About 40 results
https://drivepatents.com/patents/980131 · 1 Jan 2014
The circuit (40) has an operation sensor assigned to a safety brake device for emitting a first status signal as to an operating state of the brake device. A start position sensor (43) is arranged on an operating mode selector (31) for emitting a second st...
https://drivepatents.com/patents/980126 · 1 Jan 2014
The apparatus (1) has a braking arrangement (55) for braking a work tool when the tool is in the actuated position of the arrangement and releasing the tool in the unactuated position of the arrangement, where an actuating unit is configured for the arrang...
https://drivepatents.com/patents/981537 · 27 Nov 2013
The implement has an air filter (38) including a cylindrical filter element (39) fixedly connected to end plates (51). One of the end plates serves as an air filter bottom (40). An intermediate flange (43) between the filter and an engine faces the air fil...
https://drivepatents.com/patents/982858 · 23 Oct 2013
The work apparatus has a combustion engine (18) that drives work tool. A fuel pump is designed to convey the fuel from a fuel tank (12) to the combustion engine. The fuel pump is driven by the combustion engine. A feed pump is manually actuated by user. Th...
https://drivepatents.com/patents/987651 · 7 Aug 2013
The hand-operated working equipment has an internal combustion engine (4) for driving a tool, where the internal combustion engine has an ignition device, a fuel supplying device and a control device. The control device is engaged on reaching an engagement...
https://drivepatents.com/patents/988352 · 24 Jul 2013
The protective circuit has predetermined number of single cells, which are successively switched in two cell rows (A,B,C,D), which lie parallel to each other. A phase current (Ia,Ib,Ic,Id) flowing while loading the battery pack in one cell row is compared ...
https://drivepatents.com/patents/988353 · 24 Jul 2013
The circuit has lithium ion cells (4) that are connected in series (A-D) through cell connectors (Z0a-Z10a,Z0b-Z10b,Z0c-Z10c,Z0d-Z10d). The compensation lines (L1a-L10a,L1b-L10b,L1c-L10c,L1d-Ld10) are provided for electrically interconnecting the cell conn...
https://drivepatents.com/patents/984726 · 3 Jul 2013
The tool has a fuel pump (23) conveying fuel from a fuel tank (32) to an injection valve, which supplies the fuel to an internal combustion engine e.g. two-stroke engine. An impeller (28) is driven by the engine. The engine includes a cylinder (17), which ...
https://drivepatents.com/patents/984770 · 26 Jun 2013
The method involves measuring the crankcase pressure using a crankcase pressure sensor (21) of the combustion chamber (3), and evaluating the measured values of the crankcase pressure sensor using an evaluation device (23). The ambient pressure is determin...
https://drivepatents.com/patents/984762 · 26 Jun 2013
The rechargeable battery pack (10) has a housing portion (14) that is provided with an inner receiving space for several lithium ion single cells which are electrically connected with each other. The receiving space of the housing portion is divided into s...