The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 1983
Filed:
Nov. 09, 1979
David M Schwartz, Washington, DC (US);
Other;
Abstract
A solar heat exchanger for vaporizing virtually all the liquid entering the exchanger. The solar heat exchanger of the invention is comprised of a metal tube, a feedwater inlet tube of much smaller diameter located within the metal tube and a transparent glass envelope enclosing the metal tube. The annular space between the inner surface of the glass envelope and the outer surface of the metal tube is evacuated to pressure of 10.sup.-6 torr. A vapor outlet pipe is provided at one end of the exchanger. A feedwater inlet pipe extends from the opposite end of the exchanger within and for approximately the length of the interior of the metal tube. In use incoming feedwater is pumped through the feedwater pipe and sprays outwardly through small spray orifices onto the hot inside surface of the metal tube, which converts it to steam.