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    • 1. 发明申请
    • VEHICLE HVAC CONTROL
    • 车用暖通空调控制
    • US20100011789A1
    • 2010-01-21
    • US12175513
    • 2008-07-18
    • Michael H. CarlsonLawrence P. ZiehrTodd M. Tumas
    • Michael H. CarlsonLawrence P. ZiehrTodd M. Tumas
    • B60H1/00F25B27/00
    • F02N11/084B60H1/004B60H1/00778B60L2240/445B60W10/08B60W30/192B60W2510/0676F02N2200/0806Y02T10/48
    • A method of controlling a HVAC system for a hybrid vehicle having a refrigerant compressor driven by an engine is disclosed. The method may comprise: determining a requested air conditioning operating point for a passenger compartment; estimating a time to reach the requested operating point; based on the previous steps, estimating a maximum allowed compressor off time; determining if the allowed compressor off time is greater than a minimum engine off time; if the allowed compressor off time is greater than the engine off time, determining if the vehicle is entering an allowable engine off mode; if so, commencing engine shut-off mode; if engine shut-off is anticipated, prior to commencing the shut-off mode, adjusting the HVAC system to maximize cooling of the passenger compartment with minimum energy usage; and if the engine shut-off is commenced, monitoring the HVAC system to determine when engine restart is needed to maintain comfort.
    • 公开了一种控制具有由发动机驱动的制冷剂压缩机的混合动力车辆的HVAC系统的方法。 该方法可以包括:确定乘客舱的所请求的空调操作点; 估计达到要求的工作点的时间; 基于以前的步骤,估计最大允许的压缩机关闭时间; 确定允许的压缩机关闭时间是否大于最小发动机关闭时间; 如果允许的压缩机关闭时间大于发动机关闭时间,则确定车辆是否进入允许的发动机关闭模式; 如果是这样,开始发动机关闭模式; 如果预计发动机关闭,则在开始关闭模式之前,调整HVAC系统以最小化能量使用率来最大化客舱的冷却; 并且如果发动机关闭开始,则监控HVAC系统以确定何时需要发动机重起以保持舒适度。
    • 2. 发明授权
    • Vehicle HVAC control
    • 车辆HVAC控制
    • US07908877B2
    • 2011-03-22
    • US12175513
    • 2008-07-18
    • Michael H. CarlsonLawrence P. ZiehrTodd M. Tumas
    • Michael H. CarlsonLawrence P. ZiehrTodd M. Tumas
    • F25B49/00B60W20/00
    • F02N11/084B60H1/004B60H1/00778B60L2240/445B60W10/08B60W30/192B60W2510/0676F02N2200/0806Y02T10/48
    • A method of controlling a HVAC system for a hybrid vehicle having a refrigerant compressor driven by an engine is disclosed. The method may comprise: determining a requested air conditioning operating point for a passenger compartment; estimating a time to reach the requested operating point; based on the previous steps, estimating a maximum allowed compressor off time; determining if the allowed compressor off time is greater than a minimum engine off time; if the allowed compressor off time is greater than the engine off time, determining if the vehicle is entering an allowable engine off mode; if so, commencing engine shut-off mode; if engine shut-off is anticipated, prior to commencing the shut-off mode, adjusting the HVAC system to maximize cooling of the passenger compartment with minimum energy usage; and if the engine shut-off is commenced, monitoring the HVAC system to determine when engine restart is needed to maintain comfort.
    • 公开了一种控制具有由发动机驱动的制冷剂压缩机的混合动力车辆的HVAC系统的方法。 该方法可以包括:确定乘客舱的所请求的空调操作点; 估计达到要求的工作点的时间; 基于以前的步骤,估计最大允许的压缩机关闭时间; 确定允许的压缩机关闭时间是否大于最小发动机关闭时间; 如果允许的压缩机关闭时间大于发动机关闭时间,则确定车辆是否进入允许的发动机关闭模式; 如果是这样,开始发动机关闭模式; 如果预计发动机关闭,则在开始关闭模式之前,调整HVAC系统以最小化能量使用率来最大化客舱的冷却; 并且如果发动机关闭开始,则监控HVAC系统以确定何时需要发动机重起以保持舒适度。
    • 7. 发明授权
    • Receiver/dryer-accumulator-internal heat exchanger for vehicle air conditioning system
    • 车载空调系统的接收器/干燥器 - 蓄热式内部热交换器
    • US07971441B2
    • 2011-07-05
    • US11924675
    • 2007-10-26
    • Munther M. SalimLawrence P. Ziehr
    • Munther M. SalimLawrence P. Ziehr
    • F25B1/00
    • F25B43/006F25B40/02F25B2339/0441F25B2400/051F25B2500/18
    • An integrated receiver/dryer-accumulator-internal heat exchanger for use in a vehicle HVAC system and a method of operation. The integrated receiver/dryer-accumulator-internal heat exchanger may include an accumulator portion having an accumulator inlet configured to be in fluid communication with an evaporator, and an accumulator outlet configured to be in fluid communication with a compressor; and a receiver/dryer portion mounted within the accumulator portion and having receiver/dryer inlet configured to be in fluid communication with a first portion of a condenser and a receiver/dryer outlet configured to be in fluid communication with a sub-cooler portion of the condenser. The integrated receiver/dryer-accumulator-internal heat exchanger allows for exchanging heat between the refrigerant in the accumulator portion and refrigerant in the receiver/dryer portion.
    • 一种用于车辆HVAC系统的集成接收器/干燥器 - 蓄电池内部热交换器和操作方法。 集成接收器/干燥器 - 蓄电池内部热交换器可以包括具有构造成与蒸发器流体连通的蓄能器入口的蓄能器部分和构造成与压缩机流体连通的蓄能器出口; 以及接收器/干燥器部分,其安装在所述蓄能器部分内并且具有构造成与冷凝器的第一部分流体连通的接收器/干燥器入口和接收器/干燥器出口,所述收集器/干燥器入口构造成与所述冷凝器的副冷却器部分流体连通 冷凝器 集成接收器/干燥器 - 蓄电池内部热交换器允许在蓄电池部分中的制冷剂与接收器/干燥器部分中的制冷剂之间进行热交换。
    • 8. 发明申请
    • Methods of Optimizing Vehicular Air Conditioning Control Systems
    • 车辆空调控制系统优化方法
    • US20080034767A1
    • 2008-02-14
    • US11464216
    • 2006-08-14
    • Lawrence P. ZiehrPeter A. DonisGregory A. MajorMark D. Nemesh
    • Lawrence P. ZiehrPeter A. DonisGregory A. MajorMark D. Nemesh
    • F25D17/00F25B49/00
    • B60H1/00385B60H1/00735B60H1/00764B60H1/00828B60H1/00849B60H1/00878B60H1/3208B60H2001/3266B60H2001/327B60H2001/3282
    • Air conditioning system controls are optimized for an air conditioning system having a compressor in IC engine vehicles and in hybrid or fuel cell vehicles having electric drive motors by first determining the operating temperature of at least one of the following vehicle components: engine coolant and transmission oil for all types of vehicles, and for hybrid or fuel cell vehicles also determining the operating temperature of inverter coolant and the electric drive motors. At least one operating temperature is then compared to lower and upper temperature limits. If the operating temperature is outside of the temperature limits air conditioner heat load is reduced by at least one of the following steps: increasing cabin air recirculation, reducing cabin blower speed and reducing air conditioner compressor capacity. Subsequent to reducing air conditioner heat load, selected operating temperature or temperatures are monitored to determine if the operating temperature exceeds the upper temperature limit or limits. If the operating temperature or temperatures exceed the upper limit or limits the compressor is shut off.
    • 对于具有IC发动机车辆中的压缩机的空调系统和具有电动驱动电动机的混合动力或燃料电池车辆的空调系统控制进行了优化,首先确定以下车辆部件中的至少一个的工作温度:发动机冷却剂和变速器油 对于所有类型的车辆,以及用于混合动力或燃料电池车辆,还可以确定变频器冷却剂和电动驱动电动机的工作温度。 然后将至少一个工作温度与下限和上限温度进行比较。 如果工作温度超出温度限制,空调器的热负荷通过以下至少一个步骤减少:增加机舱空气再循环,减少机舱鼓风机转速和降低空调压缩机容量。 在降低空调热负荷后,监控所选择的工作温度或温度,以确定工作温度是否超过上限温度或极限。 如果工作温度或温度超过上限或限制,则关闭压缩机。
    • 9. 发明授权
    • Refrigerant system oil accumulation removal
    • 制冷剂系统除油
    • US08387406B2
    • 2013-03-05
    • US12209797
    • 2008-09-12
    • Lawrence P. ZiehrGregory A. Major
    • Lawrence P. ZiehrGregory A. Major
    • F25B47/00
    • F25B31/004B60H1/323F25B5/02F25B2500/16
    • A method and system for removing oil accumulation from refrigerant lines of a vehicle HVAC system having multiple refrigerant loops each having an evaporator is disclosed. The method for operating the system may comprise the steps of: monitoring a flow rate through at least one of the refrigerant loops; determining if the flow rate through any of the at least one refrigerant loops being monitored is below a predetermined flow rate for greater than a predetermined time limit; monitoring for an indication of imminent vehicle operation; and if the indication of imminent vehicle operation is detected and the flow rate through any of the at least one refrigerant loops being monitored is below the predetermined flow rate for greater than the predetermined time limit, opening a valve to allow for maximum flow through the at least one refrigerant loop.
    • 公开了一种用于从具有多个具有蒸发器的制冷剂回路的车辆HVAC系统的制冷剂管路中除去积聚的方法和系统。 用于操作系统的方法可以包括以下步骤:监测通过至少一个制冷剂回路的流量; 确定通过所监测的所述至少一个制冷剂回路中的任何一个的流量是否低于预定流量大于预定时限; 监测即将来临的车辆操作的指示; 并且如果检测到即将到来的车辆操作的指示,并且通过所监视的至少一个制冷剂回路中的任何一个的流量低于预定流量大于预定时间限制,则打开阀以允许最大流量通过 至少一个制冷剂回路。