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[CN201980058825.X] Equipment with hydraulic press controller
[CN201980058825.X] Equipment with hydraulic press controller Title: Equipment with hydraulic press controller Application number: CN201980058825.X Applicant: Artemis Intelligent Power Co., Ltd. Application date: 2019-9-10 Patent type: Invention application Prime mover and multiple hydraulic actuators, a hydraulic machine with a rotatable shaft drivingly engaged with the prime mover and including multiple working chambers, A hydraulic circuit extending between a set of one or more working chambers of a hydraulic machine and one or more hydraulic actuators, each working chamber of the hydraulic machine including a low pressure valve regulating the flow of hydraulic fluid between the working chamber and a low pressure manifold and a high pressure valve regulating the flow of hydraulic fluid between the working chamber and the high pressure manifold. The hydraulic machine is configured to actively control at least the low pressure valve of the group of one or more working chambers in response to the demand signal to select the net displacement of hydraulic fluid of each working chamber on each cycle of the working chamber volume, and Thereby selecting the net displacement of hydraulic fluid of the group of one or more working chambers, wherein the device further includes a controller, the controller is configured to calculate the demand signal in response to a measured characteristic of the hydraulic circuit or the one or more actuators.
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