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. 15, 2024
Filed:
Mar. 10, 2022
Nemoto Kyorindo Co., Ltd., Tokyo, JP;
NEMOTO KYORINDO CO., LTD., Tokyo, JP;
Abstract
Provided is an injector in which adhesion between a stator and a rotor of an ultrasonic motor can be released efficiently. An injector () which injects a chemical liquid includes: an ultrasonic motor unit () including an ultrasonic motor (); a drive mechanism () to be driven by the ultrasonic motor unit () so as to feed the chemical liquid when the ultrasonic motor () rotates forwardly; and a control device () which controls the ultrasonic motor () of the ultrasonic motor unit (). The ultrasonic motor () includes a stator () and a rotor (), and the control device () controls the ultrasonic motor () to alternately repeat forward rotation and reverse rotation so that adhesion between the stator () and the rotor () is released.