公开(公告)号：US4659286A

公开(公告)日：1987-04-21

申请号：US733487

申请日：1985-05-10

申请人： Attilio Garavaglia ,  Enrico Sironi ,  Rinaldo Gonzato

发明人： Attilio Garavaglia ,  Enrico Sironi ,  Rinaldo Gonzato

IPC分类号： B64C27/14 ,  B64C27/12 ,  F16D15/00 ,  F16H37/06

CPC分类号： B64C27/12 ,  Y10T74/19093

摘要： Main helicopter drive for transmitting drive to the countershaft even when the main shaft connected to the rotor is idle, and on which a sleeve, turned by a drive shaft and connected by gears to the countershaft, supports in rotary and axially-sliding manner, an inner tubular body angularly integral with the main shaft; an actuator being connected to the said tubular body for moving it between a normal position, in which the said tubular body is connected to the said sleeve by a freewheel on the latter, and a position in which the said freewheel engages the outer casing of a bearing fitted on to the said tubular body.

摘要翻译： 即使当连接到转子的主轴空转时，主驱动装置也将驱动器传送到中间轴，并且由驱动轴转动并通过齿轮与中间轴连接的套筒以旋转和轴向滑动的方式支撑在其上， 内管体与主轴成角度地一体; 致动器连接到所述管状体，用于使其在法向位置之间移动，其中所述管状体通过其上的自由轮连接到所述套筒上，并且所述自由轮接合外壳的位置 轴承安装在所述管状体上。

公开(公告)号：US06706112B2

公开(公告)日：2004-03-16

申请号：US10161246

申请日：2002-06-03

申请人： Enrico Sironi ,  Giampietro Margheritis ,  Ugo Claudio Pfeiffer ,  Giuseppe Li Bassi

发明人： Enrico Sironi ,  Giampietro Margheritis ,  Ugo Claudio Pfeiffer ,  Giuseppe Li Bassi

IPC分类号： C04B2400

CPC分类号： C04B28/02 ,  C04B24/38 ,  C04B40/0039 ,  C04B24/383 ,  C04B14/06 ,  C04B2103/0091

摘要： Disclosed are cementitious mortar additives comprising a hydroxyalkyl guar derivative having a molar substitution of from about 0.7 to about 3. Also disclosed are dry cementitious mortar compositions including from 0.1 to 1.5% by weight of the additive and cured cementitious mortars obtained by addition of water to the dry cementitious mortar compositions.

摘要翻译： 公开的是含有摩尔取代度为约0.7至约3的羟烷基瓜尔胶衍生物的水泥质砂浆添加剂。还公开了干粘结砂浆组合物，其包含0.1至1.5重量％的添加剂和通过将水加入而获得的固化水泥质砂浆 干水泥砂浆组合物。