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1. 发明申请

WO2018100182A1 COOLING SYSTEM FOR ENGINES 审中-公开
公开(公告)号：WO2018100182A1
公开(公告)日：2018-06-07
申请号：PCT/EP2017/081231
申请日：2017-12-01
申请人： PIAGGIO & C. S.P.A
发明人： FRESCHI, Giacomo , PAOLO NESTI , MATTEO PUCCIONI
IPC分类号： B60K11/04 , B60K11/06 , F01P5/06
摘要： A cooling system of an air-cooled internal combustion engine (1), wherein a cooling fan (5) is controlled by a shaft put in rotation by the crankshaft (2) or by the crankshaft itself (2), and it directs an air flow to touch an engine block through a duct (8), prevents the unwished cooling of the engine when it is still cool, with a wholly mechanical solution which does not alter the structure of the fan and of the engine, and wherein a partition (10) is provided which can be moved between a first starting configuration, wherein it obstructs the duct, and a regime configuration, wherein the duct (8) is free, activated by activation means sensible to the temperature of a fluid inside the engine.

2. 发明申请

WO2018100163A1 COOLING SYSTEM FOR ENGINES 审中-公开
公开(公告)号：WO2018100163A1
公开(公告)日：2018-06-07
申请号：PCT/EP2017/081197
申请日：2017-12-01
申请人： PIAGGIO & C. S.P.A
发明人： MARIOTTI, Walter , FRESCHI, Giacomo
IPC分类号： F16D25/00 , F01P7/02
摘要： A cooling system of an internal combustion engine, e.g an air-cooled internal combustion engine, allows to actuate a fan, in passive way only depending upon the increase in the temperature inside the engine, wherein the fan (8) is keyed, by a clutch (11), to a end of an actuation shaft (4) having inside a housing (12) accomodating actuation means of the clutch (11) sensitive to the temperature of a fluid circulating in the engine, wherein said actuation means comprises a wax actuator (14) apt to operate said clutch (11), through a spring (19) arranged within said housing (12), interposed between said wax actuator (14) and said clutch (11), so as to shift said clutch (11) from a non-operational position to an operational position, to achieve the actuation of said clutch (11).

3. 发明申请

WO2019111131A1 CONTINUOUS VARIATION TRANSMISSION DEVICE WITH ADJUSTMENT DEVICE 审中-公开
公开(公告)号：WO2019111131A1
公开(公告)日：2019-06-13
申请号：PCT/IB2018/059576
申请日：2018-12-03
申请人： PIAGGIO & C. S.P.A.
发明人： NESTI, Paolo , MARIOTTI, Walter , FRESCHI, Giacomo
IPC分类号： F16H61/662 , F16H63/06 , F16H9/18 , F16H55/56
摘要： A continuous variation transmission device (1) for a motorcycle with two/three/four- wheels comprises a drive pulley (4) provided with a movable bushing (9), a fixed bushing (11) and a cam system (95,111;97,113) between the fixed bushing (11) and the movable bushing (9). The cam system has a driven cam portion (95) of the movable bushing (9) and a drive cam portion (111) of the fixed bushing (11). The driven cam portion (95) comprises at least one recess (99) and the drive cam portion (111) comprises at least one tooth (115) or vice versa. The recess (99) and the tooth (115) have respective sides (99a, 99b; 115a, 115b) which form a shape coupling with each other to guide the relative movement between said movable bushing (9) and said fixed bushing (11).

4. 发明申请

WO2017098379A1 A CONTINUOUSLY VARIABLE TRANSMISSION DEVICE WITH A DEVICE FOR VARYING THE GEAR SHIFT CURVE 审中-公开
标题翻译：具有用于改变齿轮换挡曲线的装置的连续可变的变速器装置
公开(公告)号：WO2017098379A1
公开(公告)日：2017-06-15
申请号：PCT/IB2016/057252
申请日：2016-12-01
申请人： PIAGGIO & C. S.P.A.
发明人： MARIOTTI, Walter , FRESCHI, Giacomo , NESTI, Paolo
IPC分类号： F16H55/56
CPC分类号： F16H55/563
摘要： A continuously variable transmission device (1) for a two-, three- or four-wheel motorcycle comprises a cam system (20, 22; 32a, 32b) operating between a fixed bushing (11) and a mobile bushing (9), configured to obstruct the approach between the active surfaces (8a, 10a) or to facilitate the approach of the same.
摘要翻译：用于两轮摩托车，三轮摩托车或四轮摩托车的无级变速器装置（1）包括在固定衬套（11）和固定衬套（11）之间操作的凸轮系统（20,22; 32a，32b）活动套管（9），该活动套管配置成阻挡活动表面（8a，10a）之间的接近或促进活动表面（8a，10a）的接近。

5. 发明申请

WO2017098378A1 A CONTINUOUSLY VARIABLE TRANSMISSION DEVICE WITH GEAR REGULATION DEVICE 审中-公开
标题翻译：具有齿轮调节装置的连续可变传动装置
公开(公告)号：WO2017098378A1
公开(公告)日：2017-06-15
申请号：PCT/IB2016/057251
申请日：2016-12-01
申请人： PIAGGIO & C. S.P.A.
发明人： MARIOTTI, Walter , FRESCHI, Giacomo , NESTI, Paolo
IPC分类号： F16H9/12 , F16H55/56
CPC分类号： F16H55/563 , F16H9/125
摘要： A continuously variable transmission device (1) for a two-, three- or four-wheel motorcycle comprises a gear shift regulation device provided with a slide (40) axially slidable and suitable to engage special rollers (18) to hold them during the gear shift. A mobile bushing (9) is suitable to influence the slide (40) to cause its translation from a rearward position to a forward limit position to engage the special rollers (18).
摘要翻译：一种用于两轮摩托车，三轮摩托车或四轮摩托车的无级变速器装置（1）包括设置有滑动件（40）的换档调节装置，所述滑动件（40）可轴向滑动并且适于接合特殊辊（ 18）在变速时保持它们。移动衬套（9）适于影响滑动件（40）以使其从后向位置平移到前向极限位置以接合特殊辊子（18）。

6. 发明申请

WO2019111131A9 CONTINUOUS VARIATION TRANSMISSION DEVICE WITH ADJUSTMENT DEVICE 审中-公开
公开(公告)号：WO2019111131A9
公开(公告)日：2019-06-13
申请号：PCT/IB2018/059576
申请日：2018-12-03
申请人： PIAGGIO & C. S.P.A.
发明人： NESTI, Paolo , MARIOTTI, Walter , FRESCHI, Giacomo
IPC分类号： F16H61/662 , F16H63/06 , F16H9/18 , F16H55/56
摘要： A continuous variation transmission device (1) for a motorcycle with two/three/four- wheels comprises a drive pulley (4) provided with a movable bushing (9), a fixed bushing (11) and a cam system (95,111;97,113) between the fixed bushing (11) and the movable bushing (9). The cam system has a driven cam portion (95) of the movable bushing (9) and a drive cam portion (111) of the fixed bushing (11). The driven cam portion (95) comprises at least one recess (99) and the drive cam portion (111) comprises at least one tooth (115) or vice versa. The recess (99) and the tooth (115) have respective sides (99a, 99b; 115a, 115b) which form a shape coupling with each other to guide the relative movement between said movable bushing (9) and said fixed bushing (11).

7. 发明申请

WO2018100170A1 COOLING SYSTEM FOR ENGINES WITH ELECTROMAGNETIC FAN CLUTCH 审中-公开
公开(公告)号：WO2018100170A1
公开(公告)日：2018-06-07
申请号：PCT/EP2017/081212
申请日：2017-12-01
申请人： PIAGGIO & C. S.P.A
发明人： FRESCHI, Giacomo , MATTEO PUCCIONI
IPC分类号： F01P7/08 , F16D35/02
摘要： A cooling system (20) of an internal combustion engine (1) comprising a cooling fan (8) and a driving shaft (4), said fan (8) being connected to said driving shaft (4) by means of a clutch (5) comprising a first axially movable clutch member (11) and torsionally connected to the driving shaft (4) or to the fan (8) and a second clutch member (14) axially connected to the fan (8) or to the driving shaft (4); a magnetic element (18) disposed on said first clutch element (11); and an electromagnet (22) disposed on an intake aperture (10) so as to project towards the fan (8) and configured to attract said magnetic element (18) when electrically powered to engage the fan (8) on the driving shaft (4) if the internal engine temperature is above a reference value.

8. 发明申请

WO2018055514A1 CONTINUOUSLY VARIABLE TRANSMISSION DEVICE WITH DEVICE FOR VARYING THE TRANSMISSION CURVE 审中-公开
标题翻译：具有用于改变传输曲线的装置的连续可变传输装置
公开(公告)号：WO2018055514A1
公开(公告)日：2018-03-29
申请号：PCT/IB2017/055668
申请日：2017-09-19
申请人： PIAGGIO & C. S.P.A.
发明人： NESTI, Paolo , MARIOTTI, Walter , FRESCHI, Giacomo
IPC分类号： F16H55/56
摘要： A CVT transmission device (1) comprises a drive pulley (4) provided with a mobile bushing (9), a fixed bushing (11), a cam system (95,111; 97,113) comprising at least one driven cam portion (95) of mobile bushing (9) and a cam portion (111) of the fixed bushing (11). The mobile bushing (9) comprises a main wall (91) annular with respect to the axis of rotation (X), having an inner surface (91a) which delimits a housing compartment (91c) and said driven cam portion (95) protrudes radially internally from said inner surface (91a). The drive cam portion (111) of the fixed bushing (11) is suitable to penetrate axially in said housing compartment of the mobile bushing (9).
摘要翻译： CVT传动装置（1）包括设置有可动衬套（9）的驱动皮带轮（4），固定衬套（11），包括至少一个凸轮系统（95,111; 97,113）的凸轮系统（9）的从动凸轮部分（95）和固定衬套（11）的凸轮部分（111）。活动套管（9）包括相对于旋转轴线（X）环形的主壁（91），该主壁具有限定容纳隔间（91c）的内表面（91a）并且所述从动凸轮部分（95）径向突出在内表面（91a）内部。固定衬套（11）的驱动凸轮部分（111）适于在可动衬套（9）的所述壳体室中沿轴向穿透。

9. 发明申请

WO2017098381A1 A CONTINUOUSLY VARIABLE TRANSMISSION DEVICE WITH GEAR REGULATION DEVICE 审中-公开
标题翻译：具有齿轮调节装置的连续可变传动装置
公开(公告)号：WO2017098381A1
公开(公告)日：2017-06-15
申请号：PCT/IB2016/057255
申请日：2016-12-01
申请人： PIAGGIO & C. S.P.A.
发明人： MARIOTTI, Walter , FRESCHI, Giacomo , NESTI, Paolo
IPC分类号： F16H9/12 , F16H55/56
CPC分类号： F16H9/125 , F16H55/563
摘要： A continuously variable transmission device (1) for a two-, three- or four-wheel motorcycle comprises a gear shift regulation device suitable to operate on special rollers (18) through an adjustable axial action independently of the number of engine revolutions, to influence the centrifugal movement of the rollers (18) and thus influence the gear shift.
摘要翻译：一种用于两轮摩托车，三轮摩托车或四轮摩托车的无级变速器装置（1）包括适于在特殊辊（18）上通过独立于发动机转数，影响辊子（18）的离心运动，从而影响换档。

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