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:
Mar. 24, 2015
Filed:
Sep. 15, 2010
Ulrich Fromm, Ilsfeld, DE;
Sven-eric Will, Ilsfeld, DE;
Ulrich Fromm, Ilsfeld, DE;
Sven-Eric Will, Ilsfeld, DE;
Watson Marlow GmbH, Ilsfeld, DE;
Abstract
A rotary displacement pump of an undulatory disk type; with a pump housing () comprising a front end plate () and a rear end plate, the pump housing enclosing a stator (), a rotor (), a scraper () and a scraper guide (), a shaft () extending through at least the rear end plate; the stator including a generally semi-circular arc-formed first stator member () and a generally semi-circular arc-formed second stator member (), the stator, the pump housing and the scraper together with the scraper guide defining an inlet and outlet chamber, wherein at least part of the end faces of the first and second stator members being situated in the outlet chamber are oblique so as to provide an obtuse-angled transition to the inner faces of the front end plate and the rear end plate.