.~ Having means within the working chamber to effect the pressure of fluid therein {1}
513
.~.~ Electric heating means
DEFINITION
Classification: 60/513
(under subclass 512) Apparatus wherein the means within the working chamber is a resistance element heated by the passage of an electric current therethrough to heat the working fluid therein and thus increase the pressure of the working fluid.
(1) Note. The fluid within the working chamber may be air or steam which is to be heated or superheated or the motive fluid may be a liquid as water which is introduced into the working chamber and instantaneously flashes into steam upon contact with the electric coil or plate.
