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:
Apr. 30, 2019
Filed:
May. 27, 2016
Applicant:
Hanon Systems, Daejeon, KR;
Inventors:
Olaf Degenhardt, Pulheim, DE;
Eckart Sievers, Kerpen, DE;
Harald Jung, Bornheim, DE;
Nico Esser, Bergisch Gladbach, DE;
Assignee:
HANON SYSTEMS, Daejeon, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01); F04D 29/16 (2006.01); F04D 17/16 (2006.01); F04D 25/08 (2006.01); F04D 29/66 (2006.01); B60H 1/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/4213 (2013.01); F04D 17/16 (2013.01); F04D 25/08 (2013.01); F04D 29/162 (2013.01); F04D 29/4226 (2013.01); F04D 29/661 (2013.01); B60H 2001/006 (2013.01); F05B 2240/14 (2013.01); F05B 2240/30 (2013.01); F05B 2260/96 (2013.01);
Abstract
A centrifugal blower unit for motor vehicle air conditioning systems having a fan wheel () in a spiral housing (), wherein the spiral housing () corresponds to the shape of the fan wheel () and has a bell mouth region () and an axial intake opening (), wherein a diaphragm () is arranged at the bell mouth region () of the spiral housing (), being radially inward, whose diaphragm end region () bordering the intake opening () has at least one sharp edge.