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:
Jul. 16, 2002
Filed:
Feb. 02, 2001
Applicant:
Inventor:
Erwin Kobensen, Rhede, DE;
Assignee:
A. Friedr. Flender AG, Bocholt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C 1/08 ;
U.S. Cl.
CPC ...
F01C 1/08 ;
Abstract
The gear unit for a delivery pump installed in a deep borehole has a toothed gear unit with a pinion located on input shaft ( ) and a gear wheel engaged with the pinion, which gear wheel is located on a vertical output shaft ( ) driving the delivery pump. The gear unit is designed as a right-angle unit with a conical pinion gear ( ) located on the input shaft ( ) and a bevel gear ( ) located on the output shaft ( ). Located on the input shaft ( ) is a gearwheel ( ) which together with a second gearwheel ( ) forms a gear pump which conveys fluid in a direction opposite the operational direction of rotation of the gear unit.