By Shaft Speed Or Torque Responsive Means Patents (Class 415/30)
- Including valve in interstage or re-entry passage (Class 415/37)
- Plural passages with sequential or reverse fluid control (Class 415/38)
- With latch means for valve actuator (Class 415/41)
- Actuated by runner or separate motor (Class 415/42)
- Multiple working fluid inlets to runner (Class 415/44)
- Downstream of runner (Class 415/46)