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Class 123/198D - Safety devices


Subclass of Class 123 - Internal-combustion engines
No. of applications: 43
Last issue date: 10/07/2010


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Application No.Application TitleIssue Date
20100251989Stuck Throttle Ignition Interrupting Device
A device for interrupting an automobile ignition in the event of a stuck throttle comprising a multifunction accelerator pedal adapted to engage an interruption means for grounding the ignition in response to an undesirable throttle status, such that the pedal communica...
10/07/2010
20100199945Internal combustion engine valve drive train switching device
In an internal combustion engine valve drive train switching device, at least one safety device is provided for preventing an unscheduled switching of a valve train switching unit....
08/12/2010
20100163132INSULATING DEVICE FOR A MACHINE ELEMENT, IN PARTICULAR AN EXHAUST GAS PIPE
The invention relates to an insulating device containing a first machine element, in particular an exhaust gas pipe, and at least one second machine element, in particular an exhaust manifold, that is connected to said first machine element and through which, in particu...
07/01/2010
20100108020Connector apparatus and system for explosion proof engine
Explosion proof enclosures and explosion proof connectors and sensors are used to render a machine, intended to be operated in an explosive environment, explosion proof. An explosion proof connector includes an intermediate section having an input portion to receive a c...
05/06/2010
20100101541Method for inspecting a tank ventilation device, control device, and internal combustion engine
A robust method, an accordingly designed control device, and an internal combustion engine, enables the proper performance of a tank ventilation device during the operation of the internal combustion engine. For this purpose, the position of a pressure switch of the tan...
04/29/2010
20100101206DEVICE FOR DE-ICING THE AIR INTAKE OF A GAS TURBINE
A de-icer device for de-icing an air inlet of a gas turbine, such as a helicopter turbine engine. The de-icer device includes an essentially metallic enclosure for admitting air into the engine, the enclosure including a first opening for admitting air into the enclosur...
04/29/2010
20100071672Method for testing the function of a pressure switch of a tank ventilation system, control device, and internal combustion engine
The switched state of a pressure switch in a tank ventilation system of a motor vehicle is used for testing the function of the tank ventilation system, the pressure switch being in a low-pressure position if the pressure in the tank ventilation system is lower than a p...
03/25/2010
20090038872Fuel safety control apparatus for vehicle
A fuel safety control device includes a fuel pump disposed in a fuel tank and coupled to a vehicle engine with a fuel piping system, a fuel system safety controller coupled to the fuel pump for controlling the driving direction of the fuel pump, and an impact detector c...
02/12/2009
20080282784Method and a System for Detection of an Engine Fault
An improved method for detection of engine faults especially suited for use on ships. The method is in particular related to the detection of a fault in an internal combustion engine having within the housing a crankshaft connected to a piston. The method includes deter...
11/20/2008
20080230033Throttle lever breakaway mechanism
A throttle lever for use with vehicles such as ATVs with a throttle housing including a vehicle throttle control mechanism. The lever engages the control mechanism by a shaft engaging the control mechanism. A throttle lever arm rotates the shaft to control the throttle ...
09/25/2008
20080047522Low fuel shut off for a portable welder generator
A low fuel shut off for a portable engine-driven welder is disclosed that disables the engine when the fuel level drops below a desired level. The system includes a controller configured to receive the current fuel level signal from a fuel sensor positioned in or near t...
02/28/2008
20080041331System for dynamically detecting fuel leakage
A fuel control system for an engine is disclosed. The fuel control system may have a source of pressurized fuel and at least one injector configured to receive and inject the pressurized fuel. The fuel system may also have a sensor configured to generate a signal indica...
02/21/2008
20080006235Apparatus and Method for Accurate Detection of Locomotive Fuel Injection Pump Solenoid Closure
The invention relates to a system and method for detecting a closing of a solenoid. The system includes a capacitive charge circuit electrically coupled to the solenoid. The capacitive charge circuit conditions the current flow through the solenoid to increase the curre...
01/10/2008
20070288154METHOD AND SYSTEM TO CONTROL INTERNAL COMBUSTION ENGINE IDLE SHUT DOWN
A method for controlling a compression ignition electronic control module equipped compression ignition internal combustion engine installed in a vehicle to permit engine idling to conform to requirements of a geographical location....
12/13/2007
20070278893Fuel pump, motor device for the same, and method for manufacturing the same
A fuel pump includes a pump portion for pumping fuel. The fuel pump further includes a magnet having magnetic poles circumferentially alternate with each other. The fuel pump further includes an armature on a radially inside of the magnet. The armature includes a rotor ...
12/06/2007
20070261660LOW FUEL PRESSURE WARNING SYSTEM
An internal combustion engine system having an internal combustion engine, a fuel source, a fuel filter for filtering fuel from the source to the engine, and a fuel pressure switch disposed between the fuel filter and the fuel source. An additional sensor is provided fo...
11/15/2007
20070234998Shut-down device for engine of portable working machine
An engine shut-down device, which protects a portable working machine from static electricity discharge damage, is provided. In the portable working machine, engine operation can be stopped by switching or forcing a short-circuit at a primary coil in the ignition unit o...
10/11/2007
20070208490Method for limiting the power output of an internal combustion engine
In a method for limiting the power output of an internal combustion engine, an air mass flow deviation of an actual air mass flow (mL(IST)) from a reference air mass flow (ML(REF)) is determined and, depending on the air mass flow deviation, a power output reduction is ...
09/06/2007
20070181088Control Apparatus of Direct Injection Internal Combustion Engine
The present invention provides a control apparatus of a direct injection internal combustion engine used in an idling stop vehicle or the like, which can reduce residual fuel generated in a combustion chamber in an engine stop time, and prevent deterioration of exhaust ...
08/09/2007
20070131204Method for detecting liquefied fuel in canister purge line of vehicle
A method of detecting whether liquefied fuel exists in a canister purge line includes, if a fuel level in a fuel tank is higher than a pre-set level, opening a purge control valve for a time. A difference is calculated between the air-fuel ratio before and after opening...
06/14/2007
20070093954Engine protection system
An engine protection system and protocol is implemented within an electronic control module. Various engine parameters, such as engine coolant level, coolant temperature, transmission fluid temperature, and engine oil pressure are monitored and compared to limit values ...
04/26/2007
20070084432Internal combustion engine, especially in a motor vehicle, having a fuel filter system
In the case of an internal combustion engine, in particular in a motor vehicle, having a fuel filter system in a fuel line (9′) leading to the internal combustion engine, it that operation of this motor exclusively with fuel of filtered quality is ensured.

...
04/19/2007
20070079792Method for operating an internal combustion engine
A method for operating an internal combustion engine having a fuel-driven combustion motor, making possible a differentiation of faults in the fuel delivery system. Fuel is delivered under pressure to the combustion motor via a fuel delivery system. A pressure decay rat...
04/12/2007
20070079793System and method for avoiding loss of prime in a diesel engine fuel system
A system and method for avoiding loss of prime in a primed fuel system of a diesel engine (10) that propels a motor vehicle. With the engine running, a control system (14) shuts down the engine when a fuel level sender (20) indicates an incipient ri...
04/12/2007
20070074701Startup-time control apparatus and stop-time control apparatus of internal combustion engine, and control methods thereof, and record medium
If it is determined that the present engine startup is a high-temperature startup, immediately fuel injection in concert with start of cranking is prohibited. After a delay time elapses following the start of cranking, or when THC
04/05/2007
20070068480Method for switching off a power tool
The present invention is directed to a method for shutting off a drive motor (12) of a power tool that drives a tool, the drive motor (12) being shut off as a function of a variable threshold value (E1) if the tool jams.

03/29/2007
20070028888Speed control method and system for a motor vehicle
A method for regulating the speed of a motor vehicle includes the steps of sensing an open door, verifying the authorization of a driver, and preventing the flow of fuel to the engine until an authorized driver has securely closed the vehicle doors. The method also incl...
02/08/2007
20070017480Apparatus for controlling engine
An engine has variable-valve mechanisms. An engine control system has an engine control unit for executing automatic stop and start control. At an automatic-stop, the variable-valve mechanisms are controlled to obtain a valve operation characteristic suitable for a rest...
01/25/2007
20060287804Control apparatus for vehicle and method of switching mode of control unit of control apparatus
In an engine of a vehicle provided with a normally-closed solenoid valve in a fresh air induction port of a canister, in the case where a refueling cap is open when the engine is stopped, a control module operates in a usual-power consumption mode, and forces closing of...
12/21/2006
20060266307EMISSION CONTROL WATER INJECTION SYSTEM FOR DIESEL ENGINES
A water injection system (WIS) for diesel engines that reduces NOx, PM and CO2 emissions is provided. Water is injected into the combustion air stream before cylinders in a predetermined proportion to fuel. The present invention utilizes a special water purif...
11/30/2006
20060249117GLOW-IN-THE-DARK USER INTERFACES FOR SMALL INTERNAL COMBUSTION ENGINES
A small internal combustion engine having user interfaces which are formed at least in part of at least one glow-in-the-dark or luminescent material. The user interfaces may include, for example, the carburetor choke and throttle controls, the carburetor primer bulb, th...
11/09/2006
20060225699Emergency stop apparatus and method of use for an internal combustion engine
Apparatus and method for releasing inert gas into the air intake manifold of an operating engine in response to the measured speed of the engine being greater than a preselected magnitude. ...
10/12/2006
20060150945Runaway engine shutdown using compression inhibiting mechanism
An engine that is operating with a combustible intake mixture may begin in to runaway, or in other words, uncontrollably operate at excessive speeds. In order to shutdown a runaway engine, the present disclosure determines whether an engine is operating in a runaway con...
07/13/2006
20060107935KICKBACK PREVENTING CIRCUIT FOR ENGINE
An ignition control circuit and method of operation provides a very simple but highly effective prevention of engine reverse rotation upon starting by prohibiting ignition when a reverse rotation situation arises. ...
05/25/2006
20060054128Apparatus and method for detecting coolant belt slippage
A method and apparatus for detecting slippage of a coolant pump drive belt on an internal combustion engine having a generator driven by the belt. The method comprises monitoring electrical output of the generator and determining that coolant belt slippage has occurred ...
03/16/2006
20060015244Redundant engine shutdown system
An engine shutdown system is provided that includes an engine control module (ECM) (12) having sensors (20, 22, 24, 26, 28, 30, 34, 36) that can activate an engine shutdown sequence. A set of redundant sensors (20′, 22′, 24′, 26′, 28′, 30′, ...
01/19/2006
20060011164VEHICLE FUELING ARRANGEMENT
Methods and apparatus are provided for limiting engine operation during fueling. The apparatus comprises, an engine control for enabling or disabling operation of the engine, one or more sensors for detecting whether (i) a cap is on the vehicle fuel fill-pipe, and (ii) ...
01/19/2006
20050279323Internal combustion engine shut-down for engine having adjustable valves
A method for operating an engine in a vehicle, the engine having at least a cylinder, is described. The method comprises decreasing rotational speed of the engine; and when said engine speed falls in a specified region, adjusting a valve timing of the cylinder to genera...
12/22/2005
20050252493Fuel stop safety switch
In order to fully understand how the Fuel Stop Safety Switch functions, it is essential for a general understanding of the normal function of the fuel injection system. We start with the driver pressing the accelerator pedal, this sends a command through it's throttle p...
11/17/2005
20050235956Ignition control method and ignition control device for two-cycle internal combustion engine
An ignition control device for a two-cycle internal combustion engine that controls an ignition timing for inhibiting detonation while inhibiting an increase in an exhaust pipe temperature, including: map storing means for storing a map that provides a relationship amon...
10/27/2005
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