Also, on the Neuss (German engines) used in some IH tractors and equipment that used the rotary injection pump, the governor was hydraulic. Later pumps went to mechanical governors also. A mechanical governor is a balancing device that a given throttle setting determines the pressure exerted against the weights with a spring and on a diesel engine, when the rpm's drop, the weights over come the spring pressure and give the engine more fuel to maintain the set rpm's.
On a gasoline engine, the governor does same thing except it opens the throttle valve (butterfly) in carburetor and allows more air which in turn draws more fuel through carburetor.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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