F04C18/34 - CPC Classification Index

ClassID:

143602 ⎘

F04C18/34 - CPC Classification

Classification description:

Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members

Sub-classes:

F04C18/344 » with vanes reciprocating with respect to the inner member 159
F04C18/356 » with vanes reciprocating with respect to the outer member 172

Recent Application in this class:

20230235670

2023-07-27

Accumulator fixing device for compressor and compressor having the same

20200318640

2020-10-08

Method of pumping in a system of vacuum pumps and system of vacuum pumps

20190242381

2019-08-08

Compressor pump structure and compressor

20190226482

2019-07-25

Compressor pump structure and compressor

20180363648

2018-12-20

Rotary Fluid Transfer Apparatus and Associated Methods

20180335033

2018-11-22

Filtering element and associated mounting device for vacuum pump

20180248426

2018-08-30

Motor, rotor, compressor, and refrigeration and air conditioning apparatus

20180245591

2018-08-30

Fluid machinery, heat exchange equipment, and operating method for fluid machinery

20180230981

2018-08-16

Fluid machinery, heat exchange equipment, and operating method for fluid machinery

#10

20180156215

2018-06-07

Rotary compressor and refrigeration cycle device having same

#11

20180080447

2018-03-22

Electric compressor

#12

20170284394

2017-10-05

Pumping system for generating a vacuum and method for pumping by means of this pumping system

#13

20170276136

2017-09-28

FLUID MACHINE

#14

20170248140

2017-08-31

Two-cylinder hermetic compressor

#15

20170229943

2017-08-10

Electric compressor

#16

20170211428

2017-07-27

Air compressor having supplemental power source

#17

20170146002

2017-05-25

Cord management system for a portable air compressor

#18

20170138642

2017-05-18

Heat cycle system

#19

20170122321

2017-05-04

Method of pumping in a system of vacuum pumps and system of vacuum pumps

#20

20170104399

2017-04-13

Electric motor and compressor having the same

#21

20170101988

2017-04-13

Integrated pressure plate and port plate for pump

#22

20170098970

2017-04-06

Rotor, permanent-magnet-embedded motor, and compressor

#23

20170089340

2017-03-30

Compressor having oil-level sensing system

#24

20170070109

2017-03-09

Embedded permanent magnet-type electric motor, compressor, and refrigeration/air-conditioning device

#25

20170037851

2017-02-09

Motor vehicle vacuum pump having an adhesive

#26

20170009770

2017-01-12

Motor vehicle vacuum pump

#27

20170008501

2017-01-12

Motor vehicle assembly arrangement with an internal combustion engine and a switchable vacuum pump

#28

20160319816

2016-11-03

Compressor having oil-level sensing system

#29

20160312783

2016-10-27

Vacuum pump outlet valve

#30

20160245288

2016-08-25

Motor driven compressor

#31

20160230761

2016-08-11

Hydraulic arrangement

#32

20160141953

2016-05-19

On-vehicle electronic device and motor-driven compressor

#33

20160102666

2016-04-14

Vane pump and fuel vapor leakage detection device using the same

#34

20160061039

2016-03-03

ROTARY DEVICE INCLUDING A COUNTERBALANCED SEAL ASSEMBLY

#35

20160061038

2016-03-03

ROTARY DEVICE INCLUDING A COUNTERBALANCED SEAL ASSEMBLY

#36

20150275895

2015-10-01

Rotary compressor with increased heating ability and refrigerant circuit for an air conditioner

#37

20150240814

2015-08-27

COMPRESSOR FOR NATURAL GAS

#38

20150240806

2015-08-27

Rotary pump with a plastic composite structure

#39

20150236574

2015-08-20

Single-phase induction motor, hermetic compressor, and refrigeration cycle device

#40

20150233374

2015-08-20

Rotary Fluid Transfer Apparatus and Associated Methods

#41

20150167598

2015-06-18

Rotational pump and fuel vapor leakage detection device having the same

#42

20140199199

2014-07-17

Gas pump with pressure relief for reducing the starting torque