ClassID:

136531

F01B31/14 - CPC Classification

Classification description:

Component parts, details, or accessories not provided for in, or of interest apart from, other groups Changing of compression ratio

Recent Application in this class:
#1
20220154652
2022-05-19

Internal combustion engine system

#2
20200232325
2020-07-23

VARIABLE OPERATION SYSTEM FOR INTERNAL COMBUSTION ENGINE, AND CONTROL DEVICE THEREFOR

#3
20200131985
2020-04-30

Length-adjustable connecting rod with control device

#4
20190316517
2019-10-17

Method and system for diagnosing and/or controlling a reciprocating engine having a variable compression ratio

#5
20190072031
2019-03-07

Switch valve for controlling a hydraulic fluid flow and connecting rod for a variable compression internal combustion engine with a switch valve

#6
20190063312
2019-02-28

Otto-cycle engine

#7
20180306071
2018-10-25

Method for a diesel engine and diesel engine

#8
20180274458
2018-09-27

Method and system for engine control

#9
20180245508
2018-08-30

Variable compression ratio mechanism and internal combustion engine

#10
20180230900
2018-08-16

Check valve for connecting rod of variable compression internal combustion engine and connecting rod with the check valve

#11
20180223730
2018-08-09

Actuator of link mechanism for internal combustion engine

#12
20180179918
2018-06-28

Free piston device

#13
20180016972
2018-01-18

Actuator for link mechanism for internal combustion engine

#14
20160326945
2016-11-10

Internal combustion engine with an adjustable volume induction chamber

#15
20160102629
2016-04-14

Cylinder head for an auto-ignition engine with direct injection

#16
20100294246
2010-11-25

PARALLEL CRANK DRIVE

#17
20090272357
2009-11-05

Engine with a slidable valve

#18
20070256658
2007-11-08

COMBINED VARIABLE COMPRESSION RATIO AND PASSIVE IGNITION SYSTEM

#19
20070151538
2007-07-05

Rotary valve system and engine using the same

#20
20070151537
2007-07-05

Rotary valve system and engine using the same

#21
20070017477
2007-01-25

Rotary valve system and engine using the same

#22
20070017476
2007-01-25

Rotary valve system and engine using the same

#23
20070017204
2007-01-25

Internal combustion engine and method

#24
20070017203
2007-01-25

Internal combustion engine and method

#25
20070017202
2007-01-25

Internal combustion engine and method

#26
20070017201
2007-01-25

Internal combustion engine and method

#27
20070017200
2007-01-25

Internal combustion engine and method

#28
20070012291
2007-01-18

Internal combustion engine and method

#29
20070012024
2007-01-18

Internal combustion engine and method

#30
20070012023
2007-01-18

Internal combustion engine and method with improved combustion chamber

#31
20070012022
2007-01-18

Internal combustion engine and method with improved combustion chamber

#32
20070012021
2007-01-18

Internal combustion engine and method with improved combustion chamber

#33
20070012020
2007-01-18

Internal combustion engine and method with improved combustion chamber

#34
20060254554
2006-11-16

Rotary valve system and engine using the same

#35
20060254249
2006-11-16

Internal combustion engine and method with improved combustion chamber

#36
20060243229
2006-11-02

Internal combustion engine and method