CN105459819B - The dynamic adjusting method of gas pedal dynamic state limit device and combined burning engine fuel Maximum Supply Quantity - Google Patents
The dynamic adjusting method of gas pedal dynamic state limit device and combined burning engine fuel Maximum Supply Quantity Download PDFInfo
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- CN105459819B CN105459819B CN201510975852.7A CN201510975852A CN105459819B CN 105459819 B CN105459819 B CN 105459819B CN 201510975852 A CN201510975852 A CN 201510975852A CN 105459819 B CN105459819 B CN 105459819B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
- B60K2026/024—Adjustable consoles, e.g. for changing position of mounting casings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to the arrangement of motor vehicle fuel feedway, further to the dynamic adjusting method gas pedal dynamic state limit method of gas pedal dynamic state limit device and combined burning engine fuel Maximum Supply Quantity.Gas pedal dynamic state limit device, the device are located at the lift dynamic change of the device below gas pedal；Its lift dynamic variable quantity is determined by the dynamic variable quantity of pedal lower dead center.The dynamic adjusting method for the combined burning engine fuel Maximum Supply Quantity realized on above-mentioned stopping means：The stopping means for setting a lift dynamically to adjust below gas pedal, the stopping means change the original bottom dead center position of gas pedal.Advantages of the present invention：In original vehicle, it is possible to achieve the dynamic limit of combined burning technology engine fuel maximum fuel delivery.
Description
Technical field：
The present invention relates to the arrangement of motor vehicle fuel feedway, further to gas pedal dynamic state limit device and combination
The dynamic adjusting method gas pedal dynamic state limit method of combustion engine fuel Maximum Supply Quantity.
Background technology：
Now, sharply increasing with car ownership, the influence of the exhaust emissions of automobile to atmosphere pollution are on the rise.
In China, motor vehicle emission amount just reaches 4612.1 ten thousand tons within 2012, compared with last year increase by 0.1%, wherein NOx emission
6400000 tons, CO discharges 3471.1 ten thousand tons, and unburned HC discharges 438.2 ten thousand tons, and PM discharges are 62.2 ten thousand tons.Automobile is pollutant row
One of significant contributor put, its CO discharged and HC are more than 70%, NOx and PM more than 90%.In big and medium-sized cities, vehicle exhaust
Pollutant emission has become the major source of atmosphere pollution.With increasingly reducing for petroleum resources and increasingly dashing forward for environmental pollution
Go out, the Alternative Diesel Fuel for carrying out high-efficiency cleaning is the hot subject of internal combustion engine circle research.And internal combustion engine alternative fuel in recent years
Achievement in research is notable, mainly comprising diesel/natural gas combined burning technology, diesel oil/Methanol Compound Combustion Mode technology (hereinafter referred to as group
Combination burning) etc..
Combined burning technology is required for diesel oil to need to limit to improve the substitution rate of alternative fuel come alternative fuel of igniting
The emitted dose of diesel oil.In original diesel oil vehicle, prior art is to install caging bolt at diesel oil oil feed pump either to exist
Caging bolt is installed below in gas pedal.Problem be present in this method：(1) need to transform high-pressure oil pump, the oil pump
Belong to precision apparatus, its original characteristic of fuel delivery is often influenceed after transformation；(2) stopping means needs dismounting high-pressure oil pump online
Under installed, reset adjustment it is all relatively difficult；(3) oil pump is difficult to realize online adjustment in good time once fixed, and combines combustion
Engine is burnt in the diesel oil maximum fuel delivery difference required for different operating modes, it is necessary to which the limitation oil mass of dynamic adjustment in real time, existing
Stopping means can not meet the demand.Therefore, the above method in actual applications due to above mentioned problem presence and by very
It is big to influence.
The content of the invention：
The purpose of the present invention is mainly to realize the dynamic adjustment of gas pedal defined position, realizes that combined burning engine fires
Expect the dynamic adjustment of Maximum Supply Quantity.Technical scheme is as follows：
Gas pedal dynamic state limit device, the device are located at the lift dynamic change of the device below gas pedal；It rises
Journey dynamic variable quantity is determined by the dynamic variable quantity of pedal lower dead center.The combined burning engine realized on above-mentioned stopping means
The dynamic adjusting method of fuel Maximum Supply Quantity：The spacing dress for setting a lift dynamically to adjust below gas pedal
Put, the stopping means changes the original bottom dead center position of gas pedal.
The specific implementation form of gas pedal dynamic state limit device：
Gas pedal dynamic state limit device includes：Base 101, it is fixed on the car bottom plate at position of driver；Lower cooperation
Module 102, on base, moved forward and backward relative to the position of driver；Upper fit module 103, positioned at lower fit module
Top, slided up and down relative to base；Gag lever post, it is connected with upper fit module；The upper fit module and lower fit module
Between coordinated by inclined-plane, by adjusting the horizontal movement stop of lower fit module, in decisions under fit module up and down motion
Stop, and then determine gas pedal lower dead center.The maximum supply of combined burning engine fuel realized on above-mentioned stopping means
The dynamic adjusting method of amount：Before fuel Maximum Supply Quantity of the proportion magnetic valve according to required for control unit determines lower fit module
The stop position moved afterwards；So as to determine stop position that upper fit module moves downward；And then determine under gag lever post
Stop, finally change the original bottom dead center position of gas pedal.
One of preferably, in addition to：Proportion magnetic valve；The proportion magnetic valve passes through connecting rod and lower mating die
Block connects.
Preferably two, upper fit module and lower fit module have the annular knurl 14,15 of horizontal parallel on inclined-plane.
The specific part of above-mentioned base includes：Bottom plate 105, chute, support, through hole；And also include：Cunning in chute
Block；The sliding block is made up of the first connection screw thread 9 and slide plate 10；The lower fit module of connection screw thread connection of sliding block, and then drag
Lower fit module moves forward and backward along the chute of base.
The concrete structure of above-mentioned gag lever post includes：Spacing regulation screw thread 5, regular hexagon fastening position 6, polished rod 7, second connect
Connect screw thread 8；The upper fit module of second connection screw thread connection；
As further technical scheme, in addition to：Back-moving spring 105 below fastening position, when throttle is stepped on
During plate resilience, back-moving spring drives gag lever post, and then drives upper fit module to move up reset；Spacing regulating nut 104, with
Spacing regulation screw thread is used in combination, to adapt to the gas pedal of different automobile types from car bottom plate height；In upper fit module
Notch 13, may be such that fit module under disengaging fit module it is vertical it is spacing after, gas pedal can move to original
Extreme lower position.
The dynamic adjusting method of combined burning engine fuel Maximum Supply Quantity, required hardware environment are：Stepped in throttle
One stopping means is set below plate, and the stopping means includes：Base 101, it is fixed on the car bottom plate at position of driver；Under match somebody with somebody
Matched moulds block 102, on base, moved forward and backward relative to the position of driver；Upper fit module 103, positioned at lower mating die
Above block, slided up and down relative to base；Gag lever post, it is connected with upper fit module；The ratio electricity being connected with lower fit module
Magnet valve；Sliding block in chute；Back-moving spring 105 below gag lever post regular hexagon fastening position；Spacing regulation spiral shell
Cap 104；Notch 13 in upper fit module；The sliding block is made up of the first connection screw thread 9 and slide plate 10；The base bag
Include：Bottom plate, chute, support, through hole；The lower fit module of connection screw thread connection of the sliding block, and then drag lower fit module edge
The chute of base moves forward and backward；The gag lever post includes：Spacing regulation screw thread 5, regular hexagon fastening position 6, polished rod 7, second
Connection screw thread 8；The upper fit module of second connection screw thread connection；By oblique between the upper fit module and lower fit module
Face cooperation, upper fit module and lower fit module have the annular knurl 14,15 of horizontal parallel on inclined-plane；The spacing regulating nut with
Spacing regulation screw thread is used in combination, to adapt to the gas pedal of different automobile types from car bottom plate height；
Method of adjustment is as follows：The particular location of lower fit module is controlled by proportion magnetic valve；ECU is according to current power
The fired state of machine determines the maximum injection quantity of fuel, the i.e. downward bottom dead center position information of gas pedal；Then, ratio electromagnetism
Valve output control signal, lower fit module is driven to move forward and backward；Horizontal displacement is converted into by lower fit module by inclined-plane
The vertical displacement amount of fit module lower dead center；Lower fit module is delivered on spacing regulating nut by gag lever post again, so as to real
The regulation of existing spacing regulating nut bottom dead center position；Limit screw cap directly contacts with gas pedal, and then realizes gas pedal
The regulation of downward bottom dead center position, while realize the dynamic adjustment of fuel Maximum Supply Quantity.
When step on the throttle pedal when, active force is delivered on spacing regulating nut by gas pedal, back-moving spring spring quilt
Compression, spacing regulating nut moves downward together with gag lever post, upper fit module, when upper fit module is in contact with lower fit module
When, gas pedal cannot continue down to step on, and device serves spacing effect；
When gas pedal is unclamped, by the active force of back-moving spring, spacing regulating nut is together with connecting rod, upper mating die
Block moves upwards, and upper fit module and lower fit module are without contacting；
When combined burning pattern breaks down, proportion magnetic valve resets by the active force of itself spring, so as to drive
Lower fit module and slide block movement are to extreme position, and when gas pedal is stepped on, the notch of upper fit module can avoid electromagnetism
Valve and the connecting rod of lower fit module, so as to original extreme lower position of stepping on, position-limiting action is cancelled.
It is of the invention to be relative to the beneficial effect of prior art：
(1) in original vehicle, it is possible to achieve the dynamic limit of combined burning technology engine fuel maximum fuel delivery.
(2) in a preferred approach, the setting of spacing regulating nut so that of the invention is of wide application, and can apply
In the vehicle without height gas pedal.
(3) in a preferred approach, the utilization of proportion magnetic valve and the setting of the notch in upper fit module, bring as
Lower technique effect：When combined burning pattern breaks down, proportion magnetic valve resets by the active force of itself spring, so as to band
Dynamic lower fit module and slide block movement are to extreme position, and when gas pedal is stepped on, the notch of upper fit module can avoid electricity
Magnet valve and the connecting rod of lower fit module, so as to original extreme lower position of stepping on, position-limiting action is cancelled.
(4) the device regulating block uses taper structure, can be compensated and adjusted automatically by changing both mutual alignments
The influence of height is adjusted caused by the surface abrasion of module.
Brief description of the drawings：
Fig. 1 is the assembling schematic diagram of gas pedal dynamic state limit device in embodiment；In figure, 101 represent base, 102 generations
Fit module in the works, 103 represent upper fit module, and 104 represent spacing regulating nut, and 105 represent back-moving spring.
Fig. 2 is the structural representation of base.
Fig. 3 is the overlook direction structural representation of base shown in Fig. 2.
Fig. 4 is the left view direction structure schematic diagram of base shown in Fig. 2.
Fig. 5 is the overlook direction structural representation of base shown in Fig. 2.
Fig. 6 is the structural scheme of mechanism of gag lever post；In figure, 5 represent spacing regulation screw thread, and 6 represent regular hexagon fastening position,
7 represent polished rod, 8 represent the second connection screw thread.
Fig. 7 is the structural representation of sliding block.
Fig. 8 is the main view direction structure schematic diagram of sliding block shown in Fig. 7；In figure, 9 represent the first connection screw thread, and 10 represent cunning
Plate.
Fig. 9 is the structural representation of spacing regulating nut.
Figure 10 is the structural representation of upper fit module；In figure, 14 represent the annular knurl on inclined-plane.
Figure 11 is the main view direction structure schematic diagram of upper fit module shown in Figure 10.
Figure 12 is the left view direction structure schematic diagram of upper fit module shown in Figure 10.
Figure 13 is the overlook direction structural representation of upper fit module shown in Figure 10.
Figure 14 is the structural representation of lower fit module；16 represent with connecting rod coordinate screw, 17 represent with sliding block on
The screw that first connection screw thread coordinates.
Figure 15 is the structural representation in lower fit module main view direction shown in Figure 14；In figure, 15 represent the annular knurl on inclined-plane.
Figure 16 is the structural representation of lower fit module overlook direction shown in Figure 14.
Embodiment：
Embodiment：
With reference to Fig. 1-16, embodiments of the present invention are illustrated.
Gas pedal dynamic state limit device includes：Base 101, it is fixed on the car bottom plate at position of driver；Lower cooperation
Module 102, on base, moved forward and backward relative to the position of driver；Upper fit module 103, positioned at lower fit module
Top, slided up and down relative to base；Gag lever post, it is connected with upper fit module；The ratio electromagnetism being connected with lower fit module
Valve；Sliding block in chute；Back-moving spring 105 below gag lever post regular hexagon fastening position；Spacing regulating nut
104；Notch 13 in upper fit module；
The sliding block is made up of the first connection screw thread 9 and slide plate 10；
The base includes：Bottom plate, chute, support, through hole；
The lower fit module of connection screw thread connection of the sliding block, and then drag lower fit module and moved along before and after the chute of base
It is dynamic；
The gag lever post includes：Spacing regulation screw thread 5, regular hexagon fastening position 6, polished rod 7, the second connection screw thread 8；Institute
State the upper fit module of the second connection screw thread connection；
Coordinated between the upper fit module and lower fit module by inclined-plane, upper fit module and lower fit module are oblique
There is the annular knurl 14,15 of horizontal parallel on face, in order to eliminate when upper fit module moves downward under ramp effect to lower fit module
Lateral thrust, side-thrust is converted into using parallel annular knurl by downward active force, reduces the reaction of comparative example magnetic valve
Power.
The spacing regulating nut is used in combination with spacing regulation screw thread, to adapt to the gas pedal of different automobile types from car
Bottom plate heights；If the height of gas pedal is higher, it can increase between spacing regulating nut and spacing regulation screw thread flat
Pad, so as to realize height adjustable.
Method of adjustment is as follows：
The particular location of lower fit module is controlled by proportion magnetic valve；ECU is according to the fired state of present engine
Determine the maximum injection quantity of fuel, the i.e. downward bottom dead center position information of gas pedal；Then, proportion magnetic valve output control is believed
Number, drive lower fit module to move forward and backward；Horizontal displacement is converted under upper fit module only by lower fit module by inclined-plane
The vertical displacement amount of point；Lower fit module is delivered on spacing regulating nut by gag lever post again, so as to realize spacing regulation spiral shell
The regulation of cap bottom dead center position；Limit screw cap directly contacts with gas pedal, and then realizes the downward lower dead center position of gas pedal
The regulation put, while realize the dynamic adjustment of fuel Maximum Supply Quantity.
When step on the throttle pedal when, active force is delivered on spacing regulating nut by gas pedal, back-moving spring spring quilt
Compression, spacing regulating nut moves downward together with gag lever post, upper fit module, when upper fit module is in contact with lower fit module
When, gas pedal cannot continue down to step on, and device serves spacing effect；
When gas pedal is unclamped, by the active force of back-moving spring, spacing regulating nut is together with connecting rod, upper mating die
Block moves upwards, and upper fit module and lower fit module are without contacting；
When combined burning pattern breaks down, proportion magnetic valve resets by the active force of itself spring, so as to drive
Lower fit module and slide block movement are to extreme position, and when gas pedal is stepped on, the notch of upper fit module can avoid electromagnetism
Valve and the connecting rod of lower fit module, so as to original extreme lower position of stepping on, position-limiting action is cancelled.
Claims (7)
1. gas pedal dynamic state limit device, the device is located at below gas pedal, lift dynamic change, its lift dynamic change
Amount is determined by the dynamic variable quantity of pedal lower dead center, it is characterised in that including：
Base (101), is fixed on the car bottom plate at position of driver；
Lower fit module (102), on base, moves forward and backward relative to the position of driver；
Upper fit module (103), above lower fit module, slides up and down relative to base；
Gag lever post, it is connected with upper fit module；
Coordinated between the upper fit module and lower fit module by inclined-plane, stopped by the horizontal movement for adjusting lower fit module
Point, the lower dead center that fit module moves up and down in decision, and then determine gas pedal lower dead center.
2. gas pedal dynamic state limit device according to claim 1, it is characterised in that also include：Proportion magnetic valve；It is described
Proportion magnetic valve is connected by connecting rod with lower fit module.
3. gas pedal dynamic state limit device according to claim 1, it is characterised in that upper fit module and lower fit module
There is the annular knurl (14,15) of horizontal parallel on inclined-plane.
4. gas pedal dynamic state limit device according to claim 1, it is characterised in that
The base includes：Bottom plate, chute, support, through hole；And also include：
Sliding block in chute；The sliding block is made up of the first connection screw thread (9) and slide plate (10)；The connection screw thread of sliding block connects
Lower fit module is connect, and then drags lower fit module and is moved forward and backward along the chute of base.
5. gas pedal dynamic state limit device according to claim 1, it is characterised in that the gag lever post includes：Spacing tune
Save screw thread (5), regular hexagon fastening position (6), polished rod (7), the second connection screw thread (8)；In the second connection screw thread connection
Fit module；And also include：
Back-moving spring (105) below fastening position, when gas pedal resilience, back-moving spring drives gag lever post, and then
Fit module moves up reset in drive；Spacing regulating nut (104), it is used in combination with spacing regulation screw thread, to adapt to
The gas pedal of different automobile types is from car bottom plate height；
Notch (13) in upper fit module, may be such that fit module under disengaging fit module it is vertical it is spacing after,
Gas pedal can move to original extreme lower position.
6. in the combined burning engine fuel Maximum Supply Quantity realized described in claim 1 on gas pedal dynamic state limit device
Dynamic adjusting method, it is characterised in that：
Fuel Maximum Supply Quantity of the proportion magnetic valve according to required for control unit determines the movable stopping of lower fit module
Position；
So as to determine stop position that upper fit module moves downward；
And then the lower dead center of gag lever post is determined, finally change the original bottom dead center position of gas pedal.
7. the dynamic adjusting method of combined burning engine fuel Maximum Supply Quantity, it is characterised in that required hardware environment is：
One stopping means is set below gas pedal, and the stopping means includes：Base (101), the car being fixed at position of driver
On bottom plate；Lower fit module (102), on base, moves forward and backward relative to the position of driver；Upper fit module
(103), above lower fit module, slided up and down relative to base；Gag lever post, it is connected with upper fit module；Match somebody with somebody with
The proportion magnetic valve of matched moulds block connection；Sliding block in chute；Reset below gag lever post regular hexagon fastening position
Spring (105)；Spacing regulating nut (104)；Notch (13) in upper fit module；
The sliding block is made up of the first connection screw thread (9) and slide plate (10)；
The base includes：Bottom plate, chute, support, through hole；
The lower fit module of connection screw thread connection of the sliding block, and then drag lower fit module and moved forward and backward along the chute of base；
The gag lever post includes：Spacing regulation screw thread (5), regular hexagon fastening position (6), polished rod (7), the second connection screw thread
(8)；The upper fit module of second connection screw thread connection；
Coordinated between the upper fit module and lower fit module by inclined-plane, upper fit module and lower fit module are on inclined-plane
There is the annular knurl (14,15) of horizontal parallel；
The spacing regulating nut is used in combination with spacing regulation screw thread, to adapt to the gas pedal of different automobile types from car bottom plate
Highly；
Method of adjustment is as follows：
The particular location of lower fit module is controlled by proportion magnetic valve；ECU determines according to the fired state of present engine
The downward bottom dead center position information of the maximum injection quantity of fuel, i.e. gas pedal；Then, proportion magnetic valve output control signal,
The lower fit module of driving moves forward and backward；Horizontal displacement is converted into upper fit module lower dead center by lower fit module by inclined-plane
Vertical displacement amount；Lower fit module is delivered on spacing regulating nut by gag lever post again, so as to realize under spacing regulating nut
The regulation of dead-centre position；Limit screw cap directly contacts with gas pedal, and then realizes the downward bottom dead center position of gas pedal
Regulation, while realize the dynamic adjustment of fuel Maximum Supply Quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975852.7A CN105459819B (en) | 2015-12-21 | 2015-12-21 | The dynamic adjusting method of gas pedal dynamic state limit device and combined burning engine fuel Maximum Supply Quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975852.7A CN105459819B (en) | 2015-12-21 | 2015-12-21 | The dynamic adjusting method of gas pedal dynamic state limit device and combined burning engine fuel Maximum Supply Quantity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105459819A CN105459819A (en) | 2016-04-06 |
| CN105459819B true CN105459819B (en) | 2017-12-29 |
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ID=55598140
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510975852.7A Active CN105459819B (en) | 2015-12-21 | 2015-12-21 | The dynamic adjusting method of gas pedal dynamic state limit device and combined burning engine fuel Maximum Supply Quantity |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567663A2 (en) * | 1983-01-21 | 1986-01-17 | Fredj Roger | Speed stabiliser by accelerator limiter by variable stop. |
| JPH09175221A (en) * | 1995-12-28 | 1997-07-08 | Suzuki Motor Corp | Accelerator pedal operation limiting device |
| CN103352762A (en) * | 2013-07-25 | 2013-10-16 | 周继光 | Throttle stroke regulation device of compression-ignition-type mixed fuel engine |
| CN104129302A (en) * | 2013-11-22 | 2014-11-05 | 成都科创佳思科技有限公司 | Accelerator control device for engineering vehicle |
| CN204172698U (en) * | 2014-08-28 | 2015-02-25 | 惠州学院 | Accelerator control device and automobile |
| CN204249824U (en) * | 2014-12-01 | 2015-04-08 | 王伟 | A kind of thrust type is ridden |
| CN204415161U (en) * | 2014-12-31 | 2015-06-24 | 陈欣 | Limiting vehicle speed safe-guard system |
-
2015
- 2015-12-21 CN CN201510975852.7A patent/CN105459819B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567663A2 (en) * | 1983-01-21 | 1986-01-17 | Fredj Roger | Speed stabiliser by accelerator limiter by variable stop. |
| JPH09175221A (en) * | 1995-12-28 | 1997-07-08 | Suzuki Motor Corp | Accelerator pedal operation limiting device |
| CN103352762A (en) * | 2013-07-25 | 2013-10-16 | 周继光 | Throttle stroke regulation device of compression-ignition-type mixed fuel engine |
| CN104129302A (en) * | 2013-11-22 | 2014-11-05 | 成都科创佳思科技有限公司 | Accelerator control device for engineering vehicle |
| CN204172698U (en) * | 2014-08-28 | 2015-02-25 | 惠州学院 | Accelerator control device and automobile |
| CN204249824U (en) * | 2014-12-01 | 2015-04-08 | 王伟 | A kind of thrust type is ridden |
| CN204415161U (en) * | 2014-12-31 | 2015-06-24 | 陈欣 | Limiting vehicle speed safe-guard system |
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| Publication number | Publication date |
|---|---|
| CN105459819A (en) | 2016-04-06 |
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