DIFF Subgroup
F01D 3/025 Full Title
Machines or engines with axial-thrust balancing effected by working-fluid > characterised by having one fluid flow in one axial direction and another fluid flow in the opposite direction
F01D 3/025 Machines or engines with axial-thrust balancing effected by working-fluid > characterised by having one fluid flow in one axial direction and another fluid flow in the opposite direction