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Class Information
Number: 123/90.13
Name: Internal-combustion engines > Poppet valve operating mechanism > Hydraulic system > With manifold and distributor
Description: Device wherein the liquid under pressure is cyclically delivered through a manifold by an engine-driven distributor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7558713 |
Method for automating hydraulic manifold design |
Jul. 7, 2009 |
| 7513227 |
Valve timing control device |
Apr. 7, 2009 |
| 7475658 |
Electrohydraulic control module |
Jan. 13, 2009 |
| 7455040 |
Hydraulic circuit for switchable cam followers |
Nov. 25, 2008 |
| 7426912 |
Oil supply circuit for cylinder deactivation system |
Sep. 23, 2008 |
| 7404382 |
Variable engine valve control system with pressure difference |
Jul. 29, 2008 |
| 7347172 |
Hydraulic valve actuation system with valve lash adjustment |
Mar. 25, 2008 |
| 7341028 |
Hydraulic valve actuation systems and methods to provide multiple lifts for one or more engine air valves |
Mar. 11, 2008 |
| 7341033 |
Cylinder head cover |
Mar. 11, 2008 |
| 7314026 |
Electronic valve actuator having hydraulic displacement amplifier |
Jan. 1, 2008 |
| 7313918 |
Alternative (reciprocating) engine with recirculation of exhaust gases intended for the propulsion of automobiles and method turbocharging these motors |
Jan. 1, 2008 |
| 7305944 |
Control strategy for hydraulically-switched engine mechanisms |
Dec. 11, 2007 |
| 7302920 |
Variable valve actuator |
Dec. 4, 2007 |
| 7258088 |
Engine valve actuation system |
Aug. 21, 2007 |
| 7255075 |
Engine valve actuation system |
Aug. 14, 2007 |
| 7243624 |
Electrically operated valve for controlling flow of hydraulic fluid |
Jul. 17, 2007 |
| 7228826 |
Internal combustion engine valve seating velocity control |
Jun. 12, 2007 |
| 7210438 |
Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit |
May. 1, 2007 |
| 7204212 |
Camless engine hydraulic valve actuated system |
Apr. 17, 2007 |
| 7194991 |
Variable valve actuator |
Mar. 27, 2007 |
| 7178489 |
Variable valve system of internal combustion engine and hydraulic actuator |
Feb. 20, 2007 |
| 7178491 |
Control system and method for engine valve actuator |
Feb. 20, 2007 |
| 7178490 |
Device for hydraulic valve lift switching |
Feb. 20, 2007 |
| 7162982 |
Hydraulic valve actuator for reciprocating engine |
Jan. 16, 2007 |
| 7162986 |
Cylinder head cover |
Jan. 16, 2007 |
| 7156058 |
Variable valve actuator |
Jan. 2, 2007 |
| 7140336 |
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 |
Nov. 28, 2006 |
| 7134408 |
Device for the control of gas exchange valves |
Nov. 14, 2006 |
| 7089896 |
Device for controlling gas exchange valves |
Aug. 15, 2006 |
| 7086358 |
Method and device for controlling the speed of the valves of an internal combustion engine |
Aug. 8, 2006 |
| 7077083 |
Electro-hydraulic lost-motion valve train |
Jul. 18, 2006 |
| 7069887 |
Engine valve actuation system |
Jul. 4, 2006 |
| 7044092 |
Method and device for controlling an electrohydraulic unit for actuating the valves of an endothermic engine |
May. 16, 2006 |
| 7040265 |
Multiple displacement system for an engine |
May. 9, 2006 |
| 7007642 |
Hydraulic valve actuator for actuating a gas-exchange valve |
Mar. 7, 2006 |
| 7007644 |
System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine |
Mar. 7, 2006 |
| 7004123 |
Unit trigger actuator |
Feb. 28, 2006 |
| 6997147 |
Electrohydraulic unit for actuating the valves of an endothermic engine |
Feb. 14, 2006 |
| 6978746 |
Method and apparatus to control a variable valve control device |
Dec. 27, 2005 |
| 6978747 |
Hydraulic actuator cartridge for a valve |
Dec. 27, 2005 |
| 6971347 |
Electrohydraulic valve actuator assembly |
Dec. 6, 2005 |
| 6928966 |
Self-regulating electrohydraulic valve actuator assembly |
Aug. 16, 2005 |
| 6907851 |
Engine valve actuation system |
Jun. 21, 2005 |
| 6904895 |
Electro-hydraulic manifold assembly and method of making same |
Jun. 14, 2005 |
| 6892686 |
Magnet actuator for a camshaft controller |
May. 17, 2005 |
| 6857403 |
Hydraulically controlled actuator for activating a valve |
Feb. 22, 2005 |
| 6854431 |
Internal combustion engine comprising a hydraulic system |
Feb. 15, 2005 |
| 6823825 |
Oil supply structure for an engine cylinder head |
Nov. 30, 2004 |
| 6817325 |
Hydraulic manifold assembly for variable activation and deactivation of valves in an internal combustion engine |
Nov. 16, 2004 |
| 6802285 |
Engine having a variable valve actuation system |
Oct. 12, 2004 |
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