Introducing the new Bishop Steam-to-Vacuum Engine
which changes solar heat, or any available fuel,
into usable power.
The Bishop Steam-to-Vacuum (STV) Engine is powerful,
economical, clean-running, computer-automatic and
capable of nearly global solar operations.
The STV engine can be used almost anywhere to:
rotate power belt wheels
compress air conditioning refrigerants|
U. S. Patent Nos. 6,951,107 and 7,194,861.