System for controlling climate within a vehicle

System for heating interior spaces of engine-driven vehicles

System for heating the operators cabin of a machine powered by a

System for heating the service cabin of a machine

System for heating the service cabin of a machine operated by an

System for heating the service cabin of a motor vehicle

System for heating vehicular operator space and engine fuel, and

System for preheating a water-cooled vehicle engine and for heat

System for supplying motor vehicle diesel engines with fuel

Temperature control system and thermally responsive electro-vacu

Temperature maintaining apparatus and temperature control...

Thermal bypass channel

Thermal isolation device for heater core to prevent over-heat da

Transit vehicle heater

Transit vehicle heater

Valve assembly with plural flow path control

Variable performance viscous fluid heater

Vehicle air conditioner having lost motion coupling between the

Vehicle air conditioner with automatical selection of foot...

Vehicle air conditioner with flow area adjustment of fluid...