US 10,371,100 B2 · Carburetor and methods therefor

Abstract

A carburetor having an inlet opening that includes a pair of concavities operative to direct air toward the metering rod of the carburetor. A carburetor having an inlet opening that includes an arcuate manifold adjacent to the inlet opening and in fluid communication with a fuel reservoir. A carburetor having a slide assembly that includes a positioning mechanism operative to adjust the position of the metering rod relative to the throttle slide. A throttle slide that includes a flow guide that bisects an arcuate relief on an underside thereof. A method for configuring the throat of a carburetor that includes an upper portion of a first diameter and a lower portion of a second diameter that is offset from the first diameter. The method comprises deriving an optimum size for the first and second diameters and the offset based on the pumping efficiency and operating parameters of the engine.

Claims19

Dependent claims

A metering rod for a carburetor, comprising:

an elongated cylindrical rod extending along a rod axis and having opposed first and second end portions;
and
a wake generator formed on the cylindrical rod extending from the first end portion and varying in cross-sectional area along at least a portion of a length of the cylindrical rod;
and
a plurality of grooves formed on the wake generator;
wherein the plurality of grooves include multiple grooves having an arcuate portion.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

14/458,482Filed 13 Aug 2014 · division

Priority

2 Jul 2010

Published

US 2015/0028501 A129 Jan 2015

Granted

6 Aug 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

F02M 7/18
Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves: with means for controlling cross-sectional area of…
F02M 19/02
Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 -…
F02M 19/04
Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 -…
F02M 19/081
Venturis: shape of venturis or cross-section of mixture passages being adjustable

Family

Application61/361,117Us provisional application · filed 2 Jul 2010

Application12/913,629Parent of this continuation-in-part · filed 27 Oct 2010

PCT/US2011/039254Parent of this division · filed 6 Jun 2011

US 2015/0028501 A1Pre-grant publication · published 29 Jan 2015

Application13/807,999Parent of this division

US 8,931,458 B2Parent of this continuation-in-part

Application13/807,999Parent of this continuation-in-part

US 2012/0001113 A1Published application

US 2013/0206107 A1Published application

US 10,371,100 B2This patent

From the US filing history. Foreign family members aren’t listed.

Carburetor and methods therefor

Life of this patent

Carburetor and methods therefor

Life of this patent

Abstract

Claims19