Invention Grant
- Patent Title: Hydrodynamic coupling arrangement
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Application No.: US16478403Application Date: 2017-12-18
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Publication No.: US11255417B2Publication Date: 2022-02-22
- Inventor: Jens Schönekäs , Georg Mencher
- Applicant: ZF FRIEDRICHSHAFEN AG
- Applicant Address: DE Friedrichshafen
- Assignee: ZF FRIEDRICHSHAFEN AG
- Current Assignee: ZF FRIEDRICHSHAFEN AG
- Current Assignee Address: DE Friedrichshafen
- Agency: Cozen O'Connor
- Priority: DE102017200552.1 20170116
- International Application: PCT/EP2017/083208 WO 20171218
- International Announcement: WO2018/130377 WO 20180719
- Main IPC: F16H45/02
- IPC: F16H45/02 ; F16H41/26

Abstract:
A hydrodynamic coupling arrangement has a housing connected to pressure medium lines for conducting pressure medium into or out of a pressure space sealed by a piston of a clutch device relative to a toroidal space of a hydrodynamic circuit provided in the housing. A rotatable area is provided for axially displaceably receiving a radially inner piston hub of the piston of the clutch device, and at least one through-opening which is rotatable relative to the housing is provided in a through-opening area for producing at least one flow connection between at least one pressure medium line and the pressure space. The receiving area and the through-opening area are in rotational communication with a retarding device influencing a flow of pressure medium in the pressure space, this flow of pressure medium arriving in the pressure space after passing through the through-opening area.
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