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公开(公告)号：US4783972A
公开(公告)日：1988-11-15
申请号：US114228
申请日：1987-10-29
CPC分类号： F25D3/11 , F25D2317/0681
摘要： A cryogenic freezer having a thermally insulated tunnel-like enclosure with an entrance and an exit and means for conveying products being frozen therethrough. Products are contacted with liquid cryogen at a region generally near the entrance and a blower located closer to the entrance than to the exit controls flow of cryogen vapor. Upstream and downstream baffles and dampers associated with blower are linked together for complementary movement to selectively regulate the upstream and downstream flow of vapor discharged from the blower. Additional blowers circulate the cold cryogenic vapor transverse to the direction of the conveying means. The temperature of vapor leaving the region of the entrance is monitored the orientation of the baffle and damper arrangement is adjusted in accordance with the temperature monitored. The food products can be contacted by liquid nitrogen in a reservoir facilitates cleaning and retards inefficient vaporization.
摘要翻译： 具有具有入口和出口的隔热隧道状外壳的低温冷冻器以及用于输送被冷冻的产品的装置。 产品在通常靠近入口的区域和位于入口处更靠近冷冻剂蒸气的出口控制流动的鼓风机处与液体冷冻剂接触。 与鼓风机相关联的上游和下游挡板和阻尼器连接在一起用于互补运动，以选择性地调节从鼓风机排出的蒸气的上游和下游流动。 另外的鼓风机将冷的低温蒸气横向于传送装置的方向。 监测离开入口区域的蒸汽的温度，对挡板的方向进行监测，根据监测的温度调节阻尼器装置。 食品可以通过液氮在储存器中接触，有助于清洁并延缓低效汽化。
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公开(公告)号：US4350027A
公开(公告)日：1982-09-21
申请号：US308373
申请日：1981-10-05
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
CPC分类号： F25D3/11
摘要： An endless conveyor carries articles being cooled through a freezing tunnel. Spray nozzles at longitudinally spaced locations along the tunnel expand high pressure liquid nitrogen to substantially atmospheric pressure to create a central flow of cold fluid in association with a surrounding inducer. The nozzles are arranged in an array with a first group being directed downward and toward the entrance and with a second group being directed downward and toward the exit end. A fan disposed in the intermediate region between the two groups creates an upward flow of cryogen vapor into the region that maintains a head of higher pressure vapor at the entrance to each of the inducers. Downwardly directed blowers are located between the array and both the entrance and exit ends in order to assure there is efficient extraction of heat from articles being carried along the conveyor from end to end. The inducers create an efficient circulation of vapor in the enclosure, and the rate of flow of cryogen being expanded is regulated by using nozzles having changeable orifice areas.
摘要翻译： 无端输送机运送通过冷冻隧道冷却的物品。 沿着隧道的纵向间隔开的喷嘴沿着隧道将高压液氮膨胀至基本上大气压，以产生与周围的诱导器相关的冷流体的中心流。 喷嘴布置成阵列，其中第一组向下指向入口，并且第二组朝向下方并朝向出口端。 设置在两组之间的中间区域中的风扇产生向上流动的冷冻剂蒸气进入到每个诱导器的入口处保持高压蒸气头部的区域。 向下引导的鼓风机位于阵列与入口和出口端之间，以确保有效地从沿着输送机承载的物品的端部到末端提取热量。 诱导剂在外壳中产生蒸汽的有效循环，并且通过使用具有可变孔口面积的喷嘴来调节被膨胀的冷冻剂的流速。
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公开(公告)号：US4045972A
公开(公告)日：1977-09-06
申请号：US708268
申请日：1976-07-23
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
摘要： A system for CO.sub.2 cooling of the cargo compartment of a refrigerated vehicle. A vessel carried by the vehicle holds liquid CO.sub.2 at pressure preferably not greater than about 125 psia. Liquid CO.sub.2 is supplied to first heat-exchanger where it is vaporized and warmed a predetermined amount while the pressure is maintained at at least about 80 psia. The pressure of the warmed CO.sub.2 is lowered to about atmospheric pressure without the creation of solid CO.sub.2, while simultaneously cooling the CO.sub.2 vapor, using a gas-driven motor through which the CO.sub.2 vapor is passed. The cooled CO.sub.2 vapor from the motor is passed through a second heat-exchanger, and a fan connected to the motor circulates the atmosphere in the cargo compartment in association with both heat-exchangers. The CO.sub.2 vapor from the second heat-exchanger is vented to the atmosphere exterior of cargo compartment. Isenthalpic expansion means may be used in series with the gas motor, or a second gas motor may be used which can drive a generator to create electric power that is stored in a battery.
摘要翻译： 一种用于冷藏车辆货舱二氧化碳冷却的系统。 车辆承载的船只保持压力优选不大于约125psia的液体CO 2。 液体CO 2被供应到第一热交换器，其中它被蒸发并加热预定量，同时压力保持在至少约80psia。 加热的二氧化碳的压力降低到大气压力，而不产生固体CO 2，同时使用气体驱动的电动机同时冷却CO 2蒸气，通过CO 2蒸气通过。 来自电动机的冷却的CO 2蒸气通过第二热交换器，并且连接到电动机的风扇与两个热交换器相关联地循环在货舱中的大气。 来自第二热交换器的CO 2蒸气排放到货舱外部的大气。 等离子体膨胀装置可以与气体马达串联使用，或者可以使用可以驱动发电机以产生存储在电池中的电力的第二气体马达。
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公开(公告)号：US3952530A
公开(公告)日：1976-04-27
申请号：US499035
申请日：1974-08-20
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
CPC分类号： C01B31/22
摘要： A method of controlling a CO.sub.2 snow-making operation which is promptly self-correcting should an upset occur that results in incomplete separation of CO.sub.2 snow from the cold CO.sub.2 vapor. The separated snow is fed to a generally closed chamber, while a major portion of the cold CO.sub.2 vapor is passed in heat-exchange relationship with warmer liquid CO.sub.2 flowing toward the expansion nozzle. The temperature and/or pressure of the CO.sub.2 vapor exiting the heat-exchanger is monitored, and upon detecting a condition indicative of incomplete separation of snow from vapor, the flow of vapor through the heat-exchanger is temporarily reduced while flow of a minor portion of CO.sub.2 vapor is permitted to exit from the generally closed chamber. Prompt correction of the situation causing the incomplete separation automatically results.
摘要翻译： 一个控制二氧化碳除雪作业操作的方法是及时自我纠正的，应该会导致二氧化碳气体与冷CO2蒸气分离不完全。 分离的雪被送入一个大致封闭的室，而冷的二氧化碳蒸汽的大部分与热膨胀的液体CO 2的热交换关系通过。 监测离开热交换器的二氧化碳蒸气的温度和/或压力，并且在检测到表明雪与蒸气不完全分离的状态时，通过热交换器的蒸气流暂时减小，同时流过少量部分 的CO 2蒸气被允许从通常封闭的室排出。 对导致不完全分离的情况进行及时更正自动结果。
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公开(公告)号：US5445196A
公开(公告)日：1995-08-29
申请号：US272115
申请日：1994-07-07
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
摘要： Filling units for supplying small tanks or the like with gasoline, kerosene, or other flowable materials which attach to an inlet to such a tank. When the filling unit is in a fill position, a displacer section occupies a substantial volume within the tank and allows the person filling the tank to supply the liquid until the tank will accept no more and the liquid reaches a predetermined level in a funnel portion of the filler. Thereafter, manipulation of the displacer section, as for example by withdrawing a section of the overall unit upward opening a valve or movement within the tank itself, causes all the liquid remaining in the funnel up to such predetermined level to be accommodated within the tank by occupying the volume previously occupied by the displacer section and thereby completing the filling of the tank to a full condition without any spillage. The overall unit may be such that it is intended to be removed from the tank after each filling operation (and preferably stored in an optional, integral storage compartment), or it may be designed to fit permanently within a tank inlet and to be movable downward to a storage orientation, which allows the replacing of the protective screw cap that normally closes the tank.
摘要翻译： 用于向小罐等供应汽油，煤油或其他可流动的材料的填充单元，其连接到这种罐的入口。 当填充单元处于填充位置时，置换器部分在罐内占据相当大的体积，并且允许填充罐的人供应液体，直到罐不再接受并且液体在漏斗部分中达到预定水平 填料。 此后，例如通过抽出整个单元的一部分向上打开阀或罐内的运动来移动置换器部分，使漏斗中残留的所有液体达到预定水平以通过 占据先前由置换器部分占据的体积，从而完成罐的充满而没有任何溢出。 整个单元可以是这样的，即在每个填充操作之后（并且优选地存储在可选的整体存储隔间）中，其旨在从罐中移除，或者其可被设计成永久地配合在罐入口内并且可向下移动 到存储方向，这允许更换通常关闭罐的保护螺丝帽。
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公开(公告)号：US5195567A
公开(公告)日：1993-03-23
申请号：US813125
申请日：1991-12-23
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
IPC分类号： B67C11/02
CPC分类号： B67C11/02
摘要： Filling units for supplying small tanks or the like with gasoline, kerosene, or other flowable materials which attach to an inlet to such a tank. When the filling unit is in a fill position, a displacer section occupies a substantial volume within the tank. It allows the person filling the tank to supply the liquid until the tank will accept no more and the liquid reaches a predetermined level in a funnel portion of the filler. Thereafter, manipulation of the displacer section vertically within the tank, as for example by sliding a section of the overall unit upward, accommodates all the liquid remaining in the funnel up to such predetermined level within the tank by occupying the volume previously occupied by the displacer section and thereby completing the filling of the tank to a full condition without any spillage. The overall unit may be such that it is intended to be removed from the tank after each filling operation, or it may be designed to fit permanently within a wide-mouth tank inlet and to be movable downward to a storage orientation which allows the unit to remain mounted in the tank inlet and covered by the protective cap that normally screws onto the inlet opening to close it.
摘要翻译： 用于向小罐等供应汽油，煤油或其他可流动的材料的填充单元，其连接到这种罐的入口。 当填充单元处于填充位置时，置换器部分在罐内占据相当大的体积。 它允许填充罐的人供应液体，直到罐不再接受，并且液体在填料的漏斗部分达到预定水平。 此后，例如通过将整个单元的一部分向上滑动来操纵置换器部分，例如通过将整个单元的一部分向上滑动来容纳容器内剩余的所有液体通过占据先前被置换器占据的体积而在罐内的预定水平 从而完成罐的充填到完全的状态而没有任何溢出。 整个单元可以是这样的，即在每个填充操作之后，其旨在从罐中移出，或者它可以被设计成永久地配合在广口容器入口内并且可向下移动到存储方向，从而允许单元 保持安装在储罐入口中，并被保护盖覆盖，保护盖通常拧入入口开口以将其关闭。
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公开(公告)号：US4878362A
公开(公告)日：1989-11-07
申请号：US211985
申请日：1988-06-27
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
CPC分类号： B65G21/18 , A23L3/361 , B65G17/064 , F25D25/04 , B65G2201/02 , B65G2207/24
摘要： A chiller has an insulated enclosure for maintaining the low ambient temperatures therewithin. A conveyor belt carries food products throughout the enclosure, passing through an entrance and an exit in the enclosure. The conveyor belt includes a straight-line path section and a helical path section, and is driven by a suitable drive, such as an internal rotating drum or an endless drive belt contacting a bottom tier of the conveyor helical path section. The belt includes inner and outer links interconnected by transverse rods. Upon entering a helical path section from a straight-line path section, the conveyor belt undergoes expansion only, with the inner ends of the rods undergoing only slight relative angular movement, while the outer ends of the rods are permitted an amount of relative longitudinal movement so as to allow the conveyor belt to assume a curved configuration having the desired radius of curvature for the helical path.
摘要翻译： 冷却器具有用于保持其中的低环境温度的绝缘外壳。 输送带将食品运送到整个外壳中，通过外壳中的入口和出口。 传送带包括直线路径部分和螺旋路径部分，并且由合适的驱动器驱动，例如接触输送机螺旋路径部分的底层的内部旋转滚筒或环形传动带。 该带包括通过横向杆互连的内部和外部链节。 在从直线路径部分进入螺旋路径部分时，输送带仅经历膨胀，杆的内端仅经历轻微的相对角运动，而杆的外端允许一定量的相对纵向运动 以便允许输送带呈现具有用于螺旋路径的所需曲率半径的弯曲构造。
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公开(公告)号：US4739623A
公开(公告)日：1988-04-26
申请号：US61676
申请日：1987-06-11
CPC分类号： F25D3/11 , B65G2207/24
摘要： A cabinet freezer efficiently utilizes a liquid cryogen refrigerant in conjunction with a spiral conveyor which conveys a product load through a temperature gradient within the freezer. The freezer has a lower inlet and an upper outlet for the conveyor and food load thereon. The escape of cryogen vapors created in the freezer from the liquid cryogen is controlled such that at least about 80% of the vapors exit through the upper outlet which is at the warmest zone established as a part of the temperature gradient in the freezer.
摘要翻译： 机柜式冷冻机有效地利用液体冷冻剂制冷剂与螺旋输送机结合，该输送机将产品负载通过冷冻器内的温度梯度。 冷冻器具有用于输送机的下入口和上出口，并且其上具有食物负载。 控制在冷冻器中从液体冷冻剂中产生的冷冻剂蒸气的逸出，使得至少约80％的蒸气通过作为冷冻器中温度梯度的一部分建立的最高温区域的上部出口排出。
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公开(公告)号：US4356707A
公开(公告)日：1982-11-02
申请号：US229923
申请日：1981-01-30
CPC分类号： F25D3/11 , A23L3/361 , A23L3/375 , F25D16/00 , F25D3/102 , B65G2207/24 , F25D2317/0654 , F25D2317/0664 , F25D2400/20 , F25D25/04 , Y02P60/851
摘要： A cabinet cooler or freezer which efficiently utilizes cryogenic refrigeration either with or without mechanical refrigeration. The freezer intermittently freezes relatively large batches of food by efficiently utilizing the natural expansion effect of a liquid cryogen, in combination with mechanical circulation by blowers, to create an overall circulation that efficiently removes heat from the food. A secondary circulation effect is induced, in a manner similar to the operation of a jet pump, which amplifies the circulation and allows CO.sub.2 to be employed as the cryogen with modulating valve control to achieve uniformly low temperature throughout the cabinet without snow build-up on the cabinet bottom. Some cabinet versions create a cyclonic circulation pattern about a vertical axis that is particularly effective.
摘要翻译： 一个橱柜冷却器或冷柜，可有效地利用低温制冷，无论机械制冷还是机械制冷。 冷冻机通过有效地利用液体冷冻剂的自然膨胀效应与鼓风机的机械循环相结合而间歇地冻结相当大批次的食物，以产生有效地从食物中除去热量的整体循环。 以类似于喷射泵的操作的方式诱导二次循环效应，该喷射泵放大循环并允许使用CO 2作为制冷剂，其具有调节阀控制以在整个机柜中实现均匀的低温，而不积雪 柜底。 一些橱柜版本产生了一个特别有效的垂直轴的气旋循环模式。
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公开(公告)号：US4333318A
公开(公告)日：1982-06-08
申请号：US259968
申请日：1981-05-04
申请人： Lewis Tyree, Jr.
发明人： Lewis Tyree, Jr.
CPC分类号： F25D3/127 , B65G17/064 , B65G17/08 , F25D25/04 , B65G2201/02 , Y10S198/952
摘要： A CO.sub.2 food freezer has an elongated enclosure through which material to be cooled is carried on an endless porous belt conveyor with an upper operating belt run vertically spaced from the lower return run to provide an intermediate region therebetween. Liquid CO.sub.2 injection means is located in an upper region to direct CO.sub.2 snow plus cold CO.sub.2 vapor downward onto material being conveyed. Blowers aimed at an angle of between about 5.degree. and about 35.degree. upward from the horizontal are located in the intermediate region, and fans in the upper region direct CO.sub.2 vapor downward onto material on the belt. The belt includes a plurality of longitudinally spaced transverse rods and a plurality of wire sections that respectively interconnect adjacent rods in pairs. The wire sections are bent so that all segments of wire extending generally between said rods lie in substantially the same plane which constitutes the upper surface of the upper run. The rods effectively deflect cold CO.sub.2 vapor from the blowers upward against the undersurface of material being carried along the belt and assure efficient freezing is accomplished.
摘要翻译： 二氧化碳食品冷冻机具有细长的外壳，要冷却的材料通过该外壳承载在环形多孔带式输送机上，上部操作带与较低的返回行程垂直间隔开，以在其间提供中间区域。 液体二氧化碳注入装置位于上部区域，以将二氧化碳雪和冷二氧化碳蒸气向下引导到被输送的物质上。 从水平面向上倾斜约5°至35°的鼓风机位于中间区域，上部区域的风扇将CO 2蒸气向下蒸发到带上的材料上。 带包括多个纵向间隔开的横向杆和多个线段，其分别互相连接相邻的杆。 电线部分被弯曲，使得大体上在所述杆之间延伸的线的所有部分位于构成上部运行的上表面的基本相同的平面中。 杆有效地将来自鼓风机的冷CO 2蒸汽向上偏压抵靠沿着带运送的材料的下表面，并且确保有效地冷冻。
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