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. 29, 2019
Filed:
Jun. 26, 2018
Toto Ltd., Kitakyushu-shi, Fukuoka, JP;
Tomoyoshi Taketani, Kitakyushu, JP;
Hideki Tanimoto, Kitakyushu, JP;
Takashi Matsusaki, Kitakyushu, JP;
TOTO LTD., Kitakyushu-shi, Fukuoka, JP;
Abstract
A flush water tank apparatus capable of stable operational control of a discharge valve apparatus, and stable flush water supply to a toilet for long term. The flush water tank apparatus of the present invention includes a power drive unit comprising a motor and an output shaft, being a power drive unit capable of electrically operating a drain valve on a drain valve mechanism; and a housing portion formed so as to surround the perimeter of the outlet on a drive unit internal air passage extending from the motor in the interior of the flush water tank; wherein an air passage communicating from the motor of the power drive unit through the housing portion to the exterior of the flush water tank is formed.