F01C9/00 - CPC Classification Index

ClassID:

136662 ⎘

F01C9/00 - CPC Classification

Classification description:

Oscillating-piston machines or engines

Sub-classes:

F01C9/002 » {the piston oscillating around a fixed axis} 89
F01C9/005 » {the piston oscillating in the space, e.g. around a fixed point } 38
F01C9/007 » {the points of the moving element describing approximately an alternating movement in axial direction with respect to the other element} 3

Recent Application in this class:

20260055723

TANGENTIAL INTERNAL COMBUSTION ENGINE

20220034226

Piston machine, modular construction system for a piston machine, and method for producing a piston machine

20210172462

Unsupported piston with moving seal carrier

20210087970

Circulating piston engine

20200408096

Roticulating thermodynamic apparatus

20200392844

Conversion Chamber Power Device

20190063307

APPARATUS WITH A BUTTERFLY MECHANISM INCORPORATED THEREIN

20190055883

INTERNAL COMBUSTION BUTTERFLY ENGINE

20190017523

Unsupported piston with moving seal carrier

20180135511

Circulating piston engine

20170037726

Intake device, power generator, external combustion system using intake device and power generator, internal combustion system using intake device and power generator, and air hybrid power generation system using intake device and power generator

20160177720

Two-stroke internal combustion engine with a spherical chamber

20150337725

Combined driving system of an electric energy generator with the utilization of the pressure potential of a high-energy medium generated in the form of a mixture of exhaust gases and compressed air with the aid of a motor with rocking pistons with an integrated compressor section

20150059681

Polygon oscillating piston engine

20140294646

Toroidal engine

20140290616

One-stroke internal combustion engine

20130284014

Radial cylinder hydraulic machine with improved oscillating radial cylinder

20110185998

Toroidal engine

19285832

Self-cooled rotary engine and pump