About 40 results
https://drivepatents.com/patents/966663 · 3 Dec 2014
A hand-held working tool comprises an internal combustion engine (12), a throttle lever (10), and an operating mode selector (8). The throttle lever (10) is adjustable between an idle position (62) and a full throttle position (63), and the operating mode ...
https://drivepatents.com/patents/968981 · 8 Oct 2014
An internal combustion engine has a cylinder in which a piston is mounted for reciprocating motion, which drives a crankshaft rotatably mounted in a crankcase. The piston delimits a combustion chamber into which a spark plug protrudes. The internal combust...
https://drivepatents.com/patents/973286 · 25 Jun 2014
The method involves specifying a first ignition timing for each engine speed of a first engine speed range in an internal combustion engine (15). A second ignition timing is specified for each engine speed of a second engine speed range. The first ignition...
https://drivepatents.com/patents/973206 · 25 Jun 2014
The carburetor (36) has a carburetor housing (40), in which a carburetor roller (37) is pivot-mounted around a rotational axis (76). A needle (48) is fixed on the carburetor roller, where the needle is protruded in a fuel opening (90) of the carburetor. Th...
https://drivepatents.com/patents/973509 · 18 Jun 2014
The tool i.e. brush cutter, has an intermediate stopper acting between a zero position and a maximum position, where a position of the stopper is adjustable over an adjustment element (17). A control element is operated when the intermediate stopper reache...
https://drivepatents.com/patents/976710 · 2 Apr 2014
The securing element screws a head portion (13) of adjustment screws (10,11) into a gasifier housing (2). A retained cap (20) made of plastic is fixed to a wall case (30) of gasifier housing. The adjustment screw is fixed to a rotational stopper (33) of ho...
https://drivepatents.com/patents/978207 · 19 Feb 2014
The circuit (7) has a ring main system (11) provided with an electromotor (2), and parallel branches comprising an electronic switch (15) lying in series to a capacitor (14) i.e. electrolytic capacitor. A series circuit (16) is provided with the capacitor,...
https://drivepatents.com/patents/978794 · 5 Feb 2014
The method involves driving a work tool by a crankshaft engine through a clutch configured to engage in dependence upon the rotational speed of the combustion engine. The clutch is configured to generate a drive connection with the crankshaft. A spark plug...
https://drivepatents.com/patents/980163 · 1 Jan 2014
The brushcutter (1) has a combustion engine that drives a work tool (5). A start enrichment unit is provided for a combustion engine and a brake arrangement is configured for the work tool. An operating mode selector is configured to actuate the start enri...
https://drivepatents.com/patents/980136 · 1 Jan 2014
The apparatus i.e. brush cutter (1), has a combustion engine (9) arranged in a motor housing (2) and driving a work tool e.g. blade. A starting enrichment unit is configured for the combustion engine and includes an operating mode selector to be actuated b...