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:
Nov. 18, 2025
Filed:
Jan. 04, 2024
Tatsuno Corporation, Tokyo, JP;
Tsutomu Otaki, Tokyo, JP;
Takaaki Takeno, Tokyo, JP;
TATSUNO CORPORATION, Tokyo, JP;
Abstract
To provide a calibration device reliably accomplish communication filling without a great deal of labor when filling gaseous fuel (e.g., hydrogen gas) from a filling apparatus (e.g., a hydrogen filling apparatus) to a device to be filled (e.g., a hydrogen tank of an FCV) via the calibration device, and so on. A calibration deviceaccording to the present invention includes a flowmeter; a filling nozzleconnected to the flowmeterthrough a pipeA, the filling nozzlehaving a communication input partA that receives information from a sideto be filled as an optical signal; and a receptacleconnected to the flowmeterthrough a pipeB, the receptaclehaving a communication output partA that outputs the signal received from the communication input partA of the filling nozzleto a filling nozzle side of a filling devicethat fills gaseous fuel, wherein the communication output partA is movable in a central axis direction of the pipeB connected to the receptacle, and an optical signal is emitted from the communication output partA toward the central axis of the pipeB.