Inventor
KATHER LUTZ
DE16 patents
⚠️ This page may combine multiple inventors who share the name “KATHER LUTZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FEV MOTORENTECH GMBH
6 patentsUS6333843B2Dec 25, 2001
Method of starting an electromagnetic actuator operating a cylinder valve of a piston-type internal-combustion engine
FEV MOTORENTECH GMBH42 citations90
US6474276B1Nov 5, 2002
Method for controlling an electromagnetic valve drive mechanism for a gas exchange valve in an internal combustion piston engine
FEV MOTORENTECH GMBH36 citations89
US6373678B1Apr 16, 2002
Method of regulating the armature impact speed in an electromagnetic actuator by controlling the current supply based on performance characteristics
FEV MOTORENTECH GMBH20 citations88
US6655328B2Dec 2, 2003
Method for controlling an electromagnetic valve drive by changing the current direction when supplying the electromagnets with current
FEV MOTORENTECH GMBH9 citations73
US6340008B1Jan 22, 2002
Method for controlling an electromagnetic actuator for activating a gas exchange valve on a reciprocating internal combustion engine
FEV MOTORENTECH GMBH11 citations72
US6891364B2May 10, 2005
Sensor arrangement for recording the movement of an armature with suppression of interfering voltages
FEV MOTORENTECH GMBH4 citations57
FEV MOTORENTECH GMBH & CO KG
5 patentsUS5804962ASep 8, 1998
Method of adjusting the position of rest of an armature in an electromagnetic actuator
FEV MOTORENTECH GMBH & CO KG97 citations97
US5691680ANov 25, 1997
Method of recognizing the impingement of a reciprocating armature in an electromagnetic actuator
FEV MOTORENTECH GMBH & CO KG20 citations92
US5748433AMay 5, 1998
Method of accurately controlling the armature motion of an electromagnetic actuator
FEV MOTORENTECH GMBH & CO KG23 citations91
US5791305AAug 11, 1998
Method for monitoring a cylinder valve, actuated via an electromagnetic actuator, in a piston-type internal combustion engine
FEV MOTORENTECH GMBH & CO KG12 citations73
US6034856AMar 7, 2000
Method of recognizing whether an armature is in contact with an electromagnetic actuator
FEV MOTORENTECH GMBH & CO KG10 citations68