The present invention relates to internal combustion engines. More particularly, the present invention relates to an arrangement whereby internal combustion engines can be operated more efficiently at higher compression pressures. Aspects and/or embodiments seek to provide a method and/or apparatus…
The present invention relates to internal combustion engines. More particularly, the present invention relates to an arrangement whereby internal combustion engines can be operated more efficiently at higher compression pressures. Aspects and/or embodiments seek to provide a method and/or apparatus…
The invention relates to a sensor in particular for an automotive vehicle component, this sensor being capable of measuring a physical property of a component: - with a first sensitivity when the physical property is in a high sensitivity range, - with a second sensitivity when the physical…
An inductive non-contact rotation angle sensor used in a motor-driven throttle valve unit is such that a circuit substrate to which a stationary conductor and an electronic circuit are attached is secured to a resin cover without the use of an adhesive. A TPS substrate as the circuit substrate and…
A structure of mounting and connecting for a circuit board used for an inductance type rotation angle sensor of a motor-driven throttle valve device or the like and a connector-side terminal conductor, the structure is to reduce the number of components and the number of assembling steps for the…
In a small vehicle (1) provided with a power unit (5) including an internal combustion engine 2 and a power transmission system (3) and swingably attached to a body frame (4) below a seat (6), the wiring configuration for the throttle body in the small vehicle (1) includes a throttle body (52)…
A fuel supply unit (1) is provided e.g. a carburettor or a low pressure injection system of an internal combustion engine. The fuel supply unit (1) includes a main air passage (3), which has a throttle valve (8, 9) mounted therein and the throttle valve (8, 9) includes a throttle shaft (8)…
During travel of a vehicle, an apparatus acquires vehicle velocity information detected by a vehicle velocity sensor (210) and a reference accelerator opening degree and an estimated gear position from a reference accelerator opening degree table (122) indicative of relationship between vehicle…
The device has two magnetic cuboids (24, 25) arranged in a position at an output shaft and standing in functional connection to a contact less sensor. A surface of the cuboid (24) has an opposite polarity as the surface of the other cuboid, where the distance from the sensor to the shaft is larger…
The invention relates to a throttle position sensor (40) for a throttle having a movable throttle element (24). The sensor (40) includes an elongated electrically resistive strip (12) having a first (14) and second (16) end. The first end (14) of the strip is connected to a first voltage potential…
The vertical axis represents intake pipe pressure in an intake pipe (101), and the horizontal axis, time (or engine stroke). An amount of air leaking and incoming form a throttle valve (102) varies depending on an extent of opening of the throttle valve (102). An intake pipe pressure is measured at…
A rotational position sensor having a compact and simple structure, in which a magnetic surface can be formed to have a more accurate shape, and an electronically controlled throttle device for an internal combustion engine, which employs the rotational position sensor. The rotational position…
A method for the production of a butterfly valve (1) which comprises a valve body (2) housing a valve seat (4) engaged by a butterfly disc (5) keyed on a shaft (6) in order to rotate under the action of an electric motor (3), the shaft (6) being coupled to an inductive position sensor (25) of the…
The invention relates to a sensor and an electronic throttle valve unit using said sensor, wherein at least two arcuate magnetic circuitry members (13, 14) are installed along the rotation axis of the throttle valve shaft (3) as if the arcuate magnet fixed on the throttle valve shaft (3) is…
The invention relates to a compact, noncontact rotary position sensor that accurately detects a rotary position of a rotating object. A magnetism throttling portion (16, 17) is provided in a midway point of a magnetic path. Two magnetic induction elements (21, 22) are disposed adjacently each other…
A throttle opening degree detecting apparatus in accordance with the present invention is structured such that a resin gear (9) is connected to a throttle shaft (4) of a throttle valve (3), a permanent magnet (21) is mounted to a part of the resin gear (9), and an opening degree of the throttle…
A method for calibrating at least one position of a pedal in a motor vehicle, comprising the steps of determining whether actual positions of the pedal (2) are within a first variation range (VR1) for a first calibration (CT1) time when the vehicle is in a first predefined operating condition, and…
In an electronic control type throttle valve apparatus, a throttle valve position sensor B includes a magnet 31 provided at a throttle valve shaft 40 and a hall element which output changes in accordance with the rotational deviation of the magnet 31. The hall element 60 is housed within a sensor…
The mass flowrate of fresh air induced, is varied by controlling the opening of the recycle valve (14) and altering the power to the compressor drive (16, 17, 18). Values (LM10, LM20, LM1n, LM2n) corresponding with the mass of air are measured and stored as a function of valve opening and drive…
An electronic throttle control system is described. The system includes a non-contacting sensor stator integrated into an electronic throttle body and is aligned to the sensor rotor attached to the shaft to properly set sensor air gap by assembly aids or by close fit to the throttle body. A motor…
The electronically commutated motor (3) controller (1) determines the current application pattern depending on a signal from a position sensor (6) for the actuator element (5). The exact current application pulse is determined by example and/or computed and applied to the motor controller. The…
A system 12 and method for determining the closed position of a throttle plate 52 of an internal combustion engine 10 are provided. The system 12 includes a throttle sensor 56, a temperature sensor 70, and an electronic control unit 72 The electronic control unit 72 is configured to select one of a…
A calculator for calculating an opened amount of a throttle valve with high accuracy regardless of voltage fluctuation and noise. The calculator includes a valve sensor (33) for detecting the opened amount of the throttle valve to generate a detection voltage. A memory (24) stores an initial zero…
A position transmitter (15) is proposed which comprises two sensors (16, 18) for detecting the position of an aggregate connected to it, one sensor of which has an essentially linear characteristic, while the other sensor exhibits a step-like progression in a predetermined position range…
In a throttle body there are provided a throttle valve for controlling the flow of intake air in an internal combustion engine, an electrically-driven actuator for actuating the throttle valve, and a reduction gear mechanism for the actuator, and a receptacle portion for receiving the reduction…
A magneto resistive position sensor module (12) has flexible planar connections (14a,14b) to the processing electronics (13).
An air flow sensor for an internal combustion engine is disclosed. An air flow rate measurement meter, a pressure gauge, electronically controlled throttle body, and the microcomputer, etc. are integrated as one body, and the correction of the air flow rate, the control, and the fault diagnosis…
The arrangement has slider elements (10), which are fixed to a shaft (1) with the organ to be adjusted. The slider elements contact stationary resistance tracks (7). The slider elements and the resistance tracks are arranged in a potentiometer space (12). The potentiometer space is formed from a…
If outputs of a couple of Hall ICs (31, 32) constituting a throttle valve position sensor (30) are within an operating range of throttle valve position, and if a relationship between the outputs are within a predetermined error range, both the Hall ICs (31, 32) are determined to be normal. In…
Hall ICs (31, 32) constituting a redundant throttle valve position sensor (30) are used to measure a rotational angle value indicative of a position of a throttle valve (12) and a temperature value indicative of an ambient temperature change, which is continuously monitored, around the Hall ICs…