ClassID:

137309

F01L9/021 - CPC Classification

Classification description:

Sub-classes:
Recent Application in this class:
#1
20200182105
2020-06-11

OIL CONTROL VALVE

#2
20190353062
2019-11-21

Valve drive for an internal combustion engine

#3
20190107012
2019-04-11

Two-piece block for variable valve train system

#4
20190101031
2019-04-04

Regenerative valve hydraulic actuator

#5
20180363516
2018-12-20

Camless engine design

#6
20180328240
2018-11-15

Hydraulic early engine exhaust valve opening system

#7
20180283230
2018-10-04

Multi-piece valve train block with integrated camshaft support

#8
20180010490
2018-01-11

Internal combustion engine gas exchange valve hydraulic actuator

#9
20170335727
2017-11-23

System and method of adjusting actuation timing of valves in a piston engine

#10
20170184017
2017-06-29

System for variable actuation of a valve of an internal-combustion engine

#11
20170183990
2017-06-29

System for variable actuation of a valve of an internal-combustion engine

#12
20170183989
2017-06-29

CRANKSHAFT DRIVEN VALVE ACTUATION

#13
20160369667
2016-12-22

Valve gear for engine

#14
20160369666
2016-12-22

Actuator for axial displacement of an object

#15
20160312752
2016-10-27

Multi-fuel compression ignition engine

#16
20160290180
2016-10-06

Valve opening/closing timing control device

#17
20160169063
2016-06-16

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

#18
20160076412
2016-03-17

Engine variable valve lift system having integrated hydraulic fluid retention

#19
20150198068
2015-07-16

Direct timing system for internal combustion engine

#20
20150176439
2015-06-25

Method for operating an internal combustion engine with electrohydraulic valve control means

#21
20150013630
2015-01-15

Device for the variable control of at least one valve, for example for a reciprocating engine

#22
20140366820
2014-12-18

Apparatus for actuating valves in vehicles in variable valve control manner

#23
20140366528
2014-12-18

Coordinating variable valve actuation and turbocharger operation in an internal combustion engine

#24
20140238324
2014-08-28

Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve events

#25
20140190429
2014-07-10

Systems and methods for variable valve actuation

#26
20140109849
2014-04-24

Variable valve timing apparatus

#27
20130276730
2013-10-24

Internal-combustion engine with cylinders that can be deactivated, in which the deactivated cylinders are used as pumps for recirculating the exhaust gases into the active cylinders, and method for controlling said engine

#28
20130081586
2013-04-04

Variable valve system

#29
20120204825
2012-08-16

Variable valve timing device for internal combustion engines utilizing hydraulic valve actuators