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:
Jun. 09, 2020
Filed:
Mar. 31, 2016
Ebm-papst St. Georgen Gmbh & Co. KG, St. Georgen, DE;
Hassan Ghodsi-Khameneh, Offenburg, DE;
Alexander Hahn, Eigeltingen-Heudorf, DE;
ebm—papst St. Georgen GmbH & Co. KG, St. Georgen, DE;
Abstract
The invention relates to a pump device () for pumping a fluid (), comprising: a pump housing () having an annular portion (); a pump ring (), which is deformable and defines an annular pump chamber () at least in some portions; a first connection () and a second connection (), said first connection () and said second connection () being in fluid communication with the pump chamber (); an eccentric (), which is designed to be rotatable relative to the pump housing () and which is arranged such in the pump device () that the eccentric (), depending on a current rotational position of the eccentric (), deforms the pump ring () in such a way that the pump ring () presses at least partially against the annular portion () in order to pump, by way of a rotation of the eccentric (), the fluid () along the pump chamber () from the first connection () to the second connection () depending on the current rotational position of the eccentric; and a clamping element (), which is designed to statically press the pump ring () against the annular portion () of the pump housing () in a clamping link region (). The pump ring () has at least one recess () for accommodating at least part of the clamping element (), said recess () being dimensioned such that in each rotational position of the eccentric () at least in some portions a distance () between the radially inner side () of the clamping element () and the pump ring () is provided.