CN1314889C - Engine suction rate controller - Google Patents
Engine suction rate controller Download PDFInfo
- Publication number
- CN1314889C CN1314889C CNB028169891A CN02816989A CN1314889C CN 1314889 C CN1314889 C CN 1314889C CN B028169891 A CNB028169891 A CN B028169891A CN 02816989 A CN02816989 A CN 02816989A CN 1314889 C CN1314889 C CN 1314889C
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- Prior art keywords
- sensor
- motor
- lid
- intake
- control unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/105—Details of the valve housing having a throttle position sensor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/1055—Details of the valve housing having a fluid by-pass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/106—Sealing of the valve shaft in the housing, e.g. details of the bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/107—Manufacturing or mounting details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1075—Materials, e.g. composites
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
In an intake air-amount control system for an engine, a coupler (80) is integrally formed on a control block (28) coupled to a throttle body (17), and a bypass valve (35), a sensor (64, 73, 76) and an actuator (39) are mounted in the control block (28). An electronic control unit (84), is placed on an outer end face of the control block (28), and a synthetic resin (103) is potted into a cap (101) mounted to the control block (28) to cover the electronic control unit (84), so that the electronic control unit (84) is wrapped, and a mounted portion of the cap (101) is sealed. Thus, the inspection of the functions of the bypass control devices can be carried out before assembling of them to the throttle body, leading to an enhancement in productivity.
Description
Technical field
The present invention relates to the improvement of the intake-air quantity control apparatus of motor, this intake-air quantity control apparatus has: have the throttle body that is arranged on the closure in the gas-entered passageway that is connected with the suction port of motor; Walk around the bypass passageways that closure is connected with gas-entered passageway; Control the bypass valve of the aperture of this bypass passageways; And the sensor of the operating condition of detection of engine; Drive the actuator of bypass valve open and close according to the signal of this sensor output.
Background technique
The intake-air quantity control apparatus of this motor is known, for example, has opened in the flat 9-303164 communique the patent documentation spy of Japan and discloses.
In the intake-air quantity control apparatus of in the past motor, owing to all be not installed on the throttle body by-pass governing system of bypass valve, actuator and sensor etc., just do not finish the by-pass governing system, if and do not finish the assembling of whole device, just can not carry out the inspection of by-pass governing systemic-function.If this inspection is defective, just have to bypass valve and actuator, and sensor etc. disassembles from throttle body, check that again the operation of having to bother has very much become the obstacle of boosting productivity after changing other parts.
Summary of the invention
The present invention In view of the foregoing puts forward, and its objective is the intake-air quantity control apparatus that a kind of motor is provided, and it can just be checked the function of by-pass governing system before the assembling throttle body, thereby can boost productivity.
For achieving the above object, the intake-air quantity control apparatus of motor of the present invention has following parts: have the throttle body that is arranged on the closure in the gas-entered passageway that is connected with the suction port of motor; Walk around the bypass passageways that closure is connected with gas-entered passageway; Control the bypass valve of the aperture of this bypass passageways; And the sensor of the operating condition of detection of engine; Signal driving bypass valve according to these sensor outputs is opened, the actuator that closes, it first is characterised in that, connector that combines with aerial lug and the control gear that is connected on the throttle body are made an integral body, and bypass valve, sensor and actuator are installed in wherein, on the exterior edge face of this control gear, be arranged on electric on respectively with actuator, the Electronic Control Unit that connects between sensor and the connector, covering this Electronic Control Unit and be installed in the inner cast of lid synthetic resin on the Electronic Control Unit, so as when to surround Electronic Control Unit the mounting portion of sealing lid.
According to this first feature, as long as bypass valve, sensor and actuator are installed in the control gear, separate with throttle body, just can be by suitably power supply being connected on the connector that becomes one with control gear, to actuator and bypass valve, sensor, the function of Electronic Control Unit etc. is checked.Therefore, owing to only the product of passed examination is installed on the throttle body, assembling operation just can be not futile, helps to boost productivity.
In addition; by means of the resin that is cast in the lid; can protect Electronic Control Unit not to be subjected to the infringement of rainwater, dust and vibration; particularly; use is to the measure that mounting portion that control gear gets on seals that is installed to of lid; when obtaining waterproof and dustproof effect, can also make the outward appearance of control gear more attractive in appearance because of lid has been arranged.
And, by means of the bonding force of institute's casting resin, can also strengthen the combination force of lid and control gear.
In addition, the present invention can also increase by second feature on first feature, that is, allow inside pack into Electronic Control Unit and tightly be entrenched on the outer end of control gear lid down, synthetic resin is poured into lid inside, be poured near its upper end always.
According to this second feature, just can protect Electronic Control Unit, and can carry out the combination of lid expeditiously with the minimal casting resin of necessity.
Also have, the present invention can also increase by the 3rd feature on second feature, that is, the sprue gate of synthetic resin is arranged on the position of close lid of control gear.
According to this 3rd feature, enter the casting condition of the synthetic resin in the lid from the sprue gate owing to can detect by an unaided eye, so can adjust the fluence of watering of synthetic resin at an easy rate.
Also have, the present invention can also increase by the 4th feature on the 3rd feature, that is, the terminal of sensor directly is connected on the base plate that is wrapped in the Electronic Control Unit in the synthetic resin.
According to this 4th feature, owing to the attachment portion on the base plate that is connected Electronic Control Unit that is wrapped in sensor terminal with the resin of pouring into a mould, so can improve the anti-vibration performance of this attachment portion.
Also have, the present invention can also increase by the 5th feature again on any one feature of first to the 4th feature, that is, lid is made with aluminium alloy plate.
According to this 5th feature, owing to do raw material with aluminium alloy plate, so can make the good lid of outward appearance with punching press at an easy rate.
With reference in the accompanying drawing detailed description of preferred embodiments, will be well understood to above and other objects of the present invention, feature and advantage below.
Description of drawings
Fig. 1 is the side view with motorcycle of intake-air quantity control apparatus of the present invention;
Fig. 2 is this a part of enlarged view of label 2 indications among Fig. 1;
Fig. 3 is the sectional view along the 3-3 line among Fig. 2;
Fig. 4 is the exploded perspective view of above-mentioned intake-air quantity control apparatus;
Fig. 5 is the side view of above-mentioned intake-air quantity control apparatus;
Fig. 6 be along the arrow among Fig. 56 to view;
Fig. 7 be along the arrow among Fig. 57 to view;
Fig. 8 be along the arrow among Fig. 78 to view;
Fig. 9 is the sectional view along the 9-9 line among Fig. 7;
Figure 10 is the sectional view along the 10-10 line among Fig. 5;
Figure 11 is the sectional view along the 11-11 line among Fig. 5;
Figure 12 is the sectional view along the 12-12 line among Fig. 5;
Figure 13 is the enlarged view of the bypass valve peripheral part among Figure 12;
Figure 14 is the sectional view along the 14-14 line among Fig. 5;
Figure 15 is the amplification profile diagram along the 15-15 line among Figure 13;
Figure 16 A is the side view of seeing from measuring tank one side of bypass valve;
Figure 16 B is the side view of seeing from keyway one side of bypass valve;
Figure 17 is this a part of amplification profile diagram of label 17 indications among Figure 12.
Embodiment
Below, with reference to the description of drawings embodiments of the invention.
At first, in Fig. 1～Fig. 3, motorcycle 1 is a kind of scooter, and it is provided with power plant 4 what tandem vehicle seat 2 double as lids were used under the trunk 3 that fore-and-aft direction is long.Power plant 4 are to be made of motor 5 and stepless speed variator 8 that cylinder block 6 leans forward widely, this stepless speed variator fuses with gear box 10 from a side direction rear extension of the crankcase 9 of motor 5, and trailing wheel 16 as driving wheel with pivot suspension on the rearward end of this gear box 10.
On the vehicle frame 11 of motorcycle 1, on the attachment portion of the rearward end up of pairing left and right down tube 11b, 11b that upper frame 11a, the 11a that connects supporting trunk 3 in pairing left and right and the past pipe extend out, be provided with upper bracket 12,12, on the other hand, on the crankcase 9 of motor 5, formed left and right a pair of lower tray 13,13, the intermediate portion of the motor suspension rod 14 of the crank-like that lower tray 13,13 then becomes can shake with two overhang brackets is bearing on the upper bracket 12,12, can shake.Like this, power plant 4 are bearing on the vehicle frame 11, can fluctuate.Between rear portion vehicle frame 11,11 and gear box 10, also installed and to have cushioned this rear shock absorber that fluctuates 26.
On the cylinder head 7 that is combined in cylinder block 6 front ends, formed the suction port 7a of upstream extremity towards car body rear opening.Gas-entered passageway 17a and the throttle body 17 that this suction port 7a is communicated with, be installed on the cylinder head 7 by connecting tube 15.At this moment, throttle body 17 is arranged between trunk 3 and the motor 5, makes gas-entered passageway 17a approximate horizontal ground on fore-and-aft direction extend (leaning forward a little in the accompanying drawings).Therefore, throttle body 17 is horizontal types.Air-strainer 19 is connected the rear end of this throttle body 17 by the suction tude 18 of passing motor suspension rod 14 tops.
Towards the downstream of suction port 7a, the Fuelinjection nozzle 20 of burner oil is installed on the cylinder head 7.
Below, describe air suction capacity controller of the present invention in detail with above-mentioned throttle body 17.
As Fig. 4～shown in Figure 8, in the gas-entered passageway 17a of throttle body 17, be provided with the bultterflythrottle 21 of this passage of switch, the valve shaft 22 that supports this closure is bearing on the throttle body 17 left and right twice sidewalls, and cross-section in the horizontal direction this gas-entered passageway 17a can rotate.Protrusion at this root valve shaft 22 is being fixed closure drum 23 on an end of throttle body 17 1 sides.Closure steel cable 24 and retracting spring 25 that closure 21 is pressed to closing direction is connected on this closure drum.The throttle operation parts of not representing among the closure steel cable 24 usefulness figure draw, so that closure 21 is open.
On the outer side wall of the throttle body 17 that the other end of valve shaft 22 protrudes, formed and become one with it, 17a is parallel with gas-entered passageway, with the adpting flange 27 of valve shaft 22 quadratures.Make respectively with throttle body 17, the control gear of being made by synthetic resin 28 is with some bolts 29,29 ... be connected on the above-mentioned adpting flange 27, can loading, unloading.Between above-mentioned throttle body 17 and control gear 28, formed and walked around closure 21, the bypass passageways 30 that is communicated with gas-entered passageway 17a.
Know expression as Fig. 4, Fig. 9 and Figure 13, bypass passageways 30 is made of following each several part: the side in closure 21 upstreams of gas-entered passageway 17a, be communicated with the junction plane of above-mentioned adpting flange 27, and pass the bypass passageways import 31i of throttle body 17; The side of gas-entered passageway 17a, be communicated with the junction plane of above-mentioned adpting flange 27, and pass the bypass passageways outlet 31o of throttle body 17 in closure 21 downstreams; Form on the junction plane of above-mentioned adpting flange 27, an end is connected the bypass passageways upstream slot 32i on the bypass passageways import 31i; Form on the junction plane of above-mentioned adpting flange 27, an end is connected the bypass passageways downstream slot 32o on the bypass passageways outlet 31o; On control gear 28, form the valve opening import 33i that is communicated with the other end of bypass passageways upstream slot 32i; On control gear 28, form the valve opening outlet 33o that is communicated with the other end of bypass passageways downstream slot 32o; These two valve opening import 33i and valve opening outlet 33o is communicated with, formation on control gear 28, parallel with gas-entered passageway 17a have a round-ended cylinder shape valve opening 34.At this moment, valve opening 34 is arranged in the top of bypass passageways import 31i and bypass passageways outlet 31o, and valve opening import 33i and valve opening outlet 33o are in the lower aperture of this valve opening 34.
As Figure 12 and shown in Figure 13, the connection amount between the control valve bore of in valve opening 34, packing into import 33i and the valve opening outlet 33o, can be free to slide piston-shaped bypass valve 35.On this bypass valve 35, by Oldham coupling 50, with mutual can be along the mode of radial shift, connecting and driving its driver part that moves vertically 37.And the output shaft 39a of stepper motor 39 is connected on this driver part 37 by screw mechanism 40.Promptly, the output shaft 39a that makes screw axis is screwed in the tapped hole 41 of driver part 37 with screw thread, by the rotation of this root output shaft 39a, driver part 37 is advanced vertically or retreat, and make bypass valve 35 also can similarly advance or retreat by Oldham coupling 50.
Above-mentioned stepper motor 39 inserts with valve opening 34 and is arranged on the same axis line, in the actuator casing 42 of a side opening of control gear 28, and,, make in its open part that remains on this actuator casing 42 at sandwich sealed member 43 with the chock plug 44 that is threaded.
Know expression as Figure 16 A, 16B, in bypass valve 35, be provided with towards the bottom opening of valve opening 34, the deep cylindric end hollow space 45 that has, and with this inside and outside connection that end hollow space 45 arranged, the keyway 47 of nick shaped and measuring tank 48.The key 49 that erects from the bottom of valve opening 34 is combined in the keyway 47, and it has the bypass valve of allowing 35 slides, and does not allow the effect that its rotates simultaneously again.Measuring tank 48 be arranged to valve opening outlet 33o corresponding, width by groove is fixed, along the wide part 48a of the axially extended width of bypass valve 35 be connected the one end, and the tapering part 48b that the width of groove reduces along with leaving the wide part 48a of width constitutes.
As Figure 13 and shown in Figure 15, above-mentioned Oldham coupling 50 is made of following each several part: be arranged on and above-mentioned first square hole 51 that has in the adjacent bypass valve 35 of end hollow space 45; Be entrenched in this first square hole 51, can be along the connected element 53 of the first horizontal X slip; Be arranged in this connected element 53, above-mentioned driver part 37 is entrenched in wherein, and can be along second square hole 52 that slides with the first horizontal X rectangular second horizontal Y.Driver part 37 is made long shape, runs through connected element 53, and, the one end be provided with connected element 53 and with the big flange 37a of an end face crimping of bypass valve 35.In addition, at the other end of connected element 53, formed and be positioned at the little flange 37b that end hollow space 45 is arranged.Between this little flange 37b and bypass valve 35, be provided with the maintenance spring 54 that this bypass valve 35 is pressed to big flange 37 1 thrusters.Therefore, bypass valve 35 is when being clamped on the driver part 37 with big flange 37a and maintenance spring 54 along axial elasticity ground, also by first and second square holes 51,52, and the glade plane space between bypass valve 35 and the valve opening 34, make the two sides along axial of this bypass valve 35 interconnect.In addition, connected element 53 is clamped in vertically towards between the big flange 37a of the step part 35a of first square hole 51 of bypass valve 35 and driver part 37.
Can be clear that from Fig. 9, Figure 13 and Figure 14, parallel with gas-entered passageway 17a and come bypass valve 35 and stepper motor 39 on the same axis line abreast, be arranged in the top of the valve shaft 22 that flatly is arranged in the closure 21.And bypass valve 35 and stepper motor 39 are arranged to respectively towards the downstream side of upstream side and the gas-entered passageway 17a of gas-entered passageway 17a, and have formed the bypass passageways downstream slot 32o longer than bypass passageways upstream slot 32i thereupon.
And, owing to be arranged to and valve opening 34, thereby just parallel with the gas-entered passageway 17a of bypass valve 35, so can seek the miniaturization of air suction capacity controller.In addition, can balancedly be arranged in stepper motor 39 and bypass valve 35 top of throttle plate pin 22, this also helps the miniaturization of air suction capacity controller.
In Figure 12 and Figure 13, the diameter of actuator casing 42 is bigger than the diameter of the valve opening 34 that the coaxial line in its place ahead is arranged side by side, and has therefore formed the step part 55 of ring-type at the intersection with valve opening 34.Sealed member 57 just is clamped in this circular step part 55 and is installed between the front-end face of the stepper motor 39 in the actuator casing 42.That is, stepper motor 39 install to go in the actuator casing 42 in because the position that can be maintained fixed between the front-end face of sealed member 57 and the circular step part 55, so the assembling of sealed member 57 is functional.
This sealed member 57 is by the ring-type stiffening plate 58 of synthetic resin manufacturing with mechanography ring-type stiffening plate 58 to be surrounded, and combine with it, the elasticity coating 59 that rubber is made is constituted.A pair of side flange 60,60 before and after having formed on the excircle part of this elasticity coating 59 has then formed inner circumference flange 61 within it on the circumferential surface.Above-mentioned side flange 60,60 closely contacts with the front-end face of above-mentioned circular step part 55 and stepper motor 39 respectively, and inner circumference flange 61 then closely contacts with the outer peripheral surface of output shaft 39a root.These side flanges 60,60 and inner circumference flange 61 are owing to keeping correct sealing state by means of stiffening plate 58, so can play good seal action all the time.
Be provided with many riveted holes 62 on stiffening plate 58, elasticity coating 59 is filled in wherein, to improve the combination force of stiffening plate 58 and elasticity coating 59.In addition, because the manufacturing of this stiffening plate 58 usefulness synthetic resin, so can make the weight saving of sealed member 57.
As Fig. 5, Figure 10 and shown in Figure 11, the throttling sensor 64 that detects the aperture of closure 21 has been installed in control gear 28.This throttling sensor 64 has following parts: form on the outer side surface of control gear 28, be entrenched in the shell of installing in the recess 65 66; In this shell 66, be connected the rotor 67 on the end of valve shaft 22 of closure 21; Be fixed on the shell 66, the angle of swing that detects above-mentioned rotor 67 is with its stator 68 as the aperture of closure 21.
As Fig. 5, Fig. 9 and shown in Figure 14, side at the installation recess 65 of this throttling sensor 64, on throttle body 17 and control gear 28, be provided with adpting flange 27 and intersect vertically, and at the first sensor mounting hole 71 of the upstream side opening of gas-entered passageway 17a, the intake air temperature sensor 73 that detects the temperature of gas-entered passageway 17a upstream then is installed in above it from control gear 28 these sides.In addition, also in throttle body 17, formed burst detection of negative pressure hole 74 respectively at the downstream side of gas-entered passageway 17a opening, in control gear 28, formed be positioned at above-mentioned first sensor mounting hole 71 directly over the second sensor mounting hole 72.The communication passage 75 of connection between this burst detection of negative pressure hole 74 and the second sensor mounting hole 72 is grooves of walking around the bending of throttling sensor 64 belows, and it forms on the junction plane of adpting flange 27.In addition, the air-intake negative-pressure that detects by the downstream side of the gas-entered passageway 17a behind the burst detection of negative pressure hole 74 has been installed in the second sensor mounting hole 72, that is, and the burst B/P EGR Back Pressure Transducer EGR 76 of the burst negative pressure of detection of engine 5.Like this, just intake air temperature sensor 73 and burst B/P EGR Back Pressure Transducer EGR 76 are arranged on the position near each other.
The upstream extremity of bypass passageways 30, i.e. bypass passageways import 31i is arranged near the above-mentioned first sensor mounting hole 71, at the upstream side than this mounting hole 71 more close gas-entered passageway 17a.In addition, the mode that is arranged to walk around throttling sensor 64 belows with communication passage 75 is opposite, and bypass passageways downstream slot 32o is arranged to walk around the top of throttling sensor 64.
As Fig. 4～Fig. 8 and shown in Figure 14, be provided with the flat connector of above-below direction 80 on the top of control gear 28.This connector 80 is by the connector body 81 that is made of one with control gear 28, constitute with the many terminals 82 that are embedded in this main body, above-mentioned connector body 81 is crossed adpting flange 27, extend to throttle body 17 directly over, make its in conjunction with mouth 80a towards the direction opposite with control gear 28.Connecting and be combined in this with the aerial lug 83 of power supply and so on wire connecting bundle 86 and combine on the mouth 80a.
This control gear 28 that connector 80 is housed is made unlimited box-shaped to the exterior edge face of a side opposite with above-mentioned adpting flange 27, and the base plate 84a of Electronic Control Unit 84 is set on this exterior edge face.At this moment, the splicing ear 64a of above-mentioned intake air temperature sensor 73, burst B/P EGR Back Pressure Transducer EGR 76 and throttling sensor 64 also has the inner of the terminal 82 of connector 80, all directly is connected base plate 84a with soldering and goes up (referring to Figure 10～Figure 12).Label 85 expressions are installed in the various semiconductor elements on the base plate 84a.
Like this; in the throttle body 17 of horizontal type; even because the return-air phenomenon of motor 5 when air inlet; and make fuel wet goods foreign matter enter the burst detection of negative pressure hole 74 from gas-entered passageway 17a; but; because between burst detection of negative pressure hole 74 and the burst B/P EGR Back Pressure Transducer EGR 76 above it; because communication passage 75 is given its very big pressure difference; and communication passage 75 is passages of the very big bending of flow resistance; so above-mentioned foreign matter can not enter in the burst B/P EGR Back Pressure Transducer EGR 76, therefore, has protected burst B/P EGR Back Pressure Transducer EGR 76; make it not be subjected to the infringement of foreign matter, thereby can guarantee its function and life-span.
In addition, because intake air temperature sensor 73 and burst B/P EGR Back Pressure Transducer EGR 76 centralized arrangement a side at throttling sensor 64, just might be being connected in these set of sensors on the Electronic Control Unit 84, can make this assembly 84 miniaturizations.
Also have, owing to constitute the groove of communication passage 75, and upstream slot and downstream slot 32i, the 32o of the bypass passageways of the major component of formation bypass passageways 30, all be on the junction plane of the adpting flange 27 of throttle body 17, to form, so can form simultaneously with the shaping of throttle body 17, do not need to be they processing that is shaped especially, can boost productivity.
Also have, bypass passageways import 31i is arranged near the first sensor mounting hole 71 that is positioned at the second sensor mounting hole, 72 belows, and be gas-entered passageway 17a than this mounting hole 71 upstream one side more, like this with regard to energy first, second sensor mounting hole 71,72 of centralized arrangement and bypass passageways import 31i, but do not interfere with each other, help the miniaturization of control gear 28.
Also have, by bypass passageways downstream slot 32o and communication passage 75 are arranged to from above-below direction round throttling sensor 64, thereby can be arranged in not interfering with each other of throttling sensor 64 to bypass passageways downstream slot 32o and communication passage 75 on every side, can arrange very compactly, further help the miniaturization of control gear 28.
See Fig. 4 again, on the exterior edge face of the control gear 28 that connector 80 is housed, across corner on a diagonal has formed positioning convex 87, and formed screw 88 in another cornerwise bight, on the other hand, on base plate 84a, be provided with positioning convex 87 corresponding positioning hole 89 and with screw 88 corresponding through holes 90.Positioning convex 87 is embedded in the above-mentioned positioning hole 89, the screw 91 that passes through hole 90 is screwed in the screw 88, base plate 84a just has been fixed on the assigned position of control gear 28.
In addition,, on control gear 28, between stepper motor 39 and base plate 84a, also locate and fixing and roughly be cuboid, the link made from synthetic resin 92 as Figure 12 and shown in Figure 17.In this link 92, imbedded several lead frames 93,93 ..., the tenminal block 93a that forms on an end of each lead frame 93 directly is connected on the base plate 84a with soldering, and on the other end of each lead frame 93, then forms attachment hole 94.
On the other hand, (end face to the place aheads of actuator casing 42 direction of insertion of stepper motor 39) protrudes some connecting pins 96,96 on the front-end face of the terminal extension 95 that protrudes from the outer side surface that is arranged on stepper motor 39 ... these connecting pins 96,96 ... in the actuator casing 42 that inserts stepper motor 39, embed above-mentioned attachment hole 94,94 ... in.
As Fig. 4 and shown in Figure 9, on the junction plane of adpting flange 27, round bypass passageways upstream slot 32i, bypass passageways downstream slot 32o, first sensor mounting hole 71, burst detection of negative pressure hole 74, and communication passage 75 around, formed seal groove 97, the sealed member 98 that closely contacts with control gear 28 is installed on this junction plane, so that above-mentioned bypass passageways upstream slot 32i, bypass passageways downstream slot 32o etc. keep airtight conditions.
As Fig. 4, Figure 11 and shown in Figure 12, the lid 101 that the aluminum alloy of Electronic Control Unit 84 is made is housed, be entrenched in closely the control gear 28 that connector 80 is housed the outer end around on the step-like chimeric surface 100 that forms.At this moment, (referring to Fig. 4 and Figure 11) flexibly is entrenched togather for stopper protrusion 105 that forms on the chimeric surface of these two parts and backstop hole 106.This lid 101 is to use the aluminium alloy plate drawing, has the good surface appearance of corrugationless.Therefore, because lid 101 makes control gear 28 have good surface appearance, so, control gear 28 exposed on motorcycle 1 under the situation outside and just produce effect very much.
On control gear 28, be provided with the unlimited end face near lid 101, with lid 101 internal communication, and at the sprue gate 102 (referring to Fig. 8 and Figure 14) of a side opening opposite with lid 101.Then, make lid 101 towards the below, 102 to lid 101 inner cast synthetic resin 103 from the sprue gate, until till the tight telescoping part of lid 101, like this, just in parcel Electronic Control Unit 84, sealed the tight telescoping part of lid 101.
Above-mentioned casting resin 103 protection Electronic Control Units 84 are not subjected to the infringement of rainwater, dust and vibration; particularly; owing to sealed the tight telescoping part towards control gear 28 of lid 101; not only can obtain the effect of waterproof and dustproof; can also strengthen the combination force of lid 101 and control gear 28 by means of the bonding force of the resin of being poured into a mould 103.
And; because Electronic Control Unit 84 is contained in the lid 101; make this lid 101 behind the below; pour into a mould synthetic resin 103 from the sprue gate 102 of top again; so, pour into a mould the resin 103 of minimum limit and just can protect Electronic Control Unit 84, and it is combined with lid 101; therefore, can prevent that synthetic resin 103 is penetrated in the bypass valve 35 and stepper motor 39 that is in lid 101 tops.
In the process of cast, can see from sprue gate 102 and water fluence thereby can regulate at an easy rate by the casting condition of synthetic resin in lid 101.In addition, because the resin 103 of cast has surrounded splicing ear 64a, 73a, the 76a of various sensors 64,73,76, and the splicing ear 93a of link 92 is with respect to the attachment portion of base plate 84a, so can improve the anti-vibration performance of above-mentioned splicing ear 64a, 73a, 76a and 93a.
Please see Fig. 3 and Fig. 7 again, though the control gear 28 of above-mentioned various sensor 64,73,76 and Electronic Control Unit 84 is housed, all be arranged in a side of throttle body about 17, but, connector 80 but is arranged in the top of throttle body 17, promptly is arranged between the diapire of throttle body 17 and trunk 3.Like this, various sensors 64,73,76, and Electronic Control Unit 84 are because arranged apart with connector 80, though the space on the motorcycle 1 around the throttle body 17 is very narrow, can arrange these parts at an easy rate also, particularly, because can make connector 80 flat up and down, so, even it is arranged in the top of throttle body 17, also must be moved upward the bottom of the trunk 3 of top hardly, thereby can enlarges the volume of trunk 3.
And, since connector 80 with its with aerial lug 83 in conjunction with mouth 80a towards the direction opposite with Electronic Control Unit 84, make the obstruction that can not be subjected to Electronic Control Unit 84 and motor 5 that is connected of aerial lug 83 and connector 80, can carry out easily, assembling performance and maintainability are all fine.
In addition, the valve shaft 22 of direction extension to the left and right, its with an end of Electronic Control Unit 84 opposite sides on fixing closure drum 23, be connected the below (seeing also Fig. 8) that closure steel cable 24 on this closure drum 23 then is arranged through connector 80 in conjunction with mouthful 80a.Like this, just can avoid closure steel cable 24 and the electrical wiring harness 86 that is combined in the aerial lug 83 on the connector 80 to interfere, can improve assembling performance and maintainability.
Have again, as Fig. 2, Fig. 3, Fig. 7 and shown in Figure 8, be connected closure steel cable 24 on the closure drum 23 after bottom by closure drum 23, just rearward extend, in the crank section of motor suspension rod 14, bend to after the U font, down tube 11b along vehicle frame 11 1 sides forwards extends, and is connected to be attached on the throttle operation parts (not shown) that turns on the handgrip 36 (Fig. 1).
Like this, in the steering procedure of motorcycle 1, when power plant 4 teeter along with the flexible of rear shock absorber 26, throttle body 17 also waves together with power plant 4, so closure steel cable 24 mainly is the curved section of U font, just not too deflection, can prevent from closure steel cable 24, to produce excessive stress, thereby can guarantee its life-span.And, though the combination mouthful 80a of closure drum 23 and connector 80 is arranged in the same side of throttle body 17, but, because as above said, only arranged an independent closure steel cable 24, so the interference that can not be subjected to closure steel cable 24 on every side in conjunction with mouthful 80a of connector 80 can be guaranteed bigger working space, makes aerial lug 83 can be connected this easily in conjunction with on the mouth 80a.
Below, the effect of above-mentioned air suction capacity controller is described.
When closure 21 full cut-offs, Electronic Control Unit 84 is according to the output signal of throttle sensor 64, intake air temperature sensor 73 and burst B/P EGR Back Pressure Transducer EGR 76 etc., judge that motor is to be in startup, or quick idling, under the operating conditions such as still usual idling, or engine braking, and in order to make bypass valve 35 obtain corresponding aperture, allow stepping motor 39 work, make output shaft 39a carry out forward or reverse.
When output shaft 39a forward or reverse, driver part 37 is just along axial advancement or retreat, by connected element 53, bypass valve 35 is slided forward or backward along valve opening 34, increase or reduce the opening area of measuring tank 48 with respect to valve opening outlet 33o, be the aperture of bypass passageways 30, with the charge flow rate in the control bypass passageways 30.Particularly, advance with respect to valve opening outlet 33o or retreat, can above-mentioned charge flow rate be controlled at very finely from zero maximum value to regulation by means of the tapering part 48b that makes measuring tank 48.As a result, just can normally carry out the starting of motor, quick idling or usual idling automatically.
At this moment, even Oldham coupling 50 is because foozle, make bypass valve 35 and stepper motor 39 output shaft 39a axis mutually between some skew, also can be by the moving along the first transverse direction X of connected element 53, and the remedying along second the moving of transverse direction Y of driver part 37, whether no matter skew arranged, can both guarantee that bypass valve 35 successfully slides, simultaneously, can be by means of keeping spring 54 to suppress the vibration of bypass valve 35.
In addition, under bypass valve 35 full-shut positions, the air-intake negative-pressure of motor 5 acts on bypass valve 35 sides towards valve opening outlet 33o, but this moment is because Oldham coupling 50 allows that the above-mentioned air-intake negative-pressure action direction to bypass valve 35 moves abreast, so bypass valve 35 still closely contacts reliably with around the valve opening outlet 33o, the air inlet that can prevent bypass passageways lets out from valve opening outlet 33o, perhaps can control leakage considerably less.Therefore, for valve opening 34 and bypass valve 35 and do not require extra high dimensional accuracy, help to boost productivity.
Also have, because two end faces that bypass valve 35 is axial, first and second square holes 51,52 by Oldham coupling 50, and the glade plane space between this bypass valve 35 and the valve opening 34 interconnects, so,, can on two axial end faces of bypass valve 35, not produce pressure difference regardless of the pressure that is delivered in the valve opening 34, therefore, stepper motor 39 is as long as just can make bypass valve 35 work trippingly with smaller output power.Like this, just in the reply performance that improves bypass valve 35, reduced the output power of stepper motor 39, amplification is come, and means the miniaturization that can realize stepper motor.
Also have, since bypass valve 35 by means of keep spring 54 from valve opening import 33i in the direction pressurization of valve opening outlet 33o, the output shaft 39a of the big flange 37a supporting stepper motor 39 of the driver part 37 that is threaded with direct usefulness also, particularly at output shaft 39a when the closing direction of bypass valve 35 rotates, driver part 37 directly pushes bypass valve 35 to the direction of closing by means of big flange 37a, therefore, just can improve the closing velocity of bypass valve 35, and keep spring 54 irrelevant with whether existing.
On the other hand, when opening throttle 21,, be supplied to motor 5 by gas-entered passageway 17a, thereby can control the output power of motor along with its aperture increases and the air inflow of increase.
; in this intake-air quantity control apparatus; because having the separated control gear that has connector 80 28 is combined on the adpting flange 27 of throttle body 17; so; bypass valve 35 can be installed in this control gear 28; stepper motor 39; intake air temperature sensor 73; burst B/P EGR Back Pressure Transducer EGR 76; throttling sensor 64 and Electronic Control Unit 84; the processing of throttle body 17 is carried out abreast with the manufacturing that contains the control system of control gear 28; particularly before control gear 28 is combined on the throttle body 17; can be connected power supply etc. on the connector 80 easily; can be to stepper motor 39; bypass valve 35; various sensors 64; 73; 76; the function of Electronic Control Unit 84 grades is checked; therefore; can only be installed in the product of passed examination on the throttle body 17, futile assembling operation can not take place, thereby help to boost productivity.
And, because Electronic Control Unit 84 is arranged on the exterior edge face of control gear 28, can carry out stepper motor 39 by it, being electrically connected between various sensors 64,73,76 and the connector 80, make stepper motor 39, wiring between various sensors 64,73,76 and the connector 80 has been oversimplified, and can further help to improve the assembling performance.
Also have, in stepper motor 39, be provided with the connecting pin 96 that protrudes to the direction of insertion of actuator casing 42, because these root connecting pin 96 embedded attachment holes 94 are arranged in the lead frame 93 in the connector 80 that is connected control gear 28 1 sides, so stepper motor 39 is being installed to when control gear 28 gets on, just between stepper motor 39 and connector 80, finished being electrically connected, do not needed to be electrically connected especially operation, can further improve the assembling performance.
In addition, because having the lead frame 93 of above-mentioned attachment hole 94 is embedded between stepper motor 39 and the Electronic Control Unit 84, in the link 92 definite and the fixedly finding of the position of control gear 28, compare with the situation in the control gear 28 that is embedded in big part, thisly bury operation underground and want much easy and accurate, then, by link 92 is fixed on the control gear 28, just can correctly be arranged in the attachment hole 94 of lead frame 93 on certain position, assurance can be positively chimeric with the connecting pin 96 of stepper motor 39.
Also have, because the actuator casing 42 of stepper motor 39 is housed, different with the exterior edge face of the control gear 28 that is provided with Electronic Control Unit 84, be designed to outer surface upper shed at control gear 28, so can help the miniaturization of control gear 28, and can make being provided with of the loading and unloading of stepper motor 39 and Electronic Control Unit 84 irrelevant, the maintenance of stepper motor 39 and bypass valve 35 is carried out easily.
In the process that motor 5 shuts down; though airborne moisture can condense into water droplet in the valve opening 34 on the inwall of valve opening 34; but; owing to can be penetrated in the stepper motor 39 and go by means of being arranged on this water droplet that condenses of sealed member 57 preventions between valve opening 34 and the actuator casing 42; so protected stepper motor 39, can improve its life-span.
Particularly, because sealed member 57 is clamped between the circular step part 55 and stepper motor 39 that is arranged between valve opening 34 and the actuator casing 42, on its inner peripheral surface, has the inner circumference lip 61 that contacts closely with the outer peripheral surface of the root of the output shaft 39a of stepper motor 39, and inner circumference lip 61 is very little for the surface friction drag of the surface of revolution of output shaft 39a, so not influence of reactivity to bypass valve 35, and, even allow the front end of output shaft 39a expose at the such bypass valve 35 in valve opening 34 inside, since have this independent sealed member 57, also can be reliably sealing between stepper motor 39 and the valve opening 34.That is, because how to have nothing to do, so the Applicable scope of this sealed member 57 is very wide with the structure of bypass valve 35.
In addition, in the process that motor 5 shuts down, usually, because bypass valve 35 makes valve opening outlet 33o be in full-shut position, so,, also can stop it to valve opening 34 infiltrations by means of bypass valve 35 even the downstream side of gas-entered passageway 17a has fuel gas to be penetrated into the downstream side of bypass passageways 30.Therefore, just in case the sealing function of above-mentioned sealed member 57 has reduced, can prevent that also stepper motor 39 is exposed in the fuel gas, can guarantee its life-span.
Also have; because bypass passageways 30 is provided with from valve opening 34 and surveys the abundant length of extending downstream; so fuel gas that produces in the downstream side of gas-entered passageway 17a; be difficult to downstream part by the bypass passageways of such length; therefore; prevented that fuel gas to valve opening 34 infiltrations, further helping to protect stepper motor 39.
In addition, in bypass passageways 30, because position occupied exports the lower aperture of 33o at valve opening 34 than bypass passageways import 31i and high valve opening import 33i and the valve opening of bypass passageways outlet 31o, foreign matters such as dust are difficult to invade the valve opening 34 from valve opening import 33i and valve opening outlet 33o, therefore, can avoid making bypass valve 35 work not normal owing to the intrusion of foreign matter.
The present invention is not limited to the foregoing description, in the scope that does not break away from main points of the present invention, can carry out various variations to its design.For example, bypass passageways upstream slot 32i, bypass passageways downstream slot 32o and communication passage 75 also can with the junction plane of the adpting flange 27 of control gear 28 on form.
Claims (6)
1. the intake-air quantity control apparatus of a motor, it has following parts: have the throttle body (17) that is arranged on the closure (21) in the gas-entered passageway (17a) that is connected with the air inlet (7a) of motor (5); Walk around the bypass passageways (30) that closure (21) is connected with gas-entered passageway (17a); Control the bypass valve (35) of the aperture of described bypass passageways (30); And the sensor of the operating condition of detection of engine (5) (64,73,76); Drive the actuator (39) of bypass valve (35) open and close according to the signal of these sensors (64,73,76) output, it is characterized in that,
Connector (80) that combines with aerial lug (83) and the control gear (28) that is connected on the throttle body (17) are made an integral body, and bypass valve (35), sensor (64,73,76) and actuator (39) be installed in wherein, on the exterior edge face of this control gear (28), be arranged on electric on respectively with actuator (39), sensor (64,73,76) Electronic Control Unit (84) that connects and between the connector (80), covering this Electronic Control Unit (84) and be installed in the inner cast of lid (101) synthetic resin (103) on the control gear (28), so as when to surround Electronic Control Unit (84) mounting portion of sealing lid (101).
2. the intake-air quantity control apparatus of motor as claimed in claim 1 is characterized in that,
Allow inside pack into Electronic Control Unit (84) and tightly be entrenched on the outer end of control gear (28) lid (101) down, synthetic resin (103) is poured into lid (101) inside, be poured near its upper end always.
3. the intake-air quantity control apparatus of motor as claimed in claim 2 is characterized in that,
The sprue gate of synthetic resin (103) (102) are arranged on the position of close lid (101) of control gear (28).
4. the intake-air quantity control apparatus of motor as claimed in claim 3 is characterized in that,
The terminal of sensor (64,73,76) (64a, 73a, 76a) directly is connected on the base plate (84a) of the Electronic Control Unit (84) that is wrapped in synthetic resin (103) lining.
5. as the intake-air quantity control apparatus of the described motor of any one claim in the claim 1～4, it is characterized in that,
Lid (101) is made with aluminum alloy.
6. as the intake-air quantity control apparatus of the described motor of any one claim in the claim 1～4, it is characterized in that,
Sensor is at least one in following three kinds of sensors: the throttle sensor (64) that detects the aperture of closure (21), the burst B/P EGR Back Pressure Transducer EGR (76) of the burst negative pressure of detection of engine (5), and the intake air temperature sensor (73) that detects the temperature in the gas-entered passageway (17a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001264693A JP4065115B2 (en) | 2001-08-31 | 2001-08-31 | Engine intake air amount control device |
| JP264693/2001 | 2001-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1549891A CN1549891A (en) | 2004-11-24 |
| CN1314889C true CN1314889C (en) | 2007-05-09 |
Family
ID=19091263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028169891A Expired - Fee Related CN1314889C (en) | 2001-08-31 | 2002-08-28 | Engine suction rate controller |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1422404B1 (en) |
| JP (1) | JP4065115B2 (en) |
| CN (1) | CN1314889C (en) |
| DE (1) | DE60230293D1 (en) |
| ES (1) | ES2316600T3 (en) |
| TW (1) | TW536579B (en) |
| WO (1) | WO2003021098A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4234121B2 (en) * | 2005-09-02 | 2009-03-04 | 株式会社ケーヒン | Engine intake system |
| WO2010110212A1 (en) * | 2009-03-23 | 2010-09-30 | 株式会社ケーヒン | Air intake control device for engine |
| JP5380337B2 (en) * | 2010-03-16 | 2014-01-08 | 本田技研工業株式会社 | Wiring structure to throttle body in small vehicle |
| JP6108303B2 (en) * | 2013-02-14 | 2017-04-05 | 株式会社ケーヒン | Flow control device |
| JP6020916B2 (en) * | 2013-03-21 | 2016-11-02 | 株式会社ケーヒン | Intake device for motorcycle engine |
| JP6259697B2 (en) * | 2014-03-28 | 2018-01-10 | 株式会社ケーヒン | Intake air amount adjustment device |
| CN106285961B (en) * | 2015-05-22 | 2019-04-16 | 光阳工业股份有限公司 | Engine throttle valve body |
| JP6688384B2 (en) * | 2016-03-17 | 2020-04-28 | 本田技研工業株式会社 | Throttle device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57102537A (en) * | 1980-12-18 | 1982-06-25 | Nippon Denso Co Ltd | Idling number control device for internal combustion engine |
| JPS63113761U (en) * | 1987-01-19 | 1988-07-22 | ||
| JPH09303164A (en) * | 1996-05-15 | 1997-11-25 | Hitachi Ltd | Throttle body and intake device for engine |
| JPH1144265A (en) * | 1997-07-25 | 1999-02-16 | Mitsubishi Electric Corp | Intake system control device for internal combustion engine |
| JPH11270394A (en) * | 1998-03-25 | 1999-10-05 | Keihin Corp | Idle air quantity control device |
| US5996543A (en) * | 1997-03-28 | 1999-12-07 | Denso Corporation | Intake device to which engine ECU is fixed and method of assembling the same |
| CN1268622A (en) * | 1999-03-31 | 2000-10-04 | 本田技研工业株式会社 | Bypass control device for throttle valve |
| CN1287217A (en) * | 1999-09-03 | 2001-03-14 | 本田技研工业株式会社 | Air-suction device for engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2245931A (en) * | 1990-07-10 | 1992-01-15 | Rover Group | I.c. engine air intake throttle body |
| DE4112981A1 (en) * | 1991-04-20 | 1992-10-22 | Bosch Gmbh Robert | Wt. measuring arrangement for flowing, gaseous medium, esp. in IC engine air induction system - has hot film air mass sensor in by=pass channel opening in min. cross=section region of venturi section |
| US5711271A (en) * | 1995-05-05 | 1998-01-27 | Robert Bosch Gmbh | Throttle apparatus for an internal combustion engine |
-
2001
- 2001-08-31 JP JP2001264693A patent/JP4065115B2/en not_active Expired - Fee Related
-
2002
- 2002-08-28 DE DE60230293T patent/DE60230293D1/en not_active Expired - Lifetime
- 2002-08-28 EP EP02760769A patent/EP1422404B1/en not_active Expired - Lifetime
- 2002-08-28 CN CNB028169891A patent/CN1314889C/en not_active Expired - Fee Related
- 2002-08-28 ES ES02760769T patent/ES2316600T3/en not_active Expired - Lifetime
- 2002-08-28 WO PCT/JP2002/008676 patent/WO2003021098A1/en active Application Filing
- 2002-08-29 TW TW91119687A patent/TW536579B/en not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57102537A (en) * | 1980-12-18 | 1982-06-25 | Nippon Denso Co Ltd | Idling number control device for internal combustion engine |
| JPS63113761U (en) * | 1987-01-19 | 1988-07-22 | ||
| JPH09303164A (en) * | 1996-05-15 | 1997-11-25 | Hitachi Ltd | Throttle body and intake device for engine |
| US5996543A (en) * | 1997-03-28 | 1999-12-07 | Denso Corporation | Intake device to which engine ECU is fixed and method of assembling the same |
| JPH1144265A (en) * | 1997-07-25 | 1999-02-16 | Mitsubishi Electric Corp | Intake system control device for internal combustion engine |
| JPH11270394A (en) * | 1998-03-25 | 1999-10-05 | Keihin Corp | Idle air quantity control device |
| CN1268622A (en) * | 1999-03-31 | 2000-10-04 | 本田技研工业株式会社 | Bypass control device for throttle valve |
| CN1287217A (en) * | 1999-09-03 | 2001-03-14 | 本田技研工业株式会社 | Air-suction device for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1422404A4 (en) | 2008-05-14 |
| JP2003074380A (en) | 2003-03-12 |
| TW536579B (en) | 2003-06-11 |
| DE60230293D1 (en) | 2009-01-22 |
| JP4065115B2 (en) | 2008-03-19 |
| CN1549891A (en) | 2004-11-24 |
| EP1422404B1 (en) | 2008-12-10 |
| WO2003021098A1 (en) | 2003-03-13 |
| ES2316600T3 (en) | 2009-04-16 |
| EP1422404A1 (en) | 2004-05-26 |
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