MACHINES | |
positive displacement | |
rotary or oscillating piston | |
liquid and elastic fluid or elastic fluid | F01C |
liquid only | F04C |
reciprocating piston or other | |
liquid and elastic fluid or elastic fluid | F01B |
liquid only | F04B |
non-positive displacement | |
liquid and elastic fluid or elastic fluid | F01D |
liquid only | F03B |
ENGINES | |
positive displacement | |
rotary or oscillating piston | |
liquid and elastic fluid or elastic fluid | F01C |
liquid only | F03C |
reciprocating piston or other | |
liquid and elastic fluid or elastic fluid | F01B |
liquid only | F03C |
non-positive displacement | |
liquid and elastic fluid or elastic fluid | F01D |
liquid only | F03B |
PUMPS | |
positive displacement | |
rotary or oscillating piston | F04C |
reciprocating piston or other | F04B |
non-positive displacement | F04D |