公开(公告)号：US5216892A

公开(公告)日：1993-06-08

申请号：US838513

申请日：1992-02-19

申请人： George W. Jarosch ,  Peter J. Malone

发明人： George W. Jarosch ,  Peter J. Malone

IPC分类号： B60H1/32 ,  F25B41/06

CPC分类号： B60H1/321 ,  F25B41/062 ,  B60H2001/325 ,  B60H2001/327 ,  F25B2341/0652 ,  Y02B30/72

摘要： An automotive air conditioning system utilizing an electrically operated refrigerant expansion valve controlled by a micro-computer. The compressor clutch cut-off is controlled by a suction pressure sensor at high thermal load. At partial flow conditions of the expansion valve, representative of moderate evaporator thermal loading, the micro-computer controls compressor clutch "ON" time from an accumulated count incremented by a predetermined amount according to suction pressure change. When the accumulated count over successive signal sampling intervals reaches a predetermined maximum the clutch is cut-out based on the count which is representative of a predetermined time interval.

公开(公告)号：US5187944A

公开(公告)日：1993-02-23

申请号：US866601

申请日：1992-04-10

申请人： George W. Jarosch

发明人： George W. Jarosch

IPC分类号： B60H1/32 ,  F25B41/06

CPC分类号： B60H1/321 ,  F25B41/062 ,  B60H2001/325 ,  B60H2001/3285 ,  F25B2341/0652 ,  F25B2600/21 ,  Y02B30/72

摘要： A method of controlling a refrigeration system employing an electronic controller for operating an electrically actuated refrigerant expansion valve supplying the evaporator or endothermic heat exchanger. The controller is of the type which modulates the valve for refrigerant flow to maintain a desired target level of superheated vapor discharging from the evaporator. When the compressor return, or evaporator discharge pressure (P.sub.c) is within a preselected range the system employs a strategy to increment or decrement the target level of superheat depending upon whether the rate of change (.DELTA.P.sub.c) of discharge pressure is positive or negative and thereby maximize pulldown by minimizing compressor cycling to achieve the superheat target.

摘要翻译： 一种控制制冷系统的方法，所述制冷系统采用电子控制器来操作供应蒸发器或吸热式热交换器的电致动制冷剂膨胀阀。 该控制器是调制用于制冷剂流动的阀以保持从蒸发器排出的过热蒸气的期望目标水平的类型。 当压缩机返回或蒸发器排放压力（Pc）在预选范围内时，系统采用一种策略来根据排放压力的变化率（DELTA Pc）是正还是负来增加或减少目标过热水平， 从而通过最小化压缩机循环以实现过热目标来最大化下拉。

公开(公告)号：US5218836A

公开(公告)日：1993-06-15

申请号：US896947

申请日：1992-06-11

申请人： George W. Jarosch

发明人： George W. Jarosch

IPC分类号： B60H1/32 ,  F25B47/00

CPC分类号： B60H1/321 ,  F25B47/006 ,  B60H2001/3263 ,  B60H2001/327 ,  F25B2600/0251

摘要： An electronic controller receives an evaporator inlet (or outlet) temperature sensor signal and measures the time required for the evaporator to be heated from compressor clutch cut-out to compressor clutch "ON". Depending upon the elapsed time, the controller selects from a predetermined schedule, a new value CLHOFF of the evaporator inlet temperature at which the compressor is next cut-out, raising CLHOFF for lighter thermal loading to prevent evaporator icing and freeze-up and lowering CLHOFF for heavy thermal loading to prevent unwanted compressor cycling.

摘要翻译： 电子控制器接收蒸发器入口（或出口）温度传感器信号，并测量蒸发器从压缩机离合器开关加热到压缩机离合器“ON”所需的时间。 根据经过时间，控制器从预定的时间表中选择压缩机下一次切断的蒸发器入口温度的新值CLHOFF，提高CLHOFF以获得更轻的热负荷，以防止蒸发器结冰和冻结和降低CLHOFF 用于重型热负荷以防止不必要的压缩机循环。

公开(公告)号：US4995240A

公开(公告)日：1991-02-26

申请号：US362138

申请日：1989-06-06

申请人： Richard C. Barthel ,  Peter J. Malone ,  Charles D. Orth ,  George W. Jarosch

发明人： Richard C. Barthel ,  Peter J. Malone ,  Charles D. Orth ,  George W. Jarosch

IPC分类号： F25B41/06

CPC分类号： F25B41/062 ,  F25B2341/0652 ,  Y02B30/72 ,  Y10T29/49405

摘要： A system for controlling refrigerant flow in an air conditioning system employing an electrically operated valve for controlling flow of refrigerant from the condenser to the evaporator. Separate thermistors sense the temperature of the refrigerant entering and discharging from the evaporator. A comparison of the sensed temperatures is used to modify the control signal to the valve for maintaining proper refrigerant flow to the evaporator. A control module is directly attached on the valve body to enhance heat conduction.

摘要翻译： 一种用于控制空调系统中的制冷剂流动的系统，其使用电动阀来控制制冷剂从冷凝器到蒸发器的流动。 分离的热敏电阻检测从蒸发器进入和排出的制冷剂的温度。 使用感测温度的比较来修改阀的控制信号，以保持适当的制冷剂流向蒸发器。 控制模块直接连接在阀体上，以增强热传导。

公开(公告)号：US4848100A

公开(公告)日：1989-07-18

申请号：US210159

申请日：1988-05-02

申请人： Richard C. Barthel ,  Peter J. Malone ,  Charles D. Orth ,  George W. Jarosch

发明人： Richard C. Barthel ,  Peter J. Malone ,  Charles D. Orth ,  George W. Jarosch

IPC分类号： F25B41/06

CPC分类号： F25B41/062 ,  F25B2341/0652 ,  Y02B30/72

摘要： A system for controlling refrigerant flow in an air conditioning system employing an electrically operated valve for controlling flow of refrigerant from the condenser to the evaporator. Separate thermistors sense the temperature of the refrigerant entering and discharging from the evaporator. A comparison of the sensed temperatures is used to modify the control signal to the valve for maintaining proper refrigerant flow to the evaporator.

摘要翻译： 一种用于控制空调系统中的制冷剂流动的系统，其使用电动阀来控制制冷剂从冷凝器到蒸发器的流动。 分离的热敏电阻检测从蒸发器进入和排出的制冷剂的温度。 使用感测温度的比较来修改阀的控制信号，以保持适当的制冷剂流向蒸发器。

公开(公告)号：US5152151A

公开(公告)日：1992-10-06

申请号：US841679

申请日：1992-02-26

申请人： George W. Jarosch

发明人： George W. Jarosch

IPC分类号： B60H1/32 ,  F25B49/02

CPC分类号： B60H1/321 ,  F25B49/022 ,  B60H2001/325 ,  B60H2001/327

摘要： An electronic controller receives a suction pressure sensor signal and measures the time required for the evaporator to be heated from compressor clutch cut-out to compressor clutch "ON". Depending upon the elapsed time, the controller selects from a predetermined schedule, a new value CLHOFF of the suction pressure P.sub.s at which the compressor is next cut-out, raising CLHOFF for lighter thermal loading to prevent evaporator icing and freeze-up and lowering CLHOFF for heavy thermal loading to prevent unwanted compressor cycling.