ClassID:

138631

F02B23/0678 - CPC Classification

Classification description:

Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets

Sub-classes:
Recent Application in this class:
#1
20230272736
2023-08-31

Piston, internal combustion engine, and vehicle

#2
20220034279
2022-02-03

Piston bowl geometries for internal combustion engines

#3
20210372346
2021-12-02

Internal combustion engine and piston having stepped combustion bowl with non-axisymmetric profile

#4
20200158007
2020-05-21

Combustion chamber structure for engine

#5
20200158006
2020-05-21

Combustion chamber structure for engine

#6
20200095921
2020-03-26

Internal combustion engine and method for its operation

#7
20200095920
2020-03-26

Piston design for flow re-direction

#8
20200011264
2020-01-09

FUEL INJECTION CONTROL SYSTEM AND FUEL INJECTION CONTROL METHOD FOR DIESEL ENGINE

#9
20200011263
2020-01-09

FUEL INJECTION CONTROL SYSTEM AND FUEL INJECTION CONTROL METHOD FOR DIESEL ENGINE

#10
20190203634
2019-07-04

Internal combustion engine

#11
20190112968
2019-04-18

DIESEL ENGINE HAVING REENTRANT COMBUSTION CHAMBER

#12
20190003372
2019-01-03

Piston crown for an internal combustion engine

#13
20180283314
2018-10-04

Internal combustion engine having piston with deflector channels and complementary cylinder head

#14
20180058315
2018-03-01

Skewed combustion chamber for opposed-piston engines

#15
20170306882
2017-10-26

Piston with asymmetric upper combustion surface and method of manufacture thereof

#16
20170030262
2017-02-02

Skewed combustion chamber for opposed-piston engines

#17
20160290224
2016-10-06

Asymmetrically-shaped combustion chamber for opposed-piston engines

#18
20160252067
2016-09-01

Opposed piston three nozzle piston bowl design

#19
20150122227
2015-05-07

Combustion chamber construction with dual mixing regions for opposed-piston engines

#20
20150013649
2015-01-15

Combustion chamber constructions for opposed-piston engines

#21
20140238341
2014-08-28

Combustion system for an engine having a swirl inducing combustion chamber

#22
20140014063
2014-01-16

Swirl-conserving combustion chamber construction for opposed-piston engines

#23
20130213342
2013-08-22

Piston crown bowls defining combustion chamber constructions in opposed-piston engines

#24
20120073541
2012-03-29

Fuel injection spray patterns for opposed-piston engines

#25
20110271932
2011-11-10

Combustion chamber constructions for opposed-piston engines

#26
20110083638
2011-04-14

Combustion chamber for fuel injected engines

#27
20100326400
2010-12-30

High Efficiency Pre-Chamber Internal Combustion Engines and Methods Thereof

#28
20100326388
2010-12-30

Induction driven ignition system

#29
20100258076
2010-10-14

Device for reducing emissions in a vehicle combustion engine

#30
20100116234
2010-05-13

Induction driven ignition system

#31
20090050122
2009-02-26

Induction driven ignition system

#32
20080135007
2008-06-12

Induction driven ignition system

#33
20070169741
2007-07-26

Internal combustion engine and operating method therefor

#34
15338651
2018-01-16

Piston design for jet placement