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. 03, 2013
Filed:
Jun. 02, 2008
Herbert Hofstätter, Vöcklabruck, AT;
Herbert Hofstätter, Vöcklabruck, AT;
Montanuniversitaet Leoben, Leoben, AT;
Abstract
The present invention describes a pumping device () for pumping fluids. The pumping device () comprises a force transmitting element (), a tension unit () coupled to the force transmitting element () and a seal element (). The force transmitting element () is adapted for transferring an upstroke and a downstroke to a pump plunger () for pumping fluid (). The tension unit () is adapted for applying a tension force (F) to the force transmitting element () for keeping the force transmitting element () under tension during the upstroke and the downstroke. The seal element () is adapted for sealingly preventing pumping fluids () during the downstroke and for enabling pumping fluid () during the upstroke. A part () of the seal element () is rigidly coupled with the force transmitting element ().