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Hydraulic piston motor HMV-02
silniki tłoczkowe LINDE HMV-02
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Piston motors LINDE

Hydraulic piston motor HMV-02

Circuit

open or closed

Type

variable displacement

Displacement [cc/rev]

55-280

Nominal pressure [bar]

500

Variable Displacement Motors for Open and Closed Circuit Applications

Conventional hydraulic motors cannot generate the required torque at low speeds during startup. As a result, the power from rapidly rotating hydraulic motors must be reduced through multi-stage gearboxes to achieve the necessary wheel speed. In this context, slightly higher power losses and reduced mechanical efficiency are typically accepted.

The situation is completely different with LHY Powertrain motors: The Series 02 motors can deliver the required torque even at low speeds, enabling smooth and precise startup.

Key Advantages:

Maintains full torque capability at low speeds
Eliminates need for multi-stage gear reduction
Enables smooth system startup
Improves overall mechanical efficiency
Reduces power losses compared to conventional solutions

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Advantages

  • Smooth low-speed operation – Precise and stable performance even at minimal speeds
  • High starting torque – Immediate powerful torque delivery from startup
  • Wide speed ratio range – Versatile operation across various speeds and loads
  • Zero-angle operation capability – Enhanced control with neutral swashplate position
  • Dynamic response – Rapid and precise adaptation to changing conditions
  • Integrated PTO shaft – Ready for power take-off applications
  • Compact design – Space-efficient without performance compromises
  • High power density – Exceptional output relative to size
  • Proven reliability – Robust engineering ensures continuous operation
  • Extended service life – Durable construction for long-term performance

Design characteristics

  • Axial piston motor in a swashplate design: Designed for high-pressure systems in open and closed circuits.
  • Optimized start-up and low-speed behavior: Ensures smooth and stable operation.
  • Optional flushing valves: For circuit and housing flushing.
  • Continuous or 2-position control: Flexibility in motor management.
  • Electric or hydraulic control: Adapted to various application requirements.
  • Optional pressure override control: Additional function for precise regulation.
  • Optional brake pressure cut-off: Enhances system safety.
  • Zero displacement capability (0 cc/rev): Precise control across the entire operating range.
  • Available high-pressure relief valves: Protection against overloads.
  • Through shaft with free end or coupling flange: Mounting flexibility.
  • High-pressure SAE ports in radial or axial configuration: Universal integration solutions.
  • SAE mounting flange with ANSI or SAE splined shaft: Easy installation.
  • Optional plug-in version: Quick and convenient assembly.
  • Optional speed sensor: Precise operation monitoring.
  • Optional counterbalance valve: Stabilizes operation in demanding conditions.
  • Available dual and tandem motors: Expanded application possibilities.

Controls

  • H1 – Hydraulic continuous control: Precise flow and pressure regulation.
  • H2 – Hydraulic 2-position control: Simple and reliable solution for basic applications.
  • H4 – Hydraulic continuous control with Vmin= 0 cc/rev: Zero displacement capability for better control.
  • E1 – Electro-hydraulic continuous control: Integration with electronic systems for advanced applications.
  • E2 – Electro-hydraulic 2-position control: Flexibility in control with switching between two modes.
  • E4 – Electro-hydraulic continuous control with Vmin= 0 cc/rev: Precise control across the entire operating range.
  • E6 – Like E4 with reversed switching: Additional function for specialized applications.
  • EH1P-CA – Hydraulic continuous control with pressure override and electric pressure selection: Advanced solution for demanding systems.

Override of maximum displacement:

  • Pneumatic: Control via pneumatic signals.
  • Hydraulic (high and low pressure): Flexibility in pressure control.
  • Electric: Integration with electronic systems for precise control.
HMV-02 55 75 105 135 165 210 280 105D 165D
Max.displacement cc/rev 54.7 75.9 105 135.6 165.6 210 281.9 210 331.2
Max. operating speed at Vmax rpm 4300 3800 3700 3200 3100 2700 2400 3300 2900
Max. speed at Vmax* rpm 4400 4100 3800 3500 3400 3000 2700 3400 3100
Max. operating speed at Vmin rpm 4700 4400 4100 3700 3500 3200 2900 4100 3500
Max. speed at Vmin* rpm 5300 5000 4700 4000 3900 3500 3200 4400 3700
Nominal pressure bar 450 450 450 450 450 450 450 450 450
Max. pressure** bar 500 500 500 500 500 500 500 500 500
Output torque (Δp=430bar) Nm 374 519 719 928 1133 1438 1929 1437 2267
Corner power (theor.)*** kW 184 239 309 360 415 482 586 677 878
Weight approx. (without oil) kg 28 32 42 56 76 101 146 98 149

* highest transient speed, that can temporarily occur
** highest transient pressure, that can temporarily occur
*** (Vmax x nmax at Vmin x ∆p 430 bar)

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