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. 11, 2001
Filed:
Aug. 06, 1999
Michael Huebel, Gerlingen, DE;
Willi Strohl, Anderson, SC (US);
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a side-channel pump having an intake cover (,), which is used in pumping fuel in a motor vehicle. The intake cover (,) has a side channel (,), extending radially about a pivot point (,) in the intake cover (,), a first opening (,) for an intake channel (,) of the side channel (,) and a constant side channel width (B,) in a portion extending circumferentially. The side channel (,) has a side channel width (B,) in the top side (,) that is constant, as seen from a beginning (,) of the side channel (,), already at a value of a first angle (&phgr;) of between 0 and preferably approximately 5 and at most 20 , referred to a line (L,) through the pivot axis (,) and through a contact point (,) at the beginning (,). This makes for better hot-gasoline performance, increased efficiency, and a higher pressure ratio of the side-channel pump. The intake cover is suitable in particular for a dual-flow side-channel pump.