ClassID:

143461

F04C2/348 - 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 with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member

Recent Application in this class:
#1
20230184127
2023-06-15

Rotary vane device with longitudinally extending seals

#2
20230096852
2023-03-30

Fuel pump with determinant translating cam arrangement

#3
20220128051
2022-04-28

Dual vane pump with pre-pressurization passages

#4
20210270266
2021-09-02

ROTARY VANE PUMP

#5
20180142686
2018-05-24

Positive-Displacement Pump, Method for Operating a Positive-Displacement Pump, and Steering System

#6
20180128107
2018-05-10

Vane oil pump with different back pressure supplied to vanes

#7
20180023562
2018-01-25

External rotor pump with a surface structure having a load-bearing region and a non-load bearing region

#8
20170122312
2017-05-04

Vane pump device

#9
20170016443
2017-01-19

Vane for a vane cell pump and vane cell pump

#10
20160186751
2016-06-30

Variable displacement pump

#11
20160084248
2016-03-24

POSITIVE DISPLACEMENT HYDRAULIC PUMPS

#12
20150183459
2015-07-02

Power steering apparatus

#13
20140248171
2014-09-04

Variable displacement pump having rotating cam ring

#14
20140140880
2014-05-22

Rotary fluid machine operable as a motor or a pump

#15
20130251580
2013-09-26

Pendulum-slide pump having variable groove radii greater in transition than therebetween

#16
20130164163
2013-06-27

Variable displacement pump

#17
20110194962
2011-08-11

VANE PUMP WITH VARIABLE DISCHARGE VOLUME

#18
20100322542
2010-12-23

Self-aligning journal bearing

#19
20100166588
2010-07-01

Vane pump with rotating cam ring and increased under vane pressure

#20
20100119396
2010-05-13

VARIABLE DISPLACEMENT DUAL VANE PUMP

#21
20090155113
2009-06-18

VARIABLE DELIVERY VANE OIL PUMP

#22
20090148309
2009-06-11

Variable displacement pump having a rotating cam ring

#23
20090142215
2009-06-04

Vane pump with tilting pad radial bearings

#24
20090110577
2009-04-30

Variable delivery vane oil pump, in particular for oil

#25
20070025870
2007-02-01

Eccentric pump, and use thereof

#26
20060269423
2006-11-30

Variable displacement pump having a rotating cam ring

#27
20060191360
2006-08-31

Oscillating slide machine

#28
20060099100
2006-05-11

Cam ring bearing for fuel delivery system