F01B7/18 - CPC Classification Index

ClassID:

136426 ⎘

F01B7/18 - CPC Classification

Classification description:

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with differential piston

PISTON IN PISTON VARIABLE DISPLACEMENT HYDRAULIC DEVICE

Piston type internal combustion engine

Piston and use therefor

Variable-displacement piston-cylinder device

Internal combustion engine

Drive device using charged air pressure

Internal combustion barrel engine

Piston in piston variable displacement hydraulic device