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    • 181. 发明授权
    • Ventilation device
    • 通风装置
    • US6431127B2
    • 2002-08-13
    • US81342701
    • 2001-03-21
    • DEERE & CO
    • WEBER KONRAD
    • F01P5/04F01P7/04
    • F01P7/04F01P5/04F01P7/042F01P7/046F01P2023/00F01P2025/00F01P2025/08F01P2025/13F01P2025/40F01P2025/60F01P2025/62F01P2025/64
    • A ventilation device of an agricultural vehicle such as a combine, forage harvester or tractor having an engine (10) and a cooling device (12) for cooling the engine (10) and/or additional parts to be cooled that are in a heat conducting relationship. The ventilation device comprises a fan (20) a fan drive (18) and a control system (26) connected to the fan drive (18) to regulate the feeding rate of the fan (20). The control system (26) is arranged to control the fan drive (18) in the most energy-efficient way while making allowance for the amount of ambient air required by the cooling device (12) and the drive power requirements of the fan (20) using a flat logic (fuzzy control).
    • 一种农用车辆的通风装置,例如具有用于冷却发动机(10)的发动机(10)和冷却装置(12)的联合收割机,饲料收割机或拖拉机和/或处于导热的待冷却的附加部件 关系。 通风装置包括风扇(20),风扇驱动器(18)和连接到风扇驱动器(18)的控制系统(26),以调节风扇(20)的供给速率。 控制系统(26)被布置成以最节能的方式控制风扇驱动器(18),同时允许冷却装置(12)所需的环境空气量和风扇(20)的驱动功率要求 )使用平面逻辑(模糊控制)。
    • 182. 发明授权
    • Locomotive engine temperature control
    • 机车发动机温度控制
    • US06394044B1
    • 2002-05-28
    • US09521868
    • 2000-03-08
    • Prakash BedapudiJeff Jackson Sims
    • Prakash BedapudiJeff Jackson Sims
    • F01P1108
    • F02D41/22F01P7/04F01P7/167F01P11/16F01P2023/08F01P2025/30F01P2025/40F01P2060/04Y02T10/40
    • A method of cooling a locomotive engine wherein the temperature of the coolant flowing into the engine is controlled in response to the temperature of the lube oil flowing out of the engine so that the difference between these two temperatures is limited to a predetermined value in order to limit the differential expansion between parts within the engine. The predetermined value may be a function of the lube oil temperature, and it may have an absolute maximum value. In the event that the temperature difference exceeds a predetermined value, the power output of the engine may be reduced as a function of the length of time that the temperature difference limit has been exceeded. The rate of change in coolant temperature may be limited during periods of decreasing lube oil temperature in order to limit the duty cycle demand on coolant system components.
    • 一种冷却机车发动机的方法,其中响应于流出发动机的润滑油的温度来控制流入发动机的冷却剂的温度,使得这两个温度之间的差被限制在预定值,以便 限制发动机内部件之间的差速膨胀。 预定值可以是润滑油温度的函数,并且其可以具有绝对最大值。 在温度差超过预定值的情况下,可以根据超过温差极限的时间长度来减小发动机的功率输出。 在润滑油温度降低期间,冷却剂温度的变化率可能受到限制,以限制对冷却剂系统部件的占空比要求。
    • 186. 发明授权
    • Internal combustion engine total cooling control system
    • 内燃机总冷却控制系统
    • US06178928B2
    • 2001-01-30
    • US09328824
    • 1999-06-09
    • Anthony F.J. Corriveau
    • Anthony F.J. Corriveau
    • F01P702
    • F01P7/164F01P7/048F01P7/167F01P2007/146F01P2023/08F01P2025/30F01P2025/32F01P2025/40F01P2025/52F01P2025/60F01P2031/30F01P2060/08
    • An engine cooling system includes an engine 14; a radiator assembly including a radiator 16 and a fan 19 driven by an electric fan motor 21; a coolant circulation circuit 12 interconnecting the engine and the radiator for circulating coolant; a by-pass circuit 24 connected to the coolant circulation circuit so that coolant may by-pass the radiator; an electrically powered variable speed coolant pump 28 disposed in the coolant circulation circuit to pump coolant through the coolant circulation circuit; control valve structure 26 constructed and arranged to control mass flow of coolant through the radiator; an engine temperature sensor 54 to detect a temperature of engine coolant; a radiator temperature sensor 58 to detect a temperature of air exiting the radiator or a temperature of coolant at an outlet of the radiator, and a controller 36 operatively connected with the electric fan motor, the coolant pump, the control valve structure, the engine temperature sensor, and the radiator temperature sensor. The controller selectively controls (1) the control valve structure, (2) operation of the coolant pump based on signals received from the engine temperature sensor and (3) operation of the electric fan motor based on a signal received from the radiator temperature sensor, thereby controlling an operating temperature of the engine to approach a target operating temperature. Methods of cooling an engine are also provided.
    • 发动机冷却系统包括发动机14; 散热器组件,包括由电风扇电动机21驱动的散热器16和风扇19; 将发动机和散热器互连的冷却剂循环回路12,用于循环冷却剂; 连接到冷却剂循环回路的旁路电路24,使得冷却剂可以绕过散热器; 设置在冷却剂循环回路中的电动变速冷却剂泵28,用于将冷却剂泵送通过冷却剂循环回路; 控制阀结构26构造和布置成控制冷却剂通过散热器的质量流量; 用于检测发动机冷却剂的温度的发动机温度传感器54; 散热器温度传感器58,用于检测离开散热器的空气的温度或散热器出口处的冷却剂的温度;以及控制器36,其与电动风扇电动机,冷却剂泵,控制阀结构,发动机温度 传感器和散热器温度传感器。 控制器基于从发动机温度传感器接收的信号选择性地控制(1)控制阀结构,(2)冷却剂泵的运行,以及(3)基于从散热器温度传感器接收的信号来操作电动风扇电动机, 从而控制发动机的工作温度接近目标工作温度。 还提供冷却发动机的方法。
    • 187. 发明授权
    • Continuously variable fan drive clutch
    • 连续可变的风扇驱动离合器
    • US5947247A
    • 1999-09-07
    • US837537
    • 1997-04-21
    • Gordon F. Cummings, III
    • Gordon F. Cummings, III
    • F01P7/04F01P7/08F16D25/08F16D43/284F16D65/02F16D67/04F16D25/0638
    • F01P7/046F01P7/04F01P7/088F16D25/082F16D43/284F16D67/04F01P2025/04F01P2025/08F01P2025/13F01P2025/40F16D2065/024
    • A clutch mechanism is provided for a cooling fan of a size capable of fitting into the limited envelope available in an over-the-road diesel tractor. A compact housing has a belt drive input and an output connected to the fan hub. The housing includes a pressure chamber in fluid communication with a pressurized air supply and a controllable valve in the air supply line for regulating the pressure in the pressure chamber when the clutch must be operated. The air pressure actuates an internal piston to translate the clutch in a continuously variable manner between engaged and disengaged conditions.A small envelope clutch, having an outer diameter less than about 9.8 inches in diameter within the fan hub and less than about 6 inches under the belts and 7.3 inches overall so the housing may be positioned between the radiator and the engine, is capable of generating 150 foot-pounds of torque, running a 55 horsepower fan at 2100 rpm, and dissipating 10 horsepower of heat while in the slip mode. The clutch also has at least 130 inches in clutch area.Fan speed is controlled utilizing a closed loop control system. The control system is capable of monitoring engine conditions and controlling fluid pressure actuating the clutch assembly to control the fan speed in response to the engine conditions.
    • 提供了一种离合器机构,用于能够安装在越野柴油拖拉机中可用的有限外壳中的尺寸的冷却风扇。 紧凑的外壳具有皮带驱动输入和与风扇毂相连的输出。 壳体包括与加压空气源流体连通的压力室和空气供应管线中的可控阀,用于在离合器必须操作时调节压力室中的压力。 空气压力致动内部活塞,以在接合和脱离状态之间以可变方式平移离合器。 外壳直径小于风扇轮毂直径约9.8英寸且小于皮带下方约6英寸,整体尺寸为7.3英寸的小信封离合器,因此外壳可位于散热器和发动机之间,能够产生 150英尺磅的扭矩,以2100rpm运行55马力的风扇,并且在滑动模式下消耗10马力的热量。 离合器离合器面积至少为130英寸。 利用闭环控制系统控制风扇转速。 控制系统能够监测发动机状况并控制致动离合器组件的流体压力以响应于发动机状况来控制风扇速度。
    • 188. 发明授权
    • Free-flow buoyancy check valve for controlling flow of temperature
control fluid from an overflow bottle
    • 自由流量浮力止回阀,用于控制溢流瓶的温度控制流体的流量
    • US5699759A
    • 1997-12-23
    • US576713
    • 1995-12-21
    • Thomas J. Hollis
    • Thomas J. Hollis
    • F01P3/20F01P7/14F01P7/16
    • F01P3/20F01P2007/146F01P2023/08F01P2025/08F01P2025/13F01P2025/40F01P2037/02F01P2060/04F01P2060/08F01P2060/10F01P2060/16F01P2070/08
    • A valve for controlling flow of temperature control fluid between a radiator fluid overflow container and a water pump. The valve includes a housing which is in communication with the fluid overflow container and adapted to receive a flow of temperature control fluid therefrom. The housing has a chamber formed in it for channeling a flow of temperature control fluid. The housing is also in communication with the water pump and adapted to channel a flow of temperature control fluid between the chamber and the water pump. In one embodiment, the valve includes a cap attached to the housing and having a channel formed in it which conducts fluid between the fluid overflow container and the valve chamber. A ball is slidably disposed within the valve chamber and is adapted to seal the channel in the cap to prevent fluid flow when the valve housing receives a flow of pressurized fluid from the water pump. The ball is also adapted to seal the housing to prevent flow to the water pump when the fluid overflow container has a low level of fluid contained therein. A spring is located between the ball and the cap and biases the ball away from sealing the channel.
    • 一种用于控制散热器流体溢流容器和水泵之间的温度控制流体流动的阀。 阀包括与流体溢流容器连通并适于从其接收温度控制流体流的壳体。 壳体具有形成在其中的室,用于引导温度控制流体流。 壳体还与水泵连通并且适于在腔室和水泵之间引导温度控制流体流。 在一个实施例中,阀包括附接到壳体并具有形成在其中的通道的帽,其在流体溢流容器和阀室之间传导流体。 球可滑动地设置在阀室内,并且适于在阀壳体接收来自水泵的加压流体流时密封盖中的通道以防止流体流动。 当流体溢流容器中含有低水平的流体时,球也适于密封壳体以防止流向水泵。 弹簧位于球和帽之间,并将球偏离密封通道。
    • 190. 发明授权
    • Apparatus for controlling an electrically operated cooling fan used for
an engine cooling device
    • 用于控制用于发动机冷却装置的电动冷却风扇的装置
    • US5609125A
    • 1997-03-11
    • US655113
    • 1996-05-29
    • Masahito Ninomiya
    • Masahito Ninomiya
    • F01P5/04F01P7/04F01P7/08F01P7/02
    • F01P7/08F01P2023/00F01P2023/08F01P2025/13F01P2025/32F01P2025/40F01P2025/60F01P2025/62F01P2025/64
    • An apparatus for controlling an electrically operated cooling fan used for a cooling device to cool an engine block by circulating cooling water between the block and a radiator. The apparatus includes an electronic control unit (ECU), which controls the fan, and a cooling water temperature sensor, which detects the cooling water temperature. The ECU energizes a motor to rotate the fan when the detected value of the cooling water temperature becomes equal to or higher than a predetermined value. The ECU starts measuring elapsed time when the fan begins to rotate. After the measured time reaches a predetermined second reference value, the ECU computes the altering rate of the cooling water temperature. If it is determined that the altering rate is lower than a predetermined third reference value, the ECU de-energizes the fan motor. Accordingly, the rotation of the fan is stopped when the altering rate of the cooling water temperature, measured after the fan starts rotation, is rather low. Therefore, the fan is only rotated when necessary.
    • 一种用于控制用于冷却装置的电动冷却风扇的装置,用于通过在块和散热器之间循环冷却水来冷却发动机缸体。 该装置包括控制风扇的电子控制单元(ECU)和检测冷却水温度的冷却水温度传感器。 当冷却水温度的检测值变得等于或高于预定值时,ECU对电动机通电以使风扇旋转。 ECU开始测量风扇开始转动的时间。 在测量时间达到预定的第二参考值之后,ECU计算冷却水温度的变化率。 如果确定改变率低于预定的第三参考值,则ECU使风扇电动机断电。 因此,当风扇开始旋转后测量的冷却水温度的变化率相当低时,风扇的旋转停止。 因此,风扇仅在必要时旋转。