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71. 发明授权

US4409890A Fume cupboard 失效
标题翻译：通风柜
公开(公告)号：US4409890A
公开(公告)日：1983-10-18
申请号：US261395
申请日：1981-05-07
申请人： Archibald L. Longworth
发明人： Archibald L. Longworth
IPC分类号： B08B15/02 , F23J11/00
CPC分类号： B08B15/023
摘要： A fume cupboard with a ventilated enclosure having an access opening along an edge of which is a cowling for improving containment of the cupboard. The cowling is shaped such that there is a streamlined air flow over the cowling into the enclosure the cowling having a sloped portion extending into the enclosure over which the streamlined flow is divergent with respect to the main air flow into the enclosure. The cowling is positioned such that an air flow channel is defined between the cowling and the edge. The air passing through the channel into the enclosure as well as the streamlined air flow over the cowling avoid the production of eddies at the edge of the enclosure and co-operate to produce a non-turbulent air stream passing into the enclosure and opposing outward movement of eddies within the cupboard.
摘要翻译：具有通风外壳的通风柜具有沿其边缘的进入开口，其是用于改善橱柜容纳的整流罩。整流罩的形状使得在整流罩之间存在流线型空气流入外壳中，整流罩具有延伸到外壳中的倾斜部分，流线型流动相对于进入外壳的主空气流在该空气流中发散。整流罩定位成使得在整流罩和边缘之间限定空气流动通道。通过通道进入外壳的空气以及整流罩上的流线型空气流避免了在外壳边缘产生涡流并且协同工作以产生通过外壳的非湍流空气流并且向外移动在橱柜内的涡流。

72. 发明授权

US4215627A Energy conserving laboratory hood system 失效
标题翻译：节能实验室罩系统
公开(公告)号：US4215627A
公开(公告)日：1980-08-05
申请号：US16
申请日：1978-12-29
申请人： John E. Garriss
发明人： John E. Garriss
IPC分类号： B08B15/02 , F23J11/00
CPC分类号： B08B15/023 , Y10S118/07 , Y10T137/87981
摘要： An energy saving ambient pressure compensating laboratory fume hood system which provides safe, economical constant-velocity hood intake at all positions of hood access-opening and regardless of ambient pressure changes by means, in typical embodiment, of coacting cam and venturi structure linked to the hood sash.
摘要翻译：一种节能环境压力补偿实验室通风柜系统，其在发动机罩开启的所有位置处提供安全，经济的恒速罩进气口，并且在典型的实施例中，通过连接到敞篷腰带

73. 发明授权

US4211154A Apparatus for improving the collection of gases into a suction orifice 失效
标题翻译：用于改善将气体收集到吸入口中的装置
公开(公告)号：US4211154A
公开(公告)日：1980-07-08
申请号：US943791
申请日：1978-09-20
申请人： Marion L. Eakes
发明人： Marion L. Eakes
IPC分类号： B08B15/02 , F24C15/20 , F23J11/00
CPC分类号： B08B15/023 , B08B15/02 , F24C15/20 , Y10S55/36
摘要： Gases such as contaminated exhaust or stale air are induced toward a suction orifice by means of an air nozzle spaced from the orifice and pointing generally in the direction thereof to generate a Venturi effect on the gases at considerable distances from the suction orifice. An auxiliary plate extending generally parallel to and spaced slightly from the exposed wall of the air nozzle has one edge thereof positioned at a point farther away from the suction orifice than the outlet of the air nozzle, so that a secondary Venturi is generated and the capture point of the gases being collected is effectively moved further away from the suction orifice thereby improving the collection effect of the orifice.
摘要翻译：诸如污染的排气或陈旧的空气的气体通过与孔口间隔开的空气喷嘴而被引向吸入口，并且大体上指向其方向，以在与吸入口相当距离的气体上产生文丘里效应。大致平行于空气喷嘴的露出壁平行延伸并且间隔开的辅助板，其一个边缘位于比空气喷嘴的出口更远离抽吸孔的点处，从而产生二次文氏管并且捕获被收集的气体的位置被有效地移动到远离抽吸孔，从而提高孔的收集效果。

74. 发明授权

US4023473A Fume hood 失效
标题翻译：通风柜
公开(公告)号：US4023473A
公开(公告)日：1977-05-17
申请号：US683918
申请日：1976-05-06
申请人： Walter Russell
发明人： Walter Russell
IPC分类号： B08B15/02 , F23J11/00
CPC分类号： B08B15/023 , Y10S55/18
摘要： A fume hood is provided having an air intake and an air exhaust communicating with each other through the interior of a fume hood cabinet by way of a by-pass passageway and open front on said cabinet. A plurality of sashes are carried by track means which enable them to move selectively horizontally relative to each other across the open front of the fume hood cabinet to variably open and close the same selectively and relative to the open front. Means connected to the sashes provided for coincidental selective movement therewith to variably close and open the communication of air between the air intake and air exhaust through the by-pass passageway of the fume hood cabinet according to the selective movement of said sashes.
摘要翻译：通风柜设有进气口和通过通风柜内部通过旁通通道和敞开的前部在所述机柜上相互连通的排气口。多个窗扇由轨道装置承载，使得它们能够相对于彼此跨过通风橱柜的敞开的前部水平地选择性地移动，以可选地打开和关闭相对于敞开前部的孔。根据所述窗扇的选择性运动，连接到窗扇的连接件用于巧合的选择性运动，以可变地关闭和打开通过通风橱柜的旁路通道的进气口和排气之间的空气的连通。

75. 发明授权

US3944405A Down-flow chamber 失效
标题翻译：下流室
公开(公告)号：US3944405A
公开(公告)日：1976-03-16
申请号：US418940
申请日：1973-11-26
申请人： Francois Adriaan VAN Calsteren , Willem Pieter Hiestand
发明人： Francois Adriaan VAN Calsteren , Willem Pieter Hiestand
IPC分类号： F24F7/06 , B01L1/00 , B08B15/02 , B25H1/20 , C12M1/00 , F24F3/16 , B01D46/00
CPC分类号： B08B15/023 , B25H1/20 , F24F3/1607 , B08B2215/003 , Y10S55/29
摘要： A down-flow chamber in which, from a filter in the ceiling of a working room, a germfree and dustfree flow of air is directed downwardly to a working face that is surrounded by walls with exhaust openings for the flow of air at the edges and in which, at the front, a transparent wall is mounted. Between the lower edge of the transparent wall and an exhaust grid in front of the working face there is a vertical opening of such a height that arms can be put through the opening to be able to carry out operations in the working room, wherein at the lower edge of the transparent wall a flexible lid preferably of smooth plastics material is mounted that is hanging down and is substantially extending to the exhaust grid. Further, a device is provided on the chamber that prevents the lid from moving outwardly from the vertical plane through the opening.
摘要翻译：下流室，其中从工作室的天花板中的过滤器将无菌和无尘的空气流向下引导到工作面，该工作面被具有用于边缘空气流动的排气口的壁围绕，其中，在前面安装有透明壁。在透明壁的下边缘与工作面前方的排气格栅之间，有一个这样一个高度的垂直开口，这样一个高度使臂可以穿过开口，以便能够在工作室中进行操作，其中在透明壁的下边缘是柔性盖，其优选地是平滑的塑料材料，其被垂直安装并且基本上延伸到排气栅格。此外，在室上设置有防止盖从垂直平面通过开口向外移动的装置。

76. 发明授权

US3941040A Fume hood 失效
标题翻译：通风柜
公开(公告)号：US3941040A
公开(公告)日：1976-03-02
申请号：US549349
申请日：1975-02-12
申请人： Arthur W. Carlson
发明人： Arthur W. Carlson
IPC分类号： B08B15/02 , F23J11/00
CPC分类号： B08B15/023 , Y10S55/18
摘要： A fume hood includes a polygonal-shaped work top providing three or more equally-spaced work areas. A tubular column with a lower apertured portion is located at the center of the work top for exhausting heavier-than-air gases. A plenum located above the work top and supported by the tubular column is provided with slots located above the work openings for collecting and exhausting lighter-than-air gases. Transparent viewing screens permit inspection of all work locations from a single vantage point. A central pedestal is used to support the hood and to route plumbing and electrical conduits from the floor. The system is easily convertible between up-draft and down-draft exhaust without the need for special baffles.
摘要翻译：通风橱包括提供三个或更多等间隔工作区域的多边形工作台面。具有较低开孔部分的管柱位于工作顶部的中心，用于排出比重大于空气的气体。位于工作台上方并由管柱支撑的增压室设置有位于工作开口上方的用于收集和排出轻质空气气体的槽。透明的查看屏幕允许从单个有利位置检查所有工作地点。中央支座用于支撑发动机罩，并将管道和电气管道从地板上排出。该系统可以在升压和下降排气之间轻松转换，而无需特殊的挡板。

77. 发明授权

US3914372A Process for the preparation of labelled compounds 失效
标题翻译：标记化合物的制备方法
公开(公告)号：US3914372A
公开(公告)日：1975-10-21
申请号：US30903072
申请日：1972-11-24
申请人： SINLOIHI CO LTD
发明人： TAKAGI MASARU
IPC分类号： B08B15/02 , G21F9/00 , C01G56/00
CPC分类号： B08B15/023 , G21F9/001 , Y02P20/582
摘要： In a hermetically sealed hood provided with recycle and recovery apparatus a labelled compound is obtained by adsorbing and releasing a gaseous radioisotope under vacuum in a reaction system incorporated with vials containing adsorbents thereby to bring said gas into contact with a compound to be labelled and to recover the gas remaining in the system by adsorbents or reacting agents, and removing a vial of products and a recovery vial of unreacted gases by sealing under vacuum. The gaseous radioisotope used in said preparation of the labelled compound is itemized by applying the principle of adsorption and release and the removal by seal under vacuum mentioned above to capillary apparatus connected with said gas ampoule and a plural of recovery vials.
摘要翻译：在设置有再循环和回收装置的密封罩中，通过在包含吸附剂的小瓶的反应系统中真空吸附和释放气体放射性同位素获得标记化合物，从而使所述气体与待标记的化合物接触并回收通过吸附剂或反应剂在系统中残留的气体，以及在真空下密封除去一小瓶产物和未反应气体的回收小瓶。在所述制备标记化合物中使用的气体放射性同位素通过将吸附和释放原理以及通过上述真空下的密封移除到与所述气体安瓿连接的毛细管装置和多个回收小瓶进行分类。

78. 发明授权

US3897721A Fumehood with compensating air supply 失效
标题翻译：具有补偿供气的通风柜
公开(公告)号：US3897721A
公开(公告)日：1975-08-05
申请号：US48551474
申请日：1974-07-03
申请人： ROCHELLE CORP
发明人： FUHST WARREN
IPC分类号： B08B15/02 , F23J11/00 , B01D51/00
CPC分类号： B08B15/023 , B08B2215/003 , Y10S55/29
摘要： The fumehood of this invention is so constructed that 70 or 80 percent of the hood exhaust is supplied to the interior of the hood from an outside air source and the other 20 to 30 percent of the hood exhaust is supplied from the room in which the hood is used. A constant volume of outside, low pressure air is supplied to the top of the hood while compensating louvers through the front of the hood are positioned to provide a deflected air stream down the face or front of the door. The flow of high volume, low velocity, outside air toward and into the hood chamber is adjusted by louvers to equalize all flow and permit very light or fragile materials to be treated within the hood without blowing from their supported condition particularly when the door is opened. The exhaust flow is high velocity to insure a positive inward flow to prevent accidental or unwanted blow back onto persons working at or near the hood. The door which is moved to open and close the access opening into the hood carries a deflector which is hinged at its upper end and its lower end is guided and carried by a track so that the make up air is deflected inwardly from the lower edge of the door in an automatically increased or decreased condition as the door is opened and closed.
摘要翻译：本发明的通风装置是这样构造的，其中70％或80％的机罩排气口从外部空气源供应到发动机罩的内部，另外20％到30％的发动机罩排气由罩子用来。将恒定体积的外部低压空气供应到罩的顶部，同时通过罩的前部补偿百叶窗来定位以在门的面部或前部提供偏转的空气流。通过百叶窗调节大容量，低速度，外部空气朝向和进入发动机罩室的流动，以均衡所有流动，并允许在发动机罩内处理非常轻或易碎的材料，而不会从其支撑状态吹出，特别是当门打开时。排气流是高速的，以确保向内的正向流动，以防止意外或不必要的吹回到在罩子上或附近工作的人员。被移动以将进入开口打开并关闭到罩中的门带有偏转器，该偏转器在其上端铰接，并且其下端由轨道引导和承载，使得补充空气从下边缘向内偏转当门打开和关闭时，门处于自动增加或减少的状态。

79. 发明授权

US3745908A Hood 失效
标题翻译： HOOD
公开(公告)号：US3745908A
公开(公告)日：1973-07-17
申请号：US3745908D
申请日：1971-08-13
申请人： MAY RICH SPECIALTY CO
发明人： MAYBERRY L
IPC分类号： B08B15/02 , F23J11/00
CPC分类号： B08B15/023
摘要： Air is circulated through an area overlying a predetermined portion of a horizontal work surface such as a laboratory table while both enclosing confinement of the area and opening thereof to receive portions of objects supported in part by other portions of the work surface are selectively accommodated by a hood having movable side panels. In another aspect of the invention, a range of selected atmospheric conditions in the area are achieved by controlling the condition of the air being circulated.
摘要翻译：空气通过覆盖水平工作表面的预定部分（例如实验台）的区域循环，同时将区域的封闭限制和其开口部分接收部分由工作表面的其他部分支撑的物体的部分选择性地由罩具有可动侧板。在本发明的另一方面，通过控制正在循环的空气的状况来实现该区域中选定的大气条件的范围。

80. 发明授权

US3713785A Fume exhaust and treating system 失效
标题翻译： FUME排气和处理系统
公开(公告)号：US3713785A
公开(公告)日：1973-01-30
申请号：US3713785D
申请日：1971-01-20
申请人： HYCEL INC
发明人： MORAN J
IPC分类号： B08B15/02 , G01N35/02 , F23J11/00 , B01L1/00 , F23J11/08
CPC分类号： G01N35/021 , B08B15/023
摘要： A FUME EXHAUST AND TREATING SYSTEM HAVING A HOOD FOR RECEIVING FUMES TO BE TREATED AND INCLUDING A CIRCULATING WATER SYSTEM WITH A VENTURI THEREIN AND CONNECTED TO THE HOOD FOR CREATING A VACUUM FOR DRAWING FUMES FROM THE HOOD AND A CONTAINER IN THE CIRCULATING WATER SYSTEM WITH MEANS FOR INJECTING WATER AND A TREATING AGENT INTO THE CONTAINER FOR TREATING THE FUMES AND AN OVERFLOW DRAIN CONNECTED TO THE WATER SYSTEM. A FUME TREATING SYSTEM IN COMBINATION WITH A CHEMICAL TESTING APPARATUS WHICH AUTOMATICALLY PERFORMS CHEMICAL TESTS FOR REMOVING THE NOXIOUS FUMES FROM THE APPARATUS.

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