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:
Sep. 25, 1990
Filed:
Feb. 14, 1990
Applicant:
Inventors:
Assignee:
Alfa Lancia S.p.A., Arese, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123585 ; 123587 ;
Abstract
The proposed feed device comprises non-return valve means, preferably of flap type, which are able to open and close the small ducts provided for feeding the individual cylinders of an internal combustion engine when the throttle valves are in their maximum closure position.