Inventor
VATTANEO FRANCESCO
IT34 patents
⚠️ This page may combine multiple inventors who share the name “VATTANEO FRANCESCO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FIAT RICERCHE
27 patentsUS5839400ANov 24, 1998
Internal combustion engine with variably actuated valves
FIAT RICERCHE66 citations93
US5309872AMay 10, 1994
Device for operating a valve in an internal combustion engine
FIAT RICERCHE21 citations91
US6807937B2Oct 26, 2004
Multi-cylinder diesel engine with variably actuated valves
FIAT RICERCHE33 citations89
US6530350B2Mar 11, 2003
Internal-combustion engine with hydraulic system for variable operation of the valves and means for compensating variations in volume of the hydraulic fluid
FIAT RICERCHE13 citations82
US6325028B1Dec 4, 2001
Internal combustion engines with variable valve actuation
FIAT RICERCHE20 citations82
US7878480B2Feb 1, 2011
System and method for controlling a solenoid valve, particularly for a system for variable actuation of the valves of an internal combustion engine according to a multi-lift mode
FIAT RICERCHE11 citations80
US6918364B2Jul 19, 2005
Multicylinder engine with valve variable actuation, and an improved valve braking device therefor
FIAT RICERCHE19 citations76
US9175630B2Nov 3, 2015
Internal-combustion engine having a system for variable actuation of the intake valves, provided with three-way solenoid valves, and method for controlling said engine
FIAT RICERCHE4 citations73
US6553950B2Apr 29, 2003
Internal-combustion engine with variable-operation valves and auxiliary hydraulic tappet
FIAT RICERCHE10 citations72
US6053136AApr 25, 2000
To internal combustion engines with variable valve actuation
FIAT RICERCHE13 citations72
US7210438B2May 1, 2007
Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit
FIAT RICERCHE8 citations71
US7059284B2Jun 13, 2006
Internal combustion engine having valves with variable actuation and hydraulic actuating units which control the valves by means of rocker arms
FIAT RICERCHE2 citations62
US6601553B1Aug 5, 2003
Multicylinder internal-combustion engine with electronically controlled hydraulic device for controlling variable actuation of the valves, integrated in a pre-assembled unit mounted on the engine cylinder head
FIAT RICERCHE3 citations61
US6520130B2Feb 18, 2003
Internal-combustion engine with hydraulic system for variable operation of the valves and with means for bleeding the hydraulic system
FIAT RICERCHE6 citations61
USRE40381EJun 17, 2008
Multi-cylinder diesel engine with variably actuated valves
FIAT RICERCHE5 citations58
US7140336B2Nov 28, 2006
Internal combustion engine with valves with variable actuation which are driven by a single pumping piston and controlled by a single solenoid valve for each engine cylinder
FIAT RICERCHE3 citations58
US6981476B2Jan 3, 2006
Internal combustion engine with a single camshaft which controls exhaust valves mechanically and intake valves through an electronically controlled hydraulic device
FIAT RICERCHE3 citations58
US7819100B2Oct 26, 2010
Internal combustion engine with intake valves having a variable actuation and a lift profile including a constant lift boot portion
FIAT RICERCHE6 citations57
US7171932B2Feb 6, 2007
Internal-combustion engine having an electronically controlled hydraulic device for variably actuating intake valves
FIAT RICERCHE3 citations57
US10619556B2Apr 14, 2020
Internal combustion engine with gas feeding system
FIAT RICERCHE1 citations54
US6520129B2Feb 18, 2003
Internal combustion engine with an hydraulic system for the variable driving of valves and a double-piston tappet
FIAT RICERCHE1 citations51
US6712030B2Mar 30, 2004
Internal-combustion engine with hydraulic system for variable operation of the engine valves
FIAT RICERCHE0 citations40
US9970336B2May 15, 2018
Internal-combustion engine with an electronically controlled hydraulic system for variable actuation of the intake valves, provided with a device for refilling the system with fluid
FIAT RICERCHE0 citations39
US10487704B2Nov 26, 2019
System for variable actuation of a valve of an internal-combustion engine
FIAT RICERCHE0 citations38
US10364712B2Jul 30, 2019
System for variable actuation of a valve of an internal-combustion engine
FIAT RICERCHE0 citations38
US10240524B2Mar 26, 2019
System for variable actuation of a valve of an internal-combustion engine
FIAT RICERCHE0 citations38
US9200548B2Dec 1, 2015
Spark ignition internal combustion engine having intake valves with variable actuation and delayed closure
FIAT RICERCHE0 citations35
VATTANEO FRANCESCO
2 patentsUS8230830B2Jul 31, 2012
Electronically controlled hydraulic system for variable actuation of the valves of an internal combustion engine, with fast filling of the high pressure side of the system
VATTANEO FRANCESCO4 citations60
US8079331B2Dec 20, 2011
Internal-combustion engine, in particular a two-cylinder engine, provided with a simplified system for variable actuation of the engine valves
VATTANEO FRANCESCO4 citations58