Remove Concept Engine Remove Exhaust Remove Oil Remove Water
article thumbnail

Achates Power continues development of opposed-piston technology for US Army vehicles

Green Car Congress

The family of engines strategy uses a common power cylinder system across several different engine variants to address a range of power and torque requirements in order to serve multiple military vehicles with a common architecture. The variable flow lube pump helps maintain engine efficiency.

Power 418
article thumbnail

LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

Green Car Congress

Other features of the X2 include: Quiet operation: engine lacks poppet valves and over-expansion minimizes exhaust noise. Low heat signature from over-expansion and cycle skipping eliminates water cooling. Internal cooling with air or water (Rankine). Constant volume combustion (Otto). Click to enlarge.

Engine 312