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    Integrated pre-cooled mixed refrigerant system and method
    12.
    发明授权
    Integrated pre-cooled mixed refrigerant system and method 有权
    综合预冷混合制冷剂系统及方法

    公开(公告)号：US09441877B2

    公开(公告)日：2016-09-13

    申请号：US12726142

    申请日：2010-03-17

    Applicant: Tim Gushanas ,  Doug Douglas Ducote, Jr. ,  James Podolski

    Inventor： Tim Gushanas ,  Doug Douglas Ducote, Jr. ,  James Podolski

    IPC: F25J1/00 ,  F25J1/02

    CPC classification number: F25J1/0218 ,  F25J1/0012 ,  F25J1/0015 ,  F25J1/0022 ,  F25J1/0055 ,  F25J1/0212 ,  F25J1/0214 ,  F25J1/0216 ,  F25J1/0217 ,  F25J1/0279 ,  F25J1/0291 ,  F25J1/0292 ,  F25J1/0297 ,  F25J2205/02 ,  F25J2205/90 ,  F25J2220/62 ,  F25J2220/64 ,  F25J2235/02 ,  F25J2270/60 ,  F25J2270/66

    Abstract: A system and method for cooling and liquefying a gas in a heat exchanger that includes compressing and cooling a mixed refrigerant using first and last compression and cooling cycles so that high pressure liquid and vapor streams are formed. The high pressure liquid and vapor streams are cooled in the heat exchanger and then expanded so that a primary refrigeration stream is provided in the heat exchanger. The mixed refrigerant is cooled and equilibrated between the first and last compression and cooling cycles so that a pre-cool liquid stream is formed and subcooled in the heat exchanger. The stream is then expanded and passed through the heat exchanger as a pre-cool refrigeration stream. A stream of gas is passed through the heat exchanger in countercurrent heat exchange with the primary refrigeration stream and the pre-cool refrigeration stream so that the gas is cooled. A resulting vapor stream from the primary refrigeration stream passage and a two-phase stream from the pre-cool refrigeration stream passage exit the warm end of the exchanger and are combined and undergo a simultaneous heat and mass transfer operation prior to the first compression and cooling cycle so that a reduced temperature vapor stream is provided to the first stage compressor so as to lower power consumption by the system. Additionally, the warm end of the cooling curve is nearly closed further reducing power consumption. Heavy components of the refrigerant are also kept out of the cold end of the process, reducing the possibility of refrigerant freezing, as well as facilitating a refrigerant management scheme.

    Abstract translation: 一种用于冷却和液化热交换器中的气体的系统和方法，其包括使用第一和最后的压缩和冷却循环来压缩和冷却混合制冷剂，从而形成高压液体和蒸气流。 高压液体和蒸汽流在热交换器中被冷却，然后膨胀，使得在热交换器中提供初级制冷流。 混合的制冷剂在第一和最后的压缩和冷却循环之间被冷却和平衡，从而在热交换器中形成预冷液体流并过冷。 然后将该物流作为预冷的制冷流膨胀并通过热交换器。 气流通过热交换器与初级制冷流和预冷制冷流逆流热交换，使得气体被冷却。 来自初级制冷流通道的所得蒸汽流和来自预冷制冷流通道的两相流离开交换器的暖端，并在第一次压缩和冷却之前组合并经历同时的热和质量传递操作 循环，使得将降低温度的蒸气流提供给第一级压缩机，以便降低系统的功率消耗。 另外，冷却曲线的暖端几乎封闭，进一步降低功耗。 制冷剂的重要部件也被保持在冷却过程的冷端之外，从而降低制冷剂冷冻的可能性，以及促进制冷剂管理方案。

    Freezer with liquid cryogen refrigerant and method
    13.
    发明授权
    Freezer with liquid cryogen refrigerant and method 失效
    冷冻机用液体冷冻剂制冷剂和方法

    公开(公告)号：US08534079B2

    公开(公告)日：2013-09-17

    申请号：US12726910

    申请日：2010-03-18

    Applicant: Jeffrey S. Brooks

    Inventor： Jeffrey S. Brooks

    IPC: F25B19/00

    CPC classification number: F25D3/105 ,  F25D21/04 ,  F25D21/10 ,  F25D29/001 ,  F25D2700/12

    Abstract: A freezer that uses liquid cryogen as a refrigerant includes an inner vessel defining a storage chamber and an outer jacket generally surrounding the inner vessel so that an insulation space is defined there between. A heat exchanger is positioned in a top portion of the storage chamber and has an inlet in communication with a supply of the liquid cryogen refrigerant so that the liquid cryogen refrigerant selectively flows through the heat exchanger to cool the storage chamber while being vaporized. A purge line is in communication with the outlet of the heat exchanger and includes a purge outlet positioned over the exterior of the heat exchanger. A purge valve is positioned within the purge line so that the vaporized liquid cryogen from the heat exchanger is selectively directed to the exterior of the heat exchanger to reduce ice formation on the heat exchanger.

    Abstract translation: 使用液体冷冻剂作为制冷剂的冷冻机包括限定储存室的内部容器和通常围绕内部容器的外部护套，从而在其间限定绝缘空间。 热交换器位于储存室的顶部，并且具有与液体致冷剂制冷剂供应源连通的入口，使得液体制冷剂制冷剂选择性地流过热交换器以在蒸发时冷却储存室。 净化线与热交换器的出口连通，并且包括位于热交换器外部的净化出口。 净化阀位于净化管线内，使得来自热交换器的蒸发的液体冷冻剂选择性地导向热交换器的外部，以减少热交换器上的冰层形成。

    Accurate cryogenic liquid dispenser
    15.
    发明授权
    Accurate cryogenic liquid dispenser 有权
    准确的低温液体分配器

    公开(公告)号：US06955095B2

    公开(公告)日：2005-10-18

    申请号：US10805997

    申请日：2004-03-22

    Applicant: Thomas K. Drube ,  Paul A. Drube ,  Claus D. Emmer ,  Gilbert J. Bily ,  Jesse Gamble

    Inventor： Thomas K. Drube ,  Paul A. Drube ,  Claus D. Emmer ,  Gilbert J. Bily ,  Jesse Gamble

    IPC: G01F1/34 ,  B67D7/08 ,  F17C9/00 ,  F17C13/02 ,  G01F1/42 ,  G01F1/50 ,  G01F1/88 ,  G01N27/22 ,  G01F1/58

    CPC classification number: F17C13/028 ,  F17C9/00 ,  F17C13/026 ,  F17C2221/033 ,  F17C2223/0153 ,  F17C2223/0161 ,  F17C2223/043 ,  F17C2223/046 ,  F17C2270/0168 ,  G01F1/88

    Abstract: A system for dispensing cryogenic liquid to a use device includes a bulk storage tank providing LNG to a sump containing a meter submerged in LNG. A temperature probe is also submerged in the LNG. A dispensing line is positioned between the meter and dispensing hose and includes a dispensing valve. A drain line bypasses the dispensing valve and features a check valve so that LNG trapped in the hose after dispensing is returned to the sump due to pressurization by ambient heat. A capacitance probe is submerged in the LNG in the sump and provides a dielectric that is compared by a microprocessor with the dielectric for pure methane at the same temperature to determine the purity of the LNG. An approximate linear relation between density and dielectric may be used to determine density and mass flow for the LNG from the measured dielectric. Alternatively, a density compensation factor based upon the dielectrics may be calculated and applied to the density of pure methane to obtain the density and mass flow of the LNG. A further alternative embodiment substitutes a compensating meter for the capacitor and the equations for the resulting two meters may be solved to determine density and mass flow for the LNG.

    Abstract translation: 用于向使用装置分配低温液体的系统包括向包含浸没在LNG中的仪表的贮槽提供LNG的大容量储存罐。 温度探头也浸没在液化天然气中。 分配管线位于仪表和分配软管之间，并且包括分配阀。 排水管线绕过分配阀并具有止回阀，使得在分配之后被困在软管中的LNG由于环境热量的加压而返回到贮槽中。 一个电容探头浸没在贮槽中的LNG中，并提供了一个电介质，通过微处理器与相同温度下纯甲烷的电介质进行比较，以确定LNG的纯度。 可以使用密度和电介质之间的近似线性关系来确定来自测量的电介质的LNG的密度和质量流量。 或者，可以计算基于电介质的密度补偿因子并将其应用于纯甲烷的密度，以获得LNG的密度和质量流量。 另一个替代实施例将补偿计量器代替电容器，并且可以解决所得到的两个电表的等式以确定LNG的密度和质量流量。

    CRYOGENIC PUMP
    18.
    发明公开
    CRYOGENIC PUMP 审中-公开

    公开(公告)号：US20230332585A1

    公开(公告)日：2023-10-19

    申请号：US18300724

    申请日：2023-04-14

    Applicant: Chart Inc.

    Inventor： Thomas K. Drube

    IPC: F04B23/02 ,  F04B9/105 ,  F04B15/08

    CPC classification number: F04B23/021 ,  F04B9/105 ,  F04B15/08 ,  F04B2015/0822

    Abstract: A pump for pumping a cryogenic liquid includes a pump housing defining an elongated cylinder. An elongated piston slides within the cylinder so that an intermediate fluid chamber, that is configured to receive an intermediate fluid, is defined within the cylinder adjacent to a first end of the piston and a fluid pumping chamber is defined within the cylinder adjacent to a second end of the piston. The fluid pumping chamber includes an inlet and an outlet. The pump housing is positioned within a sump. The sump is configured to receive and submerge a portion of the pump housing within the cryogenic liquid and to provide cryogenic liquid to the inlet of the pumping chamber for pumping. A sump jacket surrounds the sump so that a sump insulation space is defined therebetween. A pump jacket surrounds the pump housing so that a pump insulation space is defined therebetween.

    Liquid Density Measurement Device, System and Method
    19.
    发明申请
    Liquid Density Measurement Device, System and Method 有权

    公开(公告)号：US20230102872A1

    公开(公告)日：2023-03-30

    申请号：US17908996

    申请日：2021-02-19

    Applicant: Chart Inc.

    Inventor： Roland Wagner ,  Paul Drube

    IPC: G01N7/00

    Abstract: A probe assembly for determining a saturation pressure of a liquid includes a manifold having at internal passage and an elongated bulb defining a chamber and having a distal tip portion and a proximal portion. The bulb is secured to the manifold at the proximal end portion with the chamber in fluid communication with the internal passage. A charging port is selectively in fluid communication with the internal passage of the manifold. A pressure transmitter is configured to detect a pressure within the chamber of the elongated bulb.

    CRYOGENIC FLUID FUELING SYSTEM
    20.
    发明申请
    CRYOGENIC FLUID FUELING SYSTEM 有权

    公开(公告)号：US20220349526A1

    公开(公告)日：2022-11-03

    申请号：US17731337

    申请日：2022-04-28

    Applicant: Chart Inc.

    Inventor： Jan Kubica

    IPC: F17C9/02

    Abstract: A cryogenic fluid fueling system includes a first container configured to contain a first cryogenic liquid with a first headspace being positioned above the first cryogenic liquid. A heat exchanger vaporizes a portion of the first cryogenic liquid such that pressure within the first container is raised as vaporized cryogen moves into the first headspace. A second container is configured to contain a second cryogenic liquid with a second headspace being positioned above the second cryogenic liquid. A condensing coil is positioned within the second headspace of the second container and fluidically connected to the first interior of the first container such that a portion of the first cryogenic liquid is propelled into the condensing coil and is warmed to provide a first cryogenic vapor.

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