Ultrasonic wave sensor
US11474239B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2019 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Nov 1, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2015/938
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasonic wave sensor includes: a bezel configured by a tubular member having a hollow portion, and including a tubular portion and a flange, the flange having a larger radial dimension than the tubular portion, one surface of the flange on a side opposite to the tubular portion being a front surface, one surface of the flange on the tubular portion side being a back surface; a sensor body including an ultrasonic vibrator and integrated with the bezel while part of the sensor body is inserted into the hollow portion; and a vibration prevention member arranged on the back surface and configured by an elastic body to prevent vibration transmission. The vibration prevention member is an O-ring having an annular shape surrounding the bezel so as to surround a center axis of the bezel, and the back surface has a ring-shaped groove into which part of the O-ring is inserted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.