ClassID:

143452

F04C2/34 - CPC Classification

Classification description:

Rotary-piston machines or pumps having the characteristics covered by two or more 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 groups or and relative reciprocation between the co-operating members

Sub-classes:
Recent Application in this class:
#1
20230108147
2023-04-06

Flow channeling structure

#2
20200332657
2020-10-22

Liquid pump capable of achieving pressure equilibrium

#3
20190024659
2019-01-24

Vane pump seal

#4
20190011046
2019-01-10

HYDRAULIC CIRCUIT TO ENABLE UNIDIRECTIONAL FLOW UNDER FORWARD AND REVERSE POSITIVE DISPLACEMENT PUMP ROTATION

#5
20180363648
2018-12-20

Rotary Fluid Transfer Apparatus and Associated Methods

#6
20180187677
2018-07-05

Vane pump seal

#7
20180135228
2018-05-17

Laundry-care appliance comprising a metering system

#8
20170350471
2017-12-07

Actuator arrangement for applying a torque to a shaft, in particular a crankshaft of a reciprocating piston engine, and a corresponding method

#9
20170260979
2017-09-14

Seal arrangement for a switchable vane cell pump of cartridge design

#10
20170217439
2017-08-03

Control device and control method for driving device

#11
20170101988
2017-04-13

Integrated pressure plate and port plate for pump

#12
20160327047
2016-11-10

SELFPRIMING SYSTEM HAVING VALVE FOR A CENTRIFUGAL PUMP

#13
20160201462
2016-07-14

Non-Coaxial Multi-Axial Rotating Mechanism

#14
20160153450
2016-06-02

Pump for metering a liquid additive for a selective catalytic reduction device

#15
20160153449
2016-06-02

Vehicular hydraulics supply device

#16
20160153448
2016-06-02

Turbocharger generating vacuum negative pressure, vacuum negative pressure supply type brake system using the same, and control method thereof

#17
20160153325
2016-06-02

Variable displacement oil pump

#18
20160084249
2016-03-24

Variable displacement vane pump

#19
20160061039
2016-03-03

ROTARY DEVICE INCLUDING A COUNTERBALANCED SEAL ASSEMBLY

#20
20160061038
2016-03-03

ROTARY DEVICE INCLUDING A COUNTERBALANCED SEAL ASSEMBLY

#21
20150240807
2015-08-27

ADJUSTABLE VANE PUMP

#22
20150240806
2015-08-27

Rotary pump with a plastic composite structure

#23
20150233374
2015-08-20

Rotary Fluid Transfer Apparatus and Associated Methods

#24
20140186202
2014-07-03

Compressor

#25
20140186201
2014-07-03

Compressor

#26
20100284835
2010-11-11

Pump gear and pump assembly for a generator

#27
15420308
2018-03-13

Aerated squeeze-film damper