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:
Apr. 05, 2016

Filed:

Apr. 09, 2013
Applicant:

Harris Corporation, Melbourne, FL (US);

Inventors:

William Robert Palmer, Melbourne, FL (US);

Kenneth E. Brace, Indian Harbour Beach, FL (US);

Assignee:

Harris Corporation, Melbourne, FL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D 1/04 (2006.01); F01D 1/12 (2006.01);
U.S. Cl.
CPC ...
F01D 1/12 (2013.01); Y10T 29/49 (2015.01);
Abstract

A fluid working apparatus () includes a housing structure () with an inlet (), an outlet (), an outer housing member () defining a tubular portion with an inner surface and an inner housing member () within the outer housing member () and having an outer surface spaced from the inner surface such that a working flow chamber () is defined between the radially inner most portions of the outer and inner surfaces and a return chamber () is defined between the radially outer most portions of the outer and inner surfaces. A working assembly is positioned in the housing with a rotor () thereof rotatably supported in the housing structure () and extending into the working flow chamber (). At least one return assembly () is positioned within the tubular portion and configured to return fluid flow from an outlet side to an inlet side of the working assembly (). A method of defining a re-circulating working fluid apparatus is also provided.


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