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:
Mar. 31, 2020
Filed:
May. 09, 2017
Mettler-toledo Safeline Ltd., Salford, Manchester, GB;
Yifei Zhao, Salford, GB;
Mettler-Toledo Safeline Ltd., Salford, Manchester, GB;
Abstract
A metal detection apparatus has a passage channel () through which products (P) that may contain metal contaminants (C) pass. The apparatus has at least one transmitter unit () that provides transmitter signals to a transmitter coil () that is inductively coupled to a first and a second receiver coil (). The receiver coils are balanced and connected separately or combined to an input of a receiver unit (). The transmitter coil has at least two coil sections () that are arranged inclined to one another, with each coil section generating at least a first and a second magnetic field (M; M). Each of the first and the second receiver coils has at least a first coil section () that is engaged in the first magnetic field and at least a second coil section () that is engaged in the second magnetic field.