Combined marine hydrokinetic energy harvesting from currents and waves

Hydraulic rotary actuator

Bearing arrangement for a mutually turnable unit working under high pressure

Carbon dioxide-containing gas recovery apparatus

Rotary vane actuator and vane assembly

Nutating fluid-mechanical energy converter

Fretting-corrosion-prevention oscillating vane type pump actuator

Rotary vane actuators

Sealing system for an oscillating-piston engine

FIXED VANE TYPE HYDRAULIC MOTOR

Motor using working fluid distributed into chambers, which are provided for rotating rotors in opposite relative rotation directions

Oil-cooled internal combustion engine with rotary piston wall

Self-cooled rotary engine and pump