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:
Apr. 20, 1999
Filed:
Jul. 08, 1997
OM Corporation, Okayama, JP;
Abstract
A fuel delivery device for a fuel tank comprising a float chamber for sucking fuel in a normal state, a sub chamber for sucking a small quantity of fuel remaining within a tank and a communication chamber for communicating the float chamber and the sub chamber to each other in lower portions thereof En the fuel delivery device for a fuel tank, a sub float chamber is provided above the sub chamber, the sub float chamber has a gas discharge port communicating with-the fuel tank in an upper portion, a vent hole communicating with the sub chamber in a lower portion and a sub float valve within, and the sub float valve ascends and descends in accordance with a quantity of an excess fuel returned to the sub float chamber from the engine so as to open and close the vent hole. Further, in the fuel delivery device for a fuel tank, a bypass passage having bent passage sections of down, up and down which is formed by arranging a lower separation wall having a gap in an upper portion with respect to a communication passage for feeding out fuel from the sub chamber to the communication chamber and an upper separation wall having a gap in a lower portion with respect to the communication passage in order is formed within the sub chamber and the bypass passage and the communication passage are connected to each other.