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. 13, 2020
Filed:
Mar. 27, 2018
Applicant:
Denso Wave Incorporated, Chita-gun, Aichi-pref., JP;
Inventor:
Hironobu Ando, Chita-gun, JP;
Assignee:
DENSO WAVE INCORPORATED, Aichi., JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 3/28 (2006.01); G01M 3/40 (2006.01);
U.S. Cl.
CPC ...
G01M 3/2815 (2013.01); G01M 3/40 (2013.01);
Abstract
A water leakage detection apparatus includes a pressure sensor, a detecting unit, and an actuator. The pressure sensor is disposed in a water pipe. The detecting unit detects water leakage based on sensor signals from the pressure sensor. The actuator is controlled by the detecting unit, and opens and closes an electromagnetic valve that is disposed in the water pipe. The detecting unit samples the sensor signals in a state in which the water pipe is closed by the electromagnetic valve, and performs a water leakage determination for detecting water leakage based on the sampled sensor signals.