Patents-Review.com
ClassID:

138742 ⎘

F02B33/38 - CPC Classification

Classification description:

Engines characterised by provision of pumps for charging or scavenging; Engines with pumps other than of reciprocating-piston type with rotary pumps of positive-displacement type of Roots type

Recent Application in this class:
#1
20250003363
2025-01-02

SUPERCHARGED INTERNAL COMBUSTION ENGINE

 #2
20240280047
2024-08-22

Method and Apparatus for Transferring Auxiliary Power from an Engine Crankshaft Output to a Supercharger Input That Circumvents Belt Path Obstacles

 #3
20240209856
2024-06-27

SUPERCHARGER ROTORS FOR INCREASED ENGINE POWER OUTPUT

 #4
20230374958
2023-11-23

EGR pump system and control method of EGR pump

 #5
20230212976
2023-07-06

SUPERCHARGER

 #6
20230193816
2023-06-22

Method and apparatus for transferring auxiliary power from an engine crankshaft output to a supercharger input that circumvents belt path obstacles

 #7
20220307433
2022-09-29

Method for operating an internal combustion engine system

 #8
20220234106
2022-07-28

Additively manufactured rotors for superchargers and expanders

 #9
20210381554
2021-12-09

Elastomer series coupling damper for supercharger

 #10
20210071667
2021-03-11

EGR pump system and control method of EGR pump

 #11
20210071664
2021-03-11

EGR pump system and control method of EGR pump

 #12
20210017991
2021-01-21

CARTRIDGE STYLE FRONT COVER AND COUPLING CAVITY SLEEVE FOR AUTOMOTIVE SUPERCHARGER

 #13
20200408139
2020-12-31

Supercharger integral resonator

 #14
20200141370
2020-05-07

Engine assembly with engine and cooler compartments

 #15
20200116148
2020-04-16

TWIN ROTOR DEVICES WITH INTERNAL CLEARANCES REDUCED BY A COATING AFTER ASSEMBLY, A COATING SYSTEM, AND METHODS

 #16
20200102881
2020-04-02

Supercharger

 #17
20200080558
2020-03-12

Inlet port configuration for roots-type supercharger

 #18
20190383287
2019-12-19

Optimized helix angle rotors for roots-style supercharger

 #19
20190360533
2019-11-28

Elastomer series coupling damper for supercharger

 #20
20190338695
2019-11-07

DUAL PASS INTERCOOLED SUPERCHARGER

 #21
20190278309
2019-09-12

Pressure relief valve apparatus, system and method

 #22
20190277208
2019-09-12

Supercharging device for engine

 #23
20190277207
2019-09-12

Supercharging device for engine

 #24
20190203708
2019-07-04

HOLLOW ROTOR LOBE AND CONTROL OF TIP DEFLECTION

 #25
20190070664
2019-03-07

Additively manufactured rotors for superchargers and expanders

 #26
20190048790
2019-02-14

Branch communication valve for a twin scroll turbocharger

 #27
20190040808
2019-02-07

Adaptive state of charge regulation and control of variable speed hybrid electric supercharger assembly for efficient vehicle operation

 #28
20190032727
2019-01-31

ELECTROMAGNETIC CLUTCH ASSEMBLY

 #29
20190032660
2019-01-31

Rotor for a positive displacement compressor

 #30
20190032546
2019-01-31

Supercharger

 #31
20190003430
2019-01-03

Engine assembly with engine and cooler compartments

 #32
20180372101
2018-12-27

LOW INERTIA LAMINATED ROTOR

 #33
20180371933
2018-12-27

OPTIMIZED ENGINE CONTROL WITH ELECTRIFIED INTAKE AND EXHAUST

 #34
20180347661
2018-12-06

Elastomer series coupling damper for supercharger

 #35
20180306191
2018-10-25

SUPERCHARGER INLET PANELS

 #36
20180274542
2018-09-27

BEARING PLATE NOISE DAMPER

 #37
20180252153
2018-09-06

Intake air boost system for two-cycle engine having roots blowers

 #38
20180202444
2018-07-19

PRESS FIT TIMING GEAR HAVING WEB CONFIGURATION AND INSERT MOLDED COUPLING FOR SUPERCHARGER

 #39
20180187727
2018-07-05

Dual clutch assembly with neutral function and transmission assembly

 #40
20180171865
2018-06-21

SUPERCHARGER INTEGRAL RESONATOR

 #41
20180100506
2018-04-12

SUPERCHARGER HAVING ROTOR WITH PRESS-FIT STUB SHAFTS

 #42
20180073508
2018-03-15

Preloaded Bearing

 #43
20180045103
2018-02-15

Packaged electrical assist assembly for supercharged power plant

 #44
20180031041
2018-02-01

LOW CREEP BEARING AND METHOD FOR INSTALLING IN SUPERCHARGER

 #45
20170363051
2017-12-21

Supercharged engine

 #46
20170350310
2017-12-07

Dual Pass Intercooled Supercharger

 #47
20170298733
2017-10-19

COMPOSITE MOLDED ROTARY COMPONENT

 #48
20170276076
2017-09-28

SUPERCHARGER BYPASS VALVE AND METHOD OF CONTROLLING SAME

 #49
20170276062
2017-09-28

Branch communication valve for a twin scroll turbocharger

 #50
20170260981
2017-09-14

SEGMENTED ROTOR FORM FOR SUPERCHARGERS AND EXPANDERS

 #51
20170248103
2017-08-31

Engine including direct injector and port injector

 #52
20170241327
2017-08-24

Supercharger cooling means

 #53
20170227010
2017-08-10

Cartridge style front cover and coupling cavity sleeve for automotive supercharger

 #54
20170204881
2017-07-20

Supercharger outlet resonator

 #55
20170175818
2017-06-22

SUPERCHARGER COUPLING ASSEMBLY

 #56
20170167362
2017-06-15

Thermal abatement systems

 #57
20170146012
2017-05-25

Twin rotor devices with internal clearances reduced by a coating after assembly, a coating system, and methods

 #58
20170130643
2017-05-11

COMPOSITE ROTARY COMPONENT

 #59
20170067464
2017-03-09

Optimized helix angle rotors for roots-style supercharger

 #60
20170009643
2017-01-12

Supercharger system for motorized vehicles and related transportation

 #61
20170002872
2017-01-05

Elastomeric coupling for supercharger

 #62
20160356318
2016-12-08

Elastomer series coupling damper for supercharger

 #63
20160324069
2016-11-10

Cooling system and air delivery system for a farm machine

 #64
20160319817
2016-11-03

METHOD OF OPTIMIZING SUPERCHARGER PERFORMANCE

 #65
20160319733
2016-11-03

Boost system including hybrid drive supercharger with compact configuration

 #66
20160290256
2016-10-06

Engine control using calculated cylinder air charge

 #67
20160252014
2016-09-01

Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms

 #68
20160237885
2016-08-18

SUPERCHARGER HAVING PRE-BOOSTING CONFIGURATION

 #69
20160237880
2016-08-18

Boost system including turbo and hybrid drive supercharger

 #70
20160222966
2016-08-04

Supercharger having integrated clutch and torsional damper

 #71
20160222876
2016-08-04

SUPERCHARGER HAVING MULTIPLE SPEEDS

 #72
20160047340
2016-02-18

Thermal abatement systems

 #73
20160003250
2016-01-07

AXIAL SEAL FOR ROOTS-STYLE SUPERCHARGER

 #74
20160003248
2016-01-07

Low inertia laminated rotor

 #75
20160003129
2016-01-07

BEARING PLATE BLEED PORT FOR ROOTS-TYPE SUPERCHARGERS

 #76
20150377158
2015-12-31

Adaptive state of charge regulation and control of variable speed hybrid electric supercharger assembly for efficient vehicle operation

 #77
20150337716
2015-11-26

Supercharger

 #78
20150260085
2015-09-17

Branch communication valve for a twin scroll turbocharger

 #79
20150252719
2015-09-10

Composite supercharger rotors and methods of construction thereof

 #80
20150198150
2015-07-16

Integral resonators for roots-type supercharger

 #81
20150066272
2015-03-05

ELECTRIC ENERGY GENERATION USING VARIABLE SPEED HYBRID ELECTRIC SUPERCHARGER ASSEMBLY

 #82
20150047617
2015-02-19

Variable speed hybrid electric supercharger assembly and method of control of vehicle having same

 #83
20140334959
2014-11-13

SUPERCHARGER TORSIONAL COMPLIANCE AND DAMPING FEATURES

 #84
20140311136
2014-10-23

Internal combustion and waste heat steam engine having a heat recovery steam generator exhaust manifold

 #85
20140283797
2014-09-25

Supercharger assembly with two rotor sets

 #86
20140238361
2014-08-28

Supercharger assembly with independent superchargers and motor/generator

 #87
20140219849
2014-08-07

Branch communication valve for a twin scroll turbocharger

 #88
20140017101
2014-01-16

CLUTCH SUBASSEMBLY AND CLUTCHED SUPERCHARGER MADE USING THE SAME

 #89
20130340726
2013-12-26

Engine balancing supercharger

 #90
20130266422
2013-10-10

Integrated clutch supercharger

 #91
20130160749
2013-06-27

Supercharger coupling

 #92
20130160748
2013-06-27

Engine blower scroll

 #93
20130146035
2013-06-13

Air supply system with two-stage roots blower

 #94
20120221223
2012-08-30

Method of operating a vehicle equipped with a pneumatic booster system

 #95
20120210985
2012-08-23

Two stroke, opposed-piston engines with engine braking

 #96
20120192834
2012-08-02

COMBUSTION METHOD AND APPARATUS

 #97
20120124996
2012-05-24

Dual-inlet supercharger for EGR flow control

 #98
20120073526
2012-03-29

Piston constructions for opposed-piston engines

 #99
20120041664
2012-02-16

Method for powering an apparatus

 #100
20120037473
2012-02-16

Integrated clutch supercharger

 #101
20120037130
2012-02-16

Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms

 #102
20110303198
2011-12-15

Belted gear assembly for driving a supercharger

 #103
20110239642
2011-10-06

Two-stroke HCCI compound free-piston/gas-turbine engine

 #104
20110204654
2011-08-25

Engine and supercharger

 #105
20110131980
2011-06-09

Dual-inlet supercharger for EGR flow control

 #106
20110131975
2011-06-09

Hybrid high-pressure low-pressure EGR system

 #107
20110083647
2011-04-14

Internal combustion engine and supercharger

 #108
20110083432
2011-04-14

Internal combustion engine and supercharger

 #109
20110058974
2011-03-10

Optimized helix angle rotors for roots-style supercharger

 #110
20110030641
2011-02-10

THROTTLE LOSS RECOVERY AND SUPERCHARGING SYSTEM FOR INTERNAL COMBUSTION ENGINES

 #111
20100269798
2010-10-28

Integral rotor noise attenuators

 #112
20100269797
2010-10-28

Tuning device with combined backflow function

 #113
20100175946
2010-07-15

Supercharger-equipped internal combustion engine for saddle-ride type vehicle

 #114
20100116255
2010-05-13

Secondary air and exhaust gas recirculation for a four-stroke internal combustion engine

 #115
20100116254
2010-05-13

Roots type gear compressor with helical lobes having communication with discharge port

 #116
20100108040
2010-05-06

Supercharger system for motorized vehicles and related transportation

 #117
20100071673
2010-03-25

Engine with belt/alternator/supercharger system

 #118
20090260906
2009-10-22

Automotive vehicle engine apparatus

 #119
20090148330
2009-06-11

Optimized helix angle rotors for Roots-style supercharger

 #120
20090114195
2009-05-07

Hybrid vehicle

 #121
20080292487
2008-11-27

Tapered rotor assemblies for a supercharger

 #122
20080288157
2008-11-20

High efficiency stoichiometric internal combustion engine system

 #123
20080208435
2008-08-28

INTERNAL COMBUSTION ENGINE AND WORKING CYCLE

 #124
20080208434
2008-08-28

Internal Combustion Engine and Working Cycle

 #125
20080201059
2008-08-21

INTERNAL COMBUSTION ENGINE AND WORKING CYCLE

 #126
20080201058
2008-08-21

INTERNAL COMBUSTION ENGINE AND WORKING CYCLE

 #127
20080149452
2008-06-26

Torsion damping mechanism for a supercharger

 #128
20080135010
2008-06-12

Intake assembly having Helmholtz resonators

 #129
20080092860
2008-04-24

Internal Combustion Engine and Working Cycle

 #130
20080060623
2008-03-13

SUPERCHARGER WITH GEAR CASE COOLING FAN

 #131
20080060622
2008-03-13

Supercharger with housing internal noise attenuation

 #132
20080034751
2008-02-14

Clutched super turbo control strategy

 #133
20070277524
2007-12-06

Engine And An Apparatus For Providing Forced Aspiration To An Engine

 #134
20070169762
2007-07-26

Apparatus for a vehicle

 #135
20070137626
2007-06-21

Engine supercharging system

 #136
20070131182
2007-06-14

Internal turbine-like toroidal combustion engine

 #137
20070107704
2007-05-17

Supercharger and air inlet assembly for a V type internal combustion engine

 #138
20070044776
2007-03-01

Variable speed supercharger

 #139
20060263230
2006-11-23

Optimized helix angle rotors for Roots-style supercharger

 #140
20060236959
2006-10-26

Pneumatically actuated valve for internal combustion engines

 #141
20060182626
2006-08-17

Axial flow supercharger and fluid compression machine

 #142
20060157036
2006-07-20

Positive displacement supercharging apparatus for use in an in-line internal combustion engine and its method of formation

 #143
20060117750
2006-06-08

EGR system

 #144
20060021606
2006-02-02

Internal combustion engine and working cycle

 #145
20050198957
2005-09-15

Turbocompound forced induction system for small engines

 #146
20050172919
2005-08-11

Water-jet propulsion personal watercraft

 #147
20050139198
2005-06-30

Intake apparatus for engine of vehicle

 #148
20050115547
2005-06-02

Internal combustion engine and working cycle

 #149
20050098162
2005-05-12

Internal combustion engine and working cycle

 #150
20050045139
2005-03-03

Air intake system for an internal combustion engine

 #151
20050011502
2005-01-20

Lubrication optimization of single spring isolator

 #152
16723421
2022-10-04

Sealing configurations for marine engines having a supercharger and charge air cooler

 #153
15077830
2017-06-20

Dual pass intercooled supercharger