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公开(公告)号：US11859522B2
公开(公告)日：2024-01-02
申请号：US17907649
申请日：2021-03-30
申请人： Piaggio & C. S.p.A.
CPC分类号： F01M13/0011 , F01M11/0004 , F01M2011/0033 , F01M2011/0045 , F01M2013/0038
摘要： A lubrication system for internal combustion engines, in particular for vehicles with a rideable saddle, said system comprising a crank chamber in which at least one connecting rod is accommodated, and a basin or pan for collecting a lubricating liquid, wherein said crank chamber and said collection basin or pan are put in mutual communication by means of a first opening obtained in said crank chamber, wherein the flow of said lubricating liquid through said first opening from said crank chamber into said basin is adjusted by means of a first adjusting element adapted to be switched to an open position so as to allow the discharge of said lubricating liquid from said crank chamber into said collection basin or pan at a predetermined switching gas pressure value inside said crank chamber.
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公开(公告)号：US11879545B2
公开(公告)日：2024-01-23
申请号：US17908952
申请日：2021-02-26
申请人： PIAGGIO & C. S.P.A.
CPC分类号： F16H63/3416 , B62D63/04
摘要： A parking brake includes an inhibitor device (31), which can be associated with a drive shaft (3) for rotating therewith, the inhibitor device (31) being actuated by centrifugal force. The parking brake further includes 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.
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公开(公告)号：US20230220792A1
公开(公告)日：2023-07-13
申请号：US17907649
申请日：2021-03-30
申请人： Piaggio & C. S.p.A.
CPC分类号： F01M13/0011 , F01M11/0004 , F01M2011/0045 , F01M2013/0038 , F01M2011/0033
摘要： A lubrication system for internal combustion engines, in particular for vehicles with a rideable saddle, said system comprising a crank chamber in which at least one connecting rod is accommodated, and a basin or pan for collecting a lubricating liquid, wherein said crank chamber and said collection basin or pan are put in mutual communication by means of a first opening obtained in said crank chamber, wherein the flow of said lubricating liquid through said first opening from said crank chamber into said basin is adjusted by means of a first adjusting element adapted to be switched to an open position so as to allow the discharge of said lubricating liquid from said crank chamber into said collection basin or pan at a predetermined switching gas pressure value inside said crank chamber.
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