EP 2788594 A1 20141015 - ADJUSTABLE CAMSHAFT DRIVE
Title (en)
ADJUSTABLE CAMSHAFT DRIVE
Title (de)
VERSTELLBARER NOCKENWELLENANTRIEB
Title (fr)
ENTRAÎNEMENT D'ARBRE À CAMES RÉGLABLE
Publication
Application
Priority
- DE 102011120815 A 20111210
- EP 2012074814 W 20121207
Abstract (en)
[origin: WO2013083789A1] A camshaft drive (10) according to the invention comprises: . a) a drive shaft (12) which has at least one cam for the actuation of a valve of an internal combustion engine, . b) a shaft-in-shaft system (14) which is arranged parallel to the drive shaft (12) and which has an inner shaft (16) and an outer shaft (18) which is arranged coaxially with respect to and surrounds the inner shaft (16), . c) wherein the inner shaft (16) is coupled to the drive shaft (12) via a hydraulic transmission device comprising a stator (36), a rotor (33) and an intermediate element (28) arranged between the rotor (33) and inner shaft (16), and . d) wherein the hydraulic transmission device is operatively connected to an adjusting device and to a control and/or regulating device by means of which a desired phase angle relationship between the inner shaft (16) and outer shaft (18) can be set, characterized by . e) a drive element (24) which is coupled to the drive shaft (12) and which is directly coupled both to the outer shaft transmission element and to the stator (36).
IPC 8 full level
F01L 1/02 (2006.01); F01L 1/344 (2006.01)
CPC (source: EP US)
F01L 1/026 (2013.01 - EP US); F01L 1/344 (2013.01 - US); F01L 1/3442 (2013.01 - EP US); F01L 2001/0473 (2013.01 - EP US); F01L 2001/0537 (2013.01 - EP US)
Citation (search report)
See references of WO 2013083789A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2013083789 A1 20130613; CN 103975133 A 20140806; DE 102011120815 A1 20130613; EP 2788594 A1 20141015; EP 2788594 B1 20160727; US 2014283773 A1 20140925; US 9316127 B2 20160419
DOCDB simple family (application)
EP 2012074814 W 20121207; CN 201280059944 A 20121207; DE 102011120815 A 20111210; EP 12798293 A 20121207; US 201414296656 A 20140605