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:
Jan. 04, 2005
Filed:
Jan. 27, 2003
Nguyen Van Doan, Neu-Anspach, DE;
Waldemar Hebisch, Gross Gerau, DE;
Nguyen van Doan, Neu-Anspach, DE;
Waldemar Hebisch, Gross Gerau, DE;
Luk Fahrzeug-Hydraulik GmbH & Co. KG, Bad Homburg, DE;
Abstract
A rotary vane pump for delivering a fluid and which has a housing which accommodates a rotatable delivery device () and which includes a feed channel () for receiving the fluid from a tank or the like. The feed channel communicates with a jet chamber () which in turn communicates via one or more suction channels () to at least two suction chambers which communicate with the intake region of the pump. An injector device () injects a pressurized fluid into the jet chamber to entrain and advance the fluid entering from the feed channel (), and means are provided for influencing the flow of the fluid so as to achieve essentially the same volume flow into the two suction chambers.