CN1108936C - Vehicle height regulator for independent suspension type air suspension vehicle - Google Patents
Vehicle height regulator for independent suspension type air suspension vehicle Download PDFInfo
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- CN1108936C CN1108936C CN98120646A CN98120646A CN1108936C CN 1108936 C CN1108936 C CN 1108936C CN 98120646 A CN98120646 A CN 98120646A CN 98120646 A CN98120646 A CN 98120646A CN 1108936 C CN1108936 C CN 1108936C
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- overall height
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- air bellow
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Abstract
A height adjusting device for a vehicle according to the invention can prevent the vehicle body from being excessively approached to a road surface at the time of stoppage of a vehicle or from being further inclined to the inclined direction. A chassis frame is supported by right and left air springs provided between the chassis frame and right and left wheels of independent suspension, and a height adjusting valve provided in the air pipeline for connecting the air springs to an air tank supplies or discharges the compressed air inside the air tank to/from the air springs. Right and left height sensors are provided between the chassis frame and wheels, and these height sensors electrically detect the right and left heights. A controller calculates the average value of the right and left heights, and supplies or discharges the compressed air to/from the air springs. Thereby, the height adjusting valve is controlled so that the average value is brought to the reference value of the right and left heights.
Description
The present invention relates to independent suspension type air suspension vehicle, particularly be applicable to the adjusting apparatus for height of vehicle of carryall, this carryall has no stabiliser independent front wheels.
In the prior art, Japan opens horizontal adjustment (the レ ベ リ Application グ) device that clear 60-157511 communique has disclosed a kind of air suspension car in fact, in this device, the left and right sides air bellow that is configured between chassis and the left and right wheels is supporting the chassis, these air bellows are connected with air bellow (エ ア Application Network) by level(l)ing device, and above-mentioned level(l)ing device opens and closes according to the wheel height with respect to the chassis.Level(l)ing device is made of a shared horizontal adjustment valve of left and right sides air bellow, and the overall height of this horizontal adjustment valve detects and is connected with the center that is located at the コ font stabiliser between left and right wheels with bar.In this device, left and right wheels is by independent suspension frame unit suspension vehicle body.
In the level(l)ing device of this structure, because the shared horizontal adjustment valve of left and right sides air bellow, so, can reduce number of parts, the minimizing expense, and, can alleviate the weight of vehicle.
In addition, at the real air suspension control setup that has disclosed automobile in the flat 4-7909 communique of opening of Japan, in this device, by being located at vehicle body and the vehicle body of the supporting of at least one air bellow between each axletree all around, pressurized air is from air bellow air supply spring, between air bellow and air bellow, with each axletree 4 horizontal adjustment valves are installed accordingly, detect all around overall height respectively by 4 overall height sensors.In this device, when automobile was stopping, control mechanism was selected 3 in 4 horizontal adjustment valves according to the testing result of 4 overall height sensors, and carrying out the weight adjusting is that overall height is regulated.When running car, 4 horizontal adjustment valves are all moved, control rises and falls.
In the air suspension of automobile control setup of this structure, when the weight in automobile stops to be regulated, select to regulate matched 3 point modes with this weight; When running car, matched 4 point modes of control that automatically switch to and rise and fall, weight in no matter stopping regulate or travel in fluctuating control, can both carry out conscientiously.
But, drive the air suspension car level(l)ing device that clear 60-157511 communique discloses in fact, be applicable to vehicle with stabiliser, be not suitable for the vehicle that does not have stabiliser.
In addition, open in fact in the air suspension of automobile control setup of flat 4-7909 communique announcement, the foreside bodywork of automobile carries out suspension by independent suspension type air suspension, and when this automobile is parked on the low unfairness ground, height left side, right side, select 3 in 4 horizontal adjustment valves to carry out the weight adjusting, but, when if non-selected valve is the valve on front axle right side, then to detect overall height be high state to the left hand valve of selecteed front axle, discharge pressurized air from the left side air bellow of front axle, might cause vehicle body too near the road surface.In addition, if when non-selected valve is the left hand valve of front axle, it is low state that the right hand valve of then selected front axle detects overall height, and pressurized air is supplied with from the right side air bellow of this front axle, and automobile is tilted towards direction of tilt more.
The adjusting apparatus for height of vehicle that the purpose of this invention is to provide independent suspension type air suspension vehicle is used device of the present invention, even there is not the vehicle of stabiliser, vehicle body can be too near the road surface yet when vehicle stops, and can prevent that the vehicle body adipping from tilting more.
Another object of the present invention provides the adjusting apparatus for height of vehicle of independent suspension type air suspension vehicle, uses device of the present invention, when the lasting schedule time of vehicle above cycle, can prevent that overall height from violating driver's wish and changing.
For achieving the above object, the present invention takes following technical scheme:
The adjusting apparatus for height of vehicle of independent suspension type air suspension vehicle, it has left and right sides overall height sensor 33,33 and controller 34; It is characterized in that having:
Left and right sides air bellow 25,25, it is separately positioned between the left and right wheels 17,17 of chassis 16 and independent suspension, supports above-mentioned chassis 16;
Overall height control cock 32, it is located on the airline 31 that connects above-mentioned left and right sides air bellow 25,25 and air bellow 29, respectively to the left and right air bellow 25,25 for the pressurized air in the emptying gas tanks 29;
Described overall height sensor 33,33 is located between chassis 16 and the left and right wheels 17,17, the overall height about electrically detecting respectively; Described controller 34, by calculating aviation value by left and right sides overall height sensor 33,33 detected described left and right sides overall height, with compressed-air supply or be discharged to left and right sides air bellow 25,25, control overall height control cock 32 thus, make above-mentioned aviation value become a reference value of left and right sides overall height.
Described air suspension car is provided with the air suspension of the non-self of band overall height control cock at rear axle.
As depicted in figs. 1 and 2, the adjusting apparatus for height of vehicle of the independent suspension type air suspension vehicle of being put down in writing has left and right sides air bellow 25,25, overall height control cock 32, left and right sides overall height sensor 33,33 and controller 34;
Left and right sides air bellow 25,25 is separately positioned between the left and right wheels 17,17 of chassis 16 and independent suspension, supports above-mentioned chassis 16;
Overall height control cock 32 is located on the airline 31 that connects above-mentioned left and right sides air bellow 25,25 and air bellow 29, respectively to the left and right air bellow 25,25 for the pressurized air in the emptying gas tanks 29;
In the adjusting apparatus for height of vehicle of the independent suspension type air suspension vehicle of being put down in writing, when about vehicle 10 stops at, having on the unfairness ground of difference of height, controller 34 according to about the detection output valve of overall height sensor 33,33, the overall height aviation value about calculating.During overall height a reference value about this aviation value is lower than, controller 34 switches overall height control cocks 32, and air bellow 25,25 is supplied with pressurized airs to the left and right, when above-mentioned aviation value reaches a reference value, stops compressed-air actuated supply.When above-mentioned aviation value was higher than a reference value of left and right sides overall height, controller 34 switched overall height control cock 32, discharged pressurized air from left and right sides air bellow 25,25, when above-mentioned aviation value reaches a reference value, stopped compressed-air actuated discharge.
Effect of the present invention:
As mentioned above, according to the present invention, the left and right sides air bellow that is arranged between the left and right wheels of chassis and independent suspension is supporting the chassis, the overall height control cock to the left and right air bellow to the row pressure air that contracts, overall height value about left and right sides overall height sensor electrically detects respectively, so, when about vehicle stops at, having on the unfairness ground of difference of height, controller is according to the detection output valve of above-mentioned left and right sides overall height sensor, overall height aviation value about calculating, control overall height control cock makes this aviation value become a reference value of left and right sides overall height.That is, during overall height a reference value about above-mentioned aviation value is lower than, air bellow is supplied with pressurized air to the left and right, when above-mentioned aviation value is higher than a reference value of left and right sides overall height, discharges pressurized air from the air bellow of the left and right sides.Like this, vehicle body can or not tilt towards direction of tilt more excessively near the road surface yet.So, can improve the aesthetic property and the stability that stop at the ground vehicle of unfairness.In addition, when vehicle is carryall, because body forward structure is reduced, so the easy boarding of passenger.
In addition, when the lasting cycle schedule time was above on the arc road of vehicle at grade separation, controller and the above-mentioned overall height control cock of similarly controlling were so overall height can not be violated driver's wish ground and change, and can not cause driver's uncomfortable feeling.
Following with reference to accompanying drawing, describe embodiments of the invention in detail:
Fig. 1 is the air loop of adjusting apparatus for height of vehicle of independent suspension type air suspension vehicle of the embodiment of the invention and the constructional drawing of circuit.
Fig. 2 is the A-A line cross sectional drawing of Fig. 5.
Fig. 3 is the B-B line cross sectional drawing of Fig. 2.
Fig. 4 is the C-C line cross sectional drawing of Fig. 2.
Fig. 5 is this carryall when stopping on the level land, sees the constructional drawing of the draft hitch of its front-wheel from the rear.
Fig. 6 is this carryall when stopping on the rugged ground, the left and right sides, sees the constructional drawing of the draft hitch of its front-wheel from the rear.
Below, with reference to the description of drawings embodiments of the invention.
As shown in Figure 1 to Figure 3, vehicle body 15 front portions of carryall 10 by independent suspension type air suspension 11 suspensions, and overall height is regulated by adjusting apparatus for height of vehicle 12.As Fig. 1, Fig. 2 and shown in Figure 4, vehicle body 15 rear portions of carryall 10 are by rigid air suspension 13 suspensions, and overall height is regulated by level(l)ing device 14.In this specification sheets, chassis 16 is included in the vehicle body 15.Chassis 16 has a pair of curb girder 16a, the 16a that extend along carryall 10 direct of travels, be located at this to curb girder 16a, 16a lower front and be fixed on front side underbeam 16b on this curb girder 16a, the 16b, be located at this to curb girder 16a, 16a lower rear and be fixed on rear side underbeam 16c (Fig. 2 to Fig. 4) on this curb girder 16a, the 16a.Left and right sides front- wheel 17,17 rotatably is installed in respectively along the front end of the left and right sides front axle 18,18 that the overall width direction extends (Fig. 1 to Fig. 3, Fig. 5 and Fig. 6).Left and right sides trailing wheel 19,19 is fixed on the two ends of the back axle 21 that extends along the overall width direction, and back axle 21 is rotatably supporting (Fig. 1, Fig. 2 and Fig. 4) by axle housing 26.The cardinal extremity of left and right sides front axle 18,18 is separately fixed at along on the left and right sides fulcrum 22,22 of vertical direction extension (Fig. 2, Fig. 3, Fig. 5 and Fig. 6).
A pair of independent suspension type air suspension 11 is double V-shaped (ダ Block Le ウ イ Star シ ユ ボ-Application イ プ) posture air suspensions, has left and right sides upper arm 23,23, left and right sides underarm 24,24 and left and right sides air bellow 25,25.The cardinal extremity of left and right sides upper arm 23,23 is articulated in front side underbeam 16b, and front end is articulated in left and right sides fulcrum 22,22,22 respectively.Left and right sides underarm 24,24 is positioned at the below of left and right sides upper arm 23,23, and cardinal extremity is articulated in front side underbeam 16b, and front end is articulated in left and right sides fulcrum 22 respectively.The lower end of left and right sides air bellow 25,25 is fixed on the upper end of left and right sides fulcrum 22,22, and the upper end is individually fixed in following (Fig. 1 to Fig. 3, Fig. 5 and Fig. 6) of front side, left and right sides auxiliary girder 16d.About front side auxiliary girder 16d be positioned at the outer side of a pair of curb girder 16a, 16a, and the direct of travel along carryall 10 is fixed on a pair of front side crossbeam 16e, the 16e (Fig. 2 and Fig. 3) respectively, and this a pair of front side crossbeam 16e, 16e are fixed on the front portion of a pair of curb girder 16a, 16a along the overall width direction.In addition, rigid air suspension 13 have rotatably mounted back axle 21 axle housing 26, set up 27,27 and 4 air bellows 28 of parts (Fig. 1, Fig. 2 and Fig. 4).The summary central authorities that set up parts 27,27 be fixed on axle housing 26 about below, the direct of travel along carryall 10 extends respectively.Air bellow 28 is positioned in these front end and rear ends of setting up parts 27,27 respectively, the upper end be separately fixed at rear side underbeam 16c below.
Adjusting apparatus for height of vehicle 12 has 25,25, overall height control cocks 32 of above-mentioned left and right sides air bellow, left and right sides overall height sensor 33,33 and controller 34 (Fig. 1 to Fig. 3).Overall height control cock 32 is located on the airline 31 that connects left and right sides air bellow 25,25 and air bellow 29, respectively the pressurized air that left and right sides air bellow 25,25 is given in the emptying gas tank 29. Overall height sensor 33,33 be located at front side underbeam 16b and about put the beams in place between 23,23 electrical left and right sides overall height respectively.Controller 34 respectively detects output valve according to left and right sides overall height sensor 33,33, control overall height control cock 32.Overall height control cock 32 is 4 aperture electromagnetic valves with 2 control inputs 32a, 32a.This valve 32 have with one the 1st aperture 32b of air bellow 29 bonded assemblys, respectively with left and right sides air bellow 25,25 bonded assemblys 2 the 2nd aperture 32c, 32c, to the delivery port 32d (Fig. 1) of atmosphere opening.Overall height sensor 33 is contactless potential devices, as shown in Figure 3, has the sensor body 33a that is installed on the underbeam 16b of front side, preceding bar 33b and front rod 33c.The cardinal extremity of preceding bar 33b is articulated on the sensor body 33a.The two ends of front rod 33c are articulated in respectively on the front end and upper arm 23 of bar 33b.When the front end of current bar 33b tilted up, it was the position that is lower than a reference value that this overall height sensor 33 electrically detects overall height, and when the front end of current bar 33b tilted down, it was the high position that this overall height sensor 33 electrically detects overall height.
On carryall 10, be provided with door switch 36, following switch 37 for sleeping in (Network ラ ウ チ Application グ ス イ Star チ) and SP Start Pickup 38 (Fig. 1) that detecting gate opens and closes.The driver descends the ON/OFF operation of switch 37 for sleeping in, when the ON state satisfies predetermined condition, and vehicle body 15 anterior reductions.SP Start Pickup 38 detects the ON state or the OFF state of starting.In addition, on carryall 10, be provided with the rotation direction sensor at the start of detection stopping brake lock or the parking sensor of not start, the car speed sensor that detects the speed of a motor vehicle, detection bearing circle steering angle.About overall height sensor 33,33, door switch 36, each of switch 37 for sleeping in, SP Start Pickup 38, parking sensor, car speed sensor and rotation direction sensor detects output and is connected with the control input of controller 34 down, the control output of controller 34 and overall height control cock 32 2 control and import 32a, 32a and be connected.In controller 34, be provided with memory device 39 (Fig. 1), in this memory device 39, storing the overall height a reference value H of carryall 10 times vehicle body 15 front portions when for sleeping in respectively
01The overall height a reference value H of vehicle body 15 front portions when (Fig. 5) crouching for 10 non-times with carryall
02(Fig. 5).
Level(l)ing device 14 has above-mentioned 4 air bellows 28 and left and right horizontal control cock 41,41 (Fig. 1, Fig. 2 and Fig. 4).Left and right horizontal control cock 41,41 be located at respectively rear side underbeam 16c and about set up between the parts 27,27 pressurized air of giving emptying gas tank 29 respectively to above-mentioned 4 air bellows 28.Horizontal adjustment valve 41 is valves of mechanical control, as shown in Figure 4, has valve body 41a, cardinal extremity and is articulated in back bar 41b, two ends on the valve body 41a and is articulated in the front end of back bar 41b respectively and sets up rear linking rod 41c on the parts 27.When the front end of back bar 41b tilted up, this horizontal adjustment valve 41 made the compressed-air supply of air bellow 29 to air bellow 28, when tilting down, the pressurized air in the air bellow 28 was discharged.
Be to be that example describes with the carryall among this embodiment, but also can be other vehicles such as small passenger car, truck.
Among this embodiment, be provided with 4 aperture overall height control cocks (electromagnetic valve), but two 3 aperture overall height control cocks (electromagnetic valve) with single control input also can be set with 2 control inputs.At this moment, the 1st aperture of two overall height control cocks is connected with air bellow respectively, and the 2nd aperture is connected with left and right sides air bellow respectively, and delivery port is to atmosphere opening.
Below, the action of the adjusting apparatus for height of vehicle of this structure is described.
The driver starts the driving engine of carryall 10, connected time switch 37 for sleeping in after, carryall 10 is travelled.When having arrived parking area etc., carryall 10 is temporarily stopped.Make the action of stopping brake lock and open door, controller 34 is judged because of door switch 36, each detection output of switch 37 for sleeping in, SP Start Pickup 38, parking sensor and car speed sensor down, and carryall is stopping for passenger's boarding, and carryall is crouched for 10 times.But, if at this moment resemble ground shown in Figure 6, left and right sides overall height sensor 33,33 detects vehicle 10 when stopping on the low uneven ground 42 in right side height left side, and controller 34 respectively detects output valve according to left and right sides overall height sensor 33,33, calculates the left and right sides overall height aviation value H of vehicle body 15 front portions.
That is, establishing the overall height that the overall height sensor 33 on right side detects is H
1(Fig. 6), the overall height of overall height sensor 33 detections in left side is H
2(Fig. 6), controller 34 usefulness formula H=(H
1+ H
2Their aviation value H is obtained in)/2.Controller 34 is with the left and right sides overall height a reference value H of this aviation value H vehicle body 15 front portions when being stored in following for sleeping in the memory device 39
01Compare, as H＜H
01The time, control overall height control cock 32, air bellow 25,25 is supplied with pressurized air simultaneously to the left and right, works as H=H
01The time when position shown in the long and two-short dash line (vehicle body 15 front portions be among Fig. 6), stop to the left and right air bellow 25,25 and supply with pressurized airs.As H＞H
01The time, control overall height control cock 32 is discharged pressurized air simultaneously from left and right sides air bellow 25,25, works as H=H
01The time, stop to discharge pressurized air from left and right sides air bellow 25,25.
When carryall 10 wait for red signals etc. do not open a ground stop at above-mentioned same unfairness ground on the time, controller 34 detects output aviation value H and the left and right sides overall height a reference value H that is stored in non-in the memory device 39 vehicle body 15 front portions when crouching down with each of left and right sides overall height sensor 33,33
02Compare, control overall height control cock 32 makes H become H
02
Like this, even have about carryall 10 stops on the unfairness ground 42 of difference of height, vehicle body 15 front portions can be not excessively yet near the road surface or more tilt towards direction of tilt, so, when carryall 10 stops on the unfairness ground 42, can improve the aesthetic property and the stability of this carryall 10.
When on the arc road of carryall 10 at grade separation more than the lasting schedule time during cycle, controller 34 respectively detects output valve according to car speed sensor and rotation direction sensor, judges that carryall 10 positive cycles.At this moment, controller 34 also with about each of overall height sensor 33,33 detect the aviation value H and the said reference value H of output
02Relatively, control overall height control cock 32 makes H become H
02Like this, overall height can not violated driver's wish ground and change, and the driver does not have uncomfortable feeling.
In addition, the state beyond above-mentioned, when for example travelling on bad road conditions, also according to the thrifty survey output aviation value of left and right sides overall height sensor 33,33, air bellow is to the row pressure air that contracts to the left and right.
Claims (1)
1. the adjusting apparatus for height of vehicle of independent suspension type air suspension vehicle, it has left and right sides overall height sensor (33,33) and controller (34), it is characterized in that: also have:
Left and right sides air bellow (25,25), it is separately positioned between the left and right wheels (17,17) of chassis (16) and independent suspension, supports above-mentioned chassis (16);
Overall height control cock (32), it is located on the airline (31) that connects above-mentioned left and right sides air bellow (25,25) and air bellow (29), and air bellow (25,25) supplies the interior pressurized air of emptying gas tank (29) to the left and right respectively;
Described overall height sensor (33,33) is located between chassis (16) and the left and right wheels (17,17), the overall height about electrically detecting respectively;
Described controller (34), by calculating aviation value, with compressed-air supply or be discharged to left and right sides air bellow (25,25), control overall height control cock (32) thus by the detected described left and right sides of left and right sides overall height sensor (33,33) overall height, make above-mentioned aviation value become a reference value of left and right sides overall height
Described air suspension car is provided with the air suspension of the non-self of band overall height control cock at rear axle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP290102/97 | 1997-10-22 | ||
| JP29010297A JPH11123919A (en) | 1997-10-22 | 1997-10-22 | Height adjusting device for independent suspension-type air suspension vehicle |
| JP290102/1997 | 1997-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215002A CN1215002A (en) | 1999-04-28 |
| CN1108936C true CN1108936C (en) | 2003-05-21 |
Family
ID=17751828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98120646A Expired - Fee Related CN1108936C (en) | 1997-10-22 | 1998-10-19 | Vehicle height regulator for independent suspension type air suspension vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH11123919A (en) |
| CN (1) | CN1108936C (en) |
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|---|---|---|---|---|
| KR100398203B1 (en) * | 2000-12-26 | 2003-09-19 | 현대자동차주식회사 | an anti-roll device for air suspension vehicles |
| KR20030092280A (en) * | 2002-05-29 | 2003-12-06 | 현대자동차주식회사 | Under body scratching protection device using active suspension system in vehicle |
| NO322341B1 (en) * | 2002-09-25 | 2006-09-18 | Kongsberg Automotive Asa | System for reading level change in vehicle |
| JP4135147B2 (en) * | 2003-06-05 | 2008-08-20 | いすゞ自動車株式会社 | Vehicle height adjustment device |
| SE525228C2 (en) * | 2003-08-21 | 2004-12-28 | Scania Cv Abp | Air suspension arrangement for vehicle, has driver-operated control switch provided to separately trigger compressor to charge air supply system up to predetermined pressure |
| FR2890900B1 (en) * | 2005-09-22 | 2007-12-14 | Peugeot Citroen Automobiles Sa | SUSPENSION CONTROL DEVICE, VEHICLE EQUIPPED WITH SAME, METHOD OF OBTAINING AND PROGRAM. |
| JP5457641B2 (en) * | 2008-04-15 | 2014-04-02 | 株式会社クボタ | Work vehicle suspension structure |
| EP2363309B1 (en) * | 2010-02-25 | 2013-02-06 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Method for operating a level regulating device on a vehicle |
| JP5620837B2 (en) * | 2011-02-03 | 2014-11-05 | 日野自動車株式会社 | Vehicle air suspension control device |
| NZ613793A (en) * | 2011-02-09 | 2015-05-29 | A C N 166 970 627 Pty Ltd | Vibration dampening device |
| JP5602658B2 (en) * | 2011-02-16 | 2014-10-08 | 日野自動車株式会社 | Vehicle air suspension control device |
| JP5766501B2 (en) * | 2011-05-13 | 2015-08-19 | 日野自動車株式会社 | Vehicle air suspension control device |
| JP5759832B2 (en) * | 2011-08-25 | 2015-08-05 | 日野自動車株式会社 | Vehicle air suspension control device |
| CN102501738B (en) * | 2011-11-07 | 2015-01-28 | 中国煤炭科工集团太原研究院 | Control system for suspension device of mining anti-explosion vehicle |
| JP5890675B2 (en) * | 2011-12-14 | 2016-03-22 | 日野自動車株式会社 | Vehicle air suspension control device |
| KR102310293B1 (en) * | 2014-12-02 | 2021-10-07 | 현대모비스 주식회사 | Air Suspention System Of Vechile |
| CN105857333B (en) * | 2016-05-04 | 2018-04-03 | 中车株洲电力机车有限公司 | The height adjusting method of vehicle with air suspension regulating system |
| CN107116985B (en) * | 2017-05-03 | 2020-03-20 | 北京航天发射技术研究所 | Large-stroke suspension system for multi-axle heavy vehicle |
| CN107599772B (en) * | 2017-09-06 | 2024-05-14 | 大连四达高技术发展有限公司 | AGV logistics robot air suspension control system |
| CN108973899A (en) * | 2018-08-12 | 2018-12-11 | 苏州青科艾莉电子科技有限公司 | A kind of airsuspension system control method and airsuspension system |
| JP2021020479A (en) * | 2019-07-24 | 2021-02-18 | 日野自動車株式会社 | Vehicle-height control device and vehicle-height control method |
| DE102019130087A1 (en) * | 2019-11-07 | 2021-05-12 | Wabco Europe Bvba | Air spring control system and air spring system and vehicle therewith and method therefor |
| JP7240642B2 (en) * | 2020-07-31 | 2023-03-16 | いすゞ自動車株式会社 | vehicle support structure |
| CN112903318B (en) * | 2021-01-27 | 2022-04-05 | 珠海格力电器股份有限公司 | Method, device and system for controlling height of vehicle suspension |
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|---|---|---|---|---|
| US4610462A (en) * | 1983-08-19 | 1986-09-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Electronically controlled suspension system |
| CN85108893A (en) * | 1984-12-07 | 1986-09-10 | 株式会社日立制作所 | The delivery vehicle arrangement for adjusting height |
| US4924393A (en) * | 1987-07-24 | 1990-05-08 | Toyota Jidosha Kabushiki Kaisha | Active suspension for a vehicle controlling body for combination of bounce and pitch based on height sensor signals |
-
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- 1997-10-22 JP JP29010297A patent/JPH11123919A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610462A (en) * | 1983-08-19 | 1986-09-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Electronically controlled suspension system |
| CN85108893A (en) * | 1984-12-07 | 1986-09-10 | 株式会社日立制作所 | The delivery vehicle arrangement for adjusting height |
| US4924393A (en) * | 1987-07-24 | 1990-05-08 | Toyota Jidosha Kabushiki Kaisha | Active suspension for a vehicle controlling body for combination of bounce and pitch based on height sensor signals |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11123919A (en) | 1999-05-11 |
| CN1215002A (en) | 1999-04-28 |
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