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. 04, 1980
Filed:
May. 21, 1979
Applicant:
Inventor:
Masafumi Nakayama, Fujisawa, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
261 / ; 261D / ; 261 / ;
Abstract
In a venturi type fuel supply apparatus wherein a resistance member biased by a spring against a negative suction pressure is provided in an air suction passage to engage a throat formed therein and a needle valve is moved by the resistance member, a unitary structure for metering and ejecting fuel is disposed at the center of the air suction passage. The unitary structure comprises an outer and inner nozzles defining therebetween an air-fuel passage leading to fuel ejection ports. The lower end of the needle valve extends through the inner nozzle which communicates with a source of fuel.