The ratio of active power to apparent power in a circuit is called the power factor. For two systems transmitting the same amount of active power, the system with the lower power factor will have higher circulating currents due to energy that returns to the source from energy storage in the load.
Ruud who invented the electric water heater (automatic storage) in 1889, founded the Ruud Manufacturing Company, which is still in operation today, and pioneered the advancement of water heaters, in both the residential and commercial market. The Water Heater is still sometimes referred to as a geyser in the UK.
heron also called hero is sometimes credited as the one who invented the steam engine at about 100 a d because he built a device which rotated by jet power from exhausting steam another candidate thomas savery patented a means of pumping water out of coal mines by steam power in 1698