Internal gear pump with recesses on the gear bearing surfaces
Internal gear pumps
Internal geared wheel pump having asymmetric tooth tips
Internal geared wheel pump without crescent-shaped [sickle] piec
Internal-gear machine
Internal-gear machine with fluid opening in non-bearing tooth fl
Internal-gear pump having a pinion with radial play
Internally axed rotary piston engine
Internally axed single-rotation machine with sealing gap arrange
Isolated engine oil pump drive