专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06672153B2 Mass airflow measuring apparatus 有权
公开(公告)号：US06672153B2
公开(公告)日：2004-01-06
申请号：US10157984
申请日：2002-05-31
申请人： Shinya Igarashi , Atsushi Kanke , Rintarou Minamitani , Keiichi Nakada , Izumi Watanabe
发明人： Shinya Igarashi , Atsushi Kanke , Rintarou Minamitani , Keiichi Nakada , Izumi Watanabe
IPC分类号： G01F168
CPC分类号： G01F1/6983 , F02D41/042
摘要： To offer a mass airflow measuring apparatus in which the effect of the adhesion onto the heating resistor caused while the engine is off is reduced and the measuring accuracy is improved. The apparatus measures the mass airflow of the air sucked into the internal combustion engine, using the heating resistor 1. The power control circuit 4 maintains the heating resistor 1 temperature equal to or higher than the temperature during the operation of the internal combustion engine after the internal combustion engine has stopped and until the temperature of the internal combustion engine and its apparatuses installed in the suction system has lowered below the generation temperature of volatile gas such as oil vapor. The power control circuit 4, using the temperature sensing resistor 2 that detects the temperature of the air sucked into the combustion engine, detects the air temperature and maintains the heating resistor 1 temperature, based on the temperature measured, equal to or higher than the temperature during the operation of the internal combustion engine even after the internal combustion engine has stopped.

2. 发明授权

US06860149B2 Mass airflow measuring apparatus 有权
标题翻译：大气流量测仪
公开(公告)号：US06860149B2
公开(公告)日：2005-03-01
申请号：US10652029
申请日：2003-09-02
申请人： Shinya Igarashi , Atsushi Kanke , Rintarou Minamitani , Keiichi Nakada , Izumi Watanabe
发明人： Shinya Igarashi , Atsushi Kanke , Rintarou Minamitani , Keiichi Nakada , Izumi Watanabe
IPC分类号： G01F1/68 , F02D35/00 , F02D41/04 , F02D45/00 , G01F1/696 , G01F1/698
CPC分类号： G01F1/6983 , F02D41/042
摘要： To offer a mass airflow measuring apparatus in which the effect of the adhesion onto the heating resistor caused while the engine is off is reduced and the measuring accuracy is improved. The apparatus measures the mass airflow of the air sucked into the internal combustion engine, using the heating resistor 1. The power control circuit 4 maintains the heating resistor 1 temperature equal to or higher than the temperature during the operation of the internal combustion engine after the internal combustion engine has stopped and until the temperature of the internal combustion engine and its apparatuses installed in the suction system has lowered below the generation temperature of volatile gas such as oil vapor. The power control circuit 4, using the temperature sensing resistor 2 that detects the temperature of the air sucked into the combustion engine, detects the air temperature and maintains the heating resistor 1 temperature, based on the temperature measured, equal to or higher than the temperature during the operation of the internal combustion engine even after the internal combustion engine has stopped.
摘要翻译：提供一种质量气流测量装置，其中在发动机关闭时引起在加热电阻器上的附着力的影响减小，并且提高了测量精度。该装置使用加热电阻器1测量吸入内燃机的空气的质量气流。功率控制电路4将发热电阻体1的温度保持在等于或高于内燃机运转后的温度内燃机已经停止，并且直到安装在抽吸系统中的内燃机及其装置的温度降低到低于诸如油蒸气的挥发性气体的发生温度。功率控制电路4使用检测吸入到内燃机中的空气的温度的温度检测电阻器2，根据测得的温度检测空气温度并维持加热电阻器1的温度等于或高于温度即使在内燃机停止之后，内燃机的运转也是如此。

3. 发明授权

US06752014B1 Hot-wire type air flow meter for internal combustion engine 有权
标题翻译：内燃机热丝式空气流量计
公开(公告)号：US06752014B1
公开(公告)日：2004-06-22
申请号：US09653168
申请日：2000-09-01
申请人： Atsushi Kanke , Masamichi Yamada , Keiichi Nakada , Izumi Watanabe , Hisao Sonobe
发明人： Atsushi Kanke , Masamichi Yamada , Keiichi Nakada , Izumi Watanabe , Hisao Sonobe
IPC分类号： G01F168
CPC分类号： G01F1/698 , G01F1/6845 , G01F1/696
摘要： A hot-wire type air flow meter for an internal combustion engine has an exothermic resistor film provided on a thin portion formed on a silicon substrate and a control circuit for controlling a voltage to be applied to the resistor film or a current to be supplied. The resistor film is arranged in a suction pipe of the internal combustion engine and heat is emitted to an air through the resistor film. In the case where a liquid droplet is deposited onto the resistor film, the control circuit controls the applied voltage to a value smaller than a voltage which is applied to the resistor film at the time of measuring a maximum specified measuring range or controls the supply current to a value smaller than a current flowing in the resistor film at the time of measuring the maximum specified measuring range.
摘要翻译：用于内燃机的热线式空气流量计具有设置在形成在硅基板上的薄部分上的放热电阻膜和用于控制施加到电阻膜的电压或要供应的电流的控制电路。电阻膜布置在内燃机的吸入管中，并且通过电阻膜将热量排放到空气中。在液滴沉积到电阻膜上的情况下，控制电路将施加的电压控制为比测量最大规定测量范围时施加到电阻膜的电压小的值，或者控制电源电流达到在测量最大规定测量范围时小于在电阻膜中流动的电流的值。

4. 发明授权

US07559237B2 Air flow measuring device provided with a vent in air passage 有权
标题翻译：气流测量装置在空气通道中设有通风口
公开(公告)号：US07559237B2
公开(公告)日：2009-07-14
申请号：US12149242
申请日：2008-04-29
申请人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： G01F1/68
CPC分类号： G01F1/6845 , G01F1/6842 , G01F5/00 , G01F15/12
摘要： The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.
摘要翻译：本发明提供了一种空气流量测量装置，其包括具有子通道的壳体，该子通道具有形成在壳体中的气流的入口和出口，该子通道还具有具有最大下游点的预定曲率和流量测量元件位于至少在该点下游的位置处的子通道中。

5. 发明申请

US20060225497A1 Air flow measuring device 有权
标题翻译：气流测量装置
公开(公告)号：US20060225497A1
公开(公告)日：2006-10-12
申请号：US11451468
申请日：2006-06-13
申请人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： G01F1/68
CPC分类号： G01F1/6845 , G01F1/6842 , G01F5/00 , G01F15/12
摘要： The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.
摘要翻译：本发明提供了一种空气流量测量装置，其包括具有子通道的壳体，该子通道具有形成在壳体中的气流的入口和出口，该子通道还具有具有最大下游点的预定曲率和流量测量元件位于至少在该点下游的位置处的子通道中。

6. 发明申请

US20070169548A1 Air flow measuring device 有权
公开(公告)号：US20070169548A1
公开(公告)日：2007-07-26
申请号：US11730716
申请日：2007-04-03
申请人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： G01F1/68
CPC分类号： G01F1/6845 , G01F1/6842 , G01F5/00 , G01F15/12
摘要： The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.

7. 发明授权

US07216535B2 Air flow measuring device and engine having the air flow measuring device 有权
标题翻译：具有气流测量装置的气流测量装置和发动机
公开(公告)号：US07216535B2
公开(公告)日：2007-05-15
申请号：US11451468
申请日：2006-06-13
申请人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： G01F1/68
CPC分类号： G01F1/6845 , G01F1/6842 , G01F5/00 , G01F15/12
摘要： The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.
摘要翻译：本发明提供了一种空气流量测量装置，其包括具有子通道的壳体，该子通道具有形成在壳体中的气流的入口和出口，该子通道还具有具有最大下游点的预定曲率和流量测量元件位于至少在该点下游的位置处的子通道中。

8. 发明申请

US20050204810A1 Air flow measuring device 有权
标题翻译：气流测量装置
公开(公告)号：US20050204810A1
公开(公告)日：2005-09-22
申请号：US11135519
申请日：2005-05-24
申请人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： F02D35/00 , G01F1/684 , G01F5/00 , G01F15/12
CPC分类号： G01F1/6845 , G01F1/6842 , G01F5/00 , G01F15/12
摘要： The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.
摘要翻译：本发明提供了一种气流测量装置，其包括具有子通道的壳体，该子通道具有形成在壳体中的空气流的入口和出口，子通道还具有具有最大下游点的预定曲率和流量测量元件位于至少在该点下游的位置处的子通道中。

9. 发明授权

US06935172B2 Thermal type flow measuring device 有权
标题翻译：热式流量测量装置
公开(公告)号：US06935172B2
公开(公告)日：2005-08-30
申请号：US10486563
申请日：2001-08-14
申请人： Junichi Horie , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Junichi Horie , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： G01F1/684 , G01F1/698 , G01F1/68
CPC分类号： G01F1/698 , G01F1/6845
摘要： A thermal type flow measuring device comprises a heating resistor(HF), a temperature measuring resistor(Ru) upstream of the heating resistor(HF) with respect to a fluid(Q), and a temperature measuring resistor(Rd) downstream of the heating resistor(HF). A heat sensitive resistance element(CF), the upstream temperature measuring resistor(Ru) and the downstream temperature measuring resistor(Rd) form a first bridge circuit, and this first bridge circuit and the heating resistor(HF) form a second bridge circuit. Feedback control means(OP1, Tr) heat the heating resistor(HF) in accordance with an output for keeping a balance of the second bridge circuit. The distance between the heat sensitive resistance element(CF) and the heating resistor(HF) is larger than the distance between the upstream temperature measuring resistor(Ru) or the downstream temperature sensitive resistor(Rd) and the heating resistor(HF) so that the heat sensitive resistance element(CF) is positioned to receive less thermal influences from the heating resistor(HF) than the upstream temperature measuring resistor(Ru) and the downstream temperature sensitive resistor(Rd). The upstream temperature measuring resistor or the downstream temperature measuring resistor is heated by the heating resistor, and the flow rate of the fluid is measured based on an output for keeping a balance of the first bridge circuit.
摘要翻译：热式流量测量装置包括加热电阻器（HF），相对于流体（Q）的加热电阻器（HF）上游的温度测量电阻器（Ru）和加热下游的温度测量电阻器（Rd）电阻（HF）。热敏电阻元件（CF），上游温度测量电阻器（Ru）和下游温度测量电阻器（Rd）形成第一桥接电路，该第一桥接电路和加热电阻器（HF）形成第二桥接电路。反馈控制装置（OP 1，Tr）根据用于保持第二桥接电路的平衡的输出加热加热电阻器（HF）。热敏电阻元件（CF）和加热电阻器（HF）之间的距离大于上游温度测量电阻器（Ru）或下游温度敏感电阻器（Rd）和加热电阻器（HF）之间的距离，使得热敏电阻元件（CF）被定位成比上游温度测量电阻器（Ru）和下游温度敏感电阻器（Rd）更少地受到来自加热电阻器（HF）的热影响。上游温度测量电阻器或下游温度测量电阻器被加热电阻器加热，并且基于用于保持第一桥接电路的平衡的输出来测量流体的流量。

10. 发明申请

US20080202230A1 Air flow measuring device 有权
标题翻译：气流测量装置
公开(公告)号：US20080202230A1
公开(公告)日：2008-08-28
申请号：US12149242
申请日：2008-04-29
申请人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
发明人： Hiromu Kikawa , Izumi Watanabe , Shinya Igarashi , Keiichi Nakada , Kei Ueyama
IPC分类号： G01F5/00
CPC分类号： G01F1/6845 , G01F1/6842 , G01F5/00 , G01F15/12
摘要： The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a predefined curvature with a maximum downstream point and a flow measuring element located in the sub-passage at a position at least further downstream from the point.
摘要翻译：本发明提供了一种空气流量测量装置，其包括具有子通道的壳体，该子通道具有形成在壳体中的气流的入口和出口，该子通道还具有具有最大下游点的预定曲率和流量测量元件位于至少在该点下游的位置处的子通道中。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式