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:
Oct. 22, 2019
Filed:
Jan. 24, 2017
Device for determining properties of a medium comprising a damping element and/or open guide element
Sensaction Ag, Coburg, DE;
Jens Rautenberg, Coburg, DE;
SENSACTION AG, Coburg, DE;
Abstract
It is provided an apparatus for determining at least one of physical, chemical and biological properties of a medium, comprising an acoustic waveguide, which has a conduction element with an inner side that faces the medium and an outer side that lies opposite this inner side. The inner side facing the medium is curved in concave fashion and the outer side is curved in convex fashion and the waveguide with the conduction element curved in that way is configured such that a second surface wave coupling-in at the concave inner side propagates along a propagation direction to the receiver. At least one damping element lies downstream of the receiver in the propagation direction of the second surface wave, said damping element being arranged and configured to prevent surface waves propagating counter to the propagation direction of the at least one second surface wave from reaching the receiver.