ENGINE STARTING SYSTEMProvided is an easy engine starting system including: an engine; a centrifugal clutch configured to transmit a driving force of the engine to a driven device; and a control device configured to adjust…DRIVE·Dec 31·1 min readFollowF02B63/02OPPAMA IND CO LTD [JP]
FUEL PRESSURIZATION DEVICEA fuel pressurization device pressure-feeds starting fuel supplied from a pump to an engine via a valve. The fuel pressurization device includes: a fuel chamber forming portion including a fuel chambe…DRIVE·Oct 29·1 min readFollowF02B63/02MARUYAMA MFG CO [JP]
HANDHELD ENGINE - DRIVEN WORKING MACHINEAn engine-driven working machine (10) according to the present invention has a controller (14), which varies a control value of a solenoid valve (20) so as to decrease or increase an opening degree of…DRIVE·Oct 26·1 min readFollowF02B63/02YAMABIKO CORP [JP]
HANDHELD ENGINE - DRIVEN WORKING MACHINEAn engine-driven working machine (10) according to the present invention has a controller (14), which varies a control value of a solenoid valve (20) so as to decrease or increase an opening degree of…DRIVE·Oct 26·1 min readFollowF02B63/02YAMABIKO CORP [JP]
POWER WORKING MACHINEProvided is a portable power working machine that is designed to suppress mixing of dust into air sucked into an air intake system of an air-cooled internal combustion engine mounted as a driving powe…DRIVE·Sep 14·2 min readFollowF02B63/02YAMABIKO CORP [JP]
ENGINE-DRIVEN WORKING MACHINEAn engine-driven working machine is provided, in which a time period until the rotation speed limitation mode is canceled can be shortened. After the throttle valve (10) is moved to a fully-closed pos…DRIVE·Apr 20·1 min readFollowF02B63/02YAMABIKO CORP [JP]
METHOD FOR CONTROLLING THE SPEED LIMIT OF A COMBUSTION ENGINEThe invention relates to a method for controlling the speed limitation of an internal combustion engine (8) in a hand-held work device (1), such as a motor chainsaw. A cylinder (9) of the internal com…DRIVE·Dec 16·2 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Manually operated working device having a pump, pump and pump bellowsA handheld work tool has a fuel supply system and a pump for delivering fuel from the fuel supply system. The pump (40) has an elastic pump bellows (13) to be actuated by the operator. The pump bellow…DRIVE·May 20·2 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Method for starting an internal combustion engine with a starting deviceThe invention relates to a method for starting an internal combustion engine (14) with a pull-cord starter, wherein a fuel/air mixture is supplied to the internal combustion engine (14) via an intake …DRIVE·Mar 18·2 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Carburetor for a hand-held work device and hand-held work deviceThe 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 i…DRIVE·Jun 25·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Work deviceThe 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 …DRIVE·Jun 18·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Method for switching off a speed limiting device in a combustion engineThe 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 gener…DRIVE·Feb 5·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Tool comprising a fuel pumpThe 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 combust…DRIVE·Oct 23·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
METHOD FOR OPERATING A COMBUSTION ENGINEThe 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 …DRIVE·Jun 26·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Combustion engine and hand-held work device with a combustion engineThe engine has crankcase (4), a crankshaft and a cylinder that is rotated around rotational axis. The crankcase has circumferential wall that is arranged extending in circumferential direction, and is…DRIVE·Jun 12·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
Four-stroke engineA four-stroke engine (1) for a working machine with a rod (60), where a tool is attached to one end of the rod (60) in a longitudinal direction and the four-stroke engine (1) is fixed to the other end…DRIVE·Jun 5·2 min readFollowF02B63/02MAKITA CORP [JP]
Method for controlling the speed limit of a combustion engineA combustion chamber mounted with spark plug is controlled by an ignition device. A speed control unit is provided to control speed of combustion engine. A speed trap circuit is provided to limit spee…DRIVE·Aug 1·1 min readFollowF02B63/02STIHL AG & CO KG ANDREAS [DE]
An adjustment and blocking system of an accelerator cableAn adjustment and blocking system of an accelerator cable of an internal combustion engine of a portable work machine comprising the engine, a tubular frame joining the engine with the tool, and a han…DRIVE·Sep 28·1 min readFollowF02B63/02EMAK SPA [IT]
Portable working machineA portable working machine includes a gaseous-fueled engine, a working unit driven by the engine, a control unit for controlling the engine and the working unit, and an acceleration sensor capable of …DRIVE·Apr 27·1 min readFollowF02B63/02HONDA MOTOR CO LTD [JP]
Motor with an improved carburettor unit assemblyThe engine (100) has a cylinder (12) comprising an intermediate flange (15) with a carrier bridge (15a) and extending along a piston running direction (13) from a crankcase side (12a) to a head end (1…DRIVE·Apr 20·1 min readFollowF02B63/02MAKITA CORP [JP]
Air filter housing with tamper resistant carburetor featureA device for a power tool that includes an internal combustion engine and a carburetor for supplying an air and fuel mixture to the engine. The carburetor includes at least one externally adjustable c…DRIVE·Nov 30·1 min readFollowF02B63/02ELECTROLUX HOME PROD INC [US]
Arrangement of electrical devices on a motorcycleThe present invention concerns an engine 10 having a crankcase (15) extending in the longitudinal direction of a vehicle body, a cylinder (16) located before the crankcase and extending almost upward,…DRIVE·Aug 10·1 min readFollowF02B63/02HONDA MOTOR CO LTD [JP]
Four-stroke engine systemA four-stroke engine (10) employs engine vibration for lubricating engine components. The engine vibration induces a ripple in a surface portion of the oil in an oil reservoir (38), which is located w…DRIVE·May 25·1 min readFollowF02B63/02ELECTROLUX HOME PROD INC [US]
Emissions control system for small internal combustion enginesAn 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 …DRIVE·Mar 24·2 min readFollowF02B63/02TECUMSEH PRODUCTS CO [US]
Engine with variable compression ratioAn engine with a variable compression ratio includes a connecting rod connected to a piston, a first arm turnably connected to the connecting rod and to a crankshaft through a crankpin, a second arm i…DRIVE·Sep 24·2 min readFollowF02B63/02HONDA MOTOR CO LTD [JP]
Centerless recoil starterA centerless recoil starter (26) in a small internal combustion engine (14) having a blower housing (28), a flywheel (36), and a crankshaft (38). The centerless recoil starter generally includes an an…DRIVE·Jan 2·1 min readFollowF02B63/02TECUMSEH PRODUCTS CO [US]
Carburetor with fuel vapor controlA 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 a…DRIVE·Mar 6·1 min readFollowF02B63/02WALBRO CORP [US]
Capacitor discharge engine ignition system with automatic ignition advance and/or minimum ignition speed controlA capacitor discharge engine ignition system includes an ignition coil having a primary winding and a secondary winding for coupling to an engine ignition spark plug. A first electronic switch has pri…DRIVE·Feb 6·2 min readFollowF02B63/02WALBRO CORP [US]
Capacitor discharge engine ignition system with automatic ignition advance/retard timing controlA capacitor discharge engine ignition system that includes an ignition coil having a primary winding and a secondary winding for coupling to an engine ignition spark plug. A first electronic switch ha…DRIVE·Oct 17·2 min readFollowF02B63/02WALBRO CORP [US]
A working machine throttle leverA detachable working machine throttle lever is provided with a main body (25, 35), a rotative lever member (29) to which a wire (21) from an engine (3) is connected, and an engine stop switch (23). Wh…DRIVE·Apr 25·1 min readFollowF02B63/02SANO SHIGEKI [JP]
