公开(公告)号：US07481069B2

公开(公告)日：2009-01-27

申请号：US11191679

申请日：2005-07-28

申请人： Alexander Lifson ,  Michael F. Taras

发明人： Alexander Lifson ,  Michael F. Taras

IPC分类号： F25B1/00 ,  F25B49/00

CPC分类号： F25B49/025 ,  F25B41/043 ,  F25B2600/021 ,  F25B2600/0261 ,  F25B2600/111 ,  F25B2600/112 ,  Y02B30/741 ,  Y02B30/743

摘要： A refrigerant system is provided with at least one variable frequency drive. In the past, the variable frequency drives were operable such that the voltage-to-frequency ratio remained constant regardless of operation. The present invention realizes that variations in the voltage-to-frequency ratio may be desirable, and the refrigerant system control drives the motors associated with relevant refrigerant system components to reach an optimum voltage-to-frequency ratios in order to achieve higher efficiency, provide operational safety and prevent nuisance shutdowns.

摘要翻译： 制冷剂系统具有至少一个变频驱动器。 在过去，可变频率驱动器是可操作的，使得电压 - 频率比保持恒定，而不管操作。 本发明实现了电压 - 频率比的变化是可取的，并且制冷剂系统控制驱动与相关制冷剂系统部件相关联的电动机达到最佳的电压 - 频率比，以便实现更高的效率，提供 操作安全，防止烦扰关闭。

公开(公告)号：US20090012651A1

公开(公告)日：2009-01-08

申请号：US12160356

申请日：2006-04-12

申请人： Alexander Lifson ,  Michael F. Taras

发明人： Alexander Lifson ,  Michael F. Taras

IPC分类号： G05B15/00 ,  G01R21/133

CPC分类号： G05D23/1923 ,  F24F11/30 ,  F24F11/47 ,  G06Q50/06

摘要： An HVAC & R system controller is provided with time pricing information for electricity and/or natural gas. This pricing information is utilized to determine the most efficient system configuration and operation schedule to achieve desired conditions in an indoor environment. As an example, if electricity prices are high, then the controller might rely on a natural gas powered furnace, rather than on the higher-electricity consuming heat pump. In another example, thermal storage media can be charged during off-peak hours when cost of electricity is low and release its thermal potential during high demand periods.

摘要翻译： 为HVAC＆R系统控制器提供电力和/或天然气的时间价格信息。 该定价信息用于确定在室内环境中实现所需条件的最有效的系统配置和操作计划。 例如，如果电价高，那么控制器可能依靠天然气供电的炉子，而不是依靠较高耗电的热泵。 在另一个例子中，热存储介质可在非高峰时段充电，当电力成本低时，在高需求期间释放其热势。

公开(公告)号：US20080256961A1

公开(公告)日：2008-10-23

申请号：US12088158

申请日：2005-10-20

申请人： Alexander Lifson ,  Michael F. Taras

发明人： Alexander Lifson ,  Michael F. Taras

IPC分类号： F25B1/00 ,  F04C18/00 ,  F16K31/02

CPC分类号： F25B1/10 ,  F04C29/042 ,  F25B1/04 ,  F25B2400/13 ,  F25B2600/0261

摘要： A refrigerant system with an economizer cycle incorporates a time dependant vapor injection scheme to reduce losses and enhance performance. The benefits of such an approach are particularly pronounced at low pressure ratios typical of air conditioning applications. The injection of refrigerant occurs during a limited time interval and at a particular point of time into a compression cycle. The vapor injection preferably occurs when the compression chamber are sealed (or about to be sealed off) from a suction port and continues until refrigerant pressure in the compression chambers is equal (or about to be equal) to the pressure at the injection line. This communication time constitutes about 35% of time of one revolution. In one embodiment, such time dependence of refrigerant vapor injection is provided by a specific compressor design. In another embodiment, a fast-acting solenoid valve is placed at the vicinity of the injection port to control the initiation and duration of the injection process. The benefits for an unloading scheme are disclosed as well.

摘要翻译： 具有节能循环的制冷剂系统包含时间依赖性蒸气喷射方案，以减少损耗并提高性能。 这种方法的优点在空调应用的典型的低压比下特别显着。 制冷剂的注入在有限的时间间隔内和特定的时间点进入压缩循环。 优选地，当压缩室从吸入口密封（或将要被密封）并持续到压缩室中的制冷剂压力等于（或大致等于）注入管线处的压力时，蒸汽喷射优选地发生。 这个通信时间约为革命时间的35％。 在一个实施例中，通过特定的压缩机设计来提供制冷剂蒸气喷射的这种时间依赖性。 在另一个实施例中，快速作用的电磁阀被放置在喷射端口附近以控制喷射过程的启动和持续时间。 还披露了卸货方案的好处。

公开(公告)号：US20080105420A1

公开(公告)日：2008-05-08

申请号：US11794921

申请日：2005-12-29

申请人： Michael F. Taras ,  Alexander Lifson ,  Mikhail B. Gorbounov

发明人： Michael F. Taras ,  Alexander Lifson ,  Mikhail B. Gorbounov

IPC分类号： F28F9/02

CPC分类号： F28F9/0282 ,  F25B39/00 ,  F25B41/067 ,  F25B2500/01 ,  F28D1/05366 ,  F28D2021/0071 ,  F28F1/025 ,  F28F2260/02

摘要： A parallel flow (minichannel or microchannel) evaporator includes channels which are crimped at or adjacent to their entrance location which provides for a refrigerant expansion and pressure drop control resulting in the elimination of refrigerant maldistribution in the evaporator and prevention of potential compressor flooding. Progressive crimping to counter-balance factors effecting refrigerant distribution is also disclosed.

摘要翻译： 平行流（微通道或微通道）蒸发器包括在其入口位置处或其附近卷曲的通道，其提供制冷剂膨胀和压降控制，从而消除制冷剂在蒸发器中的不均匀分布并防止潜在的压缩机驱油。 还公开了进行压平以平衡影响制冷剂分配的因素。

公开(公告)号：US07290399B2

公开(公告)日：2007-11-06

申请号：US10942695

申请日：2004-09-16

申请人： Michael F. Taras ,  Alexander Lifson

发明人： Michael F. Taras ,  Alexander Lifson

IPC分类号： F25D17/06 ,  F25B13/00

CPC分类号： F24F3/153 ,  F25B13/00 ,  F25B2313/0212 ,  F25B2313/02731 ,  F25B2313/02742 ,  F25B2313/02743 ,  F25B2400/06 ,  F25B2600/2507

摘要： In a multi-circuit heat pump system least one of the circuits has a reheat function. Various reheat concepts may be independently utilized for each circuit to reheat and dehumidify air. Moreover, the ability to bypass refrigerant around the outdoor heat exchanger may also be provided. Communication means between the circuits may be present to re-optimize the refrigerant charge and to provide better control over system operational parameters. The above mentioned control functions and design features assure system flexibility in satisfying a wide spectrum of market requirements and potential applications by operation in a variety of cooling, heating and dehumidification regimes and a combination of thereof.

摘要翻译： 在多回路热泵系统中，至少一个电路具有再热功能。 各个再加热概念可以独立地用于每个回路以再加热和除湿空气。 此外，还可以提供在室外热交换器周围绕制冷剂的能力。 可能存在电路之间的通信装置以重新优化制冷剂充注并且提供对系统操作参数的更好控制。 上述控制功能和设计特征通过在各种冷却，加热和除湿方案及其组合中的操作来确保满足广泛市场需求和潜在应用的系统灵活性。

公开(公告)号：US07287394B2

公开(公告)日：2007-10-30

申请号：US10942679

申请日：2004-09-16

申请人： Michael F. Taras ,  Alexander Lifson

发明人： Michael F. Taras ,  Alexander Lifson

IPC分类号： F25B29/00 ,  F25D17/06

CPC分类号： F25B13/00 ,  F24F3/153 ,  F25B2313/0252 ,  F25B2313/02541 ,  F25B2313/02741

摘要： A refrigerant heat pump system is operable in both heating and cooling modes. A reheat circuit is integrated into the system schematic to provide improved control over temperature and humidity and to cover a wide spectrum of sensible and latent capacity demands.

摘要翻译： 制冷剂热泵系统可以在加热和冷却两种模式下操作。 再加热电路集成到系统原理图中，以提供对温度和湿度的改进控制，并涵盖广泛的敏感和潜在能力需求。

公开(公告)号：US07257957B2

公开(公告)日：2007-08-21

申请号：US10962985

申请日：2004-10-12

申请人： Alexander Lifson ,  Michael F. Taras

发明人： Alexander Lifson ,  Michael F. Taras

IPC分类号： F25B41/00 ,  F25B49/00

CPC分类号： F24F3/153 ,  F25B2600/0261

摘要： A refrigerant system is provided with an unloader bypass line to selectively unload the compressor and deliver refrigerant from a partially (or fully) compressed location back to a suction port of the compressor. A section of this unloader bypass line is placed in the path of air having passed over an evaporator and towards an environment to be conditioned. This section of the unloader bypass line would contain refrigerant that is at a higher temperature than the refrigerant, which had been delivered into the evaporator by the main circuit. In this manner, this bypass line section will provide the function of reheating the air above the temperature to which it had been cooled in the evaporator to achieve a desired humidity level. Thus, the reheat function is obtained without requiring a dedicated reheat loop, associated components and additional structure. Also, through the refrigerant temperature reduction, compressor reliability and performance are improved. Furthermore, the flow control device may be of an adjustable type (e.g. modulating or pulsating) to achieve variable sensible heat ratios and to cover a wide range of potential applications. Lastly, the bypass line may have extended heat transfer elements allowing heat transfer enhancement between the air and refrigerant.

摘要翻译： 制冷剂系统设置有卸载器旁路管线以选择性地卸载压缩机并将制冷剂从部分（或完全）压缩的位置输送回压缩机的吸入口。 该卸载器旁路管路的一部分被放置在通过蒸发器并朝向要调节的环境的空气的路径中。 卸载器旁路管路的该部分将包含比通过主回路输送到蒸发器中的制冷剂更高的温度的制冷剂。 以这种方式，该旁路管路部分将提供将空气重新加热到其在蒸发器中被冷却的温度以达到所需湿度水平的功能。 因此，在不需要专用再热循环，相关部件和附加结构的情况下获得再热功能。 另外，通过制冷剂的温度降低，可以提高压缩机的可靠性和性能。 此外，流量控制装置可以是可调节型（例如调制或脉动），以实现可变的显热比并覆盖广泛的潜在应用。 最后，旁路管线可以具有延长的传热元件，从而允许空气和制冷剂之间的热传递增强。

公开(公告)号：US07231774B2

公开(公告)日：2007-06-19

申请号：US10833368

申请日：2004-04-28

申请人： Michael F. Taras ,  Alexander Lifson

发明人： Michael F. Taras ,  Alexander Lifson

IPC分类号： F25B49/00 ,  F25D17/06 ,  F24F11/00

CPC分类号： F25B41/04 ,  F24F3/153 ,  F25B2400/0403 ,  F25B2400/06

摘要： Multi-circuit refrigerant systems are provided with better control over a dehumidification function. In one embodiment, system circuits have means of communication with each other through connecting lines and flow control devices operable on demand. In another embodiment, a single reheat heat exchanger is utilized for both circuits, ensuring heat transfer interaction between the circuits. In yet another embodiment, a control unit operates refrigerant circuits in such a way that if some circuits are in a reheat mode, the remaining circuits are either shut off or are in an enhanced reheat mode.

摘要翻译： 多回路制冷系统具有更好的控制除湿功能。 在一个实施例中，系统电路具有通过可按需操作的连接线路和流量控制装置彼此通信的装置。 在另一个实施例中，单个再热换热器用于两个电路，确保电路之间的热传递相互作用。 在另一个实施例中，控制单元以这样的方式操作制冷剂回路，使得如果一些电路处于再热模式，则其余电路被切断或处于增强的再热模式。

公开(公告)号：US07228708B2

公开(公告)日：2007-06-12

申请号：US10975869

申请日：2004-10-28

申请人： Michael F. Taras ,  Alexander Lifson

发明人： Michael F. Taras ,  Alexander Lifson

IPC分类号： F25B1/00

CPC分类号： F24F3/153 ,  F25B2400/0403 ,  F25B2400/075 ,  F25B2400/13

摘要： A tandem compressor system is disclosed that delivers compressed refrigerant to a common discharge manifold, and then to a common condenser. From the common condenser, the refrigerant passes to a plurality of evaporators, with each of the evaporators being associated with a separate environment to be conditioned. A reheat function is provided by a reheat coil(s) for one or several environments such that desired temperature and humidity levels are achieved. Various reheat concepts and system configurations are disclosed, where the reheat coils are interconnected or independent from each other, as well as each evaporator is associated with a single or a plurality of the reheat coils.

摘要翻译： 公开了一种串联压缩机系统，其将压缩的制冷剂输送到公共排放歧管，然后到公共的冷凝器。 从共同的冷凝器，制冷剂传递到多个蒸发器，其中每个蒸发器与待调节的单独的环境相关联。 再热功能由一个或多个环境的再热线圈提供，使得实现期望的温度和湿度水平。 公开了各种再热概念和系统配置，其中再热线圈彼此互连或独立，以及每个蒸发器与单个或多个再热线圈相关联。

公开(公告)号：US07201008B2

公开(公告)日：2007-04-10

申请号：US10429359

申请日：2003-05-05

申请人： Alexander Lifson ,  Michael F. Taras

发明人： Alexander Lifson ,  Michael F. Taras

IPC分类号： F25B41/00 ,  F25B49/00 ,  F25B7/00 ,  F25B41/04

CPC分类号： F25B49/022 ,  F25B41/043 ,  F25B2600/0261 ,  F25B2700/1933 ,  F25B2700/21151

摘要： A vapor compression system includes a main vapor compression circuit having a compressor, a condenser, an expansion device and an evaporator serially connected by main refrigerant lines, the compressor having a suction port, a main discharge port and an intermediate port, and the main refrigerant lines being communicated with the main discharge port and the suction port; a bypass circuit communicated between the intermediate port and the suction portion; and a superheat sensing device positioned to sense superheat in a combined flow from the main vapor compression circuit and the bypass circuit. A method of operation of the system is also provided. The benefits of enhanced system and compressor performance, improved compressor reliability and extended system operating envelope are readily obtained.

摘要翻译： 蒸气压缩系统包括主蒸汽压缩回路，其具有压缩机，冷凝器，膨胀装置和通过主制冷剂管线串联连接的蒸发器，所述压缩机具有吸入口，主排出口和中间端口，主制冷剂 线与主排出口和吸入口连通; 在中间端口和抽吸部分之间连通的旁路回路; 以及过热感测装置，其被定位成感测来自主蒸汽压缩回路和旁路回路的组合流中的过热。 还提供了该系统的操作方法。 增强的系统和压缩机性能，改进的压缩机可靠性和扩展的系统操作范围的优点是容易获得的。