CN101210533A - Air input device for fuel injection engine - Google Patents

Air input device for fuel injection engine Download PDF

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Publication number
CN101210533A
CN101210533A CNA2007101871993A CN200710187199A CN101210533A CN 101210533 A CN101210533 A CN 101210533A CN A2007101871993 A CNA2007101871993 A CN A2007101871993A CN 200710187199 A CN200710187199 A CN 200710187199A CN 101210533 A CN101210533 A CN 101210533A
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China
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mentioned
fuel injection
fuel
engine
air inlet
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CNA2007101871993A
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Chinese (zh)
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村上广道
浜田干生
和田里美
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Aisan Industry Co Ltd
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Aisan Industry Co Ltd
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Publication of CN101210533A publication Critical patent/CN101210533A/en
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Abstract

There is provided an air inlet unit for fuel injection type engine omitting idle speed air capacity control device and reducing cost. The device includes: a choker body (32) of part of a connection channel (31) connecting with the fuel chamber (39) of the engine (20), a choker (33) for openning and closing the air inlet channel (31) of the choker body (32), a fuel injection valve (37) for injecting fuel into the air inlet channel (31), a fuel supply device for supplying fuel to the fuel injection valve (37), an ECU (control device) (62) for controlling fuel injection capacity to the fuel injection valve (37). Setting a by-pass channel (40) on the choker body (32), which bypasses the choker (33) and flows over intake air with prescribed capacity. Under the state of closing fully the choker (33) and invariablenes of air inlet flow quantity, the idle speed rotary speed is controlled by the ECU (62).

Description

The air inlet system of fuel injection engine
Technical field
The present invention relates generally to the air inlet system of the fuel injection engine of a kind of automobile, vehicle such as two-wheeled.
Background technique
In the past, in motor, during cold conditions, because the mechanical loss of internal-combustion engine is more, so the idling speed when being difficult to guarantee cold conditions.Therefore, particularly in fuel injection engine, be provided with the idling air quantity control gear of control idling air quantities such as IACV (Idle Air Control Valve) (to call " isc valve " in the following text), automatic starter.The suction air quantity of idling air quantity control gear when increasing idling when the cold conditions guaranteed idling speed.In addition, patent documentation 1 has been put down in writing isc valve.In addition, patent documentation 2 has been put down in writing automatic starter.
Patent documentation 1: TOHKEMY 2005-351191 communique
Patent documentation 2: Japanese kokai publication hei 8-28355 communique
Yet, when idling air quantity control gear being installed, have to increase cost in fuel injection engine.In addition, the cost of idling air quantity control gear improves a reason that becomes the electronic controlled fuel injectionization (FIization) that hinders two-wheel vehicle used motor.Yet,,, think that the market proportion in warm area is bigger from the whole market for the market of cart etc.And, in warm area, compare with cold area, though the requirement of the idling speed during to cold conditions is not tight,, but be idling air quantity control gear to be installed in fuel injection engine as present present situation.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of air inlet system of the fuel injection engine of omitting idling air quantity control gear, reducing cost.
Above-mentioned technical problem can be solved by the air inlet system with the fuel injection engine that constitutes main idea that is recorded in technological scheme.
Promptly, air inlet system according to the fuel injection engine of technological scheme 1, be located on the throttle body and walking around on the bypass passageways of closure, flow through the suction air of established amount, so, with the throttle body full cut-off, make under the state of constantization of charge flow rate, by control gear control idling speed.Thus, by omit idling air quantity control gear such as the isc valve needed, automatic starter in the past, can reduce cost.
In addition, according to the air inlet system of the fuel injection engine of technological scheme 2, in that to make closure be the regulation aperture, make under the state of constantization of charge flow rate, by control gear control idling speed.Thus, by omitting idling air quantity control gear such as the isc valve needed, automatic starter in the past, thereby can reduce cost.
In addition, according to the air inlet system of the fuel injection engine of technological scheme 3, control gear is according to the warm-up mode of motor and/or the fuel injection amount of engine speed control Fuelinjection nozzle.Thus, can obtain stable idling speed.
In addition, according to the air inlet system of the fuel injection engine of technological scheme 4, control gear according to the warm-up mode of motor and/or engine speed control ignition constantly.Thus, can obtain stable idling speed.
Description of drawings
Fig. 1 is the summary pie graph that the engine system of the embodiment of the invention 1 is shown.
Fig. 2 is the flow chart of the program of the idling speed control when engine start is shown.
Fig. 3 is with time of ignition, air inflow, reaches the relevant sequential chart of engine speed.
Fig. 4 is the summary pie graph of engine system that the modification of the embodiment of the invention 1 is shown.
Fig. 5 is the summary pie graph that the engine system of the embodiment of the invention 2 is shown.
Embodiment
Below, explanation is used to implement preferred forms of the present invention with reference to embodiment.
Embodiment
Embodiment 1
Embodiments of the invention 1 are described.Present embodiment is applicable to two-wheel vehicle used fuel injection engine.The engine system of fuel injection engine at first is described.In addition, Fig. 1 is the summary pie graph that engine system is shown.
As shown in Figure 1, the engine system 10 that is installed on the vehicle (for example " two-wheeled ") has the fuel tank 12 that is used for storage of fuels.Be disposed at that petrolift 13 in the fuel tank 12 will be stored in by fuel filter 14 that fuel in this fuel tank 12 suck and to its pressurization, by fuel channel 15 with this fuel supply to Fuelinjection nozzle 37 (aftermentioned).In addition, petrolift 13 carries out drive controlling by ECU62 (aftermentioned).In addition, the pressure that supplies to the fuel of Fuelinjection nozzle 37 is adjusted into authorized pressure by pressure regulator 17.Fuel tank 12, petrolift 13, and fuel channel 15 constitute in these specifications said " fuel supplying device ".
Be provided with the cooling-water temperature sensor 22 of the temperature that is used for the detection of engine cooling water at shuttle 4 stroke single-cylinder motors (being called for short " motor ") 20 as internal-combustion engine.In addition, on motor 20, dispose the rotating speed that is used to detect bent axle 24, be the crank angle sensor 25 of engine speed.The testing signal of cooling-water temperature sensor 22 and crank angle sensor 25 outputs to ECU62 (aftermentioned).
Dispose the suction tude 30 that is communicated with the suction port 28 of cylinder head 27 in the air inlet side of above-mentioned motor 20, be communicated with and have throttle body 32, and the air-strainer 35 that is communicated with throttle body 32 of closure 33 with suction tude 30.Suction tude 30, throttle body 32, air-strainer 35 form a series of gas-entered passageway 31 that is communicated with the fuel chambers 39 of motor 30, and throttle body 32 forms the part of gas-entered passageway 31.In addition, in suction tude 30 Fuelinjection nozzle 37 is installed.In addition, the closure 33 of throttle body 32 opens and closes based on the operation of the accelerating unit (not shown) of regulation, thereby adjusts the suction air quantity that is drawn into the fuel chambers 39 of motor 30 by gas-entered passageway 31.Suction air quantity when in addition, not quickening to operate, when closure 33 is in full-shut position is set at 0 (zero) or is roughly 0.
On above-mentioned throttle body 32, be provided with the bypass passageways 40 of walking around above-mentioned closure 33.Bypass passageways 40 forms the passage that flows through such suction air quantity, and this suction air quantity can obtain to be used for when cold conditions (for example+20 ℃~+ 30 ℃) the 20 needed idling speed of piloting engine.So this throttle body 32 becomes not the isc valve of installing in the past (with reference to patent documentation 1), the throttle body that automatic starter (with reference to patent documentation 2) waits the idling air quantity control gear of controlling the idling air quantity.
On above-mentioned throttle body 32, be provided with the throttle position sensor 42 of the aperture that detects closure 33, the air inlet pressure sensor 43 of detection suction pressure.In addition, in the clear device 35 of above-mentioned air-filtering, air cleaner cartridge 45 is housed, and be provided be used to detect the downstream side that is positioned at this air cleaner cartridge 45, be the intake air temperature sensor 46 of the intake temperature of filtering side.In addition, throttle position sensor 42, air inlet pressure sensor 43, and the testing signal of intake air temperature sensor 46 be output to above-mentioned ECU62 (aftermentioned) respectively.
Exhaust side at above-mentioned motor 20 is communicated with outlet pipe 49, and this outlet pipe 49 is communicated with the relief opening 48 of above-mentioned cylinder head 27.Exhaust passage 50 in outlet pipe 49 is provided with the three-way catalyst 52 that is used for purifying exhaust air.
Cylinder head 27 at above-mentioned motor 20 is provided with the spark plug 54 of facing above-mentioned firing chamber 39.Spark plug 54 carries out sparkover by receiving from the fire signal of spark coil 55 outputs in each ignition timing from above-mentioned ECU62 (aftermentioned).Thus, the burning mixture that supplies to firing chamber 39 is lighted a fire.Spark plug 54 and spark coil 55 constitute ignition mechanism.
The fuel that supplies to Fuelinjection nozzle 37 from above-mentioned petrolift 13 by fuel channel 15 is injected into gas-entered passageway 31 in the suction tude 30 by the work of this Fuelinjection nozzle 37.In addition, the air cleaner cartridge 45 by air-strainer 35 is taken into above-mentioned gas-entered passageway 31 with air from the outside.Then, the air that is taken into gas-entered passageway 31 and the fuel that sprays from Fuelinjection nozzle 37 are as burning mixture, promptly the mixed gas of regulation air fuel ratio (A/F) is drawn into the firing chamber 39 of motor 20.The burning mixture that is drawn into firing chamber 39 is produced blast and burning by the sparkover of above-mentioned spark plug 54.Accompany therewith, piston 57 motions, bent axle 24 rotations, thus acquisition makes the driving force of two-wheeled walking.In addition, waste gas after burning is discharged to the outside, is in the atmosphere by the exhaust passage 50 in the outlet pipe 49.
In addition, in above-mentioned motor 20 two-wheeled is installed, be provided with as vehicle make with the battery 60 of power supply, by driver's operation motor 20 startings ignition switch 61, control the electric control device (being called " ECU ") 62 of the various drive units of motor 20.ECU62 constitutes said in this specification " control gear ".
Above-mentioned battery 60 is connected in above-mentioned ECU62 by above-mentioned ignition switch 61.So, between ignition switch 61 and ECU62, be provided with and carry out from the main relay 63 of battery 60 to ECU62 power supply and cut-out power supply.Main relay 63 has contact and coil, when flowing through electric current when ignition switch 61 is connected in coil, uses the magnetic force that produces at this coil to connect and disconnects action.That is, main relay 63 is connected when electric current flows in coil, disconnects when electric current does not flow in coil.By connecting this main relay road 63, thereby power to ECU62 from battery 60.
Above-mentioned each sensor 22,25,42,43,46 of being located at above-mentioned motor 20 is used to detect the various operating parameters relevant with the operating condition of motor 20, is connected respectively to above-mentioned ECU62 (aftermentioned).That is, cooling-water temperature sensor 22 detects inside at motor 20, be the temperature (coolant water temperature) of the engine cooling water that flows in the water jacket, will output to ECU62 with the corresponding electrical signal of this checkout value.In addition, cooling-water temperature sensor 22 is equivalent to said in this specification " the warm-up mode detection part of the warm-up mode of detection of engine ".
In addition, crank angle sensor 25 detects the rotating speed of bent axle 24, will be input to ECU62 with the corresponding electrical signal of its checkout value.In addition, crank angle sensor 25 is equivalent to said in this manual " the engine speed detection part of detection of engine rotating speed ".
In addition, throttle position sensor 42 detects the aperture of closure 33, will output to ECU62 with the corresponding electrical signal of its checkout value.In addition, throttle position sensor 42 is equivalent to said in this specification " throttle opening detection part ".
In addition, air inlet pressure sensor 43 detects the suction pressure of the gas-entered passageway 31 in closure 33 downstream sides, will output to ECU62 with the corresponding electrical signal of its checkout value.In addition, air inlet pressure sensor 43 is equivalent to said in this specification " suction pressure detection part ".
Above-mentioned ECU62 controls Fuelinjection nozzle 37 and spark coil 55 etc. respectively for based on implementing fuel injection control and time of ignition control etc. from the electrical signal of above-mentioned each sensor 22,25,42,43,46 output.At this, fuel injection control is meant fuel injection amount and the time for spraying thereof according to the operating condition control Fuelinjection nozzle 37 of motor 20.In addition, time of ignition control is meant by the operating condition control ignition coil 55 according to motor 20, thus the time of ignition of control spark plug 54.
In addition, above-mentioned ECU62 has central processing unit (CPU), reads private memory (ROM), random-access memory (ram), backup RAM, and outside input circlult and outside output circuit etc. as known in the art.ECU62 is connected CPU, ROM, RAM and backup RAM and outside input circlult and outside output circuit etc. and is constituted logical operation circuit by data/address bus.In addition, ROM is used for storing in advance the regulation control program relevant with the various controls of motor 20.In addition, RAM is used for storing the operation result of CPU temporarily.In addition, backup RAM is used to preserve the data of storage in advance.In addition, CPU is based on the testing signal of each sensor 22,25,42,43,46 of importing by input circlult, and control program is according to the rules implemented above-mentioned various controls etc.In addition, ECU62 constitutes said in this specification " control gear ".In addition, throttle body 32, closure 33, Fuelinjection nozzle 37, fuel supplying device (fuel tank 12, petrolift 13 and fuel channel 15), and ECU62 constitute said in this specification " air inlet system ".
Below, illustrate that idling speed in the various controls that the ECU20 of above-mentioned engine system 10 (with reference to Fig. 1) implements, during with above-mentioned motor 20 startings control relevant contents processing.In addition, Fig. 2 be the relevant program of idling speed control when illustrating with engine start flow chart.The program of this flow chart is regularly an Interrupt Process, and ECU20 judges based on the signal from various sensors 22,25,42,43,46 whether motor 20 is in idle state, begins above-mentioned timing Interrupt Process when being judged to be idle state.
At first, in step 100, the initial value (for example 1s) of retard time is set to the 1st delay counter A, then, advances to step 102.Then, in step 102, judge whether the 1st delay counter A is 0 (zero).At this, owing to be just 1s to be set to the 1st delay counter A in step 102, so, advance to step 104.Then,, read time of ignition figure,, set with engine temperature (temperature of engine cooling water), be the corresponding time of ignition of warm-up mode, then, advance to step 106 based on signal from cooling-water temperature sensor 22 in step 104.
Then, in step 106, read the correction value figure of fuel injection amount, after based on signal, setting, being the correction value of the corresponding emitted dose of warm-up mode, advance to step 108 with engine temperature (temperature of engine cooling water) from cooling-water temperature sensor 22.Then, in step 108, deduct 0.2s from the 1st delay counter A after, turn back to step 102.Like this, whenever carry out step 102 repeatedly~108 o'clock, the count value that has at every turn deducted 0.2s is set to the 1st delay counter A, when final setting is provided with 0 (zero) with the 1st delay counter A, judge that in step 102 the 1st delay counter A is 0 (zero), thereby carry out the feedback control of idling speed, advance to step 110.
Then, in step 110, the initial value (for example 10s) of retard time is set to the 2nd delay counter B, advances to step 112 then.Then, judge in step 112 whether the 2nd delay counter B is bigger than 0 (zero).At this, when the 2nd delay counter B is bigger than 0, advance to step 113.Then, in step 113, deduct 1s, turn back to step 112 then from the 2nd delay counter B.Like this, whenever having carried out step 112, repeatedly at 113 o'clock, the count value that has at every turn deducted 1s is set to the 2nd delay counter B, when finally the 2nd delay counter B being provided with 0 (zero), judge that in step 112 the 2nd delay counter B is littler than 0, thereby advance to step 114.That is,, advance to step 114 in every 10 seconds 1 time ratio.
Then,, read the correction value figure of fuel injection amount, after based on signal, setting, being the correction value of the corresponding emitted dose of warm-up mode, advance to step 116 with engine temperature (temperature of engine cooling water) from cooling-water temperature sensor 22 in step 114.
Then,, read rotating speed of target figure,, set with engine temperature (temperature of engine cooling water), be the corresponding rotating speed of target of warm-up mode, advance to step 118 then based on signal from cooling-water temperature sensor 22 in step 116.
Then, in step 118, relatively rotating speed of target that reads by step 116 and present idling speed.At this, when present idling speed is higher than rotating speed of target, advance to step 120, in addition, when present idling speed is lower than rotating speed of target, advance to step 122.In step 120, postpone (for example postponing 1 ° of CA) by making time of ignition, then when preventing that idling speed from excessively rising, reduce idling speed so that it becomes rotating speed of target, turn back to step 110 then.In addition,, (for example shift to an earlier date 1 ° of CA) in advance by making time of ignition, thereby idling speed is risen to become rotating speed of target, turn back to step 110 then in step 122.
Like this, by carrying out the idling speed feedback control every 10 seconds, thereby can keep more stable idling speed.
In addition,, the 1st delay counter A and the 2nd delay counter B are resetted and finish said procedure when judging motor 20 from the signal of various sensors 22,25,42,43,46 at ECU20 for idle state.
In addition, Fig. 3 is with time of ignition, air inflow, reaches the relevant sequential chart of engine speed.In Fig. 3, the transverse axis express time (minute), the longitudinal axis is represented time of ignition from top to bottom successively respectively, is sucked air quantity, engine speed.In addition, the characteristic based on laboratory data of the fuel injection engine 20 of characteristic line A (1)~(3) expression present embodiment, characteristic line B (1)~(3) expression has the characteristic based on laboratory data of the fuel injection engine of example in the past of isc valve.
[suction air quantity]
As can be seen, characteristic line B (2) is illustrated in work by isc valve and has just made after the engine start to maximum, after this, gently be reduced to the suction air quantity of regulation, relative therewith, characteristic line A (2) expression is by making closure 33 full cut-offs, thereby makes the constant regulation that flows in bypass passageways 40 that turns to of charge flow rate suck air quantity.
[engine speed]
As can be seen, after characteristic line B (3) is illustrated in work by isc valve and has just made engine start, reach the high rotating speed that has surpassed idling speed, then, gently drop to the idling speed of regulation, relative therewith, characteristic line A (3) compares with characteristic line B (3), after motor 20 starting just, slightly lingeringly reaches idling speed, then, continue to keep idling speed.
[time of ignition]
Characteristic line B (1) represents to continue to keep the time of ignition of regulation after engine start, relative therewith, and characteristic line A (1) expression gently becomes the postponement state by the time of ignition control of ECU62 from shifting to an earlier date state, and then postpones than top dead center (TDC).Thus, engine speed is continued to be maintained idling speed (with reference to characteristic line A (3)).
Air inlet system according to above-mentioned fuel injection engine 20, be located at throttle body 32 and walking around the bypass passageways 40 of closure 33, because the suction air flows of established amount, so, with closure 33 full cut-offs, make under the state of constantization of charge flow rate, by ECU62 control idling speed.Thus, by idling air quantity control gear such as the needed in the past isc valve of omission, automatic starters, thereby can reduce cost.This is suitable as the air inlet system of the vehicles such as cart in the warm area of pinning with fuel injection engine 20.
In addition, ECU62 is according to the fuel injection amount (with reference to the step 106 of Fig. 3) by the detected warm-up mode control of the water temperature of engine cooling water Fuelinjection nozzle 37.Thus, can obtain stable idling speed.In addition, ECU62 can also be according to the fuel injection amount of warm-up mode and/or engine speed control Fuelinjection nozzle 37 except the fuel injection amount according to warm-up mode control Fuelinjection nozzle 37.
In addition, ECU (control gear) 62 bases are by the detected warm-up mode control ignition moment of the water temperature of engine cooling water (with reference to the step 104 of Fig. 3).Thus, can obtain stable idling speed.In addition, ECU62 except according to the warm-up mode control ignition constantly, can also be constantly according to warm-up mode and/or engine speed control ignition.
In addition, use which control mode in the control of control, D-J mode of α-N mode all can carry out the calculating of basic emitted dose of the fuel injection amount of Fuelinjection nozzle 37.In addition, as known in the art, α-N mode is that the relation according to throttle opening and engine speed calculates the suction air quantity, determines basic emitted dose.In addition, the D-J mode is that the relation according to suction pressure (negative suction) and engine speed calculates the suction air quantity, determines basic emitted dose.In addition, α-N mode is subjected to being attached to the influence of dirt of the channel wall of gas-entered passageway easily, but under the situation that bypass passageways 40 is set, can alleviate the influence of this dirt, so, under the situation that is provided with bypass passageways 40, also can adopt the control of α-N mode.
In addition, as shown in Figure 4, the throttle body 32 in the engine system 10 (with reference to Fig. 1) of the foregoing description 1 can be changed to the throttle body 321 that has omitted air inlet pressure sensor 43.
Embodiment 2
The following describes embodiments of the invention 2.Present embodiment has changed the part of the engine system 10 (with reference to Fig. 1) of the foregoing description 1, so, its change part is elaborated, the repetitive description thereof will be omitted.In addition, Fig. 5 is the summary pie graph that engine system is shown.
As shown in Figure 5, present embodiment changes to the throttle body 322 that has omitted bypass passageways 40 with the throttle body 32 in the engine system (with reference to Fig. 1) of the foregoing description 1.
In the present embodiment, make closure 33 for regulation aperture, state with constantization of charge flow rate under, by ECU62 control idling speed.At this, the regulation aperture of closure 33 is meant for example for can obtain the aperture of the suction air inflow suitable with the suction air inflow that flows in the bypass passageways 40 of the foregoing description 1.Therefore, by present embodiment, also can obtain effect and the effect same with the foregoing description 1.In addition, by having omitted idling air quantity control gear and bypass passageways 40 simultaneously, thereby further simplified structure reduces cost.
The invention is not restricted to the foregoing description, can change in the scope that does not break away from main idea of the present invention.For example, the invention is not restricted to single-cylinder engine, also applicable to multicylinder engine.In addition, the invention is not restricted to two-wheel vehicle used fuel injection engine, also the fuel injection engine of using applicable to four-wheel wagon.In addition, the warm-up mode of motor is except learning by the water temperature of measuring engine cooling water, and the temperature of oil temperature that also can be by the detection of engine wet goods, viscosity, motor etc. detects.

Claims (4)

1. the air inlet system of a fuel injection engine comprises:
Throttle body, the part of the gas-entered passageway that formation is communicated with the firing chamber of motor;
Closure opens and closes the gas-entered passageway of above-mentioned throttle body;
Fuelinjection nozzle injects fuel into above-mentioned gas-entered passageway;
Fuel supplying device is used to supply fuel to above-mentioned Fuelinjection nozzle;
Control gear is controlled the fuel injection amount from above-mentioned fuel injection valves inject, it is characterized in that,
At above-mentioned throttle body bypass passageways is set, this bypass passageways is walked around above-mentioned closure and is flow through the suction air of established amount,
With above-mentioned closure full cut-off, make under the state of constantization of charge flow rate, by above-mentioned control gear control idling speed.
2. the air inlet system of a fuel injection engine comprises:
Throttle body, the part of the gas-entered passageway that formation is communicated with the firing chamber of motor;
Closure opens and closes the gas-entered passageway of above-mentioned throttle body;
Fuelinjection nozzle injects fuel into above-mentioned gas-entered passageway;
Fuel supplying device is used to supply fuel to above-mentioned Fuelinjection nozzle;
Control gear is controlled the fuel injection amount from above-mentioned fuel injection valves inject, it is characterized in that,
In that to make above-mentioned closure be the regulation aperture, make under the state of constantization of charge flow rate, by above-mentioned control gear control idling speed.
3. the air inlet system of fuel injection engine according to claim 1 and 2 is characterized in that,
The fuel injection amount that above-mentioned control gear is controlled above-mentioned Fuelinjection nozzle according to the warm-up mode and/or the engine speed of above-mentioned motor.
4. according to the air inlet system of each described fuel injection engine in the claim 1~3, it is characterized in that,
Above-mentioned control gear is according to the warm-up mode and/or the engine speed control ignition moment of above-mentioned motor.
CNA2007101871993A 2006-12-28 2007-11-28 Air input device for fuel injection engine Pending CN101210533A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006355125A JP2008163860A (en) 2006-12-28 2006-12-28 Intake device of fuel injection type engine
JP2006355125 2006-12-28

Publications (1)

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CN101210533A true CN101210533A (en) 2008-07-02

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Application Number Title Priority Date Filing Date
CNA2007101871993A Pending CN101210533A (en) 2006-12-28 2007-11-28 Air input device for fuel injection engine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104975968A (en) * 2014-04-10 2015-10-14 爱三工业株式会社 Fuel injection dose control device for engine
CN113614348A (en) * 2019-03-25 2021-11-05 株式会社丰田自动织机 Engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104975968A (en) * 2014-04-10 2015-10-14 爱三工业株式会社 Fuel injection dose control device for engine
CN113614348A (en) * 2019-03-25 2021-11-05 株式会社丰田自动织机 Engine
CN113614348B (en) * 2019-03-25 2023-10-13 株式会社丰田自动织机 Engine with a motor

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Open date: 20080702