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:
Mar. 21, 1978
Filed:
Jun. 15, 1976
Applicant:
Inventors:
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
1231 / ; 261 / ;
Abstract
In a carburettor, the dosing needle for regulating the fuel flow is connected to a second movable element, such as a membrane or piston, the second movable element being movable relative to a first movable element, one side of the second movable element being subject to atmospheric pressure and the other side of the second movable element being subject to the partial vacuum prevailing upstream of the throttle valve, modulated by an electromagnetic valve capable of supplying atmospheric pressure, the electromagnetic valve being controlled by a probe arranged in the exhaust pipe which supplies a signal representative of the composition of the exhaust gases.