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:
Aug. 09, 2022
Filed:
May. 15, 2018
Hengstler Gmbh, Aldingen, DE;
HENGSTLER GMBH, Aldingen, DE;
Abstract
The invention relates to a multi-turn angle measurement device for measuring multiple revolutions of a shaft (), consisting of a first code carrier () with an optical single-turn scanning function () for detecting the absolute position of the shaft and a second code carrier for measuring the number of revolutions of the shaft (). A reduction gear () is arranged between the first code carrier () and the second code carrier, and the second code carrier consists of a number of permanent magnets (), the position of which is detected by an assembly of Hall sensors (-) fixed to the housing. Each of the permanent magnets () is embedded into the plastic material of the transmission gears () of the reduction gear ().