Improved Distributor Pump with Hydraulic Governor 700697

A single plunger distributor injection pump with hydraulic governor is described, with particular reference to the working principle of the hydraulic spill-piston governor. This governor functions as a variable speed governor whose speed-droop characteristics can be adjusted according to requirements throughout the operating range. The working capacity of the governor is independent of speed so that the lowest no-load speed of the engine is not limited by the governor. Design features of the improved pump, EP/VA…C, are discussed.


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