A multi-stage gear pump includes a first pump stage, a second pump stage, and a variable speed gearbox including an input and an output, wherein the input is rotationally coupled to the first pump stage and the input rotates at a first rotational speed, and the output is rotationally coupled to the second pump stage and rotates at a second rotational speed, wherein a variable gear ratio determines the second rotational speed relative to the first rotational speed.
VARIABLE SPEED MULTI-STAGE PUMP
2018-04-26
Patent
Electronic Resource
English
High torque variable speed metering pump
Online Contents | 2008
High torque variable speed metering pump
Online Contents | 2008