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.'Remote charging’ may power tomorrow’s electric cars
DETROIT. Michigan. Mar 8: As automakers work feverishly to develop an electric-powered car that won't need to be tethered to a charger every few hours, a US inventor has found a way to zap it with electricity on the road with no loss of speed, says AFP.
"1 call it remote charging." said Ronald Parise. "It’s a wireless transmission. It's Just like when you're in your car using a cell phone."
The electricity would be converted to a special laser or microwave beam, as Is possible with technologies now In use throughout the United States, he said. The vehicle would have a receiving antenna on top to capture energy from the narrowly focused beam.
Parise, head of Parise Research Technologies of Suffielld. Connecticut, said the Idea of beaming electricity actually is decades old, tested as early as the 1920s and 1930s.
He said the technology had also been secretary tested in the 1960s by the US military, which used the technique to power a helicopter kept aloft for 24 hours.
In a more recent experiment, wireless power transmissions were aimed at a bank of high Intensity lights a mile away, which stayed brightly lit, he added.
Parise's development — which he called the first for use In autos — was among the inventions that have surfaced at this year's Society of Automotive Engineers (SAE) exhibit in Detroit.
The show is a global shopping mall for futuristic ideas that can range from developments ready lor application to next year's cars and trucks to what some refer to as "gee whiz" concepts In their Infancy that might take 10 years to take shape.
With remote recharging, an
electric or hybrid electric vehicle travelling on a highway could get quick booster shots of electricity from transmitters attached to telephone poles or other tall objects, with the cost deducted from a prepaid debit card on board the vehicle.
Parise said someone could travel cross-country without ever stopping for fuel, once the infrastructure was In place nationwide.
While the idea of sending power through the air might sound potentially dangerous to a non-englneer. Parise stressed that it was benign, although as much as 400, kilowatts of electricity could be transferred to a vehicle's energy grabbing antenna as It passed by a sending station at about 65 miles an hour — enough to power a small
Parise said his proprietary technology would keep the beam harmless.
The power beam, when actl-
vated by the vehicle, would lock onto its power antenna and follow it for about a 300 meter (yard) stretch. The vehicle would pick up more transmissions every few miles as needed as it travelled down the road.
If transmission were interrupted by a bird or person in its path, for example, the beam would be broken and the transmission would Instantly
Parise said the technology could first the Installed on urban buses that make frequent stops. Initially transmitters would be placed near bus stops for lengthier charges so the vehicles would never run out of power.
As transmission stations were installed In more rural areas. hybrid vehicles could tap them for energy, switching to their standard Internal combustion engines powered by gasoline as they drove out of range.