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. 05, 2021
Filed:
Mar. 09, 2018
Piolax, Inc., Yokohama, JP;
Kenta Mihara, Yokohama, JP;
PIOLAX, INC., Yokohama, JP;
Abstract
A valve device includes: a housing having a valve chamber and a ventilation chamber divided by a dividing wall, the dividing wall having an opening, and the housing having a discharge opening formed at a peripheral surface on the ventilation chamber side; a float valve coming into and out of contact with the opening; and a fuel vapor pipe connected with the discharge opening outside the housing. The ventilation chamber is provided with a tubular wall which communicates with the discharge opening and which extends from the discharge opening toward the inside of the ventilation chamber. The tubular wall has a surface on the dividing wall side which is provided with a ventilation hole communicating with the ventilation chamber. An end portion on the extending direction side of the tubular wall is closed.