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1. 发明授权

US4621537A Gear selection and engagement device for a motor vehicle transmission 失效
标题翻译：用于机动车辆变速箱的齿轮选择和接合装置
公开(公告)号：US4621537A
公开(公告)日：1986-11-11
申请号：US621042
申请日：1984-06-15
申请人： Romano Piazza , Armando Gregori
发明人： Romano Piazza , Armando Gregori
IPC分类号： F16H61/26 , F16H63/20 , G05G5/08 , G05G9/12
CPC分类号： F16H63/206 , F16H2063/321 , F16H61/26 , Y10T74/20104
摘要： Gear selection and engagement device for a motor vehicle transmission, the said device comprising a shaft moving in the direction of and round its own axis and constituting a support for a number of hubs each integral with a corresponding fork; the said device also comprising a first set of teeth projecting radially from the said shaft and being axially and torsionally integral with the same, one of the said hubs being arranged between two adjacent teeth on the said first set; the said device also comprising a second set of teeth projecting radially from the said shaft, being torsionally integral with it and being axially fixed in relation to the transmission case; each of the said hubs having at least one pair of axial grooves designed to accommodate the teeth in the said first and second set; the said grooves being arranged round the circumference of each hub in such a preset manner that, for a preset angular position of the said shaft corresponding to a preset gear selection, all the teeth in the first set are aligned axially with corresponding grooves on the said hubs with the exception of the teeth adjacent to a preset hub belonging to the fork which must be shifted axially for engaging the said gear.
摘要翻译：用于机动车辆变速器的齿轮选择和接合装置，所述装置包括沿着其自身轴线的方向移动并绕其自身轴线移动的轴，并且构成每个与相应叉子整体的多个轮毂的支撑件; 所述装置还包括从所述轴径向突出并与其轴向和扭转一体的第一组齿，所述毂中的一个布置在所述第一组上的两个相邻的齿之间; 所述装置还包括从所述轴径向突出的第二组齿，所述第二组齿与所述轴扭转地一体并相对于所述变速箱轴向固定; 每个所述轮毂具有设计成容纳所述第一和第二组中的齿的至少一对轴向凹槽; 所述槽以预定的方式布置在每个轮毂的圆周周围，使得对于预定的齿轮选择的所述轴的预定角度位置，所述第一组中的所有齿与所述第一组中的对应凹槽轴向对齐轮毂除了属于叉子的预设轮毂之外的齿之外，齿轮必须轴向移动以啮合所述齿轮。

2. 发明授权

US5417124A Gear change for an industrial vehicle provided with an integrated control unit 失效
标题翻译：配有集成控制单元的工业车辆换档
公开(公告)号：US5417124A
公开(公告)日：1995-05-23
申请号：US972969
申请日：1992-11-06
申请人： Martin Huff , Gian M. Pigozzi , Armando Gregori
发明人： Martin Huff , Gian M. Pigozzi , Armando Gregori
IPC分类号： F16H61/00 , F16H61/28 , F16H63/30 , F16H63/44 , F16H3/78 , G05G9/02
CPC分类号： F16H61/0003 , F16H61/2807 , F16H2061/307 , F16H2061/308 , F16H2063/005 , F16H61/0006 , F16H63/3023 , F16H63/44 , Y10T74/19251 , Y10T74/20024
摘要： A gear change for an industrial vehicle, provided with an integrated control unit housed in a seat of the gear box and comprising a plurality of actuators for controlling the selection and coupling of the gears, a plurality of electrovalves for the actuation of the actuators and a sensor of the angular speed of an input shaft of the gear change.
摘要翻译：一种用于工业车辆的变速器，其具有容纳在齿轮箱的座中的集成控制单元，并且包括用于控制齿轮的选择和联接的多个致动器，用于致动致动器的多个电动阀和齿轮输入轴角速度的传感器变化。

3. 发明授权

US5370014A Gear change for a vehicle with recovery of the axial play due to differential thermal expansion 失效
标题翻译：由于不同的热膨胀，具有轴向游隙恢复的车辆的换档
公开(公告)号：US5370014A
公开(公告)日：1994-12-06
申请号：US972968
申请日：1992-11-06
申请人： Gian M. Pigozzi , Giampietro Franzini , Armando Gregori
发明人： Gian M. Pigozzi , Giampietro Franzini , Armando Gregori
IPC分类号： F16H1/28 , F16H3/095 , F16H37/04 , F16H57/021 , F16H3/08 , F16H3/44
CPC分类号： F16H57/021 , F16H1/2845 , F16H37/042 , F16H3/095 , Y10T74/19233 , Y10T74/2186
摘要： A gear change for a vehicle comprising an external box made from an aluminum alloy, a main group, a driving shaft of which is adapted to be driven by an engine of the vehicle and a driven shaft of which may be drivingly connected with the driving shaft via a plurality of pairs of gears defining different transmission ratios, and an auxiliary epicyclic group connected in cascade with the main group in which the driven shaft is loaded axially by an elastic member which maintains it in contact with an axial abutment elements to ensure its correct axial positioning upon variations in play due to differential thermal expansion with respect to the box.
摘要翻译：一种用于车辆的变速装置，包括由铝合金制成的外部箱体，主体组件，其驱动轴适于由车辆的发动机驱动，并且其从动轴可与驱动轴驱动连接通过多个限定不同传动比的齿轮对，以及辅助行星齿轮组，其与主组件级联连接，其中从动轴由弹性部件轴向加载，该弹性部件保持其与轴向邻接元件接触，以确保其正确由于相对于盒子的热膨胀差异而发生变化时的轴向定位。

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