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:
Jun. 18, 1991
Filed:
Dec. 01, 1989
Michiaki Sasaki, Kanagawa, JP;
Kazuya Yuki, Kanagawa, JP;
Nissan Motor Co., Ltd., , JP;
Abstract
A jet pump structure for a fuel tank having first and second chambers therein includes first, second and third fuel pipes all of which are connected to a vacuum chamber provided within the fuel tank. The first pipe returns oversupplied fuel into the vacuum chamber, the second pipe transfers fuel stored in the first chamber into the vacuum chamber, and the third pipe receives the fuel from the first and second pipes. A silencer unit is connected to the third pipe for receiving the fuel from the third pipe and discharging the fuel into the second chamber. A flow guide member is provided within the first pipe receives the oversupplied fuel and forms same a swirl flow. The swirl flow is ejected from the first pipe to provide a vacuum the vacuum chamber.