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US 2026/0309110 A1Published application
Fuel injection arrangement for hand-held powertools
AssigneeHusqvarna AB
InventorsNiklas SUNDBERG, Bo CARLSSON
Life of this patent
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Abstract
Hand-held power tool including a crankcase scavenged combustion engine arranged to drive a work tool, where a fuel injector is configured to provide a controlled amount of fuel into an air and fuel intake flow of the combustion engine, and where an idling air flow channel is arranged to connect with the air and fuel intake flow of the combustion engine in connection to the fuel injector.
Claims15
Hand-held power tool comprising a crankcase scavenged combustion engine arranged to drive a work tool,
- wherein a fuel injector of the equipment is arranged upstream of and distanced from the combustion engine,
- wherein the hand-held power tool comprises first and second airhead channels arranged to guide pure air to the combustion engine, and
- wherein the fuel injector is intersected by a vertical plane separating the first and second airhead channels, and/or where the fuel injector is arranged in connection to at least one airhead channel.
Hand-held power tool comprising a crankcase scavenged combustion engine arranged to drive a work tool,
- wherein a fuel injector of the equipment is configured to provide a controlled amount of fuel into an air and fuel intake flow of the combustion engine,
- wherein the fuel injector is arranged upstream and distanced from the combustion engine and above or below the air and fuel intake flow in a normal operating position of the hand-held power tool,
- wherein the hand-held power tool comprises an airhead channel,
- wherein the airhead channel, at the position of the injector, is arranged substantially above the fuel intake flow in the normal operating position of the hand-held power tool.
1 more element
Dependencies are inferred from the claim text.