公开(公告)号：WO2021198905A1

公开(公告)日：2021-10-07

申请号：PCT/IB2021/052621

申请日：2021-03-30

Applicant: PIAGGIO & C. S.P.A

Inventor： GIARI, Francesco ,  FIACCAVENTO, Marcello

IPC: F01M11/00 ,  F01M13/00 ,  F02B61/02 ,  F01M11/0004 ,  F01M13/0011 ,  F01M2011/0033 ,  F01M2011/0037 ,  F01M2011/0083 ,  F01M2013/0038

Abstract: A lubrication system (100) for internal combustion engines, in particular for vehicles with a rideable saddle, said system comprising a crank chamber (110) in which at least one connecting rod is accommodated, and a basin or pan (120) for collecting a lubricating liquid (LL), wherein said crank chamber (110) and said collection basin or pan (120) are put in mutual communication by means of a first opening (111) obtained in said crank chamber (110), wherein the flow of said lubricating liquid (LL) through said first opening (111) from said crank chamber (110) into said basin (120) is adjusted by means of a first adjusting element (112) adapted to be switched to an open position so as to allow the discharge of said lubricating liquid (LL) from said crank chamber (110) into said collection basin or pan (120) at a predetermined switching gas pressure value inside said crank chamber (110).

公开(公告)号：WO2021176314A1

公开(公告)日：2021-09-10

申请号：PCT/IB2021/051615

申请日：2021-02-26

Applicant: PIAGGIO & C. S.P.A.

Inventor： MARIOTTI, Walter ,  FIACCAVENTO, Marcello ,  MAGAGNINI, Carlo

IPC: B60T1/06 ,  B60T7/04 ,  B60T8/32 ,  B60T8/72 ,  F16D59/00 ,  F16D59/02

Abstract: The parking brake comprises an inhibitor device (31), which can be associated with a drive shaft (3) for rotating therewith, the inhibitor device (31) being actuated by means of centrifugal force. The parking brake further comprises a locking member (33) adapted to engage the inhibitor device (31) when actuated. The inhibitor device (31) is configured to prevent the engagement of the locking member with the inhibitor device when the inhibitor device rotates at a speed greater than a minimum speed, so as to prevent the application of the parking brake.