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:
Aug. 02, 2011
Filed:
Oct. 26, 2005
Applicant:
William P. Patrick, Glastonbury, CT (US);
Inventor:
William P. Patrick, Glastonbury, CT (US);
Assignee:
Carrier Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compressor has first () and second () enmeshed rotors rotating about first () and second () axes to pump refrigerant to a discharge plenum (). The compressor includes a muffler system () comprising a sound absorbing first element () and a sound absorbing second element (). The second element at least partially surrounds the first element and defines a generally annular flow path portion () between the first element and the second element. A wall () at least partially surrounds the second element. A space () optionally containing a sound absorbing third element () surrounds the wall.