|
US5272878A
|
|
Azeotrope assisted power system
|
|
US5088304A
|
|
Heat transfer system with recovery means
|
|
US4506524A
|
|
Absorption type heat transfer system functioning as a temperature pressure potential amplifier
|
|
US3298196A
|
|
Dynamic pump type refrigeration system
|
|
US3215088A
|
|
Ejectors
|
|
US3076316A
|
|
Reversible heat engines
|
|
US3076321A
|
|
Reversible heat pumps
|
|
US2829504A
|
|
Air conditioning system for dwellings
|
|
US2496602A
|
|
Air-conditioning system
|
|
US2630963A
|
|
Rotary aspirator pump
|
|
CA760176A
|
|
Ejector type refrigeration system
|
|
CA716777A
|
|
Reversible heat engines
|
|
CA779046A
|
|
Ejector
|
