Inventor
KEMPER HANS
DE12 patents
⚠️ This page may combine multiple inventors who share the name “KEMPER HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FEV MOTORENTECH GMBH
8 patentsUS6422185B1Jul 23, 2002
Method for operating a piston-type internal-combustion engine in the event of a temporary functional failure of an electromagnetic valve train
FEV MOTORENTECH GMBH53 citations91
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
US6427651B1Aug 6, 2002
Method for controlling the final position of a gas exchange valve actuated by an electromagnetic actuator in an internal combustion piston engine
FEV MOTORENTECH GMBH16 citations82
US6247432B1Jun 19, 2001
Engine valve assembly for an internal-combustion engine, including an electromagnetic actuator
FEV MOTORENTECH GMBH18 citations81
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
US7116004B2Oct 3, 2006
Method for regulating the operation of a device for generating electric energy by means of a generator driven by a free-piston internal combustion engine
FEV MOTORENTECH GMBH4 citations59
US7044438B2May 16, 2006
Electromagnetic actuator with non-symmetrical magnetic circuit layout for actuating a gas-reversing valve
FEV MOTORENTECH GMBH3 citations57
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
3 patentsUS6073596AJun 13, 2000
Method for controlling electromagnetic actuators for operating cylinder valves in piston-type internal combustion engines
FEV MOTORENTECH GMBH & CO KG36 citations92
US5818680AOct 6, 1998
Apparatus for controlling armature movements in an electromagnetic circuit
FEV MOTORENTECH GMBH & CO KG38 citations92
US6081413AJun 27, 2000
Method of controlling armature movements in an electromagnetic circuit
FEV MOTORENTECH GMBH & CO KG13 citations73