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. 20, 2016
Filed:
Aug. 14, 2012
Applicant:
Lance C. Woodsend, Hagerstown, MD (US);
Inventor:
Lance C. Woodsend, Hagerstown, MD (US);
Assignee:
MACK TRUCKS, INC., Greensboro, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/44 (2006.01); G01F 1/40 (2006.01); F02D 21/08 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
G01F 1/44 (2013.01); F02D 21/08 (2013.01); F02M 26/47 (2016.02); G01F 1/40 (2013.01); F02D 2041/0075 (2013.01); F02M 26/05 (2016.02); F02M 26/23 (2016.02);
Abstract
A venturi flow meter for an EGR apparatus includes an inner wall defining an interior space including a converging inlet section, a throat section, and a diverging outlet section and an outer wall surrounding the inner wall and attached to the inner wall, the outer wall being spaced from the inner wall to define an insulating space between the inner wall and the outer wall.