Invention Publication
- Patent Title: METHOD FOR CONTROLLING A HYDRAULIC CONTROL DEVICE
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Application No.: US18285652Application Date: 2022-03-17
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Publication No.: US20240209906A1Publication Date: 2024-06-27
- Inventor: Erhard Hodrus , Christian Eberle , Marian Preisner
- Applicant: Schaeffler Technologies AG & Co. KG
- Applicant Address: DE Herzogenaurach
- Assignee: Schaeffler Technologies AG & Co. KG
- Current Assignee: Schaeffler Technologies AG & Co. KG
- Current Assignee Address: DE Herzogenaurach
- Priority: DE 2021108559.4 2021.04.07
- International Application: PCT/DE2022/100208 2022.03.17
- Date entered country: 2023-10-05
- Main IPC: F16D48/02
- IPC: F16D48/02

Abstract:
A method is provided for controlling a hydraulic control device which can actuate a torque device and includes a first actuating element configured to be acted upon by a first fluid pressure in a first fluid line and configured to actuate the torque device; a system pressure line hydraulically connected to the first fluid line and having a system pressure; a first valve element located between the first fluid line and the system pressure line and configured to the first fluid pressure via the system pressure; and a supply element configured to provide the system pressure and being hydraulically connected to the system pressure line. The method includes setting first fluid pressure based on a predetermined target torque value, and setting the system pressure above the first fluid pressure by a pressure difference based on a pressure control value.
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