F04C2/356 - CPC Classification Index

ClassID:

143463 ⎘

F04C2/356 - 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 outer member

Sub-classes:

F04C2/3562 » {the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation} 1
F04C2/3566 » {the inner and outer member being in contact along more than one line or surface} 13
F04C2/3568 » {with axially movable vanes} 13

Recent Application in this class:

20240229791

PISTON COMPRESSOR, IN PARTICULAR RADIAL PISTON COMPRESSOR

20220282728

CRANKSHAFT MOUNTED COMPRESSOR

20220228587

Rotary compressor with unequally spaced vane slots

20220203312

Liquid containing gas bubbles production apparatus

20180371912

Rotor with sliding vane has a different width of vane slot extended from the longitudinal axis to the outer surface of the rotor body

20180347562

Rotary apparatus with protective knife

20180320687

Rotary device, rotary system, and fluid machinery, to which press-actuated gate valve mechanism is applied

20180119689

ALTERNATING FLOW HYDRAULIC PUMP CIRCUIT

20170314554

Non-Reciprocating Hydraulic Piston Pump

20170130717

Electric compressor and refrigeration device having same

20160186746

Liquid pump and rankine cycle apparatus

20160010643

Pumps

20150240809

Variable displacement pump

20150125332

Pump

20140161645

Gas pump with a sealing oil groove

20130183171

Rotary cam ring fluid machine

20120070328

Vane pump

20070253835

Displacement machine including at least two adjacent working chambers