DIFF Subgroup
F01B 7/16 with pistons synchronously moving in tandem arrangement
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders > with pistons synchronously moving in tandem arrangement
CPC:
Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders (in opposite arrangement relative to main shaft F01B1/08) > with pistons synchronously moving in tandem arrangement
No child classifications to compare. This is a leaf node in both IPC and CPC.