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1. 发明授权

US09683451B2 Seal assembly for arranging between a stator and a rotor 有权
公开(公告)号：US09683451B2
公开(公告)日：2017-06-20
申请号：US14759157
申请日：2013-01-04
申请人： United Technologies Corporation
发明人： Masayoshi Sonokawa , Russell B. Witlicki
IPC分类号： F16J15/34 , F02C7/28 , F01D11/00
CPC分类号： F01D11/003 , F02C7/28 , F05D2240/55 , F16J15/3436 , F16J15/3452 , F16J15/3464 , F16J15/3472
摘要： A seal assembly is provided that extends along an axial centerline. The seal assembly includes a seal support, a seal housing, a plurality of torque pins and a plurality of stopper collars. The seal housing includes a plurality of slots arranged circumferentially around the centerline. The slots extend axially through the seal housing, and one or more of the slots has a lateral slot width. The torque pins are connected to the seal support. Each of the torque pins respectively extends axially through a uniquely associated one of the slots to a distal pin end. Each of the stopper collars is uniquely associated with and connected to a respective one of the torque pins at the pin end. One or more of the stopper collars has a lateral collar width that is less than the slot width.

2. 发明授权

US08402840B2 Ultrasonic fluid flow meter housing with acoustically matched base 有权
标题翻译：超音波流量计外壳配有声学匹配的底座
公开(公告)号：US08402840B2
公开(公告)日：2013-03-26
申请号：US12797383
申请日：2010-06-09
申请人： Daniel L. Gysling , ChangJiu Dang
发明人： Daniel L. Gysling , ChangJiu Dang
IPC分类号： G01F1/66
CPC分类号： G01F1/662
摘要： A device for sensing fluid flow within a pipe, which pipe has a pipe wall, is provided. The device includes a sensor housing and a fluid flow meter. The sensor housing includes at least one pressure vessel enclosure and hardware for mounting the enclosure on an exterior surface of the pipe wall. The enclosure includes a base, side walls, and a cap. The enclosure base has a pipe-side surface that mates with the exterior surface of the pipe wall. The enclosure base and the pipe wall have substantially similar resonant frequencies and acoustic impedance. The sensor housing is adapted to be attached to the pipe wall such that the pipe-side surface of the base is mated with the exterior surface of the pipe wall. The fluid flow meter includes a plurality of ultrasonic sensors disposed within the at least one pressure vessel enclosure. Each sensor has a transmitter and a receiver. The transmitters are adapted to transmit signals at one or more frequencies, including frequencies that are substantially equal to the resonant frequencies of the base and pipe wall.
摘要翻译：提供一种用于检测管道内的流体流动的装置，该管道具有管壁。该装置包括传感器壳体和流体流量计。传感器外壳包括至少一个压力容器外壳和用于将外壳安装在管壁的外表面上的硬件。外壳包括底座，侧壁和盖子。外壳基座具有与管壁的外表面配合的管侧表面。外壳基座和管壁具有基本相似的谐振频率和声阻抗。传感器壳体适于附接到管壁，使得基座的管侧表面与管壁的外表面配合。流体流量计包括设置在至少一个压力容器外壳内的多个超声波传感器。每个传感器都有一个发射器和一个接收器。发射机适于以一个或多个频率发射信号，包括基本上等于基座和管壁谐振频率的频率。

3. 发明授权

US09259113B2 Cordless electrical appliances 有权
标题翻译：无绳电器
公开(公告)号：US09259113B2
公开(公告)日：2016-02-16
申请号：US13508276
申请日：2010-11-04
申请人： James Howitt , Colin Cameron
发明人： James Howitt , David Harper , Colin Cameron
IPC分类号： H05B1/02 , A47J27/21
CPC分类号： A47J27/2105
摘要： A cordless electrical appliance comprises an appliance part comprising at least two functional components (T1, M1) and a base for supplying electrical power to the appliance part. A cordless electrical connector (6) makes electrical connection between the appliance part and the base part in use. Both of the functional components (T1, M1) are connected between a pair of electrical connections provided by the connector (6) and arranged such that at least one of the functional components (T1, M1) is selectively energised in response to a change in the relative polarities of the two electrical connections. A switch such as a diode (D1) may be provided between the two functional components (T1, M1), so as to switch ON or OFF the current to a functional component (T1, M1) depending on the polarity of the connections.
摘要翻译：一种无绳电器包括一个器具部件，它包括至少两个功能元件（T1，M1）和一个用于向器具部件供电的基座。无绳电连接器（6）在使用中在电器部件和基座部件之间进行电连接。两个功能部件（T1，M1）连接在由连接器（6）提供的一对电气连接之间，并且布置成使得功能部件（T1，M1）中的至少一个响应于两个电气连接的相对极性。可以在两个功能部件（T1，M1）之间设置诸如二极管（D1）的开关，以根据连接的极性将电流接通或断开到功能部件（T1，M1）。

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