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:
Oct. 11, 2016
Filed:
May. 18, 2011
Applicants:
Timothy S. Roman, Minnetonka, MN (US);
Adam K. Collins, Brooklyn Park, MN (US);
Inventors:
Timothy S. Roman, Minnetonka, MN (US);
Adam K. Collins, Brooklyn Park, MN (US);
Assignee:
Graco Minnesota Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/00 (2006.01); F04B 45/04 (2006.01); F04B 45/053 (2006.01); F04B 43/113 (2006.01); F01N 1/24 (2006.01); F15B 21/00 (2006.01);
U.S. Cl.
CPC ...
F04B 39/0055 (2013.01); F01N 1/24 (2013.01); F04B 43/1136 (2013.01); F04B 45/043 (2013.01); F04B 45/053 (2013.01); F04B 45/0536 (2013.01); F15B 21/008 (2013.01);
Abstract
A muffler for a positive displacement pneumatic motor includes a case, an inlet, a diffuser, a pathway, and sound absorbing material. The inlet and the diffuser are attached to the case. The pathway extends between the inlet and the diffuser and allows ice to travel through the muffler. The sound absorbing material is positioned in the pathway and includes more than one duct through which gas passes.