F01C21/00 - CPC Classification Index

ClassID:

136709 ⎘

F01C21/00 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in groups -

Sub-classes:

F01C2021/12 » {Control of working fluid admission or discharge} 6
F01C2021/16 » {Other regulation or control} 0
F01C21/001 » {Injection of a fluid in the working chamber for sealing, cooling and lubricating } 9
F01C21/003 » {Systems for the equilibration of forces acting on the elements of the machine } 26
F01C21/007 » {General arrangements of parts; Frames and supporting elements} 134
F01C21/008 » {Driving elements, brakes, couplings, transmissions specially adapted for rotary or oscillating-piston machines or engines } 112
F01C21/02 » Arrangements of bearings 231
F01C21/04 » Lubrication 81
F01C21/06 » Heating; Cooling ; Heat insulation 123
F01C21/08 » Rotary pistons 233
F01C21/10 » Outer members for co-operation with rotary pistons; Casings 325
F01C21/18 » Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet 149

Recent Application in this class:

20260055723

TANGENTIAL INTERNAL COMBUSTION ENGINE

20250073859

SOCKET ASSEMBLY FOR ENGAGING A NUT

20240181607

Socket assembly for engaging a nut

20200408096

Roticulating thermodynamic apparatus

20190010806

Control device to achieve variable compression ratio for triangle rotary engine

20190003306

Gas passage switching structure for pneumatic rotary hand tool

20140007837

Shockwave rotor detonation (omni-engine, ubiquitous X engine) multipurpose engine

20130200634

Positive displacement expander

20050256512

Surgical pneumatic motor

20050245318

Coupling of driver/driven shafts of a motor and thrust isolation