engine starter

An engine starting and engine technology, which is applied in the directions of engine starting, power unit, and engine motor starting, etc., can solve the problems of high cost and complicated engine starting device, achieve simple structure, low cost, and ensure engine startability. Effect

Active Publication Date: 2020-09-18
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Therefore, it is necessary to determine the method of starting the control before the engine is restarted, and a sensor for detecting water temperature, etc. as a determination means is required, and there is a problem that the engine starting device is complicated and expensive.

Method used

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Embodiment approach 1

[0025] figure 1 It is a block diagram showing a schematic configuration of a vehicle equipped with the engine starting device according to Embodiment 1 of the present invention. exist figure 1 Among them, the engine 1 includes a function of judging engine stop or engine restart in automatic engine stop and restart control, and the engine 1 is controlled by an engine control device 5 for drive control. Hereinafter, the engine control device 5 is referred to as an engine ECU 5 .

[0026] A generator motor 2 is always connected to a crankshaft 11 of the engine 1 via a belt 12 . In addition, the pinion gear 31 serving as an output portion of the rotational torque of the starter 3 is detachably provided on the ring gear 13 integrated with the crankshaft 11 , and transmits rotational torque.

[0027] A power conversion device 21 is connected to the generator motor 2 . Furthermore, the power conversion device 21 is connected to the storage battery 4 and a generator motor control ...

Embodiment approach 2

[0072]In Embodiment 2 of the present invention, a method of using a battery in a vehicle equipped with a plurality of batteries will be described.

[0073] In the above-mentioned first embodiment, the power supply of the vehicle, that is, the battery 4 has been described as one battery, but the present invention is not limited thereto, and may be constituted by a plurality of batteries. In addition, independent batteries may be connected to the generator motor 2 and the starter 3, respectively, and a battery for electric equipment mounted on the vehicle may be provided separately from the battery for starting. In addition, for example, batteries of different voltage systems may be provided such that the operating voltage of the generator motor 2 is 24V and the operating voltage of the starter 3 is 12V, and the structure of the batteries is not limited.

[0074] Thereby, when the engine 1 is not in the operating state within the set time from the start of the engine 1, the gene...

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PUM

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Abstract

An engine starting device comprising: a generator motor connected to a crankshaft of an engine; a starter configured to engage a pinion gear with a ring gear provided on the crankshaft when the engine is started; The judging section judges whether the engine has been started, and when the engine starts to start, the engine is cranked by any one of the generator motor and the starter, and when a set time has elapsed from the start of the engine, it is judged by the judging section that it is When the engine is not started, the engine is combined cranked by both the generator motor and the starter.

Description

technical field [0001] The present invention relates to an engine starting device. The engine starting device includes: a generator motor connected to the crankshaft of the engine; The starting device starts at least one of the generator motor and the starter to crank the engine. Background technique [0002] Conventionally, there is known a vehicle that performs automatic engine stop and restart control. The vehicle is equipped with a generator motor and a starter that crank the engine when the engine is started. In the above-mentioned engine automatic stop and restart control, When the engine stop condition is met, the engine is automatically stopped, and then, when the restart condition is met, the engine is restarted. [0003] In the above-mentioned vehicle, the generator motor and the starter are separately used, or the generator motor and the starter are used in combination, depending on the situation, to start the engine during cranking when the engine is started. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02N11/04F02N11/08B60L50/16
CPCF02N11/04F02N11/08F02N11/0848F02N11/0862B60K6/485B60L50/16F02N11/006F02D41/062F02D41/064F02N11/0818B60L50/15B60L58/21B60L58/20B60K6/26B60K2006/268F02N2300/2002F02N15/06Y02T10/40Y02T10/62Y02T10/70
Inventor 金田直人今村直树龟井光一郎小田原一浩
Owner MITSUBISHI ELECTRIC CORP
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