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    • 91. 发明授权
    • Vehicle air-conditioning system
    • 车用空调系统
    • US06923012B2
    • 2005-08-02
    • US10761113
    • 2004-01-20
    • Shun KurataYoshiaki Takano
    • Shun KurataYoshiaki Takano
    • B60H1/00B60H1/32F25B1/00
    • B60H1/00914B60H1/00735B60H1/00828B60H1/00849B60H2001/00942
    • A vehicle air-conditioning system of a dual air-conditioner type exhibiting a hot gas heater function, which is designed to efficiently recover not only dormant refrigerant at the heater side, but also dormant refrigerant at the rear seat evaporator, which system sets the refrigeration cycle to a cooling mode and engages in a refrigerant recovery operation when starting up the heating mode by a hot gas heater cycle, then switches the refrigeration cycle to the heating mode, sets the front seat air-conditioning unit to the outside air mode at the time of the heating mode to blow outside air to the front seat evaporator by the front seat blower, then, when judging that the inside air temperature is high due to the refrigerant temperature of the rear seat evaporator at the time of the heating mode, operates the rear side blower to blow inside air to the rear seat evaporator.
    • 一种具有热气加热器功能的双重空调类型的车辆空调系统,其被设计成不仅有效地回收加热器侧的休眠制冷剂,而且还设置用于后座椅蒸发器的休眠制冷剂,该系统设定制冷 循环到冷却模式,并且通过热气体加热器循环启动加热模式时进行制冷剂回收操作,然后将制冷循环切换到加热模式,将前排座空调单元设置为外部空气模式 通过前排座鼓风机将外部空气吹送到前座椅蒸发器的加热模式的时间,然后,当在加热模式时判断由于后排座式蒸发器的制冷剂温度导致的内部空气温度高时, 后侧鼓风机将内部空气吹送到后座蒸发器。
    • 93. 发明授权
    • Refrigerant cycle system with hot gas heating function
    • 制冷循环系统具有热气加热功能
    • US06725676B2
    • 2004-04-27
    • US10457201
    • 2003-06-09
    • Yoshiaki TakanoShun Kurata
    • Yoshiaki TakanoShun Kurata
    • F25B100
    • B60H1/3213B60H1/00978B60H1/3225B60H2001/325F25B27/00F25B49/022F25B2327/00F25B2400/0403F25B2400/0411F25B2500/24
    • In a refrigerant cycle system with a hot gas heater cycle, a pressure difference (&Dgr;Pd) between a high-pressure side refrigerant pressure of the hot gas heater cycle at a start of a heating mode and a high-pressure side refrigerant pressure of the hot gas heater cycle at a predetermined time after the start of the hot-gas heating mode is calculated. When the pressure difference (&Dgr;Pd) is in a predetermined range, it can be determined that the refrigerant is in a normal state. In this case, an electromagnetic clutch is turned on, and a compressor operates. On the other hand, when the pressure difference (&Dgr;Pd) is outside the predetermined range, it can be determined that the refrigerant is in a shortage state. In this case, the electromagnetic clutch is turned off, and the operation of the compressor is stopped.
    • 在具有热气体加热器循环的制冷剂循环系统中,在加热模式开始时热气体加热器循环的高压侧制冷剂压力与热的高压侧制冷剂压力之间的压力差(DeltaPd) 计算热气体加热模式开始之后的预定时间的气体加热器循环。 当压差(DeltaPd)在预定范围内时,可以确定制冷剂处于正常状态。 在这种情况下,电磁离合器接通,压缩机运转。 另一方面,当压力差(DeltaPd)在预定范围之外时,可以确定制冷剂处于短缺状态。 在这种情况下,电磁离合器被关闭,压缩机的运转停止。
    • 94. 发明授权
    • Vehicle air-conditioning system
    • 车用空调系统
    • US06679079B2
    • 2004-01-20
    • US10242140
    • 2002-09-10
    • Keisuke NagaiYoshiaki Takano
    • Keisuke NagaiYoshiaki Takano
    • B60H132
    • B60H1/2218B60H1/00021B60H1/00735B60H1/00914B60H2001/00128B60H2001/00171
    • An air conditioning system for a vehicle has a plurality of heat enhancing means including at least a hot gas heater cycle for heating air blown into a passenger compartment by directly introducing a discharged gas refrigerant from a compressor into an interior heat exchanger. Additionally, an electric heater is provided as another passenger compartment heating enhancing means. When heat requirements are high (outside air temperature is low), both the hot gas heater cycle and the electric heater are activated, and when the heat requirements decrease, the hot gas heater cycle is deactivated first, and then the electric heater is deactivated. Therefore, the adverse effects of a vehicle compartment temperature that the driver is sensing can be avoided. Additionally, controlling vehicle window fogging associated with an operation of the hot gas heater cycle is possible.
    • 一种用于车辆的空调系统具有多个热增强装置,至少包括热气加热器循环,用于通过将排出的气体制冷剂从压缩机直接引入到内部热交换器中来加热吹入乘客室的空气。 另外,设置有电加热器作为另一乘客室加热增强装置。 当热量要求较高(室外空气温度低)时,热气加热器循环和电加热器都被激活,当热量要求降低时,首先停止热气加热器循环,然后电加热器停用。 因此,可以避免驾驶员感测到的车厢温度的不良影响。 此外,控制与热气体加热器循环的操作相关联的车窗雾化是可能的。
    • 98. 发明授权
    • Refrigerant cycle system having hot-gas bypass structure
    • 具有热气旁路结构的制冷循环系统
    • US06266965B1
    • 2001-07-31
    • US09591735
    • 2000-06-12
    • Yoshiaki TakanoSatoshi IzawaHajime Ito
    • Yoshiaki TakanoSatoshi IzawaHajime Ito
    • F25B100
    • F25B49/005B60H1/3225F25B41/04F25B2400/0403F25B2400/0411F25B2500/222
    • In a refrigerant cycle system, a refrigerant discharge side of a compressor is directly connected to a refrigerant inlet side of an evaporator through a hot-gas bypass passage so that the evaporator is used as a radiator during a heating mode due to the hot-gas bypass. A physical amount of refrigerant, such as a high-pressure side refrigerant pressure, flowing through the hot-gas bypass passage is detected. When the high-pressure side refrigerant pressure is decreased to a value corresponding to a refrigerant shortage area, a refrigerant shortage is determined and the compressor is stopped by a control unit. Thus, during the heating mode due to the hot-gas bypass, when a refrigerant leakage is caused in the refrigerant cycle system, the compressor is accurately protected.
    • 在制冷剂循环系统中,压缩机的制冷剂排出侧通过热气旁通通道直接连接到蒸发器的制冷剂入口侧,使得由于热气体在加热模式期间将蒸发器用作散热器 旁路。 检测流过热气旁路通路的物理量的制冷剂,例如高压侧制冷剂压力。 当高压侧制冷剂压力降低到与制冷剂短缺区域相对应的值时,确定制冷剂短缺,并且压缩机由控制单元停止。 因此,在由于热气旁路的加热模式期间,在制冷剂循环系统中产生制冷剂泄漏的情况下,能够精确地保护压缩机。
    • 99. 发明授权
    • Automotive air conditioner
    • 汽车空调
    • US5884497A
    • 1999-03-23
    • US95342
    • 1998-06-10
    • Hiroshi KishitaYoshiaki TakanoSatoshi Mizutani
    • Hiroshi KishitaYoshiaki TakanoSatoshi Mizutani
    • B60H1/32F04B27/18F25B1/00F25B49/02
    • B60H1/3214B60H1/3205F04B27/1804B60H2001/3245B60H2001/3255B60H2001/3261B60H2001/3266B60H2001/3272B60H2001/3275B60H2001/3277B60H2001/3282F04B2027/1827F04B2027/1854F04B2027/1859F25B49/022
    • An automotive air conditioner which is capable of suppressing periodic torque variation in an engine-driven refrigerant compressor while ensuring performance of returning oil thereto to circumvent periodic variation in a rotational speed of an engine, thereby preventing degradation in motor power performance and drivability of an automobile. A value of target blowout temperature is calculated using a set temperature, indoor air temperature, outdoor air temperature and intensity of solar radiation. A value of first target post-evaporation temperature (TEO1) is calculated according to a determined value of target blowout temperature. Then, a value of second target post-evaporation temperature (TEO2) corresponding to a limit level for ensuring oil return performance is calculated according to the outdoor or indoor air temperature. Thereafter, using a value of first target post-evaporation temperature (TEO1) or second target post-evaporation temperature (TEO2), whichever is smaller, as a target post-evaporation temperature (TEO), a discharge capacity of the refrigerant compressor is controlled so that an actual post-evaporation temperature (TE) will meet the target post-evaporation temperature (TEO).
    • 一种能够抑制发动机驱动的制冷剂压缩机中的周期性转矩变化的汽车空调,同时确保返回油的性能以绕过发动机的转速的周期性变化,从而防止电动机功率性能和汽车驾驶性能的下降 。 使用设定温度,室内空气温度,室外空气温度和太阳辐射强度来计算目标井喷温度值。 根据目标喷出温度的确定值计算第一目标蒸发后温度(TEO1)的值。 然后,根据室外或室内空气温度计算与用于确保回油性能的极限水平相对应的第二目标蒸发后温度(TEO2)的值。 此后,使用第一目标后蒸发温度(TEO1)或第二目标后蒸发温度(TEO 2)的值(以较小者为准)作为目标蒸发后温度(TEO),控制制冷剂压缩机的放电容量 使得实际的蒸发后温度(TE)将达到目标蒸发后温度(TEO)。