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公开(公告)号：US12297754B2
公开(公告)日：2025-05-13
申请号：US17800001
申请日：2021-02-19
Applicant: Eaton Intelligent Power Limited
Inventor： Michele Angelo Cecchi , Marco Ravoni , Maria Letizia Ciardullo , Raffaele DiMaro , Nicola Andrisani
Abstract: Several devices are disclosed that can be usable together or used in other valvetrains. Disclosed herein are a rocker arm assembly, compliance capsules for a switchable capsule of the rocker arm, actuators, and support structures for the actuators. The alternative compliance capsules can be electromechanically actuated by the alternative actuators, which are hung over the rocker shaft by the support structure. A cam actuator can be in addition to an overhead cam rail and in addition to the rocker shaft. The cam actuator can be configured with a compliance capsule so that the switching of the switchable capsule is mechanically linked and less reliant on precise electrical signal timing.
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公开(公告)号：US11428127B2
公开(公告)日：2022-08-30
申请号：US17424944
申请日：2021-02-19
Applicant: Eaton Intelligent Power Limited
Inventor： Raffaele DiMaro , Marco Ravoni
Abstract: A castellation device comprises a shaft surrounded by three castellation members. A first castellation member is rotatably mounted on the shaft and comprises a first end and a second end opposite to the first end. A second castellation member is slidably mounted along the shaft adjacent the first end of the first castellation member. A third castellation member is mounted to the shaft adjacent the second end of the first castellation member. A bias spring is disposed between the second castellation member and the third castellation member and is configured to bias the second castellation member away from the third castellation member. Optionally, an annular shroud can enclose the three castellation members. The first castellation member is rotatable relative to the second and third castellation members between a first position and a second position.
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公开(公告)号：US20230074370A1
公开(公告)日：2023-03-09
申请号：US17800001
申请日：2021-02-19
Applicant: Eaton Intelligent Power Limited
Inventor： Michele Angelo Cecchi , Marco Ravoni , Maria Letizia Ciardullo , Raffaele DiMaro , Nicola Andrisani
Abstract: Several devices are disclosed that can be usable together or used in other valvetrains. Disclosed herein are a rocker arm assembly, compliance capsules for a switchable capsule of the rocker arm, actuators, and support structures for the actuators. The alternative compliance capsules can be electromechanically actuated by the alternative actuators, which are hung over the rocker shaft by the support structure. A cam actuator can be in addition to an overhead cam rail and in addition to the rocker shaft. The cam actuator can be configured with a compliance capsule so that the switching of the switchable capsule is mechanically linked and less reliant on precise electrical signal timing.
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公开(公告)号：US20220145781A1
公开(公告)日：2022-05-12
申请号：US17424944
申请日：2021-02-19
Applicant: Eaton Intelligent Power Limited
Inventor： Raffaele DiMaro , Marco Ravoni
Abstract: A castellation device comprises a shaft surrounded by three castellation members. A first castellation member is rotatably mounted on the shaft and comprises a first end and a second end opposite to the first end. A second castellation member is slidably mounted along the shaft adjacent the first end of the first castellation member. A third castellation member is mounted to the shaft adjacent the second end of the first castellation member. A bias spring is disposed between the second castellation member and the third castellation member and is configured to bias the second castellation member away from the third castellation member. Optionally, an annular shroud can enclose the three castellation members. The first castellation member is rotatable relative to the second and third castellation members between a first position and a second position.
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