Patent · US Active

Sensor device and residual stress detection system employing same

US9863826B2 · kind B2 · utility

1Cited by

7References

13Claims

0Family size

Assignee

Beijing Institute of Technology · CN

Inventors

Chunguang Xu · Beijing, CN
Lang Xu · Beijing, CN
Qinxue Pan · Beijing, CN
Dingguo Xiao · Beijing, CN
Xiao Li · Beijing, CN
Jun GUO · Beijing, CN
Wentao Song · Beijing, CN
Haiyang Liu · Norman, US

Key dates

Filing date	Jul 2, 2013
Grant date	Jan 9, 2018
Priority date	—
Expiry date	Jan 6, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/102
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensor device, comprising two symmetrically disposed sonolucent wedges (5), and a connecting piece for fixedly connecting the two sonolucent wedges (5); the upper surfaces of the sonolucent wedges (5) are provided with inclined planes; installation holes are formed on the inclined planes; transducers (3) are installed in respective installation holes; one transducer (3) is used to generate ultrasonic waves, and the other transducer (3) is used to receive the ultrasonic waves generated by the previous transducer (3). The residual stress detection system comprises a sensor device, an ultrasonic transmission card, and a data acquisition card.

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