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:
Jul. 04, 1989
Filed:
Aug. 10, 1988
Applicant:
Inventors:
Koji Umemura, Aichi, JP;
Toru Nakashima, Kariya, JP;
Yoshifumi Ina, Okazaki, JP;
Masashi Miyamoto, Kariya, JP;
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415119 ; 415 555 ; 4151691 ; 415-1 ;
Abstract
A fuel pump of regenerative type mounted in a fuel tank. The fuel pump has a pump housing defining a pump chamber, an impeller rotatably mounted in the pump housing and provided with a multiplicity of blades formed thereon, and a driving device for driving the impeller. The fuel pump further has a vapor relief port for relieving, from the pump chamber into the space in the fuel tank, vapor of fuel generated as a result of rotation of the impellar, and a vapor relief extension passage connected to the vapor relief port and opening at least one end in the space in the fuel tank.