A compact circulating water pump kept auto interiors warm for up to one hour after the engine was turned off. It was designed for anyone who needed to sit in a parked vehicle in cold weather but needed to save gas, reduce engine wear, and eliminate the possibility of carbon monoxide poisoning. Designed for taxis, police, delivery trucks, and public utility vehicles, the system consisted of a 12V DC motor and a magnetic drive that powered a pump impeller. [1977]
A compact circulating water pump kept auto interiors warm for up to one hour after the engine was turned off. It was designed for anyone who needed to sit in a parked vehicle in cold weather but needed to save gas, reduce engine wear, and eliminate the possibility of carbon monoxide poisoning. Designed for taxis, police, delivery trucks, and public utility vehicles, the system consisted of a 12V DC motor and a magnetic drive that powered a pump impeller. [1977]
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