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:
Nov. 16, 2021
Filed:
Feb. 23, 2017
Pierburg Pump Technology Gmbh, Neuss, DE;
Steffen Schnurr, Essen, DE;
Sebastian Cramer, Pulheim, DE;
Nabil Salim Al-Hasan, Korschenbroich, DE;
Stanislaus Russ, Moenchengladbach, DE;
Tobias Gruene, Arnsberg, DE;
PITERBURG PUMP TECHNOLOGY GMBH, Neuss, DE;
Abstract
A vane-type gas pump includes a pump housing which forms a pump chamber in which a pump rotor with at least one slidable sliding element is rotatably mounted. At least one fluid inlet opening and at least one fluid outlet opening are dedicated to the pump chamber. The pump housing includes a closed stroke ring, a first separate thrust washer, and a second separate thrust washer. At least one stroke ring adjustment device axially clamps the closed stroke ring directly to the first separate thrust washer. At least one separate housing clamping device axially clamps the first separate thrust washer, the closed stroke ring, and the second separate thrust washer together.