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1. 发明授权

US5088149A Vacuum powered scrub head 失效
标题翻译：真空动力清洗头
公开(公告)号：US5088149A
公开(公告)日：1992-02-18
申请号：US562800
申请日：1990-08-06
申请人： David W. Berg , David J. Brenner , Ronald W. Lehman , Bruce W. Forsman
发明人： David W. Berg , David J. Brenner , Ronald W. Lehman , Bruce W. Forsman
IPC分类号： A47L7/00 , A47L9/04
CPC分类号： A47L9/0416 , A47L7/0009 , A47L7/0042
摘要： An improved scrub head for a cleaning wand to be used with a floor cleaning machine. The scrub head is supplied with vacuumized air and pressurized cleaning solution through the wand from the machine. The scrub head has a nozzle for applying cleaning solution to the floor, a powered rotating tool such as a brush or a pad for scrubbing the floor, and a vacuum pickup shoe or squeegee for picking up soiled cleaning solution. The squeegee, when used, has flexible lips of a novel and improved design. The rotating tool is driven by an air turbine which takes in its air from essentially clean ambient atmosphere, and a valve selectively and automatically connects the vacuumized air to either the turbine outlet, thus causing the turbine and tool to rotate for scrubbing the floor, or to the pickup shoe or squeegee for picking up soiled cleaning solution and debris.
摘要翻译：一种改进的清洁棒，用于与地板清洁机一起使用的清洁棒。洗涤头通过来自机器的魔杖供应真空空气和加压清洁溶液。擦洗头具有用于将清洁溶液施加到地板上的喷嘴，用于擦洗地板的诸如刷子或垫的动力旋转工具，以及用于拾取污染的清洁溶液的真空拾取鞋或刮板。刮刀在使用时具有柔软的嘴唇，具有新颖和改进的设计。旋转工具由空气涡轮机驱动，该空气涡轮机从基本上清洁的环境大气中吸入其空气，并且阀选择性地并且自动地将抽空的空气连接到涡轮机出口，从而使涡轮机和工具旋转以洗涤地板，或到拾取鞋或刮板上拾取脏污的清洁溶液和碎屑。

2. 发明授权

US07025834B2 Retractable broom and dust skirt 有权
标题翻译：伸缩扫帚和防尘裙
公开(公告)号：US07025834B2
公开(公告)日：2006-04-11
申请号：US10235965
申请日：2002-09-04
申请人： Daniel L. Joynt , Ronald W. Lehman , Larry D. Wydra
发明人： Daniel L. Joynt , Ronald W. Lehman , Larry D. Wydra
IPC分类号： E01H1/08
CPC分类号： E01H1/0845 , E01H1/042 , E01H1/053 , E01H1/0854
摘要： A gutter broom assembly for a street sweeper and method of use are disclosed. The invention relates to street sweeper having a vacuum system for moving air through a portion thereof and having a gutter broom assembly. The gutter broom assembly includes housing, a gutter broom being movable between an operational orientation and a transport orientation relative to the housing, and a skirt assembly attached to the housing. A sweeping chamber is defined within the housing and the skirt assembly which substantially encloses the gutter broom. A vacuum connection between the sweeping chamber and the vacuum system is provided for removing dust within the sweeping chamber when the gutter broom frame is in its operational orientation.
摘要翻译：公开了一种用于街道清扫机和使用方法的沟槽扫帚组件。本发明涉及具有用于使空气通过其一部分并具有沟槽扫帚组件的真空系统的清扫车。沟槽扫帚组件包括壳体，沟槽扫把可在相对于壳体的操作方向和输送方向之间移动，以及连接到壳体的裙部组件。清洁室限定在壳体和裙部组件内，其基本上围绕天沟扫帚。清扫室和真空系统之间的真空连接被提供用于当天沟扫帚框架处于其操作方向时去除扫掠室内的灰尘。

3. 发明授权

US5996173A Increased litter storage for vacuum trash collector 失效
标题翻译：真空垃圾收集器的垃圾储存量增加
公开(公告)号：US5996173A
公开(公告)日：1999-12-07
申请号：US94760
申请日：1998-06-15
申请人： Gregory J. Engel , Ronald W. Lehman
发明人： Gregory J. Engel , Ronald W. Lehman
IPC分类号： E01H1/04 , E01H1/08 , A47L9/00
CPC分类号： E01H1/047 , E01H1/0836
摘要： A vacuum trash collection vehicle includes a frame with facilities for debris collection mounted on the frame which include a debris canister. There is a cover for the canister and there is a vacuum fan in the cover. A debris collection hose is connected to the cover and is in communication with the vacuum fan whereby vacuum is applied to the hose. There is a boom for supporting the hose and a driver control for manipulating the hose for debris collection. The debris canister is pivotally mounted on the frame and there are side-by-side debris collection containers positioned within the canister. A deflector plate is mounted above the debris canister to direct debris passing from the hose and into the cover toward both of the side-by-side debris collection containers.
摘要翻译：真空垃圾收集车辆包括具有安装在框架上的碎屑收集设备的框架，该框架包括碎屑罐。罐子有一个盖子，盖子上有一个真空风扇。碎片收集软管连接到盖子并与真空风扇连通，从而将真空施加到软管上。用于支撑软管的起重臂和用于操纵软管以用于碎片收集的驱动器控制器。碎屑罐枢转地安装在框架上，并且存在位于罐内的并排的碎屑收集容器。偏转板安装在碎屑罐上方，以引导碎屑从软管穿过并朝向并排的碎屑收集容器进入盖子。

4. 发明授权

US06428590B1 Filter system for mobile debris collection machine 有权
标题翻译：移动碎片收集机过滤系统
公开(公告)号：US06428590B1
公开(公告)日：2002-08-06
申请号：US09476563
申请日：2000-01-03
申请人： Ronald W. Lehman , Gregory J. Engel
发明人： Ronald W. Lehman , Gregory J. Engel
IPC分类号： B01D5000
CPC分类号： E01H1/0827 , Y10S55/02 , Y10S55/03
摘要： A mobile debris collection machine which has an improved filter system includes a chassis, wheels for supporting the chassis, an operator controlled debris pickup on the chassis and a debris container on the chassis. There is a vacuum system for carrying debris from the pickup to the container, with the vacuum system including a vacuum fan located above the debris container for creating an air stream that moves dust and debris from the pickup toward the container. A filter system for removing dust and debris from the airstream includes a first filter stage formed of a rotating perforated member, a second filter stage that is located downstream of the vacuum fan and includes a mesh filter bag, and a third filter stage, located downstream from the second filter stage and including a pleated panel filter.
摘要翻译：具有改进的过滤系统的移动碎片收集机包括底架，用于支撑底盘的轮子，底盘上的操作者控制的碎屑拾取器和底盘上的碎屑容器。存在用于将拾取器携带碎屑的真空系统传送到容器，真空系统包括位于碎片容器上方的真空风扇，用于产生将灰尘和碎屑从拾取器移向容器的空气流。用于从气流中除去灰尘和碎屑的过滤系统包括由旋转穿孔构件形成的第一过滤器台，位于真空风扇下游的第二过滤器台，并且包括网过滤袋，以及位于下游的第三过滤器从第二过滤器阶段并且包括打褶的面板过滤器。

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