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    • 1. 发明授权
    • Solar energy conversion unit
    • 太阳能转换装置
    • US4280853A
    • 1981-07-28
    • US133074
    • 1980-03-24
    • Mario PalazzettiCesare PontiPier L. Tenci
    • Mario PalazzettiCesare PontiPier L. Tenci
    • F24J2/08F24J2/54H01L31/048H01L31/052H01L31/04
    • F24J2/5431F24J2/08H01L31/048H01L31/0543Y02E10/47Y02E10/52
    • A solar energy converter is provided in the form of a unit for assembly together with other similar units to build up a solar-energy conversion installation. Each unit includes a fixed support structure, a mounting element articulated on the support structure, and an optical concentrator carried by the mounting element. The optical concentrator consists of a plurality of coplanar, spherical lenses the centers of which are located at the vertices of a polygon. The center of the polygon lies on a line extending perpendicularly to the plane of the lenses through the point of articulation of the mounting element on the support structure. Each unit further includes a plurality of converter modules located at the foci of respective ones of the spherical lenses and carried by respective connecting legs which extend from the mounting element. Each converter module includes a photo-voltaic cell and means for transferring the heat dissipated in the photo-voltaic cell to a liquid.
    • 太阳能转换器以单元的形式提供,与其他类似单元一起组装以建立太阳能转换装置。 每个单元包括固定的支撑结构,铰接在支撑结构上的安装元件和由安装元件承载的光学集中器。 光集中器由多个共面的球面透镜组成,它们的中心位于多边形的顶点。 多边形的中心位于通过安装元件在支撑结构上的铰接点垂直于透镜平面延伸的线上。 每个单元还包括位于各个球形透镜的焦点处的多个转换器模块,并由从安装元件延伸的相应的连接支架承载。 每个转换器模块包括光伏电池和用于将在光电池中散发的热量转移到液体的装置。
    • 8. 发明授权
    • Speed or angular position electromagnetic transducer
    • 速度或角位置电磁换能器
    • US3942045A
    • 1976-03-02
    • US476495
    • 1974-06-05
    • Mario Palazzetti
    • Mario Palazzetti
    • G01P3/488H02K21/38
    • G01P3/488
    • An electromagnetic angular speed or angular position transducer comprises a permanent magnet with closely spaced pole faces and a ferromagnetic core magnetically connected to the magnet and carrying a coil. The transducer cooperates with a toothed wheel the teeth of which are moved past the pole faces and the core in such a way that two magnetic circuits are completed by the teeth, one passing through the teeth and the two pole faces, and the other passing through the teeth and the core. The two magnetic circuits are in parallel with one another and the reluctance of each changes as the teeth move therepast. The circuit through the two pole faces ensures that the magnet is operated with a high leakage flux so that small changes in the reluctance cause relatively large flux changes and thus a relatively high electromotive force in the coil wound about the core.
    • 电磁角速度或角度位置传感器包括具有紧密间隔的极面的永久磁体和磁性地连接到磁体并承载线圈的铁磁芯。 传感器与齿轮配合,齿轮齿通过磁极和磁芯移动,使得两个磁路由齿完成,一个穿过齿和两个磁极面,另一个通过 牙齿和核心。 两个磁路彼此平行,随着齿移动,每个磁路的磁阻变化。 通过两个极面的电路确保磁体以高的漏磁通工作,因此磁阻的小变化引起相对较大的磁通变化,从而在绕磁芯缠绕的线圈中产生较高的电动势。
    • 10. 发明申请
    • RETRACTABLE ROAD BARRIER
    • 可收回的道路障碍物
    • US20050175408A1
    • 2005-08-11
    • US10470311
    • 2002-11-19
    • Antonio FugantiSilvano SandriMario BochicchioStefano Re FiorentinMario PalazzettiSalvatore FredianiRoberto Puppini
    • Antonio FugantiSilvano SandriMario BochicchioStefano Re FiorentinMario PalazzettiSalvatore FredianiRoberto Puppini
    • E01F15/12E01F15/00
    • E01F15/12
    • A safety barrier for road use comprises a barrier element (5) which can be displaced between an operative position, above the road surface, and an inoperative position, in which it does not substantially project above the road surface. Preferably provided is a number of sets of aligned barrier elements, rigidly connected to one another, the adjacent sets being connected together by articulated connecting structures (18) which enable one set of barrier elements (5) to be displaced between its inoperative position and its operative position without modifying the positions of the adjacent sets. In this way, one or more stretches of the barrier can be brought into the inoperative condition, leaving the adjacent stretches of barrier in the normal operative condition. The invention is particularly, although not exclusively, suited for the construction of traffic-divider barriers in road tunnels where it is necessary to eliminate the barrier rapidly in the event of an accident occurring.
    • 用于道路使用的安全屏障包括可在路面上方的操作位置和不在路面上基本上突出的不工作位置之间移动的阻挡元件(5)。 优选地,提供了多组对齐的阻挡元件,其彼此刚性地连接,相邻的组通过铰接的连接结构(18)连接在一起,这使得一组屏障元件(5)能够在其不工作位置和 而不改变相邻组的位置。 以这种方式,阻挡层的一个或多个延伸段可以进入不工作状态,使相邻的屏障段在正常的操作状态下。 特别地,本发明特别适用于在道路隧道中建造交通分隔壁垒,其中在事故发生时必须快速消除障碍物。