Hydraulic unit for a cylinder head of an internal combustion engine with hydraulically variable gas-exchange valve train

Hydraulic unit for a cylinder head of an internal combustion engine with hydraulically variable gas-exchange valve train

A hydraulic unit (5) is provided for a cylinder head (2) of an internal combustion engine with a hydraulically variable gas-exchange valve train (1). In the hydraulic unit, a high-pressure chamber (11), a medium-pressure chamber (12), and a low-pressure chamber (16) used as the hydraulic medium rese...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUHL MARIO, EICHENBERG ANDREAS
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Beschreibung
Zusammenfassung:A hydraulic unit (5) is provided for a cylinder head (2) of an internal combustion engine with a hydraulically variable gas-exchange valve train (1). In the hydraulic unit, a high-pressure chamber (11), a medium-pressure chamber (12), and a low-pressure chamber (16) used as the hydraulic medium reservoir are formed. The low-pressure chamber communicates via a throttle opening (17, 17′, 17″, 17′″) with the medium-pressure chamber, and the throttle opening extends through a housing seal (23) produced as a separate component.