Invention Grant
- Patent Title: Valve train including engine braking system
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Application No.: US16449642Application Date: 2019-06-24
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Publication No.: US11060427B2Publication Date: 2021-07-13
- Inventor: Eric Berndt
- 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
- Agency: Volpe Koenig
- Main IPC: F01L1/24
- IPC: F01L1/24 ; F01L13/06

Abstract:
A valve train arrangement including at least one exhaust valve and a reverse-spring hydraulic lash adjuster (RSHLA) is provided. The RSHLA has a predetermined closing velocity. An engine brake system is configured to engage the exhaust valve, such that: (i) upon activation of the engine brake system, the engine brake system engages the at least one exhaust valve to open the at least one exhaust valve; and (ii) upon deactivation of the engine brake system, the engine brake system disengages the at least one exhaust valve such that the at least one exhaust valve is closed. A deactivation velocity of the engine brake system is less than the predetermined closing velocity of the RSHLA.
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