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:
Apr. 16, 2019
Filed:
Sep. 17, 2015
Knf Flodos Ag, Sursee, CH;
Stephan Kaufmann, Gunzwil, CH;
KNF Flodos AG, Sursee, CH;
Abstract
The invention relates to a diaphragm pump () having a pump housing () on which a disposable cell () is releasably fixable, which disposable cell has a first and a second cell wall () which () define an operating space () between them, and having an operating diaphragm () which () is drivingly connected to an oscillating stroke drive and which () is releasably coupleable with the flexible first cell wall () on its diaphragm flat side remote from the stroke drive. It is characteristic to the diaphragm pump () according to the invention that at least one outlet port () in the operating diaphragm () is provided with a return flow obstructer or a return flow preventer for evacuating the dead space () arranged between it and the first cell wall () (cf. FIG.).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile