Mechanisms — Pumps & Hydraulics

Recent Blogs

Driven Well diagram
Driven Well Mechanism Explained: How It Works, Parts, Suction-Lift Limit, Diagram & Calculator
Explore a driven well’s screen and water path. Compare atmospheric head, pump allowance, static level and drawdown to calculate a remaining suction-head budget.
Double-piston Reaction Hydraulic Ram diagram
Double-Piston Reaction Hydraulic Ram: Waste Valves and Water Delivery
Explore common-spindle waste valves, reaction disc and separate delivery check in the historical hydraulic ram. Includes an average water-delivery calculator.
Double-beat Disc Valve diagram
Double-beat Disc Valve Mechanism: How It Works, Parts, Force Balance and Pump Uses Explained
Explore an annular double-beat disc valve with two concentric seating edges. Compare seated pressure load and geometric curtain area from diameter ratio and lift.
Double-acting Lift and Force Pump diagram
Double-acting Lift and Force Pump: How It Works, Parts, Formula, Diagram and Uses Explained
Explore a vertical four-valve lift-and-force pump. Calculate lower-end, rod-side and complete-cycle swept volumes from bore, rod diameter and stroke.
Double-acting Force Pump diagram
Double-acting Force Pump Mechanism: How It Works, Diagram, Parts, Uses & Flow Calculator
Explore a four-check-valve double-acting pump. Compare rod-corrected displacement, theoretical mean flow and estimated flow at an entered volumetric efficiency.
Double-acting Differential Pump diagram
Double-acting Differential Pump Mechanism: How It Works, Diagram, Parts, Formula and Uses
Explore a differential pump with a valved lower bucket and linked upper solid plunger. Compare delivery on each stroke, full-cycle displacement and volume balance.
Domestic Filter diagram
Domestic Filter: Historical Gravity Barrel and Ideal Flow Calculator
Explore a historical gravity-fed barrel filter. Compare ideal saturated-bed flow using equivalent area, maintained water head and measured whole-bed conductivity.
Disc Water Meter diagram
Disc Water Meter: Nutating Disc Motion and Calibrated Volume Calculator
Explore a nutating disc water meter. Convert observed cycles into calibrated volume, compare register gearing and estimate an assumed unmetered-volume allowance.
Disc Valve and Guard diagram
Disc Valve and Guard Mechanism: How It Works, Parts, Diagram, and Pump Uses Explained
Explore an elastic disc valve beneath a perforated curved guard. Compare guard-limited edge lift, approximate opening area and nominal sheet volume.
Diaphragm pump diagram
Diaphragm Pump Mechanism: Crank Drive, Valves and Flow Calculator
Explore a crank-driven diaphragm pump with animated check valves, exact linkage motion and shape-based ideal displacement and flow calculations.
Diaphragm Pump diagram
Diaphragm Pump Mechanism: How It Works, Parts, Diagram, and Industrial Uses Explained
Follow a flexing diaphragm and alternating check valves. Calculate swept volume and ideal mean flow, with estimated delivery from an entered efficiency.
Dean Steam Pump diagram
Dean Steam Pump Mechanism: How the Direct-Acting Duplex Reciprocating Pump Works, Parts & Uses
Explore a duplex steam pump with cross-coupled valves. Compare steam and water piston areas and ideal delivery pressure on full-bore and rod-side strokes.
Current Motor diagram
Current Motor Mechanism: How Hydrokinetic River Turbines Work, Parts, Formula and Diagram
Explore a cased propeller current motor and compare the incoming kinetic power flux at two water speeds. Includes an interactive animation and velocity-cubed calculator.
Current Meter diagram
Current Meter Mechanism: How It Works, Diagram, Parts, and Velocity-Area Discharge Formula
Explore a cup current meter. Apply an entered linear calibration to counted revolutions and sample time, then estimate sub-area flow and one-count velocity sensitivity.
Compound Beam Pumping Engine diagram
Compound Beam Pumping Engine Mechanism: How It Works, Parts, Diagram and Uses Explained
Follow a compound beam engine driving a single-acting water plunger. Calculate swept volume, average delivery and mean rod speed from pump dimensions and cycle rate.
Cochrane Rotary Pump diagram
Cochrane Rotary Pump: Eccentric Piston, Sliding Wing and Mean-flow Calculator
Follow the Cochrane pump’s eccentric piston and wing sliding in a casing pocket. Estimate mean delivery and hydraulic output power from entered pump characteristics.
Chapman Aspirator or Vacuum Pump diagram
Chapman Aspirator or Vacuum Pump: How It Works, Parts, Diagram and Lab Uses Explained
Explore a Chapman water-jet aspirator cutaway and calculate ideal water speed, pressure head and the temperature-dependent theoretical vacuum limit.
Chain Pump diagram
Chain Pump Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
See discs on an endless chain lift water through a riser. Estimate swept flow, delivered flow and hydraulic output power with a stated volumetric-efficiency assumption.
Cary Rotary Pump diagram
Cary Rotary Pump: Cam-Guided Vanes, Animation and Flow Calculator
Explore Cary’s fixed-cam rotary pump and sliding vanes in an interactive animation. Estimate flow from entered displacement, shaft speed and volumetric efficiency.
Camden Turbine diagram
Camden Turbine Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
Explore the Camden turbine’s two bucket rows and their discharge directions. Calculate water power, shaft power, losses and torque from an entered operating point.
Buckets of a Pelton Water Wheel diagram
Buckets of a Pelton Water Wheel: Mechanism, Parts, and How They Work Explained
Explore Pelton split-bucket geometry and compare ideal runner force and power at half jet speed, with an explicitly assumed additional loss multiplier.
Current Wheel Water Lift diagram
Current Wheel Water Lift: Radial Troughs, Hollow Shaft and Delivery Calculator
See how a current-driven wheel carries water through radial troughs to a hollow shaft. Compare nominal delivery from collector capacity and an entered revolution time.
Lift Pump diagram
Lift Pump Mechanism Explained: How It Works, Parts, Diagram, and Hand Pump Uses
See the foot and piston valves of a bucket lift pump. Compare suction lift with an ideal head budget from atmospheric pressure, vapor pressure and...
Breast Water Wheel diagram
Breast Water Wheel Mechanism Explained: How It Works, Parts, Diagram, and Efficiency
Breast water wheel explained — how mid-height water entry drives grain mills, textile mills and heritage hydro sites with 60-70% efficiency.
Ejector or Jet Pump diagram
Ejector or Jet Pump Mechanism Explained: How It Works, Parts, Diagram, Formula and Uses
Explore a water-jet eductor’s nozzle, suction chamber, throat and diffuser. Compare flow using entered pressures, nozzle diameter and an assumed entrainment ratio.