F04C2/40 - CPC Classification Index

ClassID:

143471 ⎘

F04C2/40 - 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 group or and having a hinged member

Sub-classes:

F04C2/44 » with vanes hinged to the inner member 20
F04C2/46 » with vanes hinged to the outer member 14

Recent Application in this class:

20210284347

2021-09-16

Gas delivery augmenter with pump mechanism

20190195222

2019-06-27

Rotary drive with pivoting stator and rotor vanes

20150071808

2015-03-12

Belt and support for a rotor mechanism in a rotary apparatus and rotary apparatus comprising same

20140248173

2014-09-04

Belt and support for a rotor mechanism in a rotary apparatus and rotary apparatus comprising same