ClassID:

143596

F04C18/321 - 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 both the movement defined in group and relative reciprocation between the co-operating members with vanes hinged to the inner member and reciprocating with respect to the inner member

Recent Application in this class:
#1
20230012130
2023-01-12

COMPRESSOR WITH COOLING PUMP

#2
20210301662
2021-09-30

Rotary vane compressor with a step in the bearing adjacent the rail groove

#3
20200370553
2020-11-26

Rotary sliding vane machine with slide bearings and pivot bearings for the vanes

#4
20170074099
2017-03-16

Multi-vane impeller device

#5
20160273493
2016-09-22

Fuel vapor treatment apparatus

#6
20160265531
2016-09-15

Vane rotary compressor having hinge receiving portions formed on an outer peripheral surface of a rotor with a plurality of vanes including a hinge portion and a blade portion

#7
20150369245
2015-12-24

Vane rotary compressor

#8
20150354569
2015-12-10

MULTI-FOLLOWER ROTARY COMPRESSOR AND SECTIONAL-COMPRESSING METHOD FOR THE SAME

#9
20150252806
2015-09-10

Gas compressor formed with a high-pressure supply hole

#10
20140294642
2014-10-02

Vane compressor that suppresses the wear at the tip of the vane

#11
20140286807
2014-09-25

Vane compressor having a second discharge port that includes an opening portion to a compression space

#12
20140271315
2014-09-18

Vane compressor having a vane supporter that suppresses leakage of refrigerant

#13
20140271303
2014-09-18

Vane-type compressor having an oil supply channel between the oil resevoir and vane angle adjuster

#14
20130149178
2013-06-13

Vane compressor with vane aligners

#15
20130064705
2013-03-14

Vane compressor with vane aligners

#16
20120009078
2012-01-12

Vane compressor

#17
20090142214
2009-06-04

Rotary compressor with pressing mechanism and adjusting mechanism to vary a magnitude of a load in response to a pressure difference between the suction fluid and discharge fluid

#18
20090074602
2009-03-19

Rotary type fluid machine

#19
20060159570
2006-07-20

Rotary compressor having a discharge valve

#20
20050201884
2005-09-15

Compact rotary compressor with carbon dioxide as working fluid

#21
18818659
2025-05-27

Integrated internal continuous combustion rotary engine

#22
18218493
2024-04-16

Radial vane rotary compressor