WO1981001171A1 - A method of a voiding abnormal combustion in an internal combustion engine and an arrangement for carrying out the method - Google Patents
A method of a voiding abnormal combustion in an internal combustion engine and an arrangement for carrying out the method Download PDFInfo
- Publication number
- WO1981001171A1 WO1981001171A1 PCT/SE1980/000254 SE8000254W WO8101171A1 WO 1981001171 A1 WO1981001171 A1 WO 1981001171A1 SE 8000254 W SE8000254 W SE 8000254W WO 8101171 A1 WO8101171 A1 WO 8101171A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine
- pressure
- signal
- combustion
- transducer
- Prior art date
Links
Classifications
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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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
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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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
- F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/225—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1015—Engines misfires
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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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the present invention relates to a method of avoiding abnormal combustion, so-called knocking, in an internal combustion engine, preferably of the Otto—type, there being a transducer arranged on the engine to sense a parameter responding to the engine combustion, e.g. prevailing pressure and/or temperature conditions of the engine, and to transmit an output signal corresponding to such a parameter value for controlling at least one means regulating the combustion.
- the invention alse relates to an arrangement on an internal combustion engine for carrying out the method. In Otto-type engines it is known that knocking can occur in certain operating conditions, especially when the engine is heavily loaded.
- knocking is meant an uncontrolled combustion of an explosive nature in the cylinders of an engine, and it is generated by inducted fuel-air mixture being locally ignited in the combustion chamber before a flame front starting from the spark plug has caused ignition.
- the engine is thus subjected to high temperature and pressure stresses which can lead to mechanical engine damage.
- the present invention has the object of controlling the c ⁇ nbustion in an engine in response to the output signal of a transducer such that the above-mentioned disadvantages in the known technique do not occur.
- the invention is thus distinguished in that the output signal from a transdcer of the land mentioned in the introduction is utilized for achieving a reduction of the engine induction pressure when the parameter value sensed by the transducer represents abnormally high pressure ard/or temperature conditions during combustion in the engine.
- the induction pressure of the engine is thus controlled in response to the transducer output signal.
- the reduced induction pressure results in a reduction of engine performance, since the fuel-air quantity fed to the engine decreases.
- alteration in the thermic efficiency is avoided with the use of the invention, i.e. the specific fuel consumption can be maintained unchanged.
- the exhaust gas pollutants can be maintained substantially unchanged, as well as exhaust gas temperature and demands on 'the engine cooling system.
- the output signal of the transducer is compared with a reference signal representing the parameter value for optimum combustion.
- a deviation signal generated from said c ⁇ rparation thereby affects the engine induction pressure in response to the magnitude of the deviation. This increases the accuracy in .the control of the engine induction pressure and the engine performance loss caused by knocking sensed by the transducer can thus be kept down.
- the invention is distinguished by an arrangsnent in which an electronic unit connected to the engine is disposed for processing the transducer output signal and that means affecting the engine induction pressure are connected to the electronic unit and adapted for controlling the engine induction pressure in response to the signal processed in the electronic unit.
- Figure 1 schematically illustrates an arrangement for applying the inventive method and Figure 2 shows in the same way an advantageous embodiment of the arrangsnent illustated in Figure 1.
- a vibration level is obtained which is sensed by a transducer 2 connected to the engine 1.
- the transducer 2 gives an output signal which is amplified in a following amplifier 3 before it is applied to a comparator 4.
- the amplified output signal frcm the transducer 2 is compared in the comparator with a reference value frcm a reference value source 5, this value representing a vibration level in the engine corresponding to normal combustion.
- a possible deviation results in a corresponding output signal from the comparator, and after amplification in an amplifier 6 this signal is taken to an actuating means- 7 which in response thereto regulates the pressure in the engine induction syston 8.
- Combustion in the engine 1 is thus affected such that the vibration level subsequently sensed by the transducer 2 is successively reduced and finally results in that the comparator 4 no longer registers deviations.
- FIG. 2 A more developed embodiment of the inventive arrangement for an Otto-type engine provided with supercharging is illustrated in Figure 2.
- Said Otto-type engine includes the engine unit 10, an induction syst ⁇ -i 11 and an exhaust system 12.
- a turbo-type super-charger unit 13 includes a centrifugal compressor 14 incorporated in the induction system 11 , and an exhaust gas-driven turbine 15 incorporated in the exhaust gas system 12.
- a valve 16 is arranged to control the exhaust gas flow through a duct 17 leading past the turbine 15 and thus also controls the exhaust gas flow through the turbine 15.
- the rotational velocity of the turbine 15 is thus affected, and thereby the rotational velocity of the direct-driven compressor 14 also.
- Such alteration of rotational velocity causes variation in the pressure prevailing in the induction systan 11 downstream of the compressor 14, and is denoted "si ⁇ per-charging pressure" in continuation.
- the valve 16 conventionally comprises an actuating means 18 by which opening and closing of the valve 16 is controlled.
- the valve 16, here of the dish-type, is provided with a valve rod 19 rigidly connected to a diaphragm 20 arranged on the actuating means 18.
- the diaphragm 20 separates the actuating means 18 into an outer and inner chamber 22 and 23, respectively.
- the outer chamber 22 is supplied with supercharging pressure via a pipe 24.
- the inner chamber 23 is in cccmiunication with surrounding air, but also includes a helical spring 25 urging the valve 16 in closing direction.
- a pipe 26 provides cc ⁇ munication between the pipe 24 and the induction air-system upstream of the compressor 14.
- the portion of the pipe 24 between its connections to the induction air system 11 and the pipe 26 has a restricted through-flow area provided by a constriction 27, this area being significantly smaller than the corresponding area in the pipe 26, when a timing valve 28 in the pipe 26 is in an open position as illustrated in Figure 2.
- the air-flew through the pipe 26 is regulated by the timing valve 28, and thereby the pressure which controls the valve 16 via the pipe 24. Eegulation of the timing valve 28 is in response to a signal applied to said valve, the value of the signal representing the deviation between the actual super-charging pressure and the maximum supercharging pressure which is allowable for the engine to work optimally, i.e. without abnormal combustion with knocking tendences.
- the signal applied to the timing valve 28 is generated in an electronic unit, in which there is incorporated a transducer 30 in the form of a so-called accelerometer of a kind known per se.
- the transducer 30 normally is of piezo-electrical type and senses vibrations present in the engine walls, said vibrations being directly attributable to the pressure conditions prevailing in the engine 10 during combustion. In response thereto, the transducer 30 generates an output signal which is directly proportional to said pressure conditions.
- the output signal is sent via a connection 31 to an amplifying circuit 32 and in amplified form to a comparator 33.
- a reference signal is also applied to the comparator 33 via a connection 34.
- This signal is obtained by the distributor 35, conventionally mounted on the engine, generating a pulse train of a frequency directly corresponding to the engine revolution rate.
- the pulse train is fed via the connection 34 to a converter 36 in which the pulse train is converted into an output signal with a voltage varying in response to the frequency of the train.
- the signal level is thus directly proportional to the engine speed, but also serves as a direct reference value for the pressure conditions which should prevail during ccmbusti ⁇ n in an Otto-type engine which is working optimally.
- This signal is taken via a connection 38 to an integrator 40 and the processed output signal therefr ⁇ n is taken via a connection 41 to a potentiometer 42.
- the latter allows the signal level to be manually adjusted to a predetermined level for a specific engine, before the signal is applied to one input terminal of a comparator 44.
- Via a connection 45 there is applied to the second input terminal of the comparator a signal frcm a pressure transducer 46 which senses the supercharging pressure in the induction system 11 and transmits a signal corresponding thereto.
- the pressure transducer 46 is suitably adapted for transmitting an output signal within an upper super-charging range, within which range regulation of the super-charging pressure is significant frcm the point of view of knocking.
- the comparator 44 Depending on the difference between fed-in signals, the comparator 44 generates an output signal which is applied to a pulse modulator
- the signal is converted to a pulse train of constant frequency, but where the relation between the positive and negative portion of the period is dependent on the level of the output signal of the comparator 44.
- the pulse train from the pulse modulator 48 is amplified in an amplifier 49, which constitutes .the driving step for the timing valve 28.
- the latter functions in principle as a solenoid valve for opening and closing in pace with the changes between the positive and negative period portions of the pulse train.
- the components in the electronic unit described above comprise simple and well-known circuits in electronics, and are therefore not described further.
- the transducer 30 senses a similar normal vibration level in the engine 10.
- the level of the signal applied to the c ⁇ parator 33 thereby falls bel ⁇ w the level of the reference signal similarly applied to the comparator 33.
- the output signal of the comparator 33 thus assumes a level in proportion to the difference between the applied signal levels.
- Subsequent integration of the signals in the integrator 40 results in an output signal therefrom to the connection 41 which signal after possible adjustment in the potentiometer 42 is applied to the comparator 44 and there serves as a criterion level for the signal which is applied to the comparator 44 from the pressure transducer 46.
- the latter signal represents the actual super-charging pressure, while the signal functioning as a criterion represents the maximum permitted supercharging pressure for ensuring c ⁇ nbustion without knocking.
- the criterion level applied to the comparator 44 will be so high that the true level in the connection 45 will not exceed said criterion level.
- the output signal from the comparator 44 has a relatively high level and after conversion in the pulse modulator 48 there is obtained a pulse train where the portion of the period causing the timing valve 28 to keep the pipe 26 open is great relative to the period portion actuating the timing valve 28 to keep the pipe 26 closed.
- the transducer 30 senses an abnormally high vibration level as a result of knocking during combustion in the engine 10, it transmits a signal the level of which is higher than normal.
- the difference from the reference signal consequently decreases and this results in that the level of the output signal from the comparator 33 decreases as well as the output signal of the integrator 40.
- the latter signal represents a criterion level for the engine super-charging pressure, which furthermore corresponds to the maximum super-charging pressure permitted for current engine operating conditions. This results in that the level of the maximum permitted super-charging pressure is lowered relative to the normal case.
- the difference from the signal level in the connection 45, representing true super-charging pressure is eliminated, and the output signal from the comparator 44 changes level.
- the version illustrated in Figure 2 not only contains a comparison with respect to the engine vibration level, but also a second comparison with respect to the engine super-charging pressure.
- Said supercharging pressure comparison ensures that the engine is not supplied with a higher super-charging pressure than the criterion pressure set by the potentiometer 42, even if the engine is supplied with a fuel with a knocking tendency which is so low, i.e. the octane number is so high, that higher super-charging pressure per se could be supplied without knocking occuring during combustion. If the super-charging pressure comparison were not carried out, there would be no upper limit for the super-charging pressure in this case. Engine performance could thus reach levels for which the engine is not designed.
- an inventive embodiment according to Figure 2 includes further detail solutions, e.g. those having the task of ensuring that the engine is not subjected to excessivesly high super-charging pressure if a fault occurs in the system such as that the transducer ceases to function or rupture occurs in the pipes 24,26, etc.
- the invention can be modified in a plurality of alternative embodiments within the scope of the following patent claims.
- the number of transducers can thus be varied, and their output signal can be processed in different ways before it is permitted to actuate the means affecting the induction pressure. If more transducers are utilized, then different parameters can also be sensed.
- Said means can constitute an ordinary throttle in the induction system or a separate means directly or indirectly controlling the engine induction pressure.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE3049980T DE3049980C2 (US06566495-20030520-M00011.png) | 1979-10-29 | 1980-10-22 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7908944A SE427861B (sv) | 1979-10-29 | 1979-10-29 | Forfarande for att undvika onormala forbrenningar i en forbrenningsmotor samt arrangemang for utovande av forfarandet |
SE7908944 | 1979-10-29 |
Publications (1)
Publication Number | Publication Date |
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WO1981001171A1 true WO1981001171A1 (en) | 1981-04-30 |
Family
ID=20339181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1980/000254 WO1981001171A1 (en) | 1979-10-29 | 1980-10-22 | A method of a voiding abnormal combustion in an internal combustion engine and an arrangement for carrying out the method |
Country Status (8)
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2121878A (en) * | 1982-06-09 | 1984-01-04 | Fuji Heavy Ind Ltd | Control of ic engine turbocharging |
US4449367A (en) * | 1981-07-18 | 1984-05-22 | Nippon Soken, Inc. | Knocking control device for turbocharged internal combustion engine |
EP0111196A1 (en) * | 1982-12-14 | 1984-06-20 | FIAT AUTO S.p.A. | A regulation device for a turbo compressor unit for supercharging an internal combustion engine |
EP0117193A2 (en) * | 1983-02-16 | 1984-08-29 | AlliedSignal Inc. | Turbocharger control system |
US4615172A (en) * | 1984-02-21 | 1986-10-07 | Bbc Brown, Boveri & Company, Limited | Process for regenerating the exhaust-gas particle filter of internal-combustion engines |
EP0764775A1 (de) * | 1995-09-21 | 1997-03-26 | MC Micro Compact Car Aktiengesellschaft | Brennkraftmaschine mit einem Lader |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56167814A (en) * | 1980-05-28 | 1981-12-23 | Hitachi Ltd | Apparatus and method for controlling supercharger of internal combustion engine |
SE458290B (sv) * | 1981-02-19 | 1989-03-13 | Volvo Ab | Anordning foer styrning av laddtrycket i en turboladdad foerbraenningsmotor |
JPS57179372A (en) * | 1981-04-28 | 1982-11-04 | Nippon Soken Inc | Ignition timing control system for internal-combustion engine equipped with supercharger |
DE3344819A1 (de) * | 1983-12-12 | 1985-06-13 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur antriebsschlupfreduzierung fuer mit turbomotoren versehene kraftfahrzeuge |
US4688384A (en) * | 1985-04-15 | 1987-08-25 | The Jacobs Manufacturing Company | Braking boost pressure modulator and method |
GB2211245A (en) * | 1987-10-19 | 1989-06-28 | Stag Electronic Designs | Forced induction I.C. engine control system |
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US6332327B1 (en) | 2000-03-14 | 2001-12-25 | Hussmann Corporation | Distributed intelligence control for commercial refrigeration |
US6999996B2 (en) * | 2000-03-14 | 2006-02-14 | Hussmann Corporation | Communication network and method of communicating data on the same |
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Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1653877A (en) * | 1925-09-11 | 1927-12-27 | Schaff Albert | Explosion engine |
US2558968A (en) * | 1943-12-13 | 1951-07-03 | Niles Bement Pond Co | Apparatus for controlling the intake manifold pressure of internal-combustion engines |
US2450882A (en) * | 1944-03-22 | 1948-10-12 | Sperry Corp | Detonation suppression system |
US2467732A (en) * | 1944-08-30 | 1949-04-19 | California Research Corp | Preignition detection and control |
US2595524A (en) * | 1945-07-19 | 1952-05-06 | Phillips Petroleum Co | Apparatus for controlling internal-combustion engines |
US2958317A (en) * | 1958-03-04 | 1960-11-01 | Campbell Pilcher | Anti-detonant system for internal combustion engines |
DE2326989A1 (de) * | 1973-05-26 | 1974-12-12 | Daimler Benz Ag | Otto-motor mit einem turbolader und einer entgiftungsanlage |
IT993371B (it) * | 1973-09-24 | 1975-09-30 | Snam Progetti | Sistema automatico di soppressione del rumore di fondo su apparecchia ture per la misura del battito in testa |
DE2449836A1 (de) * | 1974-10-19 | 1976-04-29 | Bosch Gmbh Robert | Einrichtung zur regelung des betriebsverhaltens einer brennkraftmaschine |
US4012942A (en) * | 1976-05-17 | 1977-03-22 | General Motors Corporation | Borderline spark knock detector |
DE2650033C2 (de) * | 1976-10-30 | 1984-12-20 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Vorrichtung zur Regelung des Ladeluftdruckes bei einer mit einem Abgas-Turbolader versehenen Brennkraftmaschine |
DE2802202C2 (de) * | 1978-01-19 | 1986-09-04 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Erfassung von Druckschwankungen im Brennraum einer Brennkraftmaschine |
JPS54109529A (en) * | 1978-02-15 | 1979-08-28 | Nippon Denso Co Ltd | Ignition timing controller for internal combustion engine |
JPS6047476B2 (ja) * | 1978-03-02 | 1985-10-22 | トヨタ自動車株式会社 | 内燃機関用点火時期制御装置 |
JPS5813749B2 (ja) * | 1978-04-28 | 1983-03-15 | 株式会社豊田中央研究所 | ノツキング制御装置 |
DE2842685B1 (de) * | 1978-09-30 | 1980-01-24 | Volkswagenwerk Ag | Brennkraftmaschine mit einem Abgasturbolader |
JPS5620717A (en) * | 1979-07-30 | 1981-02-26 | Nissan Motor Co Ltd | Knocking controller for turbo-charger |
-
1979
- 1979-10-29 SE SE7908944A patent/SE427861B/sv not_active IP Right Cessation
-
1980
- 1980-05-21 US US06/151,897 patent/US4372119A/en not_active Expired - Lifetime
- 1980-10-22 GB GB8118774A patent/GB2074238B/en not_active Expired
- 1980-10-22 JP JP55502422A patent/JPS621094B2/ja not_active Expired
- 1980-10-22 WO PCT/SE1980/000254 patent/WO1981001171A1/en active Application Filing
- 1980-10-22 DE DE3049980T patent/DE3049980C2/de not_active Expired - Lifetime
- 1980-10-24 FR FR8022816A patent/FR2468750B1/fr not_active Expired
- 1980-10-29 IT IT68647/80A patent/IT1129343B/it active
Non-Patent Citations (1)
Title |
---|
Sae Technical Paper Series, No. 800833, "Knock Detector System Controlling Turbocharger Boost Pressure" Oral Disclosure Made Available to the Public, June 9-13, 1980 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4449367A (en) * | 1981-07-18 | 1984-05-22 | Nippon Soken, Inc. | Knocking control device for turbocharged internal combustion engine |
GB2121878A (en) * | 1982-06-09 | 1984-01-04 | Fuji Heavy Ind Ltd | Control of ic engine turbocharging |
EP0111196A1 (en) * | 1982-12-14 | 1984-06-20 | FIAT AUTO S.p.A. | A regulation device for a turbo compressor unit for supercharging an internal combustion engine |
EP0117193A2 (en) * | 1983-02-16 | 1984-08-29 | AlliedSignal Inc. | Turbocharger control system |
EP0117193A3 (en) * | 1983-02-16 | 1984-11-07 | The Bendix Corporation | Turbocharger control system |
US4615172A (en) * | 1984-02-21 | 1986-10-07 | Bbc Brown, Boveri & Company, Limited | Process for regenerating the exhaust-gas particle filter of internal-combustion engines |
EP0764775A1 (de) * | 1995-09-21 | 1997-03-26 | MC Micro Compact Car Aktiengesellschaft | Brennkraftmaschine mit einem Lader |
Also Published As
Publication number | Publication date |
---|---|
IT8068647A0 (it) | 1980-10-29 |
GB2074238A (en) | 1981-10-28 |
JPS56501376A (US06566495-20030520-M00011.png) | 1981-09-24 |
JPS621094B2 (US06566495-20030520-M00011.png) | 1987-01-12 |
FR2468750B1 (fr) | 1987-02-13 |
SE7908944L (sv) | 1981-04-30 |
FR2468750A1 (fr) | 1981-05-08 |
US4372119A (en) | 1983-02-08 |
DE3049980C2 (US06566495-20030520-M00011.png) | 1987-06-04 |
SE427861B (sv) | 1983-05-09 |
GB2074238B (en) | 1983-06-15 |
IT1129343B (it) | 1986-06-04 |
DE3049980T1 (US06566495-20030520-M00011.png) | 1982-03-18 |
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