CN101122273B - Starter and starting relay - Google Patents
Starter and starting relay Download PDFInfo
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- CN101122273B CN101122273B CN2006100409466A CN200610040946A CN101122273B CN 101122273 B CN101122273 B CN 101122273B CN 2006100409466 A CN2006100409466 A CN 2006100409466A CN 200610040946 A CN200610040946 A CN 200610040946A CN 101122273 B CN101122273 B CN 101122273B
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Abstract
A start motor and a start relay, which are used in the vehicle engine start. Independent terminals are arranged at the first end of a pull-in coil and a holding coil in a solenoid switch of the start motor respectively and the coils are lead out from the terminals. A second output terminal is added on the start relay. Inside the relay, a moving contact bridge is connected with the second output terminal via a flexible lead wire. The terminal at the first end of the pull-in coil of the solenoid switch of the start relay is connected with a main contact output terminal of the start relay via a lead wire, while the terminal at the first end of the holding coil of the solenoid switch of the start relay is connected with the second contact output terminal of the start relay via a lead wire. As the pull-in coil and the holding coil are controlled in a separated way, a reverse power supply loop does not exist, and the problem that the electromagnetic force of two coils is counteracted will not happen. Thus, circles of the pull-in coil are greatly reduced to make the working current of the coil increased and larger than the no-load current of a DC motor of the start motor, so the coil will rotate slowly before gears are meshed to ensure the gears are meshed in a reliable way and the problem of gear milling is avoided. The pull-in coil can also be made by winding iron wires to greatly reduce the cost.
Description
Technical field
The present invention relates to starter motor and starter relay that a kind of car engine start is used, especially it is engagement type to belong to electromagnetism, before the engagement of the flywheel ring gear of actuation gear and motor, but the starter motor of direct current generator slow-speed and control the starter relay of this starter motor.
Background technique
The starter motor of existing electromagnetism engagement, form by magnetic switch, direct current generator, transmission engaging mechanism three parts, no matter be fork type or coaxial-type, coil in the magnetic switch, all be made up of a sucking coil and a hold-in winding, the equal turn numbers head end of two coils links together, and a shared wiring terminal is externally drawn, the tail end of sucking coil and the power end of direct current generator also are that the main contact output wiring terminal of magnetic switch is connected the tail end bonding of hold-in winding.
After starter motor is finished the starting task, the outage of solenoid winding wiring terminal, the sucking coil tail end will obtain power supply and oppositely power supply from the magnetic switch contact of on, this moment, sucking coil became series connection with hold-in winding, size of current in two coils equates that direction is opposite, and the electromagnetic force of generation is cancelled out each other and allowed the moving iron core of magnetic switch reset, the contact disconnects, and starter motor is quit work.
The operating current of the sucking coil in this starter relay is less than the no load current of direct current generator, like this after the sucking coil energising, before main contact is connected, also be before actuation gear and flywheel ring gear mesh, the undercurrent that offers direct current generator by sucking coil is in allowing its rotation, actuation gear can not rotate yet, when meshing with flywheel ring gear, the apical tooth phenomenon can appear, in order to diverge apical tooth, so that gear engagement, on parts such as overrunning clutch, be provided with engage spring, when apical tooth takes place when, the pressured engage spring that contracts, make the moving iron core of magnetic switch continue to move, connect until main contact, allow the direct current generator energising rotate, make actuation gear turn over an angle fork apical tooth position, with the flywheel ring gear engagement, this engagement system is called positively engaging under the pressure effect of engage spring.
Positively engaging is used on the following starter motor of 2Kw also comparatively reliable, is used on 2Kw and the above starter motor, and the mill teeth fault causes in regular meeting, and severe patient breaks actuation gear and flywheel ring gear.This is because during positively engaging, actuation gear is pressed on and rolls rotation on the flywheel ring gear, increase rotational resistance with this, reduce rotating speed by force, so that the gear engagement success, because the cause that rolls, use with the passing of time that gear will wear and tear, behind the gear wear, actuation gear can not be pressed on the flywheel ring gear, rotating speed can not reduce, and mill teeth is just inevitable.The shortcoming of this starter motor is, two coil turns in the magnetic switch must equate or be very approaching, otherwise electromagnetic force can not arrive counteracting mutually when finishing starting, can cause to move iron core and do not reset, and the switch main contact does not disconnect, and starter motor just can't quit work.Because of the number of turn of sucking coil and the equal turn numbers of hold-in winding, because the number of turn is many, coil resistance is bigger, the electric current that offers direct current generator is just limited, direct current generator can not slow-speed, can only carry out positively engaging with the method that increases engage spring, and positively engaging unavoidably can cause the mill teeth fault.
Though the method in available increase sucking coil line footpath, improve its operating current, make direct current generator just energy slow-speed before the magnetic switch main contact is connected, thereby allow actuation gear diverge the apical tooth state at any time, when the magnetic switch contacting, gear has meshed the generation of also just having avoided the mill teeth fault, but after winding wire directly increases, must cause many consumptive materials, increase manufacture cost, and increased because of the operating current of sucking coil, but the number of turn does not reduce, and certainly will cause electromagnetic force excessive, can cause actuation gear excessive and damage gear to the impact force of flywheel ring gear again, therefore only with the method that increases sucking coil line footpath, actual uplink is obstructed.
The deceleration type starter motor that Japanese mitsubishi electric Co., Ltd. produces, adopt the number of turn that suitably reduces sucking coil, suitably strengthen the method in sucking coil line footpath, increase its operating current, because of little than the direct-driving type starter motor of the starting current of deceleration type starter motor, therefore this method can make the direct current generator slow-speed, but because the number of turn of sucking coil can not subtract too much, must guarantee when proceed-to-send, after the electromagnetic force that sucking coil and hold-in winding produce offsets, remaining electromagnetic force is not enough to allow the moving iron core of magnetic switch remain on the attracted position, therefore the increase of sucking coil operating current is extremely limited, when using with the passing of time, after rough scar appears in the flywheel ring gear end face, the rotational resistance of actuation gear increases, and direct current generator is just possible can't slow-speed.Chinese patent 02159795 " starter " has adopted the method for making chamfered on the tooth of the sense of rotation of actuation gear one side to this problem, and in the hope of allowing actuation gear slip over the scar place, but this method can only alleviate, and can not tackle the problem at its root.
Chinese patent 98801862 " starter relay of starter motor ", replace sucking coil to provide the slow-speed electric current with a resistance to direct current generator, this magnetic switch is only used a coil, in order to cut off reverse current supply circuit, pair of contacts has been settled in movable contact bridge back at the switch main contact, form a pair of normally-closed contact, the head end of resistance is connected with the head end of coil by this normally-closed contact, a shared wiring terminal is externally drawn, and the tail end of resistance and the power end of direct current generator also are that the main contact output wiring terminal of magnetic switch is connected coil tail end bonding, when solenoid winding is switched on, direct current generator seals in resistance and slow-speed by normally-closed contact, and after the gear engagement, normally-closed contact disconnects, excision resistance, also promptly cut off the reverse current supply circuit of coil, main contact is closed then connects, and direct current generator enters drive condition with all strength.Its shortcoming is after normally-closed contact is set, and it is complicated that structure becomes, and both by the contact of starter relay, by the normally-closed contact of magnetic switch, reliability reduced the slow-speed electric current again.
Chinese patent: 02802354 " automobile starter ", its magnetic switch has two pairs of contacts, switch is interior except sucking coil and hold-in winding, also has an impedance coil, the head end of sucking coil is connected with the head end of hold-in winding, a shared wiring terminal is externally drawn, the tail end of sucking coil and the power end of direct current generator, the output terminal C3 that also is second pair of contact connects, the tail end bonding of hold-in winding, the head end of impedance coil is connected with the output terminal C1 of first pair of contact, and tail end is connected with the power end of direct current generator.
Behind the sucking coil and hold-in winding energising of magnetic switch, first pair of contact connected earlier and made direct current generator seal in impedance coil and slow-speed, and after the gear engagement, second pair of contact just connected, the short circuit impedance coil, and direct current generator drives with all strength.Its shortcoming is to have increased an impedance coil and pair of contact, makes the magnetic switch complex structure, uses two pairs of contacts, and reliability also reduces.
The starter relay that existing control starter motor is used, basic structure all comprise a coil, a moving iron core, a movable contact bridge, two main contacts, and the wiring terminal of externally drawing all is the wiring terminal end to end of coil, with two main contact wiring terminals.After working principle all is coil electricity, iron core is moved, drive the movable contact bridge and contact with two main contacts, constitute conductive path thereby make between two main contacts, behind the coil blackout, moving iron core resets, and the movable contact bridge breaks away from main contact and cuts off circuit.As Chinese patent 98241793 " locomotive starting relay ", 200420030957 " high reliability magnetic force starter relaies ", 200510062969 " relays that touch bridge of being furnished with own elasticity " all are such.Its shortcoming is to have only two contact wiring terminals, and one connects power supply, and one connects load, and during with its control starter motor, the head end of the head end of sucking coil and hold-in winding must link together in the magnetic switch, thereby makes starter motor bring more aforesaid shortcomings.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of operating current of magnetic switch sucking coil that utilizes and makes the direct current generator slow-speed, and cuts off reverse current supply circuit by starter relay, can reduce the starter motor and the starter relay of manufacture cost again.
The present invention independently is provided with wiring terminal to the head end of the head end of sucking coil in the starter relay and hold-in winding externally to draw separately, makes the head end wiring terminal that the head end of a sucking coil wiring terminal and a hold-in winding are arranged on the magnetic switch.On starter relay, increase by second output wiring terminal, with original main contact power-line terminal, main contact output wiring terminal, form starter relay,, connect the movable contact bridge and second output wiring terminal with flexible circuit conductor in starter relay inside with three contact wiring terminals, when the movable contact bridge is connected two main contacts, the main contact and second output wiring terminal are connected, when the movable contact bridge disconnects two main contacts, also made between the main contact and second output wiring terminal to disconnect.With lead the head end wiring terminal of sucking coil on the starter relay is connected with main contact output wiring terminal on the starter relay, with another root lead the head end wiring terminal of hold-in winding on the starter relay is connected with second output wiring terminal on the starter relay, like this when the starter relay coil electricity, when making its movable contact bridge joint lead to main contact, just the sucking coil head end of starter relay and hold-in winding head end are linked together, when the starter relay outage discharges, the sucking coil head end and the hold-in winding head end of starter relay are separated, also just cut off reverse current supply circuit, also just do not had the problem of the electromagnetic force of cancelling out each other between sucking coil and the hold-in winding.Therefore the number of turn of sucking coil can significantly reduce, make its operating current be increased to no load current greater than direct current generator, and the electromagnetic force that produces can not increase, thereby reached before starter driving gear and the engagement of engine flywheel ring gear, the purpose of direct current function slow-speed, guarantee that the engagement of actuation gear and flywheel ring gear is reliable, can not cause the large impact of crossing again to flywheel ring gear, so just can cancel the engage spring on the parts such as overrunning clutch, make the starter motor structure simpler, volume is littler, the mill teeth fault can not take place again.And the sucking coil in the starter relay can be used the iron wire coiling of outsourcing insulation, though the electricity group of iron is greater than copper, but because the number of turn of sucking coil significantly reduces, resistance reduces, after suitably increasing the winding wire footpath, iron coil also can provide enough slow-speed electric currents to direct current generator, thereby can significantly reduce manufacture cost.
Also can be without second output wiring terminal of starter relay, and the start gear of the head end wiring terminal of hold-in winding on the starter relay with key operation on end of lead and starter relay coil and the automobile is connected, promptly allow the key operation start gear control the coil of starter relay and the hold-in winding of starter relay simultaneously, and the main contact of starter relay is only controlled the sucking coil of starter relay, can reach same purpose.This scheme can be used as that starter relay second output wiring terminal damages or the post-rift emergency measure of inner flexible circuit conductor, produces overvoltage when preventing the hold-in winding outage, can be on hold-in winding the reverse parallel connection diode.
Major advantage of the present invention is that existing starter motor is not done big change, manufacturing process can remain unchanged, just increased a solenoid winding wiring terminal, owing to making the starter motor structure simpler without engage spring, volume is littler, the sucking coil available iron filament winding system in the magnetic switch, and cost falls greatly, magnetic switch still is single-contact, and reliability is guaranteed.Great advantage is that the actuation gear and the engagement of engine flywheel ring gear of starter motor is reliable, the mill teeth fault can not take place, and no longer breaks flywheel ring gear.And concerning starter relay, only having increased a flexible circuit conductor and a wiring terminal, it is insignificant that institute increases cost.
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the schematic representation of starter motor of the present invention;
Description of drawings
Fig. 2 is the schematic representation of starter relay of the present invention;
Fig. 3 is the schematic representation of starter motor of the present invention and starter relay cooperating;
Fig. 4 is an alternative plan work schematic representation of the present invention.
Implementation methods
As the starter motor of Fig. 1, still form by magnetic switch, direct current generator, transmission engaging mechanism three parts.Magnetic switch comprises main contact power-line terminal 1, sucking coil 4, hold-in winding 5, moving iron core 6, main contact output wiring terminal 7, movable contact bridge 8, the transmission engaging mechanism comprises shift fork 10, overrunning clutch 11, the head end that it is characterized in that the head end of sucking coil 4 and hold-in winding 5 independently is provided with wiring terminal separately and externally draws, make the head end of sucking coil wiring terminal 2 is arranged on the starter relay, the head end wiring terminal 3 of a hold-in winding.Actual when these two wiring terminals are set, guarantee that wiring terminal can insulate separately, the number of turn of sucking coil 4 is far fewer than hold-in winding 5, and the operating current of sucking coil 4 is greater than the no load current of direct current generator 9, and the iron wire coiling of available tape insulation layer.
Starter relay as Fig. 2, comprise the moving iron core 14 of starter relay coil 13, starter relay, starter relay movable contact bridge 15, starter relay main contact power-line terminal 16, starter relay main contact output wiring terminal 17, second output wiring terminal 18, it is characterized in that being connected with flexible circuit conductor 19 between starter relay movable contact bridge 15 and second output wiring terminal 18.The setting of second output wiring terminal also will guarantee independent insulation, at the inner movable contact bridge 15 that can connect starter relay with flexible circuit conductor 19 of starter relay.
As Fig. 3 is the schematic representation of starter motor of the present invention and starter relay cooperating, the main contact power-line terminal 1 of starter relay wherein, the main contact power-line terminal 16 of starter relay, all use lead to be connected with the positive pole of storage battery 20, the head end wiring terminal 2 usefulness leads of sucking coil are connected with the main contact output wiring terminal 17 of starter relay on the starter relay, the head end wiring terminal 3 usefulness leads of hold-in winding are connected with second output wiring terminal 18 of starter relay on the starter relay, one end of starter relay coil 13 is connected the other end bonding of starter relay coil 13 with lead with key operation start gear 21.
When key operation start gear 21 closed connections, 13 energisings of starter relay coil, the moving iron core 14 of starter relay is moved, driving starter relay movable contact bridge 15 connects starter relay main contact power-line terminal 16 and starter relay main contact output wiring terminal 17, starter relay main contact output wiring terminal 17 is got, simultaneously second output wiring terminal 18 also, and the sucking coil 4 in the starter relay is switched on simultaneously with hold-in winding 5, the electromagnetic attraction that two coils produce moves iron core 6.The operating current of sucking coil 4 is by direct current generator 9, because this electric current is greater than the no load current of direct current generator 9, thereby direct current generator 9 beginning slow-speeds, drive overrunning clutch 11 slow-speeds, moving simultaneously iron core 6 pulling shift forks 10 are pushed overrunning clutch 11 to the engine flywheel ring gear, actuation gear on the overrunning clutch 11 meshes with the engine flywheel ring gear under the slow-speed situation, then movable contact bridge 8 under the promotion of moving iron core 6 with main contact power-line terminal 1, main contact output wiring terminal 7 is connected, direct current generator 9 enters drive condition with all strength, drive engine start, sucking coil 4 in the magnetic switch is by short circuit at this moment, and no current passes through.
Behind the proceed-to-send, key operation start gear 21 disconnects, 13 outages of starter relay coil, starter relay movable contact bridge 15 and starter relay main contact power-line terminal 16, starter relay main contact output wiring terminal 17 disconnects, 18 outages of second output wiring terminal, hold-in winding 5 in the starter relay also cuts off the power supply, magnetic switch movable contact bridge 8 does not also break away from main contact power-line terminal 1 and main contact output wiring terminal 7 at this moment, the tail end of sucking coil 4 is also connected with the positive pole of storage battery 20 like this, but since the starter relay main contact output wiring terminal 17 that is connected with the head end wiring terminal 2 of sucking coil with movable contact bridge 15 disconnections of starter relay, the reverse current supply circuit of sucking coil 4 is cut off, though sucking coil 4 is charged, but still there is not electric current to pass through, therefore the electromagnetic attraction of magnetic switch disappears, and moving iron core 6 resets, movable contact bridge 8 and main contact power-line terminal 1, main contact output wiring terminal 7 disconnects, direct current generator 9 outages, starter motor quits work.
Clearly, as long as cut off the reverse current supply circuit of sucking coil 4 in the starter relay, even the number of turn of sucking coil 4 and hold-in winding 5 differs greatly, starter motor also can orderly closedown.
As Fig. 4 is alternative plan working procedure schematic representation of the present invention, just without second output wiring terminal of starter relay, and with existing starter relay and starter motor cooperating of the present invention, the main contact power-line terminal 1 of starter relay wherein, the main contact power-line terminal 16 of starter relay all uses lead to be connected with the positive pole of storage battery 20, the head end wiring terminal 2 usefulness leads of sucking coil are connected with starter relay main contact output wiring terminal 17 on the starter relay, the head end wiring terminal 3 usefulness leads of hold-in winding are connected reverse parallel connection diode 22 on the hold-in winding 5 in the starter relay with an end and the key operation start gear 21 of starter relay coil 13 on the starter relay.
When key operation start gear 21 closures, starter relay coil 13 is switched on simultaneously with the hold-in winding 5 in the starter relay, the movable contact bridge 15 of starter relay is starter relay main contact power-line terminal 16, starter relay main contact output wiring terminal 17 is connected, sucking coil 4 energisings in the starter relay, its electric current is by direct current generator 9, direct current generator 9 drives overrunning clutch 11 slow-speeds, make the engagement of actuation gear and engine flywheel ring gear, the movable contact bridge 8 of magnetic switch is main contact power-line terminal 1 then, main contact output wiring terminal 7 is connected, and direct current generator 9 drives with all strength.This moment, the sucking coil 4 in the magnetic switch was by short circuit and no current passes through.
Behind the proceed-to-send, key operation start gear 21 disconnects, hold-in winding 5 in starter relay coil 13 and the starter relay cuts off the power supply simultaneously, so the movable contact bridge 15 of starter relay and the main contact power-line terminal 16 of starter relay, the main contact output wiring terminal 17 of starter relay, the movable contact bridge 8 of starter relay almost disconnects simultaneously with main contact power-line terminal 1, main contact output wiring terminal 7, direct current generator 9 outages, starter motor quits work.At this, the head end of sucking coil 4 will could be connected to form reverse current supply circuit with the head end of hold-in winding 5 by the main contact and the key operation start gear 21 of starter relay in the starter relay, and behind proceed-to-send, key operation start gear 21 disconnects at first, and therefore oppositely current supply circuit is cut off already.Reverse parallel connection diode 22 is to produce overvoltage when preventing to cut off the power supply on hold-in winding 5, thereby the contact of protection key switch starting shelves is not by the electrion spark damage.
The present invention is not limited to above-mentioned fork type starter motor, be equally applicable to coaxial drive starter, also be applicable to various deceleration type starter motors,, all belong to the scope of the invention as long as sucking coil head end and hold-in winding head end in the magnetic switch independently are provided with the starter motor that wiring terminal is externally drawn separately.
Claims (2)
1. by magnetic switch, direct current generator, transmission engaging mechanism and starter relay coil, starter relay moves iron core, starter relay movable contact bridge, starter relay main contact power-line terminal, starter relay main contact output wiring terminal, starter motor and starter relay that second output wiring terminal is formed, the head end that it is characterized in that the head end of sucking coil in the magnetic switch and hold-in winding independently is provided with wiring terminal separately and externally draws, the head end of sucking coil is connected with starter relay main contact output wiring terminal, the head end of hold-in winding is connected with second output wiring terminal, is connected with flexible circuit conductor between starter relay movable contact bridge and second output wiring terminal.
2. according to the starter motor and the starter relay of claim 1, it is characterized in that the head end of hold-in winding is connected with an end of starter relay coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100409466A CN101122273B (en) | 2006-08-13 | 2006-08-13 | Starter and starting relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100409466A CN101122273B (en) | 2006-08-13 | 2006-08-13 | Starter and starting relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101122273A CN101122273A (en) | 2008-02-13 |
| CN101122273B true CN101122273B (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100409466A Expired - Fee Related CN101122273B (en) | 2006-08-13 | 2006-08-13 | Starter and starting relay |
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| Country | Link |
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| CN (1) | CN101122273B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8299639B2 (en) * | 2009-04-17 | 2012-10-30 | Denso Corporation | Starter for starting internal combustion engine |
| JP4931983B2 (en) * | 2009-10-27 | 2012-05-16 | 三菱電機株式会社 | Electromagnetic switch device for starter |
| JP5471532B2 (en) * | 2010-02-04 | 2014-04-16 | 株式会社デンソー | Switch device for starter |
| US8362862B2 (en) * | 2010-09-21 | 2013-01-29 | Remy Technologies, Llc | Starter motor assembly with soft start solenoid |
| CN102032085B (en) * | 2010-11-26 | 2013-01-02 | 中国北方车辆研究所 | Vehicle program starting control method |
| CN102777305B (en) * | 2012-06-25 | 2015-05-13 | 北京佩特来电器有限公司 | Auxiliary engaged drive starter |
| CN104091703B (en) * | 2014-07-17 | 2015-12-30 | 安徽江淮汽车股份有限公司 | A kind of main switch for car power source |
| CN104952670A (en) * | 2015-05-28 | 2015-09-30 | 上海法雷奥汽车电器系统有限公司 | Electromagnetic switch and starter |
| CN104929843B (en) * | 2015-07-09 | 2017-04-12 | 福建船政交通职业学院 | Energy-saving type starter control system with self-protection function |
| CN105244232A (en) * | 2015-10-22 | 2016-01-13 | 河南精诚汽车零部件有限公司 | Automotive starting device |
| US11450497B2 (en) * | 2017-11-21 | 2022-09-20 | Mitsubishi Electric Corporation | Electromagnetic switch device for starter |
| CN108675428A (en) * | 2018-05-17 | 2018-10-19 | 彭雄英 | A kind of pickling waste waters processor |
| CN112879194B (en) * | 2021-01-25 | 2022-05-20 | 郑州航空工业管理学院 | Ignition mechanism of extended-range aero-engine of electric helicopter |
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| CN1243598A (en) * | 1997-11-18 | 2000-02-02 | 罗伯特·博施有限公司 | Solenoid switch for starters |
| JP3105060B2 (en) * | 1992-03-05 | 2000-10-30 | 株式会社東芝 | Water level control device |
| JP2002227750A (en) * | 2001-01-31 | 2002-08-14 | Denso Corp | Starter |
| JP2003161240A (en) * | 2001-11-26 | 2003-06-06 | Denso Corp | Starter |
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2006
- 2006-08-13 CN CN2006100409466A patent/CN101122273B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3105060B2 (en) * | 1992-03-05 | 2000-10-30 | 株式会社東芝 | Water level control device |
| CN1243598A (en) * | 1997-11-18 | 2000-02-02 | 罗伯特·博施有限公司 | Solenoid switch for starters |
| JP2002227750A (en) * | 2001-01-31 | 2002-08-14 | Denso Corp | Starter |
| JP2003161240A (en) * | 2001-11-26 | 2003-06-06 | Denso Corp | Starter |
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| CN101122273A (en) | 2008-02-13 |
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