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21. 发明授权

US5343715A Helical conveyor freezer 失效
标题翻译：螺旋输送机冰柜
公开(公告)号：US5343715A
公开(公告)日：1994-09-06
申请号：US12008
申请日：1993-02-01
申请人： Gary D. Lang
发明人： Gary D. Lang
IPC分类号： A23L3/36 , A23L3/375 , F25D3/11 , F25D13/06 , F25D16/00 , F25B25/00
CPC分类号： A23L3/361 , A23L3/375 , F25D13/067 , F25D16/00 , F25D3/11 , B65G2207/24
摘要： A food freezer for continuous freezing of food products utilizing a helical conveyor for transporting the food products through an enclosure in which the food products are cooled. Mechanical refrigeration apparatus employs a refrigerant to cool an atmosphere gas which is circulated across the food products within the enclosure. The refrigerant is also employed to subcool a cryogen which also cools the same food products.
摘要翻译：一种食品冷冻机，用于使用螺旋输送机连续冷冻食品，以将食品运输通过其中食品被冷却的外壳。机械制冷装置采用制冷剂来冷却围绕外壳内的食品循环的气氛气体。制冷剂也用于冷却也冷却相同食品的冷冻剂。

22. 发明授权

US5195334A Heat exchange apparatus having means for bacterial removal 失效
标题翻译：具有除菌手段的热交换装置
公开(公告)号：US5195334A
公开(公告)日：1993-03-23
申请号：US705119
申请日：1991-05-24
申请人： Gary D. Lang , David F. Giza
发明人： Gary D. Lang , David F. Giza
IPC分类号： F28G1/16
CPC分类号： F28G1/166
摘要： Heat exchange apparatus for food freezer refrigeration units including evaporator coils having liquid santizing spray apparatus mounted for reciprocatory movement across the upstream and downstream faces of the evaporator coils.
摘要翻译：用于食品冷冻机制冷装置的热交换装置包括具有液体喷洒装置的蒸发器盘管，其安装成用于在蒸发器盘管的上游和下游面上的往复运动。

23. 发明授权

US5121611A Refrigeration apparatus and method of refrigeration 失效
标题翻译：制冷装置及制冷方法
公开(公告)号：US5121611A
公开(公告)日：1992-06-16
申请号：US603533
申请日：1990-10-25
申请人： Walter C. Broderdorf , Jose M. N. Camacho , Stephen F. Donohue , Donald S. Finan , Robert J. Ogarek , Martin M. Reynolds , Gary D. Lang
发明人： Walter C. Broderdorf , Jose M. N. Camacho , Stephen F. Donohue , Donald S. Finan , Robert J. Ogarek , Martin M. Reynolds , Gary D. Lang
IPC分类号： A23L3/36 , F25D3/12
CPC分类号： F25D3/127 , A23L3/362
摘要： Refrigeration apparatus for cooling or freezing products such as protein materials includes a drum through which heat transfer fluid is circulated. A belt is wrapped around part of the drum surface and the product to be refrigerated is applied to the drum surface, being pressed thereagainst by the belt. Either liquid or triple point carbon dioxide is circulated through the drum to cool the product in contact therewith. Other heat transfer fluids such as D-Limonene or DOWTHERM may also be circulated through the drum. A tank and related apparatus for cooling the heat transfer fluid is also disclosed.
摘要翻译：用于冷却或冷冻诸如蛋白质材料的产品的制冷装置包括传热流体循环通过的滚筒。皮带被卷绕在滚筒表面的一部分上，并且要冷藏的产品被施加到滚筒表面，并被皮带压在其上。液体或三重点二氧化碳通过鼓循环以冷却与其接触的产品。其它传热流体如D-Limonene或DOWTHERM也可以循环通过滚筒。还公开了用于冷却传热流体的罐和相关装置。

24. 发明授权

US5020330A CO.sub.2 food freezer 失效
标题翻译：二手食品冷冻机
公开(公告)号：US5020330A
公开(公告)日：1991-06-04
申请号：US496457
申请日：1990-03-20
申请人： George D. Rhoades , Gary D. Lang
发明人： George D. Rhoades , Gary D. Lang
IPC分类号： A23L3/36 , F25D3/11 , F25D13/06 , F25D25/04
CPC分类号： F25D13/067 , A23L3/361 , F25D25/04 , F25D3/11 , B65G2207/24
摘要： A food freezer having a thermally insulated enclosure and an endless conveyor having a loading section, a food freezing section and an unloading section. Blowers circulate gas throughout the interior of the enclosure, and devices for injecting liquid CO.sub.2 to preferably cause CO.sub.2 snow particles to impinge upon the food products on the belt are located at selected positions about the belt and may be at various vertical levels, some of which are preferably at least slightly above the belt. By piping the liquid CO.sub.2 so that it flows only upward and/or horizontally toward the spray nozzles within the thermally insulated enclosure, any solid CO.sub.2 that may accumulate adjacent the upstream side of the spray nozzle orifices is melted by CO.sub.2 vapor which gravitates upward in the vertical piping.
摘要翻译：具有绝热外壳的食品冷冻机和具有装载部分，食物冷冻部分和卸载部分的环形输送机。鼓风机将气体循环到外壳的整个内部，并且用于注入液体CO 2以优选地使二氧化碳雪粒子撞击在带上的食品上的装置位于围绕带的选定位置，并且可处于各种垂直水平，其中一些优选地至少稍微高于带。通过管道液体CO 2，使其仅在隔热外壳内的喷嘴上方和/或水平方向流动，可能积聚在喷嘴孔的上游侧的任何固体CO 2都会被CO 2蒸气熔化，CO 2蒸气在垂直管道。

25. 发明授权

US4947654A Liquid cryogen freezer with improved vapor balance control 失效
标题翻译：具有改善蒸气平衡控制的液体冷冻冷冻机
公开(公告)号：US4947654A
公开(公告)日：1990-08-14
申请号：US444015
申请日：1989-11-30
申请人： Brian Evan Sink , Gary D. Lang , Benjamin Zyer
发明人： Brian Evan Sink , Gary D. Lang , Benjamin Zyer
IPC分类号： F25D3/11
CPC分类号： F25D3/11 , B65G2207/24
摘要： A cryogenic freezer apparatus for food products includes a conveyor within a thermally insulated enclosure. A cryogen injecting unit is located in said enclosure adjacent the opening thereof, and responsive to a cryogen control signal for introducing liquid cryogen in said enclosure. A blower unit in said enclosure directs cryogen vapor away from said enclosure opening toward the interior of said enclosure. The output of said blower unit being controllable by a blower control signal. A sensing unit within said enclosure senses the cooling capacity of the cryogen vapor at the enclosure opening and generates a sensor output signal which is indicative of the amount of cryogen vapor escaping out of said opening. A control unit, coupled to said sensing unit, said injecting unit, and to said blower unit generates a cryogen control signal and a blower control signal in response to the sensor output signal. Cryogen vapor escaping from the enclosure is limited to an amount needed to maintain an air lock, thus preventing air intrusion into the enclosure.
摘要翻译：用于食品的低温冷冻装置包括在绝热外壳内的输送机。冷却剂注入单元位于邻近其开口的所述外壳中，并响应于用于将液体冷冻剂引入所述外壳中的冷冻剂控制信号。所述外壳中的鼓风机单元将冷冻剂蒸汽远离所述外壳开口朝向所述外壳的内部。所述鼓风机单元的输出由鼓风机控制信号控制。所述外壳内的感测单元感测在外壳开口处的冷冻剂蒸汽的冷却能力，并且产生一个传感器输出信号，该信号指示从所述开口排出的冷冻剂蒸汽的量。耦合到所述感测单元，所述注入单元和所述鼓风机单元的控制单元响应于传感器输出信号产生冷冻剂控制信号和鼓风机控制信号。从外壳逸出的低温蒸汽被限制在维持气锁所需的量，从而防止空气侵入外壳。

26. 发明授权

US4944162A Helical conveyor food freezer 失效
标题翻译：螺旋输送机食品冷冻机
公开(公告)号：US4944162A
公开(公告)日：1990-07-31
申请号：US432594
申请日：1989-11-07
申请人： Gary D. Lang , Brian E. Sink
发明人： Gary D. Lang , Brian E. Sink
IPC分类号： B65G17/06 , F25D25/04
CPC分类号： B65G17/062 , F25D25/04 , B65G2201/02 , B65G2207/24
摘要： A freezer includes an insulated enclosure for maintaining low temperatures therewithin and a conveyor belt that carries food products throughout the enclosure. The conveyor belt includes a straight-line path section and at least one helical path section and is driven by vertical drive elements carried by a rotating drum about which the conveyor helical path section is located. Upon entering a helical path section from a straight-line path section, the conveyor belt undergoes expansion only, with the inner ends of its transverse rods maintaining a precise spacing which allows smooth interengagement between heads at the inboard ends of the rods and the leading surfaces of the vertical drive elements that are located along the circumference of the rotating drum which defines the curved helical path. Because of the improved arrangement, both an ascending helical path and a descending helical path can be established within a single freezer with both rotating drums simply driven by a single motor.
摘要翻译：冷冻器包括用于保持其中的低温的绝缘外壳和在整个外壳内运送食品的输送带。传送带包括直线路径部分和至少一个螺旋路径部分，并且由垂直驱动元件驱动，垂直驱动元件由旋转鼓承载，输送机螺旋路径部分围绕该转动鼓定位。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，其横向杆的内端保持精确的间隔，这允许在杆的内侧端部和前表面之间的头部之间的平滑相互接合沿着限定弯曲螺旋路径的旋转鼓的圆周设置的垂直驱动元件。由于改进的布置，可以在单个冷冻机内建立上升螺旋路径和下降螺旋路径，其中两个旋转滚筒仅由单个马达驱动。

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