About 27 results
https://drivepatents.com/patents/1071632 · 21 Dec 2005
An evaporative emissions control system (40a, 40b) for small internal combustion engines (28). The system generally includes a charcoal canister (122) and a carburetor (42, 170) with a fuel circuit shutoff valve (80, 222, 240). The charcoal canister is in ...
https://drivepatents.com/patents/1075314 · 3 Aug 2005
An evaporative emissions control system for small internal combustion engines (28), including a charcoal canister (70) which is in fluid communication with the air space above the liquid fuel within the carburetor (36) of the engine and the air space above...
https://drivepatents.com/patents/1079946 · 16 Feb 2005
Piston stroke recognition methods for small internal combustion engines, such as single and two cylinder engines, in which the ignition-related trigger pulses corresponding to the engine cylinders are the only input signal used for stroke recognition.
https://drivepatents.com/patents/1082864 · 27 Oct 2004
The engine (20) has an engine block that has no further internal passages extending between a camshaft cavity and a crankshaft cavity (91). The engine block includes integrally formed cylinder (22) and cylinder head (24). An interconnected crankshaft (42) ...
https://drivepatents.com/patents/1083241 · 13 Oct 2004
A V-twin engine (20) having a crankcase (22) and a pair of cylinders (24) defining a V-space (46) therebetween, wherein the V-space is substantially enclosed, and a carburetor (52) is positioned within the V-space. An intake air preheating arrangement (28)...
https://drivepatents.com/patents/1083255 · 13 Oct 2004
A line of small internal combustion engines (50, 300, 400, 500, 600, 700), including twin cylinder engines (50, 300,400) and single cylinder engines (500, 600, 700). The engines each include a crankcase (52, 302, 402, 502, 602, 702), and one or more cylind...
https://drivepatents.com/patents/1085124 · 4 Aug 2004
A modular hydrostatic transaxle (8) includes an axle module (12) removably connected to a hydrostatic transmission module (10). The axle module includes a differential connected to a reduction gear train and disposed in an axle casing (18). A pair of axles...
https://drivepatents.com/patents/1088717 · 24 Mar 2004
An automatic priming system (20) for internal combustion engines (22), which is operable at engine cranking speeds and which is automatically disabled at engine running speeds. The automatic priming system is driven by pressure fluctuations within the engi...
https://drivepatents.com/patents/1088733 · 24 Mar 2004
An evaporative emissions control system (30a, 30b) for small internal combustion engines (32) includes a control valve (66a, 66b) associated with a fuel line (62) and with a vent line (64) which each connect the fuel tank (54) to the carburetor (34). When ...
https://drivepatents.com/patents/1089632 · 18 Feb 2004
An air cleaner system for small internal combustion engines (20), including a removable or replaceable air cleaner element (72) detachably mounted within an air cleaner cavity (70) which is defined at least in part by the shroud (26) of the engine. The air...