ClassID:

136622

F01C1/322 - CPC Classification

Classification description:

Rotary-piston machines or engines 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 both the movement defined in group and relative reciprocation between the co-operating members with vanes hinged to the outer member and reciprocating with respect to the outer member

Recent Application in this class:
#1
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PISTONLESS COMBUSTION FLYWHEEL ENGINE DESIGN FOR LOW FUEL CONSUMPTION

#2
20190178084
2019-06-13

Rotary energy converter with retractable barrier

#3
20170130716
2017-05-11

Revolving outer body rotary vane compressor or expander

#4
20160326875
2016-11-10

Rotary energy converter with retractable barrier

#5
20160312691
2016-10-27

Isochoric heat addition engines and methods

#6
20160201668
2016-07-14

Concentric rotary fluid machine

#7
20150167666
2015-06-18

Pendulum slide pump with at least one communication channel

#8
20150090228
2015-04-02

Isochoric heat addition engines and methods

#9
20140102402
2014-04-17

Rotary energy converter with retractable barrier

#10
20110023814
2011-02-03

Isochoric heat addition engines and methods

#11
20110002803
2011-01-06

EXPANDER

#12
20100251757
2010-10-07

Refrigeration cycle apparatus and fluid machine used for the same

#13
20100170469
2010-07-08

Rotary energy converter with retractable barrier

#14
20100158729
2010-06-24

Rotary expander with discharge and introduction passages for working fluid

#15
20100074769
2010-03-25

Fluid machine

#16
20090178433
2009-07-16

Positive displacement expander

#17
20090100860
2009-04-23

Fluid machine

#18
20080310983
2008-12-18

Expander

#19
20080307797
2008-12-18

Positive displacement expander and fluid machinery

#20
20080095652
2008-04-24

Roudong Volume Variation Method for Fluid Machinery and Its Mechanisms and Applications

#21
20060165542
2006-07-27

Displacement type expansion machine and fluid machine