Invention Grant
- Patent Title: Valve for locking and releasing a hydraulically actuated shifting element
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Application No.: US14832151Application Date: 2015-08-21
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Publication No.: US10253873B2Publication Date: 2019-04-09
- Inventor: Josef Haupt , Martin Brehmer , Stefan Brom
- Applicant: ZF Friedrichshafen AG
- Applicant Address: DE Friedrichshafen
- Assignee: ZF FRIEDRICHSHAFEN AG
- Current Assignee: ZF FRIEDRICHSHAFEN AG
- Current Assignee Address: DE Friedrichshafen
- Agency: Dority & Manning, P.A.
- Priority: DE102014216581 20140821
- Main IPC: F16H61/00
- IPC: F16H61/00 ; F16H61/02 ; F16K31/524
Abstract:
A stop valve assembly is provided for the locking and unlocking of at least one hydraulic chamber of a shift element that is applied with operating pressure and is coaxially arranged at a shaft in a transmission housing of an automatic transmission of a motor vehicle. At least one first stop valve for lowering the operating pressure of the shift element and at least one second stop valve for raising the operating pressure of the shift element are provided.
Public/Granted literature
- US20160053886A1 Valve for Locking and Releasing a Hydraulically Actuated Shifting Element Public/Granted day:2016-02-25
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