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.

Date of Patent:
Dec. 06, 1977

Filed:

Mar. 19, 1976
Applicant:
Inventor:

Harold D Beck, Downers Grove, IL (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F / ; F01P / ; F03D / ;
U.S. Cl.
CPC ...
165122 ; 123 4149 ; 415207 ; 415210 ; 4152 / ; 415D / ;
Abstract

A contoured shroud exit having means capable of producing low pressure vortices when a fan generated air stream is expelled therefrom.


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