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:
Mar. 08, 2016
Filed:
Feb. 19, 2013
Tokyo Institute of Technology, Tokyo, JP;
Tokyo Institute of Technology, Tokyo, JP;
Abstract
A three-port valve that can be more accurately controlled using a simple structure. The three-port valve is provided with the following: a first elastic tube in which a liquid circulates; a first port which is a provision and discharge opening in the first elastic tube; a second elastic tube in which a liquid circulates; a second port which is a provision and discharge opening in the second elastic tube; a third port that links the first port and the second port; first circulation control means for deforming the first elastic tube so as to control the circulation of the liquid circulating in the first elastic tube; second circulation control means for deforming the second elastic tube so as to control the circulation of the liquid circulating in the second elastic tube; and an oscillator for driving the first circulation control means and the second circulation control means.