公开(公告)号：US20080296005A1

公开(公告)日：2008-12-04

申请号：US11794773

申请日：2006-01-05

Applicant: Michael F. Taras ,  Alexander Lifson

Inventor： Michael F. Taras ,  Alexander Lifson

IPC: F28F9/02

CPC classification number: F28F27/02 ,  F25B13/00 ,  F25B39/00 ,  F25B41/04 ,  F28D1/05375

Abstract: A parallel flow heat exchanger system (10, 50, 100, 200) for heat pump applications in which single and multiple paths of variable length are established via flow control systems which also allow for refrigerant flow reversal within the parallel flow heat exchanger system (10, 50, 100, 200), while switching between cooling and heating modes of operation. Examples of flow control devices are an expansion device (80) and various check valves (70, 72, 74, 76). The parallel flow heat exchanger system may have converging or diverging flow circuits and may constitute a single-pass or a multi-pass evaporator together with and a multi-pass condenser.

Abstract translation: 一种用于热泵应用的并联流动热交换器系统（10,50,100,200），其中通过流量控制系统建立了可变长度的单个和多个路径，其也允许并联流动热交换器系统（10）内的制冷剂流动反向 ，50,100,200），同时在冷却和加热模式之间切换。 流量控制装置的实例是膨胀装置（80）和各种止回阀（70,72,74,76）。 平行流热交换器系统可以具有会聚或发散的流动回路，并且可以与多通道冷凝器一起构成单通或多通蒸发器。

公开(公告)号：US20080250812A1

公开(公告)日：2008-10-16

申请号：US12088954

申请日：2005-11-30

Applicant: Alexander Lifson ,  Michael F. Taras

Inventor： Alexander Lifson ,  Michael F. Taras

IPC: F25B1/00 ,  F04C2/00 ,  F25B49/00 ,  F25D3/00

CPC classification number: F25B41/043 ,  F25B1/04 ,  F25B49/022 ,  F25B2400/06 ,  F25B2600/026 ,  F25B2600/2521

Abstract: A multi-circuit refrigerant system incorporates at least one component provided with a pulse width modulation control. This component can be controlled to adjust the capacity provided by the circuit incorporating the component. In this manner, the pulse width modulation component can be controlled to exactly tailor the capacity of that circuit to provide a total desired combined cooling capacity of the multiple circuits within the multi-circuit system configurations. In one embodiment, only one circuit in a multi-circuit refrigerant system incorporates a pulse width modulation controlled component. In another embodiment, a plurality of circuits are provided with pulse width modulation controlled components.

Abstract translation: 多回路制冷剂系统包括至少一个设置有脉宽调制控制的部件。 可以控制该组件以调整由包含组件的电路提供的容量。 以这种方式，可以控制脉冲宽度调制分量以精确地定制该电路的容量，以在多电路系统配置中提供多个电路的总期望的组合冷却能力。 在一个实施例中，多回路制冷剂系统中仅一个电路包含脉宽调制控制部件。 在另一个实施例中，多个电路具有脉冲宽度调制控制部件。

公开(公告)号：US20080202155A1

公开(公告)日：2008-08-28

申请号：US11995142

申请日：2005-07-28

Applicant: Michael F. Taras ,  Alexander Lifson

Inventor： Michael F. Taras ,  Alexander Lifson

IPC: F25B1/00 ,  F25B39/02

CPC classification number: F24F3/153

Abstract: A closed-loop reheat circuit decoupled from a main refrigerant circuit is provided as part of a refrigerant system. In the closed-loop reheat circuit refrigerant is flown through an auxiliary heat exchanger, at which it transfers heat to refrigerant in the main circuit, increasing its cooling and dehumidification potential prior to entering an evaporator. The closed-loop circuit also includes a reheat heat exchanger that is placed in the path of at least a portion of airflow having passed over an evaporator. The reheat heat exchanger reheats air supplied to a conditioned space to a desired temperature after sufficient amount of moisture has been removed from the air in the evaporator to provide a comfortable humidity level. By utilizing the closed-loop reheat circuit, a control for the overall refrigerant system becomes less complex and more flexible, and the refrigerant system operation turns out to be more reliable and satisfying a variety of environmental conditions and potential applications. Various features and options of the decoupled reheat circuit concept are also disclosed.

Abstract translation: 作为制冷剂系统的一部分提供了与主制冷剂回路分离的闭环再加热回路。 在闭环再热回路中，制冷剂通过辅助热交换器流动，在辅助热交换器中，它将热量传递到主回路中的制冷剂，在进入蒸发器之前增加其冷却和除湿潜力。 闭环回路还包括一个再热交换器，其被放置在已经通过蒸发器的气流的至少一部分的路径中。 再加热热交换器在从蒸发器中的空气中除去足够量的水分以提供舒适的湿度水平之后，将供应到调节空间的空气再加热到所需温度。 通过利用闭环再热回路，整个制冷系统的控制变得不那么复杂和灵活，制冷系统运行更可靠，满足各种环境条件和潜在应用。 还公开了去耦加热电路概念的各种特征和选项。

公开(公告)号：US07343750B2

公开(公告)日：2008-03-18

申请号：US10732497

申请日：2003-12-10

Applicant: Alexander Lifson ,  Michael F. Taras

Inventor： Alexander Lifson ,  Michael F. Taras

IPC: G01K13/00 ,  F25B45/00

CPC classification number: F25B49/005 ,  F25B2700/1931 ,  F25B2700/1933 ,  F25B2700/2106

Abstract: A refrigerant system has a controller associated with it that determines an equilibrium pressure when the system is inactive. The controller determines if the equilibrium pressure differs from an expected equilibrium pressure corresponding to a current ambient temperature and the selected refrigerant type. When the difference exceeds a selected threshold, the controller determines that the amount of refrigerant within the circuit is below a desired level. In one example, the controller provides an indication of a low charge amount. The disclosed technique allows early detection of refrigerant charge loss and differentiation between loss-of-charge and other failure modes. Consequently, system performance is enhanced, component damage is prevented, service interruptions and maintenance are reduced, exhaustive troubleshooting is avoided and potential exposure to refrigerant substances is minimized.

Abstract translation: 制冷剂系统具有与其相关联的控制器，其在系统不活动时确定平衡压力。 控制器确定平衡压力是否与对应于当前环境温度和所选制冷剂类型的预期平衡压力不同。 当差值超过选择的阈值时，控制器确定电路内的制冷剂量低于期望水平。 在一个示例中，控制器提供低电荷量的指示。 所公开的技术允许早期检测制冷剂充量损失和充电损失和其他故障模式之间的区分。 因此，提高系统性能，防止部件损坏，减少维修中断和维护，避免了详尽的故障排除，并尽可能减少制冷剂物质的潜在暴露。

公开(公告)号：US07278832B2

公开(公告)日：2007-10-09

申请号：US10752757

申请日：2004-01-07

Applicant: Alexander Lifson ,  James William Bush

Inventor： Alexander Lifson ,  James William Bush

IPC: F04B49/00

CPC classification number: F04C18/0215 ,  F04C18/0261 ,  F04C28/265 ,  F04C29/042

Abstract: Scroll compressors are provided with vapor injection or by-pass ports that will allow greater flow of refrigerant through the port than was the case in the prior art. The prior art has typically utilized a single injection port having a diameter equal to or slightly larger than the thickness of the scroll wrap. In this way, the scroll wrap is able to prevent or restrict cross-flow leakage from the port from passing between the two compression chambers. However, this single port has also limited the amount of refrigerant that can be returned. In one embodiment, the present invention utilizes a plurality of ports generally spaced along the length of the wrap such that cross-flow can still be prevented while providing a greater cross-sectional flow area into or out of the compression chambers. In another embodiment, the several ports may be replaced by a single elongated port. Further, if cross-flow leakage is not a particular problem, the ports may be positioned such that they begin to communicate, and stop communicating, serially, with the two chambers.

Abstract translation: 涡旋式压缩机配有蒸汽喷射或旁路端口，其将允许制冷剂通过端口的流量比现有技术中的情况更大。 现有技术通常使用具有等于或略大于涡卷的厚度的直径的单个注射口。 以这种方式，涡旋包裹体能够防止或限制来自端口的横流泄漏而不能在两个压缩室之间通过。 然而，这个单一港口也限制了可以返还的制冷剂的数量。 在一个实施例中，本发明利用沿着包装长度大致间隔开的多个端口，使得仍可以防止横流，同时向压缩室提供更大的横截面流动面积。 在另一个实施例中，多个端口可以由单个细长端口代替。 此外，如果交叉流泄漏不是特别的问题，则端口可以被定位成使得它们开始连通，并且与两个室连续地停止通信。

公开(公告)号：US07255542B2

公开(公告)日：2007-08-14

申请号：US11140721

申请日：2005-05-31

Applicant: Alexander Lifson ,  Bruce A. Fraser

Inventor： Alexander Lifson ,  Bruce A. Fraser

IPC: F01C1/063 ,  F01C1/00 ,  F03C2/00 ,  F03C4/00 ,  F04C2/00 ,  F04C18/00

CPC classification number: F25B1/04 ,  F04C18/0215 ,  F04C23/008 ,  F04C29/126

Abstract: A unique positioning of a discharge tube relative to a pivot axis of a check valve in a compressor reduces the wear and fatigue stresses on the pivoting check valve components. The tube is centered on an axis that is non-perpendicular to an axis that is parallel to the pivot axis of the check valve, and in one embodiment was at 45°. With the inventive positioning of the discharge tube relative to the pivot axis, the flow streamlines heading from the discharge port to the discharge tube are no loner normal to the flapper valve surface, and the amount of wear between moving valve components and fatigue stresses are reduced.

Abstract translation: 放电管相对于压缩机中的止回阀的枢转轴线的独特定位减少了枢转止回阀部件上的磨损和疲劳应力。 该管以与垂直于止回阀的枢转轴线的轴线不垂直的轴为中心，在一个实施例中为45°。 通过排放管相对于枢转轴线的本发明的定位，从排出口到排放管的流动流线不会偏离挡板阀表面，并且移动阀部件和疲劳应力之间的磨损量减小 。

公开(公告)号：US20070130973A1

公开(公告)日：2007-06-14

申请号：US11302909

申请日：2005-12-14

Applicant: Alexander Lifson ,  Michael Taras

Inventor： Alexander Lifson ,  Michael Taras

IPC: F25B41/00 ,  F25B49/00

CPC classification number: B60H1/3216 ,  B60H2001/3272 ,  F25B1/04 ,  F25B1/10 ,  F25B49/02 ,  F25B49/025 ,  F25B2400/13 ,  F25B2600/0253 ,  F25B2600/0261 ,  F25B2600/11 ,  F25B2600/2501

Abstract: A scroll compressor is provided with a multiple-speed motor. A control selects a speed for operating the motor, along with selecting between several available options for the system capacity adjustment to meet external load demands in a most efficient and reliable manner. The disclosed embodiment includes an economizer circuit, an unloader function, and an optional suction modulation valve. By utilizing each of these features in combination with the multi-speed motor for the compressor, the present invention is better able to tailor provided capacity to desired capacity.

Abstract translation: 涡旋压缩机设有多速电机。 控制器选择用于操作电机的速度，以及选择几个可用选项进行系统容量调整，以最有效和可靠的方式满足外部负载需求。 所公开的实施例包括节能器电路，卸载器功能和可选的抽吸调节阀。 通过将这些特征中的每一个与用于压缩机的多速电动机结合使用，本发明能够更好地定制提供的所需容量的容量。

公开(公告)号：US20070033957A1

公开(公告)日：2007-02-15

申请号：US11199712

申请日：2005-08-09

Applicant: Michael Taras ,  Thomas Dobmeier ,  Alexander Lifson

Inventor： Michael Taras ,  Thomas Dobmeier ,  Alexander Lifson

IPC: F25B39/04 ,  F25D17/04

CPC classification number: F25B49/02 ,  F16H9/20 ,  F16H61/66263 ,  F16H61/66272 ,  F25B2400/13 ,  F25B2600/026 ,  F25B2600/111 ,  F25B2600/112 ,  Y02B30/743

Abstract: A refrigerant system is provided with a variable speed drive for at least one of its fluid-moving devices, wherein the variable speed drive is provided by an automated mechanical drive. In the disclosed embodiment, one of the pulleys for driving the fluid-moving device has a variable diameter to vary the speed at which the fluid-moving device is driven. The pulley may include two plates that are biased in one direction by a spring or permanent magnet force, and in an opposed direction by a hydraulic or electromagnetic force. A control adjusts the amount of hydraulic or electromagnetic force delivered to the plates to achieve a desired speed for the fluid-moving device.

Abstract translation: 制冷剂系统设置有用于其流体移动装置中的至少一个的变速驱动器，其中变速驱动器由自动机械驱动器提供。 在所公开的实施例中，用于驱动流体移动装置的滑轮中的一个具有可变直径以改变流体运动装置被驱动的速度。 滑轮可以包括通过弹簧或永久磁力沿一个方向偏置的两个板，并且通过液压或电磁力在相反的方向上。 控制器调节输送到板的液压或电磁力的量以达到流体移动装置所需的速度。

公开(公告)号：US20070022765A1

公开(公告)日：2007-02-01

申请号：US11191679

申请日：2005-07-28

Applicant: Alexander Lifson ,  Michael Taras

Inventor： Alexander Lifson ,  Michael Taras

IPC: F25D17/00 ,  F25B49/00

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

Abstract: 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.

Abstract translation: 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，而与操作无关。 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：US20060277930A1

公开(公告)日：2006-12-14

申请号：US11450598

申请日：2006-06-09

Applicant: Jason Scarcella ,  Alexander Lifson

Inventor： Jason Scarcella ,  Alexander Lifson

IPC: F25B43/02 ,  F25B31/00

CPC classification number: F25B49/005 ,  F25B31/004 ,  F25B41/043 ,  F25B2400/01 ,  F25B2400/13 ,  F25B2500/06 ,  F25B2500/16 ,  F25B2600/111 ,  F25B2700/1931 ,  F25B2700/2106 ,  Y02B30/743

Abstract: A control algorithm is developed which takes corrective action in the event that system conditions indicate there may be an inadequate flow of lubricant in the system. In particular, if a discharge pressure is below a predetermined amount or if the suction modulation valve is throttled, there is a possibility of inadequate lubricant flow. The system control then turns off the condenser fan, and if that first step is not sufficient, may also turn on an evaporator heater and then control a suction modulation valve. A fail safe control loop also takes effect if the condition sensor appears to have failed.