The Diesel Locomotive
Like the electric locomotive, it has electric drive, in the form of traction motors driving the axles and controlled with electronic controls. It can operate over the same routes and can be operated by the same drivers. It differs principally …
Useful information on Gear Pumps
How does a gear pump work? Gear pumps use the actions of rotating cogs or gears to transfer fluids. The rotating element develops a liquid seal with the pump casing and creates suction at the pump inlet. External Gear Pump …