Patent · US Active

Ultrasonic sensor device having an improved decoupling ring and motor vehicle

US9746449B2 · kind B2 · utility

2Cited by

3References

17Claims

0Family size

Assignee

VALEO SCHALTER UND SENSOREN GMBH · DE

Inventors

Oliver Eidel · Bietigheim-Bissingen, DE
Stefan Triebl · Mühlacker, DE
Hans-Wilhelm Wehling · Oberhausen, DE
Thomas Jung · Aschbach, DE
Hubert Neft · Bornsteiner Straße, DE
Stephan Max · Gifhorn, DE

Key dates

Filing date	Jul 23, 2013
Grant date	Aug 29, 2017
Priority date	—
Expiry date	May 11, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/023
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising an ultrasonic sensor (2), which comprises a pot-shaped membrane (21) for emitting and/or receiving ultrasonic signals, comprising a decoupling ring (6), which is arranged to fit around the membrane (21) in contact with an outer circumference (34) of the membrane (21), and comprising a stiffening element (13), which is arranged around the decoupling ring (6), wherein the decoupling ring (6) comprises a circumferential first radial decoupling region (32) which is in contact with the outer circumference (34) of the membrane (21) as well as a second radial decoupling region (33) with an axial face (37) which is in contact with an axial face (38) of the stiffening element (13).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.