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公开(公告)号：US20180120248A1
公开(公告)日：2018-05-03
申请号：US15715566
申请日：2017-09-26
Applicant: DENSO CORPORATION
Inventor： Hiroyuki AKUZAWA , Takashi ENOMOTO , Junzo YAMAGUCHI , Takuma TSUCHIYA
IPC: G01N27/22
CPC classification number: G01N27/223 , G01N33/0011 , G01N33/0036
Abstract: A sensor body has a body recess portion, in which a sensor element is housed and the body recess portion opens at a body opening portion. A sensor cover has a cover window which communicates between the intake passage and the body opening portion, and the sensor cover covers the sensor body. A sensor filter is provided with a sensor peripheral portion which extends along a virtual surface. In a projection view with respect to the virtual plane the body opening portion and the cover window are positioned within a filtering area which is defined as an inner side of a contour of the filter peripheral portion, such that the filter peripheral portion contacts the sensor body and the sensor cover.
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公开(公告)号：US20160356231A1
公开(公告)日：2016-12-08
申请号：US15164006
申请日：2016-05-25
Applicant: DENSO CORPORATION
Inventor： Takashi ENOMOTO
CPC classification number: G01F1/696 , F02D41/18 , Y02T10/142
Abstract: A flow measuring device includes an output portion that outputs an electric signal having a shape of rectangle wave with an edge rising or falling in a signal value. The electric signal corresponds to a flow rate of intake air drawn into an internal-combustion engine. The output portion applies or stops a control voltage to a switching element disposed in an output wiring through which the electric signal is output so as to form the edge. The output portion has an edge relief part that changes the control voltage with progress of time so as to gradually increase or decrease the signal value at the edge.
Abstract translation: 流量测量装置包括输出部，其输出具有上升或下降信号值的边缘的矩形波形的电信号。 电信号对应于吸入内燃机的进气流量。 输出部分对设置在输出电路中的开关元件施加或停止控制电压，从而形成边缘。 输出部分具有边缘释放部分，随着时间的推移改变控制电压，以便逐渐增加或减少边缘处的信号值。
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Patent Agency Ranking
公开(公告)号：US20220018697A1
公开(公告)日：2022-01-20
申请号：US17449683
申请日：2021-10-01
Applicant: DENSO CORPORATION
Inventor： Takashi ENOMOTO , Kengo ITOU , Hiroyuki AKUZAWA , Hajime MASHITA , Yasushi KOUNO
Abstract: A sensor recess portion is provided on a sensor back surface. A membrane portion provided with a detection element forms a bottom surface of the sensor recess portion. A sensor support portion includes a back support portion, a support recess portion, a support hole, and a support recess inner wall surface. The back support portion covers an opening of the sensor recess portion. The support recess portion is provided on a side opposite from a physical quantity sensor. The support hole penetrates the back support portion and communicates with the opening. The support recess inner wall surface extends from the support recess bottom portion and is inclined with respect to a center line of the support hole.
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公开(公告)号：US20200158550A1
公开(公告)日：2020-05-21
申请号：US16749504
申请日：2020-01-22
Applicant: DENSO CORPORATION
Inventor： Junzo YAMAGUCHI , Noboru KITAHARA , Hiroshi TAGAWA , Masaki INOUE , Hajime MASHITA , Takashi ENOMOTO
Abstract: An air flow meter includes an inward part that is positioned inward of an intake pipe and an outward part that is positioned not inward but outward of the intake pipe. The air flow meter further includes a first detector provided in the inward part, and a second detector provided at a position closer to the outward part than the first detector.
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公开(公告)号：US20190170551A1
公开(公告)日：2019-06-06
申请号：US16267421
申请日：2019-02-05
Applicant: DENSO CORPORATION
Inventor： Takuma TSUCHIYA , Junzo YAMAGUCHI , Takashi ENOMOTO , Hiroyuki AKUZAWA
Abstract: A sensor body contains a sensor element in a body recess opened at a body opening. A sensor substrate has a mounting surface on which a circuit element for processing a detection signal is mounted and holds the sensor body on the mounting surface. A sensor cover has a cover window penetrating between an intake passage and the body opening and covers the sensor body. A sensor filter is interposed between the sensor body and the sensor cover. A potting resin body is cured on the mounting surface so as to seal the circuit element. The sensor cover is embedded in the potting resin body on the outer peripheral side of the sensor body.
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公开(公告)号：US20210190555A1
公开(公告)日：2021-06-24
申请号：US17191251
申请日：2021-03-03
Applicant: DENSO CORPORATION
Inventor： Takuma TSUCHIYA , Junzo YAMAGUCHI , Takashi ENOMOTO , Hiroyuki AKUZAWA
Abstract: A sensor body contains a sensor element in a body recess opened at a body opening. A sensor substrate has a mounting surface on which a circuit element for processing a detection signal is mounted and holds the sensor body on the mounting surface. A sensor cover has a cover window penetrating between an intake passage and the body opening and covers the sensor body. A sensor filter is interposed between the sensor body and the sensor cover. A potting resin body is cured on the mounting surface so as to seal the circuit element. The sensor cover is embedded in the potting resin body on the outer peripheral side of the sensor body.
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公开(公告)号：US20180245962A1
公开(公告)日：2018-08-30
申请号：US15754671
申请日：2016-12-12
Applicant: DENSO CORPORATION
Inventor： Takashi ENOMOTO , Keisuke ITAKURA
CPC classification number: G01F1/692 , G01F1/684 , G01F5/00 , G01N27/225
Abstract: An air flow rate measurement device disposed in an intake passage by passing through an insertion hole of an intake pipe of an engine to communicate inside and outside includes: a case having a bypass channel, a part of air flowing through the intake passage flows into the bypass channel; a flow rate sensor arranged inside of the case, and having a flow rate detector which detects a flow rate of air flowing through the bypass channel; and a humidity sensor arranged outside of the case, and having a humidity detector which detects a humidity of air flowing through the intake passage. A surface of the humidity detector is arranged to oppose a wall of the case through a clearance.
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