Passive by-pass for heat exchangers

Passive cooling arrangement

Passive cooling in response to ambient environmental properties

Passive cooling of enclosures using heat pipes

Passive cooling system

Passive cooling system for a vehicle

Passive flow mixing for osmotically pumped heat pipes

Passive heat-transport system

Passive heating and cooling system

Passive solar device for heating and cooling

Passive system for heat transfer

Passive temperature control shipment container

Passive temperature regulating system for a building

Passive thermal control system

Passive thermal spreader and method

Passive three-phase heat tube for the protection of apparatus fr

Passive ventilated control box

Passive, recyclable cooling system for missile electronics

Passive, thermocycling column heat-exchanger system

Pathogen reduction system used in treating wastewater