Archive for the ‘Automotive System’ Category
Tuesday, March 22nd, 2011 |
Self-control for maximum output current
A characteristic of the alternator is that the output current flows almost constant when it exceeds a certain speed (self-control operation).
Therefore, when applying a large load ...
Posted in Charging System | No Comments »
Monday, March 21st, 2011 |
Neutral-point voltage
(1)A conventional alternator uses six diodes to rectify three-phase AC (Alternating Current) into DC (Direct Current). The output voltages generated at the neutral point is utilized as a power ...
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Sunday, March 20th, 2011 |
2.Rectification
(1)Mechanism of rectification of alternator
Construction
The actual alternator forms rectification circuit called rectifier as shown in figure 1 to rectify three-phase alternating current using six diodes. The circuit is built in ...
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Saturday, March 19th, 2011 |
Vehicle is equipped with many electrical devices to drive safely and comfortably. The vehicle requires electricity not only while driving but also while it stops.
Therefore, the vehicle has a battery ...
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Friday, March 18th, 2011 |
When the starter to operate, the battery terminal voltage decreases by a large amount of current flow. Even if the battery voltage is normal before the engine starts, the starter ...
Posted in Starter System | No Comments »
Thursday, March 17th, 2011 |
Conventional type
1.Construction differences between the conventional type and the reduction type (figure on the left)
2.Engagement/disengagement of the pinion gear
(1)Magnetic switch
The construction of a magnetic switch of the conventional type is ...
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Wednesday, March 16th, 2011 |
The engagement/disengagement mechanism has two functions.
Engages the pinion gear with the ring gear.
Disengages the pinion gear from the ring gear.
Engagement mechanism
When the end faces of the pinion gear and the ...
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Tuesday, March 15th, 2011 |
<1>While the engine cranks
When the clutch gear (outer) revolves faster than the spline shaft (inner), the clutch rollers are forced to the narrower section, and so the revolving force of ...
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Monday, March 14th, 2011 |
The magnetic switch has two functions.
Motor ON/OFF
Pinion gear engagement and disengagement
Also, the magnetic switch operates in three steps when the starter is operated.
Pull-in
Hold-in
Return
If there is an open circuit in the ...
Posted in Starter System | No Comments »
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