Construction, Operation, Volumetric Efficiency, Advantages and Disadvantages
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
External gear pumps have two mating gears (driver and follower) that are turned in a closely fitted casing, as shown in Fig.4.4
Introduction, Principle of Working
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
Gear pumps are the simplest and the most widely used pumps for hydraulic systems.
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
As the name implies, the functioning of a positive-displacement pump derives from changes of the volume occupied by the fluid within the pump.
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
In non-positive displacement pumps, the fluid flow is achieved using the inertia of the fluid in motion.
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
Fig.4.2 shows the classification of hydraulic pumps with reference to the fluid power applications.
How a Pump Works?, Uses of Pump
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
Normally the powered electric motor converts the electrical energy into mechanical energy which is used to drive the shaft of the pump.
Introduction, Learning Objectives
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
As discussed in Section 1.7, any hydraulic system requires six basic components: reservoir, pump, electric motor (or prime mover), valves, actuator, and fluid-transfer piping.
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
Two Marks questions and answers: Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
In this chapter, the basics of hydraulics such as the concepts of force, pressure and head; concept and applications of Pascal's law;
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
For better understanding of the basic principles of hydraulics discussed so far, some simple numerical problems have been presented below.
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
The loss of head in the various valves and fittings (such as tees, elbows, and bends) is given by the relation :
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
The major energy losses i.e., the energy losses due to friction in the pipe can be calculated by using Darcy's equation.