DC Powered Hydraulic Pumps

Description

DC powered hydraulic pumps are devices that convert electrical energy from a direct current (DC) source into hydraulic energy. These pumps are designed to create a flow of hydraulic fluid, which can then be used to perform work in various hydraulic systems. The primary function of these pumps is to generate the necessary pressure and flow to drive hydraulic machinery and equipment.

Working Principle

DC powered hydraulic pumps operate by using a DC motor to drive the pump mechanism. The motor converts electrical energy into mechanical energy, which is then used to create a partial vacuum at the pump's inlet. This vacuum allows atmospheric pressure to push hydraulic fluid into the pump. The pump then pressurizes the fluid and directs it into the hydraulic system. The interaction between the stator and rotor fields in the DC motor generates torque, which is essential for the pump's operation. The ability to control the flow and pressure makes these pumps useful for applications requiring precise hydraulic control.

Applications

DC powered hydraulic pumps are commonly used in applications where portability and flexibility are essential. Specific examples include mobile hydraulic systems, such as those found in construction equipment like backhoes and forklifts. They are also used in remote locations where access to AC power is limited, making them ideal for emergency response equipment and off-grid applications.

Advantages over other Hydraulic Pumps

One of the main advantages of DC powered hydraulic pumps is their portability, as they can be powered by batteries or other DC sources, making them suitable for mobile and remote applications. Additionally, they offer precise control over hydraulic pressure and flow, which can be beneficial in applications requiring fine-tuned hydraulic performance.

Limitations

DC powered hydraulic pumps may have limitations in terms of power output compared to their AC counterparts. They might not be suitable for applications requiring extremely high pressures or flow rates. Additionally, the efficiency of DC motors can be affected by factors such as back EMF, which can impact the overall performance of the pump.

Considerations

When selecting a DC powered hydraulic pump, several factors should be considered. Initial costs can vary depending on the pump's specifications and capabilities. Operating expenses may include the cost of maintaining the DC motor and ensuring a reliable power supply. Durability is an important consideration, as pumps used in harsh environments may require more frequent maintenance. Accuracy in controlling pressure and flow is crucial for applications requiring precise hydraulic performance. Replacement and maintenance costs should also be factored into the decision-making process, as these can impact the long-term cost-effectiveness of the pump.

10 Results
Pumps For Operating 1 to 6 Hydraulic Cylinders Synchronously
from Bansbach Easylift®

Pumps for operating easymotion ® cylinders synchronously. Product Features: Pumps for operating 1-6 cylinders. Max. weight: 900kg per system (model 4). Made of anodized aluminum. Operation by crank or electric motor. Mounting in any position is possible [See More]

  • Power Source: Manual (optional feature); DC
  • Industry: Medical
  • Pump Type: Hydraulic Fluid Pump
  • Pump Housing Material: Aluminum
DC Motor Pumps -- MA
from jbj Techniques Limited

Hydraulic gear motors can be supplied in single or bi-rotation formats and units are available with a comprehensive range of mounting flange and shaft options including specific designs to accommodate high radial loads. A complete range of integrated valves to suit a wide range of applications are... [See More]

  • Power Source: DC; 24 VDC
  • Industry: Construction, Defense
  • Pump Type: Gear Pump; Hydraulic Fluid Pump; Positive Displacement Pump
  • Media: Liquids, Oil
DC Motor Pumps -- MA-HS
from jbj Techniques Limited

Hydraulic gear motors can be supplied in single or bi-rotation formats and units are available with a comprehensive range of mounting flange and shaft options including specific designs to accommodate high radial loads. A complete range of integrated valves to suit a wide range of applications are... [See More]

  • Power Source: DC; 24 VDC
  • Industry: Construction, Defense
  • Pump Type: Gear Pump; Hydraulic Fluid Pump; Positive Displacement Pump
  • Media: Liquids, Oil
DC Motor Pumps -- MB
from jbj Techniques Limited

Hydraulic gear motors can be supplied in single or bi-rotation formats and units are available with a comprehensive range of mounting flange and shaft options including specific designs to accommodate high radial loads. A complete range of integrated valves to suit a wide range of applications are... [See More]

  • Power Source: DC; 12 VDC, 24 VDC
  • Industry: Construction, Defense
  • Pump Type: Gear Pump; Hydraulic Fluid Pump; Positive Displacement Pump
  • Media: Liquids, Oil
DC Motor Pumps -- MF
from jbj Techniques Limited

Hydraulic gear motors can be supplied in single or bi-rotation formats and units are available with a comprehensive range of mounting flange and shaft options including specific designs to accommodate high radial loads. A complete range of integrated valves to suit a wide range of applications are... [See More]

  • Power Source: DC; 24 VDC
  • Industry: Construction, Defense
  • Pump Type: Gear Pump; Hydraulic Fluid Pump; Positive Displacement Pump
  • Media: Liquids, Oil
Proportional Electrohydraulic Controls for PVPC Pumps -- PVPC Controls
from Atos North America

The variable displacement axial piston pumps type PVPC, can be supplied with advanced electrohydraulic proportional controls: open loop pressure control. load sensing flow control. open and closed loop P/Q controls. They allow the performance of high dynamics and fine regulations, directly commanded... [See More]

  • Power Source: DC
  • Discharge Pressure: 3625.9 to 5076.3
  • Liquid Flow: 11.1 to 33.7
  • Media Temperature: -4 to 176
Hydraulic Power Pack -- EHP700L12
from Greenlee Textron, Inc.

MOTOR TYPE. 14 INCH L X 6.5 INCH W X 11.5 INCH H OVERALL SIZE. 18 V INPUT SUPPLY RATING. UPTO 9 L/MIN (LOW PRESSURE), 0.3 L/MIN (FULL PRESSURE) FLOW RATE. HIGH PRESSURE CRIMPING, CUTTING, PUNCHING APPLICATION. 10 TO 104 DEG F TEMPERATURE RATING. 10000 PSI PRESSURE RATING. AUTOMATIC/MANUAL VALVE... [See More]

  • Power Source: DC
  • Discharge Pressure: 10000.0
  • Liquid Flow: 0.1 to 2.4
  • Pump Type: Hydraulic Fluid Pump
Hydraulic Power Pack -- EHP700L120
from Greenlee Textron, Inc.

MOTOR TYPE. 14 INCH L X 6.5 INCH W X 11.5 INCH H OVERALL SIZE. 18 V INPUT SUPPLY RATING. UPTO 9 L/MIN (LOW PRESSURE), 0.3 L/MIN (FULL PRESSURE) FLOW RATE. HIGH PRESSURE CRIMPING, CUTTING, PUNCHING APPLICATION. 10 TO 104 DEG F TEMPERATURE RATING. 10000 PSI PRESSURE RATING. AUTOMATIC/MANUAL VALVE... [See More]

  • Power Source: DC
  • Discharge Pressure: 10000.0
  • Liquid Flow: 0.1 to 2.4
  • Pump Type: Hydraulic Fluid Pump
Hydraulic Power Pack -- EHP700L22
from Greenlee Textron, Inc.

MOTOR TYPE. 14 INCH L X 6.5 INCH W X 11.5 INCH H OVERALL SIZE. 18 V INPUT SUPPLY RATING. UPTO 9 L/MIN (LOW PRESSURE), 0.3 L/MIN (FULL PRESSURE) FLOW RATE. HIGH PRESSURE CRIMPING, CUTTING, PUNCHING APPLICATION. 10 TO 104 DEG F TEMPERATURE RATING. 10000 PSI PRESSURE RATING. AUTOMATIC/MANUAL VALVE... [See More]

  • Power Source: DC
  • Discharge Pressure: 10000.0
  • Liquid Flow: 0.1 to 2.4
  • Pump Type: Hydraulic Fluid Pump
Hydraulic Power Pack -- EHP700L230
from Greenlee Textron, Inc.

MOTOR TYPE. 14 INCH L X 6.5 INCH W X 11.5 INCH H OVERALL SIZE. 18 V INPUT SUPPLY RATING. UPTO 9 L/MIN (LOW PRESSURE), 0.3 L/MIN (FULL PRESSURE) FLOW RATE. HIGH PRESSURE CRIMPING, CUTTING, PUNCHING APPLICATION. 10 TO 104 DEG F TEMPERATURE RATING. 10000 PSI PRESSURE RATING. AUTOMATIC/MANUAL VALVE... [See More]

  • Power Source: DC
  • Discharge Pressure: 10000.0
  • Liquid Flow: 0.1 to 2.4
  • Pump Type: Hydraulic Fluid Pump