The Bishop Steam-to-Vacuum Engine is a new, powerful, economical, clean-running, automatic engine, capable of nearly global solar operation with likelihood of further engine development and endless free force potential available for centuries.
New: The original STV engine, invented by Newcomen in 1705 (then called the Atmospheric Engine) was in use for 80 years. Flaws: inefficient condensation of steam with only one cylinder/piston which made a low stroke rate of only 13 per min. The new Bishop STV engine corrects these deficiencies: It is more powerful with controlled condensation and has more than an eight times faster stroke rate.
Powerful: The prototype Bishop STV engine has a 6" cylinder/piston power stroke of about 400 lbs. Twin cylinders have an alternating piston power stroke rate, not of 13, but an average of 120 strokes per minute. Power stroke product is 400 lbs. X 120
Useful: The Bishop STV is able to generate electricity, turn gears, power a belt wheel, compress air-conditioning refrigerants, or do anything that can be connected with a rotary crankshaft.
Economical: In sunlight, free solar energy supplies heat to boil water to make steam. Remarkably low 1 - 5 psi steam pressure supplies adequate steam to be condensed to vacuum. Motive force is free air pressure which pushes each piston end-to-end to fill the vacuum in a cylinder with a force of 400 lbs. When solar energy is not available, low cost fuels can be used to heat water to make steam to produce the low required steam pressure.
Clean-running: No air pollution results when solar energy is used to heat water to make steam, or from use of methane or ethanol. "Waste steam" regeneration, cogeneration, when used by this vacuum engine, increases manufacturing plant efficiency while contributing no additional pollution. Global warming can be reduced when this non-polluting STV engine replaces other less efficient engines.
Automatic operation: Computer software controls solenoid valves. Use of computers to control valves makes the engine operation automatic.
Global operation: The Bishop STV engine can operate in world-wide locations. Valves control steam, vacuum, and air. Electric current to solenoid valves comes either from utility power plant generation of 120 or 220 VAC, or from batteries which supply 12 or 24 VDC. Battery use allows the Bishop STV engine to operate in locations where neither 120 nor 220 VAC is available. On battery current, this engine can operate in locations where nature has provided the elements of adequate sunshine, water, and air to breathe.
Patent Protection: The Bishop STV received U. S. Patent No. 6,951,107 in 2005.
Engine development and improvement: As engineers perfect and improve the Steam-to-Vacuum engine, many patents will be made and developed. Engine add-ons will be created. We are offering appropriate licensing opportunities to quality business partners.
Endless Free Force Potential: Nuclear waste may provide steam for STV engine operation. Nuclear waste is stored in casks at 300 degrees F. from which heat exchangers can produce clean steam at 230 degrees F; This source can provide abundant steam to operate these engines for centuries at full force.