the structure can be mounted to different kinds of internal combustion engines.
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公开(公告)号：EP2012097B1
公开(公告)日：2018-09-12
申请号：EP08010270.0
申请日：2008-06-05
申请人： Hitachi, Ltd.
摘要： In an intake air mass flow measurement device, for preventing clogging in a pressure intake tube due to water or the like entering the pressure intake tube in a device measuring a pressure in the intake air tube, the intake air mass flow measurement device includes a mass air flow measurement device (100) for measuring an intake air mass flow in an intake air tube; and a pressure sensing device (150) for sensing pressure in the intake air tube, the pressure sensing device being integrated with the mass air flow measurement device, and an aperture plane opened to the inside of a main air flow passage for detection of the pressure takes in pressure by using a gap generated between a main air flow passage constituting member (200) and an insertion part of the mass air flow measurement device (100) when a measurement part of the mass air flow measurement device (100) is inserted into the main air flow passage. With this construction, it is possible to provide a structure in which water or the like can hardly clog the pressure intake port.
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6.发明公开
公开(公告)号：EP2012097A1
公开(公告)日：2009-01-07
申请号：EP08010270.0
申请日：2008-06-05
申请人： Hitachi Ltd.
IPC分类号： G01F1/684
摘要： In an intake air mass flow measurement device, for preventing clogging in a pressure intake tube due to water or the like entering the pressure intake tube in a device measuring a pressure in the intake air tube, the intake air mass flow measurement device includes a mass air flow measurement device (100) for measuring an intake air mass flow in an intake air tube; and a pressure sensing device (150) for sensing pressure in the intake air tube, the pressure sensing device being integrated with the mass air flow measurement device, and an aperture plane opened to the inside of a main air flow passage for detection of the pressure takes in pressure by using a gap generated between a main air flow passage constituting member (200) and an insertion part of the mass air flow measurement device (100) when a measurement part of the mass air flow measurement device (100) is inserted into the main air flow passage. With this construction, it is possible to provide a structure in which water or the like can hardly clog the pressure intake port.
摘要翻译： 在进气量质量流量测量装置中，为了防止在测量进气管中的压力的装置中进入压力进入管的由于水等引入的压力吸入管中的堵塞，进气质量流量测量装置包括质量 气流测量装置（100），用于测量进气管中的进气质量流量; 以及用于感测进气管中的压力的压力感测装置（150），所述压力感测装置与所述质量空气流量测量装置集成，以及开口到主空气流动通道内部的孔平面，用于检测压力 当质量空气流量测量装置（100）的测量部分被插入时，通过使用在主空气流动通道构成构件（200）和质量空气流量测量装置（100）的插入部分之间产生的间隙来承受压力 主要通风道。 利用这种结构，可以提供一种其中水等难以阻塞压力进入口的结构。
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7.发明公开
公开(公告)号：EP1804037A2
公开(公告)日：2007-07-04
申请号：EP06025564.3
申请日：1995-05-24
CPC分类号： G01F1/6842 , G01F1/684 , G01F5/00
摘要： The invention relates to a thermal type air flow measuring apparatus comprising a body (6) which provides with a main passage (5) and a module which is integrated combination of an auxiliary passage (3) having a bent portion (303) and an electronic circuit (8) electrically connected to a heating resistor (1) disposed in said auxiliary passage (3), wherein said module is attached on said body (6) which has an insertion hole (14) through which said auxiliary passage (3) of said module is inserted into said main passage, said electric circuit (8) is disposed outside of said main passage (5), and wherein said body (6) has a mounting surface (15) for mounting said module thereon, said mounting surface (15) projects from an outer surface of said body, and an inlet (301) of said auxiliary passage (3) is placed in the main passage such that a position the inlet (301) is in an area shifted from a center of a cross section of the main passage and around the center of the main passage.
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公开(公告)号：EP0824258A1
公开(公告)日：1998-02-18
申请号：EP97113695.7
申请日：1997-08-07
发明人： Ochi, Naoyuki, Mitsubishi-shataku 521 , Hirama, Masahiro, Keimei-ryo , Tomoto, Hiroshi , Miyazaki, Atsushi , Saito, Takayuki , Uchiyama, Kaoru
CPC分类号： H01C17/02 , H01C1/024 , H01C1/1406 , H01C1/1413
摘要： Corrosion resistivity of a thermistor (2) is improved. Corrosion resistant material is used for lead wires (5A, B) of the thermistor, and an exposed portion of electrodes (3A, B) of the thermistor and a portion (6) surrounding a weld portion of the lead wires are coated with corrosion resistant material. Since the lead wires themselves are made of corrosion resistant material, there occurs no corrosion in the welding portion and a cut working portion. Further, since the lead wires and the exposed portion of the electrodes are coated with corrosion resistant material, it is possible to provide an electronic device having the extremely high corrosion resistivity and hence the high durability and reliability, with the result that the electronic device can be used for a long period without corrosion under the heavily corrosive environment, such as sulfur dioxide gas atmosphere.
摘要翻译： 热敏电阻（2）的耐腐蚀性提高。 耐热材料用于热敏电阻的引线（5A，B），并且热敏电阻的电极（3A，B）的露出部分和围绕引线的焊接部分的部分（6）涂覆有耐腐蚀性 材料。 由于引线本身由耐腐蚀材料制成，所以在焊接部分和切割加工部分中不会发生腐蚀。 此外，由于引线和电极的暴露部分涂覆有耐腐蚀材料，因此可以提供具有极高耐腐蚀性并因此具有高耐久性和可靠性的电子器件，结果是电子器件可以 长时间使用在腐蚀性较强的环境下无腐蚀，如二氧化硫气体。
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9.发明公开Thermal type air flow measuring instrument for internal combustion engine 失效系统加热器Vorrichtung zum Messen derLuftströmung在einer Brennkraftmaschine
公开(公告)号：EP0685713A2
公开(公告)日：1995-12-06
申请号：EP95107996.1
申请日：1995-05-24
IPC分类号： G01F1/68
CPC分类号： G01F1/6842 , G01F1/684 , G01F5/00
摘要： A thermal type air flow measuring instrument is mounted to a main passage (5) forming an intake air passage of an internal combustion engine and is provided with an auxiliary passage (3) which includes a heating resistor (1) and a temperature sensing resistor (2) therein and an electronic circuit (8) which is electrically connected to the heating resistor and the temperature sensing resistor. The auxiliary passage is a passage including at least one bent portion (303) composed of a first path (302) substantially parallel to the main passage and a second path (302) having a path different in flow direction from the first path. A member (4) forming the auxiliary passage is fixed in a united form to only a case member for interiorly protecting the electronic circuit, and the case member is fixed to the outer wall surface of the intake air passage. The auxiliary passage structure capable of being handled as a single module united to the case member is effective to the mass production of an air flow control system and the reduction in cost thereof since the structure can be mounted to different kinds of internal combustion engines.
摘要翻译： 一种热式气流测量仪安装在形成内燃机的进气通道的主通道（5）上，并具有一个辅助通道（3），它包括一个加热电阻（1）和一个温度检测电阻（ 2）和电连接到加热电阻器和温度感测电阻器的电子电路（8）。 辅助通道是包括由基本上平行于主通道的第一路径（302）和与第一路径的流动方向不同的路径的第二路径（302）组成的至少一个弯曲部分（303）的通道。 形成辅助通道的构件（4）以联合形式固定到仅用于内部保护电子电路的壳体构件，并且壳体构件固定到进气通道的外壁表面。 能够作为与壳体构件联合的单个模块来处理的辅助通道结构对于大量生产空气流量控制系统和降低成本是有效的，因为该结构可以安装到不同种类的内燃机上。
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