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:
Jan. 09, 2018
Filed:
Jul. 02, 2013
Beijing Institute of Technology, Beijing, CN;
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, Beijing, CN;
BEIJING INSTITUTE OF TECHNOLOGY, Beijing, CN;
Abstract
A sensor device, comprising two symmetrically disposed sonolucent wedges (), and a connecting piece for fixedly connecting the two sonolucent wedges (); the upper surfaces of the sonolucent wedges () are provided with inclined planes; installation holes are formed on the inclined planes; transducers () are installed in respective installation holes; one transducer () is used to generate ultrasonic waves, and the other transducer () is used to receive the ultrasonic waves generated by the previous transducer (). The residual stress detection system comprises a sensor device, an ultrasonic transmission card, and a data acquisition card.