LiquidPiston’s rotary engines are the first disruption to engine technology in over a century. These engines are not Wankel engines; they are uniquely configured to adopt the company’s patented thermodynamic cycle and its associated efficiency and low-noise benefits. LiquidPiston’s X Engine improves virtually all parameters – efficiency, weight, size, vibration, and noise.

LIGHTWEIGHT AND COMPACT
  • High power density – up to 2 HP/Lb (3.3 kW/kg)
  • 30% smaller and lighter for spark-ignition (SI) gasoline engines
  • Up to 75% smaller and lighter for compression-ignition (CI) diesel engines
QUIET
  • No poppet valves
  • Exhaust turbulence minimized by over-expansion; no muffler required
LOW-VIBRATION
  • Only two primary moving parts, optimally balanced, resulting in near-zero vibration
HIGH-EFFICIENCY
  • 20% decrease in fuel consumption possible for SI gasoline engines
  • 50% decrease in fuel consumption possible for CI diesel engines
MULTI-FUEL CAPABLE
  • Diesel, gasoline, natural gas, JP-8
SCALABLE
  • From 1 HP to over 1000 HP

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