Hulett
![Huletts at the PRR ore docks at Cleveland. The near Hulett is discharging into the hopper, while the next is lowering its bucket into the hold.](/Images/godic/202501/18/Huletts2742.jpg")
![A Hulett's bucket in the foreground, while another scoops ore from the hold. The operator's cab is in the leg, behind the aperture above the bucket and below the circular sprocket.](/Images/godic/202501/18/Hulett-bucket2742.jpg")
![Discharging the travelling hopper's load into a waiting hopper car.](/Images/godic/202501/18/Hulett-discharging2742.jpg")
![HAER diagram of a Hulett Unloader in Cleveland, Ohio](/Images/godic/202501/18/Cleveland_Ore_Docks_00002r2742.jpg")
The Hulett was a design of automatic ore unloader that once saw wide usage along the Great Lakes of North America. They were unsuited to tidewater ports because they could not adjust for rising and falling tides, and few were so used.
Hulett
英语百科
- subcarrier feedback technique
- subcarrier frequency
- subcarrier frequency modulation
- subcarrier frequency modulation system
- subcarrier frequency offset
- Subcarrier frequency shift.
- subcarrier frequency shift
- subcarrier generator
- subcarrier index
- subcarrier input
- subcarrier interference
- subcarrier modulation
- subcarrier modulator
- subcarrier monitor
- subcarrier multiplex
- subcarrier multiplexed
- subcarrier multiplexed systems
- subcarrier multiplexed transmission
- Subcarrier multiplexing
- subcarrier notch filter
- subcarrier oscillator
- subcarrier phase
- subcarrier phase comparator
- subcarrier phase correcting steps
- subcarrier phase error