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    Accurate cryogenic liquid dispenser
    3.
    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：US06595048B1

    公开(公告)日：2003-07-22

    申请号：US09632604

    申请日：2000-08-04

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

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

    IPC分类号： G01F700

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

    摘要： A system for dispensing cryogenic liquid to a use device includes a bulk storage tank providing liquid natural gas (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.

    摘要翻译： 用于将低温液体分配到使用装置的系统包括大容量储存罐，其将液体天然气（LNG）提供给包含浸没在LNG中的仪表的贮槽。 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。

    Cryogenic fluid delivery system
    4.
    发明授权
    Cryogenic fluid delivery system 有权
    低温流体输送系统

    公开(公告)号：US07144228B2

    公开(公告)日：2006-12-05

    申请号：US10601458

    申请日：2003-06-23

    申请人： Claus Emmer ,  Thomas K. Drube ,  Jesse Gamble

    发明人： Claus Emmer ,  Thomas K. Drube ,  Jesse Gamble

    IPC分类号： F04B17/00 ,  F17C13/00

    CPC分类号： F17C7/04 ,  F17C2223/0161 ,  F17C2227/0135 ,  F17C2265/065 ,  F17C2270/0139 ,  F17C2270/0168

    摘要： A cryogenic fluid delivery system includes a pump having a pumping cylinder within which a sliding pumping piston is positioned. The pump also includes an actuating cylinder within which a sliding actuating piston is positioned and a supplemental linear actuator, such as a hydraulic cylinder. The pumping and actuating pistons and supplemental linear actuator are joined by connecting rods. A portion of the cryogenic liquid pumped from a storage tank is vaporized in a heat exchanger and introduced into the actuating cylinder to power the pump with the assistance of the supplemental linear actuator so that high pump discharge pressures may be obtained.

    摘要翻译： 低温流体输送系统包括具有泵送缸的泵，其中定位滑动泵送活塞。 泵还包括致动缸，其中滑动致动活塞被定位在该致动缸中，以及辅助线性致动器，例如液压缸。 泵送和致动活塞和辅助线性致动器通过连杆连接。 从储罐泵出的一部分低温液体在热交换器中被蒸发并被引入到致动缸中，以在辅助线性致动器的辅助下为泵供电，从而可获得高的泵排出压力。

    Accurate cryogenic liquid dispenser
    5.
    发明授权
    Accurate cryogenic liquid dispenser 有权

    公开(公告)号：US06732594B2

    公开(公告)日：2004-05-11

    申请号：US10366743

    申请日：2003-02-13

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

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

    IPC分类号： G01F158

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

    摘要： 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.

    Accurate cryogenic liquid dispenser
    7.
    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

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

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

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

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

    摘要： 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.

    摘要翻译： 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。

    Breakaway device for fueling stations
    8.
    发明授权
    Breakaway device for fueling stations 有权
    加油站分离装置

    公开(公告)号：US06692034B2

    公开(公告)日：2004-02-17

    申请号：US10054813

    申请日：2001-10-29

    申请人： Thomas K. Drube ,  Jesse Gamble ,  Gilbert J. Bily

    发明人： Thomas K. Drube ,  Jesse Gamble ,  Gilbert J. Bily

    IPC分类号： F16L3500

    CPC分类号： B67D7/06 ,  B67D7/32 ,  B67D7/3218 ,  B67D7/38 ,  F16L55/1007 ,  Y10T137/1654

    摘要： A breakaway device joins a portion of a dispensing hose that is connected to a fueling station with a portion of a dispensing hose that is joined to a coupling that connects to a vehicle during fueling. The breakaway device includes a pair of leg members that are joined by their proximal ends to the dispensing hose portions. The distal ends of the leg members are joined at an angle to a frangible member that includes a pair of inner segments that are joined in an abutting fashion by a surrounding frangible sleeve. When a driveaway occurs, the leg members are pulled apart and exert a bending moment on the frangible member. As a result, the frangible member breaks which prevents significant damage to the station. A pneumatic line that provides pressurized air to open the station dispensing valve is attached to each leg member so that when the frangible member breaks, the pneumatic line is ruptured so that pressurized air is no longer delivered to the dispensing valve. As a result, the dispensing valve closes and fuel is no longer delivered to the dispensing hose.

    摘要翻译： 分离装置将连接到加油站的分配软管的一部分与分配软管的一部分连接到在加油期间连接到车辆的联接器。 分离装置包括一对腿部构件，其通过其近端连接到分配软管部分。 腿构件的远端以与包括一对内部段的易碎构件成一定角度连接，所述内部段以相邻的方式被周围的易碎套筒连接起来。 当发生变速时，腿部构件被拉开并在易碎构件上施加弯矩。 结果，易碎的会员休息，防止对车站的重大损坏。 提供用于打开站分配阀的加压空气的气动管路连接到每个支腿构件，使得当易碎构件断裂时，气动管线破裂，使得加压空气不再被输送到分配阀。 结果，分配阀关闭并且燃料不再被输送到分配软管。

    Cryogenic fluid delivery system
    9.
    发明授权
    Cryogenic fluid delivery system 有权
    低温流体输送系统

    公开(公告)号：US06581390B2

    公开(公告)日：2003-06-24

    申请号：US10054784

    申请日：2001-10-29

    申请人： Claus Emmer ,  Thomas K. Drube ,  Jesse Gamble

    发明人： Claus Emmer ,  Thomas K. Drube ,  Jesse Gamble

    IPC分类号： F17C1300

    CPC分类号： F17C7/04 ,  F17C2223/0161 ,  F17C2227/0135 ,  F17C2265/065 ,  F17C2270/0139 ,  F17C2270/0168

    摘要： A cryogenic fluid delivery system includes an insulated storage tank containing a supply of cryogenic liquid, a pump, a heat exchanger and a gas and liquid mixer. The pump includes a pumping cylinder within which a sliding pumping piston is positioned. The pump also includes an actuating cylinder within which a sliding actuating piston is positioned. The pumping and actuating pistons are joined by a connecting rod. A portion of the cryogenic liquid pumped from the storage tank by the pumping piston and cylinder is vaporized in the heat exchanger and introduced into the actuating cylinder on alternating sides of the actuating piston to power the pump. The vaporized cryogen is also used to heat the pumped cryogenic liquid in the mixer. The conditioned cryogenic liquid is then dispensed from the mixer via a dispensing line.

    摘要翻译： 低温流体输送系统包括含有低温液体供应的绝热储罐，泵，热交换器和气体和液体混合器。 该泵包括泵送缸，其内定位滑动泵送活塞。 该泵还包括致动缸，滑动致动活塞定位在该致动缸中。 泵送和致动活塞通过连杆连接。 通过泵送活塞和气缸从存储箱泵送的一部分低温液体在热交换器中蒸发，并在致动活塞的交替侧被引入到致动缸中，为泵供电。 蒸发的冷冻剂也用于在混合器中加热泵送的低温液体。 然后通过分配管线从混合器中分配调理的低温液体。