Compression Machines With Cascade Operation TRIZ Cases

Using an outdoor relay unit and two heat-medium pipes, this case enables simultaneous heating and cooling while keeping refrigerant out of indoor spaces.

A helical groove on the displacer controls gap gas flow, improving cryogenic cooling efficiency without O-ring seals.

By separating oil from refrigerant near the compressor, this high-rise cooling layout enables longer vertical runs and frees rooftop space.

Excess acoustic power is passed between thermoacoustic stages with optimized phasing to cut transmission losses and lower electrical drive power.