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:
Sep. 08, 1992
Filed:
May. 14, 1991
Robert E Field, Tequesta, FL (US);
Abstract
Liner structure for a duct carrying a heated fluid is described which comprises a substantially cylindrically shaped wall member having a corrugated inner surface contour defining a first plurality of axially extending ridges defined between a corresponding plurality of axial grooves, a second plurality of axially spaced vee-shaped vanes disposed on each ridge with the legs of each vane divergent toward the downstream end of the duct, an elongated cap disposed along each ridge atop corresponding vanes and defining a corresponding plurality of slots between each cap and ridge, and a third plurality of holes through the wall member at each ridge between axially adjacent vanes for conducting fluid coolant through the wall member.