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. 01, 2022
Filed:
Feb. 03, 2020
Schwäbische Hüttenwerke Automotive Gmbh, Aalen-Wasseralfingen, DE;
Thomas Wahl, Ertingen, DE;
Schwäbische Hüttenwerke Automotive GmbH, Aalen, DE;
Abstract
An internal gear pump for forward and reverse operations, including: a pump housing which includes a first fluid port and a second fluid port, wherein in a first rotational direction, the first fluid port is formed as a fluid outlet and the second fluid port is formed as a fluid inlet, and in a second rotational direction, the first fluid port is formed as a fluid inlet and the second fluid port is formed as a fluid outlet; an internal gear and an external gear which together form delivery cells in order to deliver a fluid; a first rotary bearing which mounts the internal gear; and a second rotary bearing which mounts the external gear; and includes a lubricant feed which sets a fluid flow between the fluid ports through the two rotary bearings in both rotational directions.