F02G2244/00 - CPC Classification Index

ClassID:

140203 ⎘

F02G2244/00 - CPC Classification

Classification description:

Machines having two pistons

Sub-classes:

F02G2244/02 » Single-acting two piston engines 2
F02G2244/50 » Double acting piston machines 27

Recent Application in this class:

20240384693

Thermodynamic Cycle

20230228229

Constant density heat exchanger and system for energy conversion

20230019495

Energy conversion apparatus

20220290630

Monolithic heat-exchanger bodies

20220195959

Engine apparatus and method for operation

20220034281

Energy conversion apparatus

20210381467

Constant density heat exchanger and system for energy conversion

20210003094

Stirling engine comprising a cooling tube on a working cylinder

20190145347

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

20170022932

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

20170009701

Variable volume transfer shuttle capsule and valve mechanism

20110247332

External combustion engine

20110095542

Lubricant free, reduced mass, free-piston, Stirling machine having reciprocating piston drivingly linked to rotary electromagnetic transducer moving in rotational oscillation

20100269789

METERING FUEL PUMP

20100257857

STIRLING ENGINE

20100139262

4-cycle stirling machine with two double-piston units

20100132354

LINEAR-ROTARY MOTION CONVERSION MECHANISM

20070028612

Metering fuel pump