Abstract The invention relates to a carburettor comprising a conduit with an air-intake and a fuel-introduction device in this conduit, the latter being intended to supply a carburetted fuel mixture to at least one combustion chamber of an explosion engine, and a throttle-valve means mounted in the conduit for controlling the supply flow-rate of carburetted mixture to the combustion chamber, the conduit further comprising a device with surfaces distributed over the transverse section of the conduit, this device being located in the conduit between the fuel-introduction device and the throttle-valve and providing a means of complete or almost complete vaporization of the fuel, thus avoiding inequalities of distribution of the richness of the mixture over the transverse section of the conduit, on the downstream side of the throttle-valve. The surfaces device may comprise a plurality of corrugated fins mounted in a rectilinear portion of the conduit or it may comprise a plurality of incurved fins mounted in an elbow of the conduit, or again the surfaces device consists of a nest of transverse tubes in mutually staggered relation. The throttle-valve means preferably comprises two symmetrical conjointly-operated shutters pivotally mounted on shafts transversely to the conduit.
Inventors
👤 Max Y. A. M. Serruys
Bibliographic Details
Application Number—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-10-31 15:40
CPC Classifications
F; F02; F02M; F02M29/00; F02M29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A carburettor comprising a conduit, an air intake and throttle means disposed in respective upstream and downstream positions in said conduit in relation to the flow of air and fuel therein, fuel introduction means adapted to provide a uniform transverse distribution of fuel droplets in said conduit, said fuel introduction means including a conical needle controlling admission of fuel into the air flow through the air intake and mounted on a piston which is disposed transversely of the conduit and is acted upon by the depression in the conduit to admit more fuel when the depression is greater and less fuel when the depression is less, said conduit having a substantially constant cross section from said fuel introduction means to said throttle means, said conduit having an elbow therein between said fuel introduction means and said throttle means, all the air passing through said elbow in all positions of said throttle means, a plurality of regularly spaced parallel incurved heating fins disposed in said elbow between said fuel introduction means and said throttle means, the portions of the conduit upstream and downstream of said fins being disposed at a substantial angle to each other, and means to heat said fins.
Claim 2
Dependent Claim
200 words
A carburettor comprising a conduit, an air intake and throttle means disposed in respective upstream and downstream positions in said conduit in relation to the flow of air and fuel therein, fuel introduction means adapted to provide a uniform transverse distribution of fuel droplets in said conduit, said fuel introduction means including a conical needle controlling admission of fuel into the air flow through the air intake and mounted on a piston which is disposed transversely of the conduit and is acted upon by the depression in the conduit to admit more fuel when the depression is greater and less fuel when the depression is less, said conduit having a substantially constant cross section from said fuel introduction means to said throttle means, said conduit having an elbow therein between said fuel introduction means and said throttle means, all the air passing through said elbow in all positions of said throttle means, a plurality of regularly spaced parallel incurved heating fins disposed in said elbow between said fuel introduction means and said throttle means, the portions of the conduit upstream and downstream of said fins being disposed at a substantial angle to each other, and means to heat said fins.