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. 22, 2017
Filed:
Nov. 22, 2012
Applicant:
Vhit S.p.a., Offanengo, IT;
Inventors:
Assignee:
VHIT S.P.A., Offanengo (CR), IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 17/00 (2006.01); F04B 17/03 (2006.01); F04C 23/02 (2006.01); F04C 25/02 (2006.01); F04C 29/00 (2006.01); F04C 29/02 (2006.01); F04B 17/05 (2006.01); F04B 19/04 (2006.01); F04B 39/02 (2006.01); F04C 15/00 (2006.01); F04C 18/344 (2006.01);
U.S. Cl.
CPC ...
F04B 17/03 (2013.01); F04B 17/05 (2013.01); F04B 19/04 (2013.01); F04C 15/008 (2013.01); F04C 23/02 (2013.01); F04C 25/02 (2013.01); F04C 29/0071 (2013.01); F04C 29/0085 (2013.01); F04C 29/021 (2013.01); F04B 39/02 (2013.01); F04B 39/0207 (2013.01); F04C 15/0088 (2013.01); F04C 18/344 (2013.01);
Abstract
A vacuum generation system, in particular for applications to hybrid-drive motor vehicles, comprises a vacuum pump () arranged to be independently driven by either an internal combustion engine () or an electric motor () depending on the vacuum conditions in utilizing devices () and the operating conditions of the internal combustion engine. A pump for use in such a system and a method of vacuum generation by using the system are also provided.