Designed, patented and produced by SETTIMA flow mechanisms

THE SILENT WAY TO REPLACE GEAR AND VANE PUMPS

One of the most  important request from the industrial world is to create a better work environment,  which is synonymous of better efficiency,  lower cost of production and better quality of life for workers. The reduction of operation noise goes with no doubt toward that direction.

Hydraulic pumps, above all those for high pressure, entail noise and/or vibration level that are unacceptable for certain new applications. This is the main reason why Settima has designed a new gear pumps generation capable to eliminate acoustic emissions.

Parameters influencing emissions of hydraulic noise are:

• cavitatio
• pressure peaks rising from trapping fluid between gear teeth
• ripple or flow pulsation

Continuum® is capable to eliminate these noise cuases.

No noise Continuum® concept

Internationally patented:

• the rotors profile
• the screw step
• the inner force balancing

The especially studied rotor profile does not trap any fluid volume (no encapsulation chambers).

The helical course (there is just a single point of contact between rotors) of the Continuum rotor profile makes a gentle transmission of movement and a minimization of any pulsation. Internal hydrostatic mechanisms are put in place in order to avoid trade-off with efficiency.

The innovation inside

Pulsation is harmful

• In Hose and Pipe design pressure pulsation is paramount; because pressure pulsation affects the hydraulic system lifetime.
• Noise is not only generated by the pumps but, in most cases, the systems generate noise by amplifying the ripple. Consequent pressure drops are a noticeable energy consumption and a reduction of overall efficiency.

Continuum® pump is the right answer to avoid all problems due to system pulsation. The special design of the internal rotors eliminates any cavitation and any pulsation, driving to no noise, long life of the pump and the systems and energy loss reduction.

Continuum® volumetric efficiency

The volumetric efficiency of Continuum® pumps is depending on both pressure and speed. Continuum® pumps achieve high volumetric efficiencies.

Example of load cycle for a Continuum® pump with variable speed drive

Maximum time for pressure holding duty (Q=0 l/min) is depending on pressure, duty cycle and pump type.

Minimum speeds as a function of pressure

APPLICATIONS:

MARINE

• Marine power hydraulics
• Rudder actuators (tandem  systems)
• Propeller pitch control
• Propeller drive (power transmissions from engine)
• Minipowerpacks (Dock operation, door control)
• Diesel pump
• Yacht building industry, lifting systems: 

• Fly bridge cranes
  
• Tenderlift
  
• Elevators
  
• Walkways
  
• Automatic swimming ladders
  
• Side boarding ladders
  

ELEVATOR

• Elevators
• Lifts
• Scissor lift
• Hydraulic tyres lift
• Parking systems

INDUSTRIAL

• Power hydraulics
• Injection moulding machines: servo drive systems, power
• Filtration-cooling
• Energy, Steel, Paper industry
• Dosing/metering
• Presses, leather cutting syst

MOBILE

• Power Units
• Forklift
• Mobile compactors
• Steering units
• Parking systems
• Truck, Tractors

TECHNICAL CHARACTERISTICS

• Reduced energy requirement, especially in partial-load and no-load running conditions.
• The most silent pump on the market, also at a very high speed of operations (up to 6.500 RPM according to specific application data).
• Unidirectional pump to bi-directional pump/motor
• Intermittent operation at high pressure and low speed with no net flow is possible
• Continuously variable flow rate (0% to 100%)
• Driven by servo-motors and/or a variety of asynchronous motors
• Pressure up to 250 bar
• Can operate for some short time as reversible pump
• Fast reverse rpm is allowed: CCW max < 400 rpm
• Response time < 100ms due to very small internal mechanical inertia