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公开(公告)号：US12209601B2
公开(公告)日：2025-01-28
申请号：US17578200
申请日：2022-01-18
Applicant: The Heil Co.
Inventor： John Forrest Smith , Alejandro de Leon , Garrett Eckerl , Albert Xiaoxia Jiang , Thomas Leon Wilding
Abstract: A refuse collection vehicle has various hydraulic actuators including at least one cylinder with an internal seal. A sensor is responsive to movement of the piston and sends a signal to a controller to indicate piston movement information during an associated vehicle body component movement. The controller is configured to determine a motion characteristic of the piston during a predetermined body component movement, compare the determined motion characteristic to a stored reference motion characteristic, and in response to determining that a difference between the determined motion characteristic and the reference motion characteristic is greater than a predetermined value, trigger an indication that the refuse collection vehicle is in need of service.
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公开(公告)号：US20220243746A1
公开(公告)日：2022-08-04
申请号：US17578200
申请日：2022-01-18
Applicant: The Heil Co.
Inventor： John Forrest Smith , Alejandro de Leon , Garrett Eckerl , Albert Xiaoxia Jiang , Thomas Leon Wilding
Abstract: A refuse collection vehicle has various hydraulic actuators including at least one cylinder with an internal seal. A sensor is responsive to movement of the piston and sends a signal to a controller to indicate piston movement information during an associated vehicle body component movement. The controller is configured to determine a motion characteristic of the piston during a predetermined body component movement, compare the determined motion characteristic to a stored reference motion characteristic, and in response to determining that a difference between the determined motion characteristic and the reference motion characteristic is greater than a predetermined value, trigger an indication that the refuse collection vehicle is in need of service.
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