F04C14/12 - CPC Classification Index

ClassID:

143506 ⎘

F04C14/12 - CPC Classification

Classification description:

Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves

Recent Application in this class:

20250012274

2025-01-09

FUEL SUPPLY SYSTEM AND FUEL SUPPLY METHOD FOR AIRCRAFT GAS TURBINE ENGINE

20240003346

2024-01-04

Sliding-pocket variable-displacement pump with compensation chambers

20230383741

2023-11-30

Method for determining a discharge pressure of a rolling piston compressor

20230137362

2023-05-04

Rotary compressor

20210199113

2021-07-01

PUMP BODY ASSEMBLY, COMPRESSOR AND AIR CONDITIONER

20190376509

2019-12-12

Variable displacement pump

20190048899

2019-02-14

Hydraulic device that controls pulsation in first oil by increasing rotation number of second pump

20170227005

2017-08-10

Positive displacement pump having multiple operating stages

20160369795

2016-12-22

Variable delivery external gear machine

#10

20150086403

2015-03-26

Internal-gear pump and hydraulic circuit for a motor vehicle drivetrain

#11

20140134030

2014-05-15

Compressor valve system and assembly

#12

20140023539

2014-01-23

Variable oil pump with improved partitioning section

#13

20130209237

2013-08-15

Oil supply apparatus

#14

20120213655

2012-08-23

Oil Pump

#15

20100150761

2010-06-17

Hydraulic machine

#16

20090293834

2009-12-03

Oil supplying apparatus for engine

#17

20080145260

2008-06-19

Vane Pump with Moveable Sleeve

#18

20080105231

2008-05-08

Oil supplying apparatus for engine

#19

20070062183

2007-03-22

Pump device

#20

20060280636

2006-12-14

Pump with multiple volume streams

#21

20050098385

2005-05-12

Oil supply system for engine