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1. 发明授权

US6117202A Gasket seal for filter unit 失效
标题翻译：过滤器单元的密封垫圈
公开(公告)号：US6117202A
公开(公告)日：2000-09-12
申请号：US273377
申请日：1999-03-22
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： B01D46/42 , F24F13/28 , B01D46/52
CPC分类号： B01D46/0005 , B01D46/10 , B01D46/521 , F24F13/28 , B01D2271/022
摘要： A filter and frame arrangement, e.g., a HEPA type filter/blower unit, has an arrangement for sealing the filter in place to prevent contaminants from leaking around the filter. A secondary seal, e.g., in the form of a gasket, both holds the filter in place in the unit and also seals the space between the primary seal (e.g., gel seal) and the clean space. An extruded gasket seats into a peripheral recess in the frame. This can be removed when the filter needs to be changed out so the filter can be taken out from below and replaced. Then a replacement seal is installed after the new HEPA filter is in position. The gasket seal is as close as possible to the bottom of the frame, i.e., as close to the clean space, so that possible contaminants are prevented from falling into the space below. Instead of an elastomeric gasket, a spring metal gasket can be used, with caulking.
摘要翻译：过滤器和框架布置，例如HEPA型过滤器/鼓风机单元，具有用于将过滤器密封在适当位置以防止污染物在过滤器周围泄漏的布置。二次密封件，例如以垫圈的形式，均将过滤器保持在单元中的适当位置，并且还密封主密封件（例如，凝胶密封件）和清洁空间之间的空间。挤压垫圈位于框架的周边凹槽中。当需要更换过滤器时，可以将其移除，以便可以从下方取出过滤器并进行更换。然后在新的HEPA过滤器就位后安装更换密封件。垫圈密封件尽可能靠近框架的底部，即靠近清洁空间，从而防止可能的污染物落入下面的空间中。代替弹性垫圈，可以使用弹簧金属垫圈，同时具有填缝。

2. 发明授权

US07802443B2 Total room air purification system with air conditioning, filtration and ventilation 有权
标题翻译：总室空气净化系统配有空调，过滤和通风
公开(公告)号：US07802443B2
公开(公告)日：2010-09-28
申请号：US11786946
申请日：2007-04-13
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： F25D23/12
CPC分类号： F24F1/022 , F24F12/006 , F24F2011/0004 , F24F2011/0005 , Y02B30/563
摘要： A self-contained air conditioner unit incorporates an energy recovery ventilator portion that brings about several changes of room air per hour with outdoor fresh air. There is an outdoor air intake plenum which furnishes the fresh air and the condenser air for the condenser coil, and a return air plenum. Air from the room return air plenum is HEPA filtered and conducted to the evaporator coil and evaporator fan, and is supplied back into the conditioned space. The energy recovery ventilator has a counterflow heat exchanger core situated between the return air plenum and the fresh air intake plenum, as well as two ventilation fans, one (or both) of which may be of variable or multiple speed. By controlling the fan speeds, it is possible to produce a neutral pressure, a positive or overpressure, or a negative or underpressure in the conditioned space. The unit can be wheeled into place and installed easily by personnel without special training. The unit can be scaled up in size and capacity for a larger room or whole house applications, or scaled down for smaller rooms or window mounting.
摘要翻译：一个独立的空调机组装有一个能量回收通风机部分，每小时可带来室外空气的室内空气变化。有一个室外进气通风室，为冷凝器盘管提供新鲜空气和冷凝器空气，以及一个回风空气增压室。来自室内的空气返回空气通风室经过HEPA过滤并传导至蒸发器盘管和蒸发器风扇，并被送回调节空间。能量回收通风机具有位于回气室和新鲜空气进气室之间的逆流热交换器芯，以及两个通风扇，一个（或两个）可以具有可变或多速。通过控制风扇速度，可以在空调空间中产生中性压力，正压或过压，负压或负压。该单位可以轮船到位，并且人员轻松安装，无需特别训练。该单位可以在更大的房间或整个房屋应用中进行尺寸和容量的扩大，或者缩小房间或安装窗户。

3. 发明授权

US5225167A Room air sterilizer 失效
标题翻译：室内空气消毒器
公开(公告)号：US5225167A
公开(公告)日：1993-07-06
申请号：US815936
申请日：1991-12-30
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： A61L9/20 , F24F3/16 , F24F7/013
CPC分类号： A61L9/20 , F24F3/16 , F24F7/013 , F24F2003/1667
摘要： A room air sterilizer mounts on the wall of the room and traps airborne particulate in a HEPA filter. An ultraviolet germicidal lamp destroys any biocontamination on the trapped particulates. The sterilizer has an elongated vertical housing with a return air grille near or at its lower end and a HEPA filter assembly disposed at an outflow port at its upper end. The HEPA filter is preferably a quarter cylinder and the sterilizer lamp is situated to expose the inner or intake side of the filter to the sterilizing ultraviolet radiation. A prefilter can be situated ahead of the blowers for the sterilizer, and can have an associated ultraviolet sterilizer lamp.
摘要翻译：室内空气消毒器安装在房间的墙壁上，并在HEPA过滤器中捕集空气中的颗粒物。紫外线杀菌灯会破坏被捕获的颗粒物上的任何生物污染物。灭菌器具有细长的垂直壳体，其附近或其下端具有返回空气格栅，以及设置在其上端处的流出口处的HEPA过滤器组件。 HEPA过滤器优选为四分之一圆筒，灭菌灯位于将过滤器的内部或进气侧暴露于灭菌紫外线辐射。预过滤器可以位于灭菌器的鼓风机之前，并且可以具有相关联的紫外线杀菌灯。

4. 发明申请

US20080250800A1 Total room air purification system with air conditioning, filtration and ventilation 有权
标题翻译：总室空气净化系统配有空调，过滤和通风
公开(公告)号：US20080250800A1
公开(公告)日：2008-10-16
申请号：US11786946
申请日：2007-04-13
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： F25D17/06
CPC分类号： F24F1/022 , F24F12/006 , F24F2011/0004 , F24F2011/0005 , Y02B30/563
摘要： A self-contained air conditioner unit incorporates an energy recovery ventilator portion that brings about several changes of room air per hour with outdoor fresh air. There is an outdoor air intake plenum which furnishes the fresh air and the condenser air for the condenser coil, and a return air plenum. Air from the room return air plenum is HEPA filtered and conducted to the evaporator coil and evaporator fan, and is supplied back into the conditioned space. The energy recovery ventilator has a counterflow heat exchanger core situated between the return air plenum and the fresh air intake plenum, as well as two ventilation fans, one (or both) of which may be of variable or multiple speed. By controlling the fan speeds, it is possible to produce a neutral pressure, a positive or overpressure, or a negative or underpressure in the conditioned space. The unit can be wheeled into place and installed easily by personnel without special training. The unit can be scaled up in size and capacity for a larger room or whole house applications, or scaled down for smaller rooms or window mounting.
摘要翻译：一个独立的空调机组装有一个能量回收通风机部分，每小时可带来室外空气的室内空气变化。有一个室外进气通风室，为冷凝器盘管提供新鲜空气和冷凝器空气，以及一个回风空气增压室。来自室内的空气返回空气通风室经过HEPA过滤并传导至蒸发器盘管和蒸发器风扇，并被送回调节空间。能量回收通风机具有位于回气室和新鲜空气进气室之间的逆流热交换器芯，以及两个通风扇，一个（或两个）可以具有可变或多速。通过控制风扇速度，可以在空调空间中产生中性压力，正压或过压，负压或负压。该单位可以轮船到位，并且人员轻松安装，无需特别训练。该单位可以在更大的房间或整个房屋应用中进行尺寸和容量的扩大，或者缩小房间或安装窗户。

5. 发明授权

US5987908A Self-contained air conditioner with discharge-air filter 失效
标题翻译：独立空调带排气过滤器
公开(公告)号：US5987908A
公开(公告)日：1999-11-23
申请号：US229051
申请日：1999-01-11
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： F24F1/02 , F24F3/16 , F25D23/12
CPC分类号： F24F1/027 , F24F3/1603 , F24F2003/1667 , F24F2011/0004 , F24F2221/14 , Y10S62/16
摘要： A ceiling or overhead air conditioner unit is configured to fit into a standard space, e.g., two-foot by four-foot, in a dropped ceiling. The unit can be a self-contained air conditioning unit with HEPA filter, or an air conditioner attachment adapted to fit onto a blower and filter assembly. The positions of the condenser air intake and outlet can be field-selected at either the end, the top, or the side, e.g., using a movable plate. The evaporator return inlet can similarly be field-selected at the top, side, or end. The return bypass inlet can be field-selected at the side or top. The room air intake can be connected by a duct either to outside air or to an intake air grille in the ceiling. The air conditioning attachment unit that fits an existing or available ceiling mounted filter and blower assembly has its condenser section on one side of the unit, and its evaporator section at the other side, guiding conditioned air into a centrally situated cool air plenum. Bypass air is supplied to the plenum to mix with the conditioned air. Dampers and ducting permit the environment to be maintained at overpressure or underpressure, as needed for a given application. The unit can be coupled to additional client filter and blower assemblies.
摘要翻译：天花板或架空空调装置被配置成在落下的天花板中装入标准空间，例如两英尺乘四英尺。该设备可以是带有HEPA过滤器的独立空调机组，也可以是适合安装在鼓风机和过滤器组件上的空调机。冷凝器进气和出口的位置可以在端部，顶部或侧面进行现场选择，例如使用可移动板。蒸发器返回入口可以类似地在顶部，侧面或端部进行现场选择。返回旁路入口可以在侧面或顶部进行现场选择。室内进气口可以通过管道连接到外部空气或天花板上的进气格栅。适合现有或可用的天花板安装的过滤器和鼓风机组件的空调附接单元在其一侧具有其冷凝器部分，并且其另一侧的蒸发器部分将调节空气引导到位于中心的冷空气通风室中。旁路空气被供应到通风室以与调节的空气混合。阻尼器和管道允许环境保持在超压或负压下，根据给定的应用需要。该单元可以连接到附加的客户端过滤器和鼓风机组件。

6. 发明授权

US5884500A Self-contained air conditioner with discharge-air filter 失效
公开(公告)号：US5884500A
公开(公告)日：1999-03-23
申请号：US937946
申请日：1997-09-25
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： F24F1/02 , F24F3/16 , F25D23/12
CPC分类号： F24F3/1603 , F24F1/027 , F24F2011/0004 , F24F2221/14
摘要： A ceiling or overhead air conditioner unit is configured to fit into a standard space, e.g., two-foot by four-foot, in a dropped ceiling. The unit can be a self-contained air conditioning unit with HEPA filter, or an air conditioner attachment adapted to fit onto a blower and filter assembly. The positions of the condenser air intake and outlet can be field-selected at either the end, the top, or the side, e.g., using a movable plate. The evaporator return inlet can similarly be field-selected at the top, side, or end. The return bypass inlet can be field-selected at the side or top. The room air intake can be connected by a duct either to outside air or to an intake air grille in the ceiling. The air conditioning attachment unit that fits an existing or available ceiling mounted filter and blower assembly has its condenser section on one side of the unit, and its evaporator section at the other side, guiding conditioned air into a centrally situated cool air plenum. Bypass air is supplied to the plenum to mix with the conditioned air. Dampers and ducting permit the environment to be maintained at overpressure or underpressure, as needed for a given application. The unit can be coupled to additional client filter and blower assemblies.

7. 发明授权

US07251953B2 Environmental control unit for hospital room 有权
标题翻译：医院室环境控制单位
公开(公告)号：US07251953B2
公开(公告)日：2007-08-07
申请号：US11188188
申请日：2005-07-22
申请人： Michael L. Wetzel , Lawrence E. Wetzel
发明人： Michael L. Wetzel , Lawrence E. Wetzel
IPC分类号： F25D17/06
CPC分类号： F24F3/161 , F24F1/025 , F24F2003/1667 , F24F2011/0004 , F24F2011/0005
摘要： An air conditioner and filtering unit produces a positive or negative pressure to create an isolation space. A common air intake plenum has first and second inlets for admitting return air from the space or outside air which may be from a building main A/C system supply. Sanitized, cleaned and conditioned air is returned to the conditioned space; and condenser air is exhausted outside the conditioned space. The air intake plenum may be common to both the condenser air flow and to the evaporator air flow. A HEPA filter cleans the air suppled to both the condenser and the evaporator. A slide damper or other arrangement selectively opens and closes air flow through the first and second air inlets into the common intake plenum. This permits creation of overpressure, underpressure, or an intermediate pressure in the conditioned space. All air supplied to the room and all air exhausted from the room is cleaned and sanitized. The unit is self-contained and portable.
摘要翻译：空调和过滤单元产生正压或负压以产生隔离空间。常见的进气增压室具有第一和第二入口，用于从空间或外部空气中接收可能来自建筑物主A / C系统供应源的回流空气。消毒，清洁和调节空气返回到空调空间; 并且冷凝器空气在调节空间外排出。进气增压室对于冷凝器空气流和蒸发器气流都是共同的。 HEPA过滤器清洁供应到冷凝器和蒸发器的空气。滑动阻尼器或其他装置选择性地打开和关闭通过第一和第二空气入口的空气流入共同的进气室。这允许在调节空间中产生超压，负压或中间压力。所有供应到房间的空气和从房间排出的所有空气都被清洁和消毒。该装置是独立的和便携式的。

8. 发明授权

US4765810A Testable gasket seal arrangement 失效
标题翻译：可测密封圈密封装置
公开(公告)号：US4765810A
公开(公告)日：1988-08-23
申请号：US59505
申请日：1987-06-08
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： B01D46/42 , F24F13/28 , B01D53/30
CPC分类号： F24F13/28 , B01D46/42 , B01D2271/02 , B01D2273/18
摘要： A selective fluid flow control device has a control element which is held in sealing relationship with a housing, with first and second seals being formed to confine the fluid flow through the control element. The first and second seals define a sealed chamber from which the fluid is excluded, and a gas conduit communicates between outside of the housing and the sealed chamber for applying a test pressure to the chamber to test the quality of these seals. In a preferred embodiment, the selective fluid control device is a filter arrangement for a clean room or the like, and the seals are formed against the filter gasket by a seating arrangement formed of an extruded rail that has a web and first and second ribs, the ribs being biased against the gasket.
摘要翻译：选择性流体流量控制装置具有与壳体保持密封关系的控制元件，第一和第二密封件形成为限制流体流过控制元件。第一和第二密封件限定一个密封室，排除流体，并且气体管道在壳体外部和密封室之间连通，用于向腔室施加测试压力以测试这些密封件的质量。在优选实施例中，选择性流体控制装置是用于洁净室等的过滤器装置，并且密封件通过由具有腹板和第一和第二肋条的挤出轨道形成的座位装置形成在过滤器垫圈上，肋被偏置抵靠垫圈。

9. 发明授权

US4667580A Clean room module 失效
标题翻译：洁净室模块
公开(公告)号：US4667580A
公开(公告)日：1987-05-26
申请号：US841674
申请日：1986-03-19
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： F24F3/16 , F24F1/02
CPC分类号： F24F3/161
摘要： A pre-assembled, self-contained clean room module having everything necessary for maintaining the cleanliness, temperature, humidity and pressurization required for the work space within the room. Because the module is factory built rather than built on site, precise quality control can be achieved and each module can be thoroughly tested before shipment. The module is provided with its own sealed base unit which permits it to be moved or relocated without having to be disassembled, and also insures that the module will have a completely sealed sump area beneath its floor. The module is also provided with its own self-contained air conditioning unit which has two independent air systems or paths whereby only a portion of the recirculating air need be conditioned.
摘要翻译：一个预组装的，独立的洁净室模块，具有维护室内工作空间所需的清洁度，温度，湿度和加压所需的一切。由于该模块是工厂内置而不是现场构建，因此可以实现精确的质量控制，并在出货前对每个模块进行彻底测试。该模块设置有自己的密封基座单元，允许其移动或重新定位而不必拆卸，并且还确保模块将在其底部下方具有完全密封的储槽区域。该模块还设有自己独立的空调单元，该单元具有两个独立的空气系统或路径，由此只有一部分循环空气需要调节。

10. 发明授权

US4519301A Air flow balancing fire damper 失效
标题翻译：气流平衡防火阀
公开(公告)号：US4519301A
公开(公告)日：1985-05-28
申请号：US570090
申请日：1984-01-12
申请人： Lawrence E. Wetzel
发明人： Lawrence E. Wetzel
IPC分类号： A62B23/04 , A62C2/20 , E05F15/20
CPC分类号： A62B23/04 , A62C2/20 , Y10T137/1819
摘要： This device is for balancing air flow and the dispersion of air around duct throats, and is particularly adapted for already manufactured filter modules and ceiling air conditioning diffusers, where concern for spreading fire through the openings is involved. Primarily, it consists of a core assembly for the filter module hood. The assembly includes a mounted bolt and a pair of perforate discs, which will serve as a flame barrier automatically, when fire is present, and the assembly further includes a low melting point solder for its automatic operation.
摘要翻译：该装置用于平衡气流和管道喉管周围空气的分散，并且特别适用于已经制造的过滤器模块和天花板空调扩散器，其中涉及通过开口扩散火焰。主要由滤芯组件罩组成。组件包括安装的螺栓和一对穿孔盘，当存在火灾时，其将自动地用作阻火挡板，并且组件还包括用于其自动操作的低熔点焊料。

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