About 16 results
https://drivepatents.com/patents/1089509 · 25 Feb 2004
A fuel metering system for a combustion engine carburetor utilizes a non-convoluted, planar, flexible diaphragm which does not require a molding process to form a traditional convolution. The diaphragm defines in part a pressure controlled fuel metering ch...
https://drivepatents.com/patents/1096742 · 16 Apr 2003
Method of and mechanism for regulating fuel feed from a rotary valve type carburetor to an associated engine. A carburetor bypass air passage variably communicates the throttle valve hole with a bypass air source at engine idle setting of the throttle valv...
https://drivepatents.com/patents/1096958 · 9 Apr 2003
A carburetor for a small internal combustion engine has a manual priming fuel pump with a resilient valve for allowing fuel flow in a first direction and for preventing fuel flow in a second direction. The resilient valve is reinforced with longitudinally ...
https://drivepatents.com/patents/1098889 · 22 Jan 2003
A carburetor preferably of a diaphragm type for an internal combustion engine has a low speed circuit (72) for starting and idling of a cold engine. An air bleed line (82) of the low speed circuit communicates between an inlet of a fuel and air mixing pass...
https://drivepatents.com/patents/1100576 · 6 Nov 2002
A carburetor (40) having throttle valve co-rotatable with a small diameter throttle shaft (46) having a free end protruding from an exterior side surface of the associated carburetor body (42). A throttle lever detent arm (52) is co-rotatable on and with t...
https://drivepatents.com/patents/1101522 · 25 Sep 2002
A carburetor (10) having a first valve (12) to control the application of pressure pulses to a fuel metering assembly of the carburetor through a first flow path and a second valve (14) which controls at least a second flow path to provide an enriched fuel...
https://drivepatents.com/patents/1101913 · 11 Sep 2002
A releasable latch is arranged such that during interengagement, an aiding torque is created to angular phase shift the fast idle lever relative to the choke lever (46). A gap in the push coupling is opened after further rotation of the choke valve has bee...
https://drivepatents.com/patents/1102095 · 4 Sep 2002
A fuel needle valve assembly of a carburetor has a retainer which yieldingly restrains the rotational fuel flow setting capability of the needle valve. The retainer engages a shank of the needle valve and a parallel shaft, both of which project from the ca...
https://drivepatents.com/patents/1104726 · 2 May 2002
A carburetor with a valve assembly having a plastic cam body connected to a plastic shaft which extends into the carburetor body and a valve head press-fit into a slot formed through the plastic shaft. Desirably, the valve assembly eliminates the use of th...
https://drivepatents.com/patents/1106222 · 6 Mar 2002
A carburetor having a plurality of restricted fluid flow paths upstream of a fuel and air mixing passage to inhibit the passage of large fuel vapor bubbles through the fuel paths and to the fuel and air mixing passage. Desirably, the restricted flow paths ...