A method for actuating a spark plug, in which the spark plug is assigned a first ignition coil and second ignition coil. Triggered by a start signal, the primary winding of the first ignition coil is charged, and the primary winding of the second ignition coil is charged with a delay D, for which 0≤D, by supplying a direct current, wherein, while each primary winding, is charged, the respective secondary winding is blocked; the primary current supplied to the primary windings is measured; after a period T, the primary winding of the first ignition coil is discharged, and with the delay D the primary winding of the second ignition coil is discharged; the secondary current flowing through the spark plug is measured; thereafter the primary windings of the first and second ignition coil start to be charged alternately when the secondary current falls below a threshold; the primary windings are discharged alternately when the primary current reaches an upper threshold; the above steps are repeated until the duration of discharge between two electrodes of the spark plug 1 reaches a predefined value Z.
The invention relates to a corona ignition device, comprising a center electrode, an insulator surrounding the center electrode, a coil, which is connected to the center electrode, and a housing pipe, in which the coil is arranged. The housing pipe comprises a substrate layer and a conducting layer arranged radially inwardly of the substrate layer. The conducting layer is made of a material having a greater electrical conductivity than the material of the substrate layer. The conducting layer has a thickness of at least 0.1 mm. Also disclosed is a method for producing a corona ignition device, in which, to produce the housing pipe, an inner pipe is inserted into an outer pipe. The invention also relates to a corona ignition device of which the coil is surrounded by a soft-magnetic shielding.
A combustion chamber pressure gauge for an internal combustion engine, comprising a housing tube, a plunger, which is movable in an axial direction in the housing tube under the effect of combustion chamber pressure against a restoring force, and comprising a seal, which is disposed between the plunger and the housing tube, and comprising a sensor for detecting an axial displacement of the plunger. The sensor is decoupled from thermally induced expansions or contractions of the housing tube, in that the sensor is attached to a carrier, which is suspended in the housing tube, and the plunger is movable relative to the carrier under the effect of combustion chamber pressure.
G01M 15/08 - Testing internal-combustion engines by monitoring pressure in cylinders
F02P 19/02 - Incandescent ignition, e.g. during starting of internal-combustion enginesCombination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
The invention relates to a corona ignition device for igniting fuel in a combustion chamber of an engine by means of a corona discharge, comprising an insulator, which has a continuous channel, a central electrode, which plugs into the channel of the insulator and leads to at least one ignition tip, a glass seal, which seals in the channel a gap between the central electrode and the insulator, and a housing, into which the insulator plugs. In accordance with the invention, the central electrode has a sealing face, which, together with a sealing face of the insulator, forms a seat, and an annular air gap that is open towards the ignition tip is provided in an end portion of the channel, facing the ignition tip, between the central electrode and the insulator.
The invention relates to an electric heating device for heating fluids, comprising at least one heating rod, which has at least one heating element, a housing, which encloses the heating rod and has an inlet opening and an outlet opening, wherein the inlet opening and the outlet opening are interconnected by a winding flow channel. According to the invention, the flow channel forms a helix that has a longitudinal axis, wherein the heating rod is disposed next to the longitudinal axis of the helix and extends through a helically winding wall of the flow channel at a plurality of points.
F24H 1/10 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
A method for actuating a spark plug, in which the spark plug is assigned a first ignition coil and second ignition coil. Triggered by a start signal, the primary winding of the first ignition coil is charged, and the primary winding of the second ignition coil is charged with a delay D, for which 0≦D, by supplying a direct current, wherein, while each primary winding, is charged, the respective secondary winding is blocked; the primary current supplied to the primary windings is measured; after a period T, the primary winding of the first ignition coil is discharged, and with the delay D the primary winding of the second ignition coil is discharged; the secondary current flowing through the spark plug is measured; thereafter the primary windings of the first and second ignition coil start to be charged alternately when the secondary current falls below a threshold; the primary windings are discharged alternately when the primary current reaches an upper threshold; the above steps are repeated until the duration of discharge between two electrodes of the spark plug 1 reaches a predefined value Z.
F02P 3/02 - Other electric spark ignition installations characterised by the type of ignition power generation storage having inductive energy storage, e.g. arrangements of induction coils
What is described is a corona ignition device for igniting fuel in an internal combustion engine by generating a corona discharge, said corona ignition device comprising a housing, an insulator, which is held in the housing, a center electrode, which is held in the insulator, and at least one ignition tip at an and of the center electrode. The housing surrounds an interior, which has a cylindrical portion in which a cylindrical portion of the insulator sits. A widened interior portion adjoins at the end of the cylindrical interior portion remote from the ignition peak. The insulator has a thinner portion in the widened interior portion. The cylindrical portion of the insulator carries an electrically conductive coating, which ends before the thinner portion.
The invention relates to a method for operating a HF ignition system, wherein electrical energy for generating a corona discharge is fed with a voltage pulse into the HF ignition system and a series of measured values of an electrical variable is measured during the voltage pulse, and the measured values are evaluated in order to detect malfunctions. It is provided according to the invention that the measured values are evaluated by determining a characteristic variable for the fluctuation range of the same and comparing the determined characteristic variable with a threshold, or in that by means of a transformation of said series, the frequency spectrum of said series is calculated, and it is checked for at least one frequency range if a threshold is exceeded.
The invention relates to a method for energizing an HF resonant circuit which contains an igniter as a component for igniting a fuel-air mixture in a combustion chamber of an internal combustion engine by means of a corona discharge, wherein the igniter comprises an ignition electrode and an insulator surrounding the ignition electrode, by means of a DC-AC inverter which is excited by successive current pulses which each last while a switch controlled by a control circuit is in its conducting switching state. It is provided according to the invention that the switch is actuated when an instantaneous value of an alternating current or an alternating current voltage excited in the HF resonant circuit falls below a first switching threshold (A−, B−, C−) and the switch s actuated when the instantaneous value of the alternating current or the alternating current voltage excited in the HF resonant circuit exceeds a second switching threshold (A+, B+, C+).
The invention relates to an ignition system for the ignition of fuel in a vehicle engine by means of a corona discharge, comprising a voltage converter which has an input side for connection to a voltage source, and an output side, and an electric oscillating circuit connected to the secondary side for HF excitation of an ignition electrode. According to the invention, by an energy accumulator for charging from the electrical system of a vehicle, the energy accumulator being connected to the input side of the voltage converter to even out the electrical system load. The invention furthermore relates to a method according to the invention for the ignition of fuel.
The invention relates to a glow plug comprising a housing in which an inner conductor is disposed, a metal sleeve which is inserted into the housing, and a ceramic glow pin which is disposed in the metal sleeve, wherein the two ends of the glow pin protrude from the metal sleeve and the rear end of the pin is connected to the inner conductor, and wherein the metal sleeve has a tapering section at the rear end, the section enclosing a tapering section of the glow pin. According to the invention, the glow pin is pressed into the metal sleeve. The invention further relates to a method for connecting a pin made of functional ceramic to a metal sleeve.
The invention relates to a method for igniting a fuel/air mixture in one or more combustion chambers which are delimited by walls that are at ground potential, wherein an electric resonant circuit is excited in which an ignition electrode, which is guided through one of the walls delimiting the combustion chamber in an electrically insulated manner and which extends into the combustion chamber, in cooperation with the walls of the combustion chamber that are at ground potential constitutes a capacitance, and in which the excitation of the resonant circuit is controlled such that a corona discharge igniting the fuel/air mixture is created in the combustion chamber at the ignition electrode. The strength of the AC current flowing in the resonant circuit, the AC voltage exciting the resonant circuit and/or the impedance of the resonant circuit are monitored, and the observations or one or more measurement variables derived therefrom and/or the time curve thereof are used to obtain indicators that characterize the state of the combustion chamber and/or the state of the material mixture present in the combustion chamber and are provided for further processing.
Described is an igniter comprising an arrangement composed of an ignition electrode, an outer conductor coaxially enclosing the ignition electrode, and an electric insulator disposed between the ignition electrode and the outer conductor, via which insulator the ignition electrode and the outer conductor are interconnected, for igniting a fuel/air mixture in a combustion chamber, in particular in an internal combustion engine comprising one or more combustion chambers which are delimited by walls that are at ground potential, by creating a corona discharge in an area surrounding the tip of the ignition electrode. According to the invention, the ratio of the outer diameter d of the ignition electrode and the inner diameter D of the outer conductor is in the range of 0.3 to 0.44.
The invention relates to a method for operating a diesel fuel filter heater comprising at least one PTC element, in a motor vehicle. According to the invention, a glow plug control device is used to generate an effective voltage from a vehicle system voltage using pulse width modulation, which is then applied at the filter heater.
G05B 1/02 - Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing analogue signals
The invention relates to an HF ignition device for igniting a fuel in an internal combustion engine with a corona discharge, comprising an ignition electrode, an insulating body on which the ignition electrode is mounted, the insulating body having a continuous channel in which an inner conductor leading to the ignition electrode is disposed, and an outer conductor which encloses the insulating body and, in combination with a section of the inner conductor, forms a capacitor, wherein the channel is filled with an electrically conductive filling material which encloses at least one conductor piece that forms at least one section of the inner conductor.
An overvoltage protector for an electrical consumer in a motor vehicle, includes an input for connection to the electrical system of a motor vehicle, an output for connection to the electrical consumer to be protected, and a ground terminal which is connected via a line to a branch point between the input and the output, wherein at least one component that blocks below a threshold voltage and conducts above the threshold voltage, and a switch connected in series with the component are located in the line, wherein the switch is controlled by a control circuit that closes the switch when a voltage spike occurs and subsequently reopens it.
The invention relates to a glow plug comprising a housing, a ceramic pencil-type glow element which projects from the housing with a first end and is arranged inside the housing with a second end, a feed line which is arranged in the housing and leads to the pencil-type glow element, and a sleeve-type element which surrounds a section of the pencil-type glow element projecting from the housing. The invention is characterized in that the pencil-type glow element has a section surrounded by the housing which section tapers towards the second end, the pencil-type glow element is encircled by a contact element in the housing, which contact element has a section that narrows towards the second end of the pencil-type glow element, said narrowing section encircling at least a subsection of the tapered section of the pencil-type glow element. The invention further relates to a method for producing said glow plug.
The invention relates to a cylinder pressure sensor, comprising a housing (2) for clamping into a cylinder head. The housing carries a sensor element (4) at a front end. According to the invention, the cylinder pressure sensor (1) has a conical sealing seat (5) at the front end thereof.
An electrically heated spray nozzle comprising a ceramic pin is described, the ceramic pin comprises a flow channel having at least one opening for a fluid to be atomized, wherein the ceramic pin includes a ceramic inner conductor and a ceramic outer conductor, between which a ceramic insulator is disposed.
F23Q 7/22 - Incandescent ignitionIgnition using electrically-produced heat, e.g. lighters for cigarettesElectrically-heated glowing plugs Details
F23Q 7/00 - Incandescent ignitionIgnition using electrically-produced heat, e.g. lighters for cigarettesElectrically-heated glowing plugs
B05B 1/24 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means incorporating means for heating the liquid or other fluent material, e.g. electrically
20.
Method for manufacture of a fuse for a printed circuit board
b) which are wetted by the solder material (1) when the latter fuses, with the result that the solder material (1) flows off from a printed circuit board region (3) between the two metal surfaces (2) and the electrical contact formed by the solder material (1) is interrupted. Furthermore, other invention embodiments relate to a printed circuit board with such a fuse.
H01R 9/00 - Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocksTerminals or binding posts mounted upon a base or in a caseBases therefor
21.
Method for operating a glow plug with the engine running
The invention relates to a method for operating a glow plug with the engine running, wherein an effective voltage is generated from a vehicle electrical system voltage by pulse width modulation, the effective voltage is applied to the glow plug and changed as a function of engine parameters, a target value of the effective voltage that is dependent on the engine parameters and to which the effective voltage is changed is specified, a maximum increment for a change of the actual value of the effective voltage in at least one direction is specified, and a change of the actual value in at least one direction to a target value that deviates from the actual value by more than the maximum increment is carried out in several steps. The invention further relates to a controller which carries out such a method during operation.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
F02P 19/02 - Incandescent ignition, e.g. during starting of internal-combustion enginesCombination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
22.
Apparatus and method for the detection of knocking combustion
A device for directing combustion anomalies of an internal combustion engine, comprising at least one power supply, at least one ion current amplifier, at least one signal filter, at least one ion current signal output, at least one ignition coil actuating electronic system, at least one ignition coil, at least one ion current adapter, and at least one ion current sensor.
G01L 23/22 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquidIndicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion enginesUnits comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
A linear sensor is described with a casing (5), with a pin (7) which contains a permanent magnet (1) and which is mounted in the casing (5) in a linearly displaceable manner against the force of a spring (6), and with a magnetic field sensor (3) attached to said casing (5) for detecting of a displacement of the permanent magnet (1). The invention provides that the pin (7) is controlled by a first cylindrical guide (8) and a second cylindrical guide (8).
G01B 7/14 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
A method for determining a heating characteristic of a glow plug, wherein pulse-width-modulated voltage pulses are applied to the glow plug and an electric variable is measured repeatedly during a voltage pulse with the heating characteristic of the glow plug determined by evaluating the difference of successive measurement results of this variable.
G01R 27/08 - Measuring resistance by measuring both voltage and current
G01R 27/28 - Measuring attenuation, gain, phase shift, or derived characteristics of electric four-pole networks, i.e. two-port networksMeasuring transient response
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
F23Q 7/00 - Incandescent ignitionIgnition using electrically-produced heat, e.g. lighters for cigarettesElectrically-heated glowing plugs
TENNECO EMISSION CONTROL EUROPE HEINRICH GILLET GMBH (Germany)
Inventor
Eller, Martin
Brichzin, Volker
Friedrich, Christian
Inclán, Tobias
Abstract
The invention relates to a system for introducing fuel into the exhaust tract of a motor vehicle, having a fuel vaporizer (1) comprising a housing (11a, 11b, 11c) having an inlet and an outlet (10) and a heating element (12) disposed in the housing (11a), and a pump (2) for pumping fuel into the fuel vaporizer (1) via the inlet. According to the invention, an inlet of the pump (2) is connected to a branch (3) comprising a first branch (6) for feeding fuel and a second branch (7) for feeding air. The invention further relates to a fuel vaporizer for such a system.
F01N 3/025 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
F01N 3/36 - Arrangements for supply of additional fuel
F01N 13/18 - Construction facilitating manufacture, assembly or disassembly
26.
METHOD AND SYSTEM FOR IGNITING A FUEL/AIR MIXTURE OF A COMBUSTION CHAMBER, IN PARTICULAR IN A COMBUSTION ENGINE BY CREATING A CORONA DISCHARGE
The invention relates to a method for igniting a fuel/air mixture in one or more combustion chambers (1) which are delimited by walls (2, 3, 4) that are at ground potential, wherein an electric resonant circuit (7) is excited in which an ignition electrode (5), which is guided through one of the walls (2, 3, 4) delimiting the combustion chamber (1) in an electrically insulated manner and which extends into the combustion chamber (1), in cooperation with the walls (2, 3, 4) of the combustion chamber (1) that are at ground potential constitutes a capacitance, and in which the excitation of the resonant circuit (7) is controlled such that a corona discharge (22) igniting the fuel/air mixture is created in the combustion chamber (1) at the ignition electrode (5). The strength of the AC current flowing in the resonant circuit (7), the AC voltage exciting the resonant circuit (7) and/or the impedance of the resonant circuit (7) are monitored, and the observations or one or more measurement variables derived therefrom and/or the time curve thereof are used to obtain indicators that characterize the state of the combustion chamber (1) and/or the state of the material mixture present in the combustion chamber (1) and are provided for further processing.
The invention relates to a glow plug comprising a housing (X, XII), a ceramic pencil-type glow element (I) which projects from the housing (X, XII) with a first end and is arranged inside the housing (X, XII) with a second end, a feed line (IV) which is arranged in the housing (X, XII) and leads to the pencil-type glow element (I), and a sleeve-type element (V) which surrounds a section of the pencil-type glow element (I) projecting from the housing (X, XII). The invention is characterized in that the pencil-type glow element (I) has a section surrounded by the housing (X, XII) which section tapers towards the second end, the pencil-type glow element (I) is encircled by a contact element (II) in the housing (X, XII), which contact element has a section (4) that narrows towards the second end of the pencil-type glow element (I), said narrowing section encircling at least a subsection of the tapered section of the pencil-type glow element (I). The invention further relates to a method for producing said glow plug.
The invention relates to a method for supplying current to a glow plug in a running diesel engine after reaching the operating temperature thereof by a series of current pulses (1), wherein a piston of the engine carries out a work cycle (3) comprising several strokes and the glow plug is supplied with current as a function of the strokes of the work cycle (3) such that the electric current supplied in each work cycle (3) is mainly supplied at a predetermined, steady stroke of the piston, wherein control time intervals (4) that follow each other are defined, during which up to two switching processes can be triggered by a control device, by which the glow plug can be connected to a voltage source for creating a current pulse (1) or can be disconnected from the voltage source for ending a current pulse (1). According to the invention, the control time intervals (4) have a duration that can be varied by the control device as a function of the rotational speed of the engine.
F02P 19/02 - Incandescent ignition, e.g. during starting of internal-combustion enginesCombination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
F02B 19/00 - Engines characterised by precombustion chambers
F02M 31/00 - Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
The description relates to a vehicle heating system having at least one heat transfer device through which air can flow to be heated and at least one heating device which is attached to the heat transfer device and which each involves at least one heating element arranged between two contact plates, said heating element being held by a positioning frame which is attached to one of the contact plates. The contact plates of the heating devices are each held in a positioning frame to which they are attached.
H05B 3/50 - Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
F24H 3/04 - Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
F24H 9/18 - Arrangement or mounting of grates or heating means
30.
Method for controlling a glow plug in a diesel engine
A method for controlling a glow plug in a diesel engine, in particular in the preheating phase, is described. According to the invention, it is provided that the time gradient of an electrical variable which varies according to the temperature of the glow plug is measured and compared with a threshold value, and when said time gradient exceeds or drops below the threshold value, the electric supply voltage of the glow plug is changed.
F02P 19/02 - Incandescent ignition, e.g. during starting of internal-combustion enginesCombination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
31.
ESTIMATING ENGINE PARAMETERS BASED ON DYNAMIC PRESSURE READINGS
A method and system for estimating engine parameters in a combustion engine gas exchange system based on dynamic pressure readings taken by one or more pressure sensors. According to an exemplary embodiment, the method and system may use an artificial neural network (ANN) to process the dynamic pressure readings and any additional engine conditions that may have been provided.
Disclosed is a method (100) for monitoring and wirelessly signaling data (D, D*) that contains information (DRK) on the pressure states prevailing in tires of wheels (R1, R2, R3, R4) of a vehicle (FZ). In said method, electronic modules that are arranged in the wheels (R1, R2, R3, R4) wirelessly transmit the data (D, D*) to a control device (STG) which is arranged in the vehicle (FZ). No data is transmitted during a first mode (SM) associated with a standstill state of the vehicle (FZ), while the respective electronic module (RE) transmits the data (D, D*) to the control device (STG) in the form of telegrams (DT, DT*) during at least one other mode (FM, BM) associated with another state of the vehicle (FZ). The respective electronic module (RE) at least temporarily transmits n telegrams (DT, DT*) containing the data (D, D*) per time unit to the control device (STG), n being a function of time.
In order to monitor and wirelessly signal data (D, D*) that contains information (DRK) on the pressure states prevailing in tires of wheels of a vehicle, electronic modules (wheel electronics) that are arranged in the wheels wirelessly transmit the data to a control device which is arranged in the vehicle. No data is transmitted during a standstill mode of the vehicle, while the data (D*) is transmitted in the form of telegrams (DT*) during at least one other mode which is preferably associated with a starting mode of the vehicle, several, preferably shortened telegrams (DT*) containing the same data (D*) being at least temporarily and successively transmitted in a frequent manner to the control device. The required data (D*) is thus transmitted to the control device only temporarily but in a concentrated form such that the transmission time is shortened without shortening the operational time as such, while less battery power is used without losing data.
A method is described for monitoring and wirelessly signaling data (D, D*) that contains information (DRK) on the pressure states prevailing in tires of wheels (R1, R2, R3, R4) of a vehicle (FZ). In said method, electronic modules (RE) that are arranged in the wheels (R1, R2, R3, R4) wirelessly transmit the data (D, D*) to a control device (STG) which is arranged in the vehicle (FZ). No data is transmitted during a first mode (SM) associated with a standstill state of the vehicle (FZ), while the respective electronic module (RE) transmits the data (D, D*) to the control device (STG) in the form of telegrams (DT, DT*) during at least one other mode (FM, BM) associated with another state of the vehicle (FZ), the transition from a first mode into at least one other mode being determined by means of at least one acceleration sensor.
The invention relates to a device and a method for determining combustion chamber pressure, comprising at least one glow filament (5), at least one measuring element (4), at least two spring membranes (1, 2) and at least one tubular base (6).
The invention relates to a device for determining the combustion chamber pressure. Said device comprises a tubular base (6), a glow filament (5) which projects from the tubular base (6), and at least one sensor element (4) arranged in the tubular base (6). The invention is characterized in that the sensor element (4) is inserted between a front face of the glow filament (6) and a prestressing element (3) that is welded to the tubular base (6).
The invention relates to a pencil-type glow plug, in particular for a self-igniting internal combustion engine, comprising at least one plug base with at least one essentially bar-shaped heating element (3), which projects on one end from the plug base, and at least one measurement element (7), the heating element (3) and the measurement element (7) being integrally bonded and/or force-locked and/or form-locked.
The invention relates to a device for measuring tire pressure in a pneumatic tire of a vehicle, by means of a sensor on the rim well (8) of a rim (3) receiving a tire valve (2) for the pneumatic tire, tire pressure being applied to the sensor, and a receiver outside the pneumatic tire being assigned to the sensor. An electronics housing or signal housing (1) is attached to the rim well (8) and connected to the tire valve (2), said housing containing a transmitter as sensor for the tire pressure and being connected to the tire valve (2) by a fastening element (6) substantially in the area of the valve foot part (4).
A device for detecting combustion anomalies of an internal combustion engine, comprising at least one power supply (1), at least one ion current amplifier (2), at least one signal filter (3), at least one ion current signal output (4), at least one ignition coil actuating electronic system (5), at least one ignition coil (6), at least one ion current adapter (7), and at least one ion current sensor (8).
G01L 23/22 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquidIndicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion enginesUnits comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
The invention relates to a linear sensor, comprising a sleeve (5), a pin (7), which comprises a permanent magnet (1) and is linearly displaceably supported in the sleeve (5), and a magnetic field sensor (3), which is fastened on the sleeve (5) and used to detect a displacement of the permanent magnet (1), characterized in that the pin (7) is guided by way of a substantially cylindrical guide (8) and has a magnet or pin holder (6).
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01B 7/02 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width, or thickness
The invention relates to a glow plug for diesel engines, having a glow plug body (1) comprising an external thread (2) for threading into a threaded hole of a diesel engine, a heating rod (3) displaceable in the axial direction in the glow plug body (1) and extending out thereof, a pressure measuring device (7) for measuring a combustion chamber pressure acting on the heating rod (3), and a sealing membrane (5) disposed between the glow plug body (1) and the heating rod (3). According to the invention, a ring or sleeve-shaped vibration damper (6) made of perfluoroelastomer is disposed between the glow plug body (1) and the heating rod (3) for damping radial vibrations of the heating rod (3).
The invention relates to a tire pressure control system having a tire valve (1) and having wheel electronics (3) comprising a pressure measuring device (3b) and a transmission device (3c) in a housing (3a), wherein the housing (3a) has two base elements (3d) on a bottom for attaching the same to a rim well (2a) of a wheel, and a contact surface (3e) seated on a valve spud (1a) of the tire valve (1) in the mounted state, said surface having an elongated hole (4), through which the tire valve (1) projects in the mounted state. The invention provides that the contact surface (3e) can be linearly displaced in the direction of the elongated hole (4) on the valve spud (1a) during installation.
A linear sensor is described with a casing (5), with a pin (7) which contains a permanent magnet (1) and which is mounted in the casing (5) in a linearly displaceable manner against the force of a spring (6), and with a magnetic field sensor (3) attached to said casing (5) for detecting of a displacement of the permanent magnet (1). The invention provides that the pin (7) is controlled by a first cylindrical guide (8) and a second cylindrical guide (8).
G01B 7/02 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width, or thickness
G05G 1/38 - Controlling members actuated by foot comprising means to continuously detect pedal position
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
The invention relates to a heating device for heating a fluid, with at least one electric heating element (2) and at least one heat exchanger (1) through which the fluid which is to be heated can flow in order for heat generated by the at least one heating element (2) to be transmitted to the fluid. According to the invention, the heat exchanger (1) is an open-pore foam material.
A device and a method for receiving ceramic heating elements (PTC elements, cold conductors) in a heating device, use an insulating frame and at least one contact plate held by the latter and on which the heating elements can be placed. The device is characterized in that the contact plate is frictionally held in the frame. The method is characterized in that at least on the contact plate side remote from the heating element reception side is moulded on or spread a layer of the following materials: plastic, polymer ceramic, ceramic.
H05B 3/06 - Heater elements structurally combined with coupling elements or with holders
H05B 3/30 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates
H05B 3/50 - Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
patents
