Glow plug controller

Patent

Glow plug controller

- 24 Feb 1984

5

TL;DR: In this article, a simple circuit constitution was proposed to enable highly precise generation of a 1/VB pulse, and allowed the electric energy fed by the glow plug to be controlled to a desired value.

Abstract: PURPOSE:To enable a blow plug to be normally controlled to a constant temperature, with a small loss of power even though the battery voltage varies, by employing the glow plug having no temperature coefficient CONSTITUTION:With a starting switch 2 closed, a timer 3 provides an output signal only for a specified time in response to voltage VB of a battery 1 During said specified time, a power transistor 7 is turned ON by a theoretical circuit 5 and a driving circuit 6 to force a glow plug 9 having little temperature coefficient to generate heat The time is set to a time for which the glow plug 9 is heated up to 900 degC During operation of the timer 3, a pulse signal from a 1/VB pulse generating circuit 4 is brought to a stop After the timer 3 is turned OFF, the glow plug 9 is controlled by means of the duty pulse of the 1/VB pulse generating circuit 4 The simple circuit constitution as described above enables highly precise generation of a 1/VB pulse, and permits the electric energy fed by the glow plug to be controlled to a desired value

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Citations

Patent

System and method to control energy supply to an electrically heated zone

Martin Reinold, +1 more

- 27 Aug 1985

TL;DR: In this article, the duty cycle or ON/OFF duration of a switch serially connected between the glow plug and a supply voltage source, for example a vehicular battery (UBatt), is controlled by an operational amplifier.

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33

Patent

Current-carrying controller for ceramic glow plug

Yoshida Hideji

- 06 Jan 1992

TL;DR: In this article, a current-carrying controller is connected to a field effect transistor (FET) in series, and a temperature control circuit is used to control the duty of a control signal.

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2

Patent

Timer circuit for controlling glow plug for diesel engine

Yamano Shinichi

- 12 Oct 1984

TL;DR: In this article, the authors proposed a method to prevent a potential from being dropped to zero or over-risen upon short-circuiting or opening a sensor and contrive safety as well as the improvement of efficiency of the glow plug by a method wherein the impedance of a water temperature sensor is converted into a voltage and an output, converted from the voltage into a frequency, is divided by a counter.

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2

Patent

Method for controlling a plurality of glow plugs in a combustion engine and engine control unit

Moritz Rainer

- 05 Aug 2009

TL;DR: In this paper, the authors present a method for controlling temperature of two heater plugs in two regulating devices depending on an operating parameter of an internal combustion engine such that permanent optimal combustion characteristics of the internal combustion engines are provided.

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Patent

Method of driving glow plug for self-ignition type internal combustion engine

Burigitsute Aanoruto, +3 more

- 27 Mar 1989

TL;DR: In this paper, data languages are transmitted from an engine control device MS to an interface 1 in series to drive a grow plug, and a driver-circuit 2 transmitted with data languages through a microprocessor MP practices individual grow plug process by operating two relaies R1, R2.

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