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公开(公告)号：US20050044937A1
公开(公告)日：2005-03-03
申请号：US10922999
申请日：2004-08-23
申请人： Mitsuyuki Kobayashi , Hitoshi Amano , Seiji Kunihiro , Masafumi Tsuruta , Yoshichika Yamada , Masao Kano
发明人： Mitsuyuki Kobayashi , Hitoshi Amano , Seiji Kunihiro , Masafumi Tsuruta , Yoshichika Yamada , Masao Kano
CPC分类号： F02M25/0854 , F02M25/0809 , F02M25/0818
摘要： A fuel vapor leakage check module has a canister port which is provided so that the port can be opened to the air and is connected to the interior of a fuel tank through a canister for absorbing fuel vapor produced in the fuel tank. A pump depressurizes or pressurizes the interior of the fuel tank through the canister port. A connecting passage which is coaxially provided in the canister port, is connected to the canister port. The connecting passage is depressurized or pressurized by the pump. A standard orifice is coaxially provided in the connecting passage and reduces the passage area of the connecting passage.
摘要翻译： 燃料蒸汽泄漏检查模块具有罐口，其设置成使得端口可以对空气开放，并且通过罐连接到燃料箱的内部，用于吸收在燃料箱中产生的燃料蒸气。 泵通过罐口减压或加压燃料箱的内部。 与罐口同轴设置的连接通道与罐口连接。 连接通道由泵减压或加压。 在连接通道中同轴地设有标准孔，并减小了连接通道的通道面积。
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2.发明授权Vane pump having volume variable pump chambers communicatable with inlet and outlet 有权叶片泵具有可与入口和出口通信的体积可变泵室公开(公告)号：US07014439B2
公开(公告)日：2006-03-21
申请号：US10628480
申请日：2003-07-29
CPC分类号： F04C29/12 , F04C29/0092 , F04C2250/102
摘要： In a vane pump, a rotor chamber is defined within a housing that includes a ring and first and second plates. An inlet is communicated with the rotor chamber through an intake groove, and an outlet is communicated with the rotor chamber through a discharge groove. A rotor, which has a plurality of radially reciprocable vanes, is rotatably received in the rotor chamber, and a plurality of volume variable pump chambers is defined by the vanes between an inner peripheral wall surface of the housing and an outer peripheral surface of the rotor. The discharge groove includes a first end and a second end, and the second end is positioned away from the first end in the rotational direction of the rotor. The outlet extends directly from the second end of the discharge groove.
摘要翻译： 在叶片泵中，转子室限定在壳体内，该壳体包括环和第一和第二板。 入口通过进气槽与转子室连通，出口通过排放槽与转子室连通。 具有多个径向往复运动的叶片的转子可旋转地容纳在转子室中，多个容积可变的泵室由壳体的内周壁面与转子的外周面之间的叶片形成 。 排出槽包括第一端和第二端，并且第二端沿转子的旋转方向定位成远离第一端。 出口直接从排放槽的第二端延伸。
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公开(公告)号：US06993957B2
公开(公告)日：2006-02-07
申请号：US10758226
申请日：2004-01-16
IPC分类号： G01M3/04
CPC分类号： F02M25/0818 , F02D2200/503 , F02M25/0827
摘要： An evaporated fuel purge system has a fuel tank, an adsorption filter and a purge control valve. The evaporated fuel purge system is pressurized and depressurized through a venting flow path by a pump, so that the state of leakage therefrom is thereby inspected. For this inspection, a motor unit for driving the pump which applies or reduces pressure, an in-vehicle battery and a voltage control circuit which controls a battery voltage to a predetermined voltage and supplies the motor unit with a current are provided. A switchover valve is integrated with the pump, the motor and the like into a single module.
摘要翻译： 蒸发的燃料净化系统具有燃料箱，吸附过滤器和净化控制阀。 蒸发的燃料吹扫系统通过泵的通气流路被加压和减压，从而检查其泄漏的状态。 为了进行这种检查，提供了用于驱动施加或降低压力的泵的马达单元，车载电池和将电池电压控制到预定电压并向马达单元供电的电压控制电路。 切换阀与泵，电动机等集成到单个模块中。
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公开(公告)号：US20050044932A1
公开(公告)日：2005-03-03
申请号：US10923786
申请日：2004-08-24
CPC分类号： F02M25/0809
摘要： A fuel vapor leak check module has a pump discharging an air through an outlet. When the fuel vapor check module is mounted on a vehicle, an outlet of the pump is opened downwardly in the gravity direction. A housing has an opening provided above the outlet. The foreign particles discharged from the outlet of the pump are deposited on the inner surface of the housing. The foreign particles hardly reach to the opening even if the discharged air pushes up the foreign particles. Thus, the foreign particles are separated from the discharged air by the gravity to avoid the scatter thereof.
摘要翻译： 燃料蒸气泄漏检查模块具有通过出口排出空气的泵。 当燃料蒸汽检查模块安装在车辆上时，泵的出口在重力方向向下打开。 外壳在出口的上方设有开口。 从泵的出口排出的外来颗粒沉积在壳体的内表面上。 即使排出的空气推出异物，异物也难以达到开口。 因此，外来颗粒被重力与排出的空气分离以避免其散射。
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公开(公告)号：US07350399B2
公开(公告)日：2008-04-01
申请号：US11183742
申请日：2005-07-19
IPC分类号： G01M3/04
CPC分类号： F02M25/0818 , F02M25/089 , F02M2025/0845
摘要： A leakage detecting device is connected to an evaporating fuel processing apparatus to detect leakage of evaporating fuel in a ventilation apparatus that includes an electric pump, a fuel tank, and a filter. The electric pump includes a pump portion and a motor portion. The pump portion is capable of generating at least one of pressurizing force and de-pressurizing force. The motor portion drives the pump portion. The filter absorbs fuel evaporating in the fuel tank. The leakage detecting device generates pressure difference between the inside of the ventilation apparatus and the outside of the ventilation apparatus in accordance with the pressurizing force and the de-pressurizing force generated using the electric pump to detect a leakage condition of the ventilation apparatus. The leakage detecting device includes a rotation speed controlling means that controls rotation speed of the motor portion at a predetermined rotation speed.
摘要翻译： 泄漏检测装置连接到蒸发燃料处理装置，以检测包括电动泵，燃料箱和过滤器的通风装置中的蒸发燃料的泄漏。 电动泵包括泵部和电动机部。 泵部能够产生加压力和减压力中的至少一个。 马达部分驱动泵部分。 过滤器吸收在燃料箱中蒸发的燃料。 泄漏检测装置根据使用电动泵产生的加压力和减压力，在通气装置的内部和通气装置的外部之间产生压力差，以检测通气装置的泄漏状况。 泄漏检测装置包括以预定旋转速度控制马达部分的转速的转速控制装置。
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公开(公告)号：US07114372B2
公开(公告)日：2006-10-03
申请号：US10923786
申请日：2004-08-24
IPC分类号： G01M3/04
CPC分类号： F02M25/0809
摘要： A fuel vapor leak check module has a pump discharging an air through an outlet. When the fuel vapor check module is mounted on a vehicle, an outlet of the pump is opened downwardly in the gravity direction. A housing has an opening provided above the outlet. The foreign particles discharged from the outlet of the pump are deposited on the inner surface of the housing. The foreign particles hardly reach to the opening even if the discharged air pushes up the foreign particles. Thus, the foreign particles are separated from the discharged air by the gravity to avoid the scatter thereof.
摘要翻译： 燃料蒸气泄漏检查模块具有通过出口排出空气的泵。 当燃料蒸汽检查模块安装在车辆上时，泵的出口在重力方向向下打开。 外壳在出口的上方设有开口。 从泵的出口排出的外来颗粒沉积在壳体的内表面上。 即使排出的空气推出异物，异物也难以达到开口。 因此，外来颗粒被重力与排出的空气分离以避免其散射。
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公开(公告)号：US07004013B2
公开(公告)日：2006-02-28
申请号：US10459440
申请日：2003-06-12
IPC分类号： G01M3/04
CPC分类号： F02M25/0809
摘要： An evaporative emission leak detection system provides for detecting a leakage of a fuel vapor evaporating in a fuel tank by using a pressure difference between an inside and outside of the fuel tank. The system includes a pump for providing the pressure difference between the inside and outside of the fuel tank, a brushless motor for operating the pump, a first passage connecting to the fuel tank, a second passage connecting to the outside of the fuel tank, and a switching device for switching connections between the pump and at least one of the first passage and the second passage. The first passage has an adsorbent for adsorbing the fuel vapor. This system ensures a long life time and high accuracy of the leak detection.
摘要翻译： 蒸发排放物泄漏检测系统通过使用燃料箱的内部和外部之间的压力差来检测在燃料箱中蒸发的燃料蒸气的泄漏。 该系统包括用于提供燃料箱内部和外部之间的压力差的泵，用于操作泵的无刷电动机，连接到燃料箱的第一通道，连接到燃料箱外部的第二通道，以及 用于切换泵与第一通道和第二通道中的至少一个之间的连接的开关装置。 第一通道具有用于吸附燃料蒸气的吸附剂。 该系统确保了长时间的使用和高精度的泄漏检测。
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公开(公告)号：US20060016253A1
公开(公告)日：2006-01-26
申请号：US11183742
申请日：2005-07-19
IPC分类号： G01M19/00
CPC分类号： F02M25/0818 , F02M25/089 , F02M2025/0845
摘要： A leakage detecting device is connected to an evaporating fuel processing apparatus to detect leakage of evaporating fuel in a ventilation apparatus that includes an electric pump, a fuel tank, and a filter. The electric pump includes a pump portion and a motor portion. The pump portion is capable of generating at least one of pressurizing force and de-pressurizing force. The motor portion drives the pump portion. The filter absorbs fuel evaporating in the fuel tank. The leakage detecting device generates pressure difference between the inside of the ventilation apparatus and the outside of the ventilation apparatus in accordance with the pressurizing force and the de-pressurizing force generated using the electric pump to detect a leakage condition of the ventilation apparatus. The leakage detecting device includes a rotation speed controlling means that controls rotation speed of the motor portion at a predetermined rotation speed.
摘要翻译： 泄漏检测装置连接到蒸发燃料处理装置，以检测包括电动泵，燃料箱和过滤器的通风装置中的蒸发燃料的泄漏。 电动泵包括泵部和电动机部。 泵部能够产生加压力和减压力中的至少一个。 马达部分驱动泵部分。 过滤器吸收在燃料箱中蒸发的燃料。 泄漏检测装置根据使用电动泵产生的加压力和减压力，在通气装置的内部和通气装置的外部之间产生压力差，以检测通气装置的泄漏状况。 泄漏检测装置包括以预定旋转速度控制马达部分的转速的转速控制装置。
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公开(公告)号：US07107827B2
公开(公告)日：2006-09-19
申请号：US10911555
申请日：2004-08-05
IPC分类号： G01M15/00
CPC分类号： F02M25/089 , F02M25/0818 , F02M25/0836 , F02M2025/0845
摘要： A fuel vapor leak check module has a pressure sensor and a pump driven by a brushless motor. The pressure sensor is disposed at a place opposite to the inlet. A sensor room in which the pressure sensor is disposed communicates with the inlet of the pump through a pressure introducing passage and a pump-passage. Even if a pressure fluctuation arises at an inlet of the pump, a pressure fluctuation of the pressure in the fuel tank is restricted. Furthermore, the control circuit for the brushless motor is cooled by air flowing through a discharge passage. The sensor room is restricted from the discharge passage so that the discharged air hardly flows into the pressure room to enhance the accuracy of fuel vapor detection.
摘要翻译： 燃料蒸汽泄漏检查模块具有压力传感器和由无刷电动机驱动的泵。 压力传感器设置在与入口相对的位置。 其中设置有压力传感器的传感器室通过压力引入通道和泵通道与泵的入口连通。 即使在泵的入口产生压力波动，燃料箱内的压力的压力波动受到限制。 此外，用于无刷电动机的控制电路由流过排放通道的空气冷却。 传感器室被排出通道限制，使得排出的空气几乎不流入压力室，以提高燃料蒸汽检测的精度。
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公开(公告)号：US20050044936A1
公开(公告)日：2005-03-03
申请号：US10911555
申请日：2004-08-05
CPC分类号： F02M25/089 , F02M25/0818 , F02M25/0836 , F02M2025/0845
摘要： A fuel vapor leak check module has a pressure sensor and a pump driven by a brushless motor. The pressure sensor is disposed at a place opposite to the inlet. A sensor room in which the pressure sensor is disposed communicates with the inlet of the pump through a pressure introducing passage and a pump-passage. Even if a pressure fluctuation arises at an inlet of the pump, a pressure fluctuation of the pressure in the fuel tank is restricted. Furthermore, the control circuit for the brushless motor is cooled by air flowing through a discharge passage. The sensor room is restricted from the discharge passage so that the discharged air hardly flows into the pressure room to enhance the accuracy of fuel vapor detection.
摘要翻译： 燃料蒸汽泄漏检查模块具有压力传感器和由无刷电动机驱动的泵。 压力传感器设置在与入口相对的位置。 其中设置有压力传感器的传感器室通过压力引入通道和泵通道与泵的入口连通。 即使在泵的入口产生压力波动，燃料箱内的压力的压力波动受到限制。 此外，用于无刷电动机的控制电路由流过排放通道的空气冷却。 传感器室被排出通道限制，使得排出的空气几乎不流入压力室，以提高燃料蒸汽检测的精度。
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