Inventor
WIEMKEN NORVAL J
US10 patents
Patents
10 patentsUS6951204B2Oct 4, 2005
Hydraulic fuel injection system with independently operable direct control needle valve
CATERPILLAR INC27 citations92
US6431472B1Aug 13, 2002
Fuel injector nozzle with outwardly opening check valve
CATERPILLAR INC19 citations92
US5871155AFeb 16, 1999
Hydraulically-actuated fuel injector with variable rate return spring
CATERPILLAR INC20 citations92
US7278593B2Oct 9, 2007
Common rail fuel injector
CATERPILLAR INC25 citations91
US5901686AMay 11, 1999
Fluid seal for cyclic high pressures within a fuel injector
CATERPILLAR INC23 citations91
US5499612AMar 19, 1996
Dual-function clamping assembly adapted for a hydraulically-actuated fuel injector
CATERPILLAR INC48 citations85
US5870995AFeb 16, 1999
Space saving high pressure fluid supply clamp for a fuel injector
CATERPILLAR INC15 citations73
US5682861ANov 4, 1997
Fluid seal for cyclic high pressures within a fuel injection
CATERPILLAR INC11 citations72
US6955114B2Oct 18, 2005
Three way valve and electro-hydraulic actuator using same
CATERPILLAR INC5 citations61
US7077381B2Jul 18, 2006
Desensitizing armature air gap to component distortion in a fuel injector
CATERPILLAR INC4 citations60