EP1881184A1 - Petrol saving structure of a motor vehicle - Google Patents
Petrol saving structure of a motor vehicle Download PDFInfo
- Publication number
- EP1881184A1 EP1881184A1 EP06014924A EP06014924A EP1881184A1 EP 1881184 A1 EP1881184 A1 EP 1881184A1 EP 06014924 A EP06014924 A EP 06014924A EP 06014924 A EP06014924 A EP 06014924A EP 1881184 A1 EP1881184 A1 EP 1881184A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- engine
- rotating speed
- circuit board
- controlling circuit
- controlling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/023—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio shifting
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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
- F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
- F02D35/0023—Controlling air supply
- F02D35/003—Controlling air supply by means of by-pass passages
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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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
- F02D41/1488—Inhibiting the regulation
- F02D41/1489—Replacing of the control value by a constant
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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
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/11—After-sales modification devices designed to be used to modify an engine afterwards
Definitions
- the present invention relates to a petrol saving structure of a motor vehicle, more particularly one, which is equipped with an oxygen-detecting voltage controlling device for sending a stable voltage feedback to the engine computer such that the engine computer is prevented from making a correction through increasing amount of petrol injected through an injection nozzle, thus saving petrol.
- a currently existing petrol saving structure of a motor vehicle includes an air filter 91, an air-regulating gate 92, a by-pass electromagnetic valve 93, and an engine 94.
- the air filter 91 is used for filtering air such that the air can be mixed with petrol sufficiently, and it communicates with the atmosphere at one end, and is connected to one end of an inlet manifold 911 at the other end.
- the inlet manifold 911 is connected to an inlet by-pass pipe 912, and the engine 94 at the other end.
- the air-regulating gate 92 is positioned in that portion of the inlet manifold 911 that faces an outlet of the air filter 91, and it is controlled by means of n engine computer for regulating airflow.
- the by-pass electromagnetic valve 93 is connected to the inlet by-pass pipe 912 for regulating airflow.
- the engine 94 is connected to the inlet manifold 911 at one side, and connected to exhaust pipes 941 at the other side, and it is controlled for a proper amount of petrol to be injected through an injection nozzle according to the opening angle of the air-regulating gate 92 by means of the engine computer, which petrol will be sufficiently mixed with air flowing in through the inlet manifold 911 at an optimal air/fuel ratio such that the engine rotates at a proper speed according to air inflow amount through the inlet manifold 911.
- the above structure has the following disadvantages.
- the engine When the petrol saving structure is used, and the air-regulating gate opens fifteen degrees, the engine will be set at a rotating speed of two thousand revolutions; because the inlet by-pass pipe has the by-pass electromagnetic valve connected thereto, the inlet by-pass pipe will open only thirteen degrees, and the by-pass electromagnetic valve will function to make up for the remaining two degrees; although the user will feel the accelerator pedal become sensitive, and the horse power increase, the engine computer of the engine, which is equipped with a high-tech detecting and petrol-injection controlling system, will detect leakage of the inlet manifold, and next make the injection nozzle inject increased amount of petrol to make up for the leaking fuel such that the air/fuel ratio reaches the optimal value (13.7 to 1). Consequently, petrol is wasted because the amount of petrol injected through the injection nozzle is greater than necessary.
- the petrol saving structure of the present invention includes an oxygen-detecting voltage controlling device includes an air filter, an electromagnetic valve, and a controlling circuit board, which is electrically connected to an engine computer for obtaining a current rotating speed value of an engine and for sending a stable voltage to the engine computer to prevent the engine computer from making a correction by increasing amount of petrol injected through an injection nozzle.
- a start adjustment knob and a stop adjustment knob are fitted on the oxygen-detecting voltage controlling device and connected to the controlling circuit board for setting first and second rotating speed values respectively.
- the controlling circuit board will be activated and start sending a stable voltage to the engine computer when the current rotating speed of the engine is between the first and the second rotating speed values set through the start adjustment knob and the stop adjustment knob, thus saving petrol.
- a preferred embodiment of a petrol saving structure of a motor vehicle includes an air filter 1, an air-regulating gate 2, an engine 3, and an oxygen-detecting voltage controlling device 4.
- the air filter 1 is used for filtering air such that the air can be sufficiently mixed with petrol.
- the air filter 1 communicates with the atmosphere at one end, and is connected to one end of an inlet manifold 11 at the other end.
- the inlet manifold 11 is connected to an inlet by-pass pipe 12, and the engine 3 at the other end.
- the air-regulating gate 2 is positioned in that portion of the inlet manifold 11 that faces an outlet of the air filter 1, and it is controlled by means of an engine computer 5 for regulating airflow.
- the engine 3 is connected to the inlet manifold 11 at one side, and connected to exhaust pipes 31 at the other side, and it is controlled for a proper amount of petrol to be injected through an injection nozzle according to the opening angle of the air-regulating gate 2 by means of the engine computer 5, which petrol will be sufficiently mixed with air flowing in through the inlet manifold 11 at an optimal air/fuel ratio such that the engine rotates at a proper speed according to air inflow amount through the inlet manifold 11.
- the oxygen-detecting voltage controlling device 4 includes an air filter 41, an electromagnetic valve 42, and a controlling circuit board 43.
- the air filter 41 is positioned next to an air inlet for filtering air.
- the electromagnetic valve 42 is used for controlling the amount of airflow.
- the controlling circuit board 43 are electrically connected to the engine computer 5 by means of controlling signal wires 44; thus, current rotating speed value of the engine 3 will be sent to the controlling circuit board 43 through the controlling signal wires 44, and the controlling circuit board 43 is used for sending a stable voltage to the engine computer 5 so as to prevent the engine computer 5 from making a correction by increasing the amount of petrol injected through the injection nozzle.
- the oxygen-detecting voltage controlling device 4 has a start adjustment knob 45, a stop adjustment knob 46, and an indicating lamp 47 fitted thereon, which are electrically connected to the controlling circuit board 43; the start adjustment knob 45 is used for setting a first (lower) engine rotating speed value while the stop adjustment knob 46 is used for setting a second (higher) engine rotating speed value greater than the first engine rotating speed value.
- the controlling circuit board 43 will be activated and start sending a stable voltage to the engine computer 5 as soon as the rotating speed of the engine 3 reaches the first (lower) engine rotating speed value; thus, the engine computer 5 is prevented from increasing the amount of petrol injected through the injection nozzle.
- controlling circuit board 43 will be turned off and stop sending a stable voltage to the engine computer 5 as soon as the rotating speed of the engine 3 reaches the second (higher) engine rotating speed value.
- the indicating lamp 43 will shine when the controlling circuit board 43 is sending a stable voltage to the engine computer 5.
- first a first (lower) engine rotating speed value, and a second (higher) engine rotating speed value are set according to the engine displacement and the kind of the motor vehicle by means of using the start adjustment knob 45 and the stop adjustment knob 46 such that a current rotating speed of the engine will be between the first and the second engine rotating speed values during gear shifting. Therefore, the oxygen-detecting voltage controlling device 4 will send a stable voltage feedback to the engine computer 5 during gear shifting, and in turn the engine computer 5 won't increase the amount of petrol injected through the injection nozzle, thus saving petrol.
- the petrol saving structure of a motor vehicle of the present invention has the following advantage: during gear shifting, a current rotating speed of the engine will be between the first and the second engine rotating speed values set by means of the start adjustment knob and the stop adjustment knob, and the oxygen-detecting voltage controlling device will send a stable voltage feedback to the engine computer to prevent the engine computer from increasing the amount of petrol injected through the injection nozzle. Consequently, it will save petrol to use the present invention.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
An oxygen-detecting voltage controlling device includes an air filter, an electromagnetic valve, and a controlling circuit board, which is electrically connected to an engine computer for obtaining a current rotating speed value of an engine and sending a stable voltage to the engine computer to stop the engine computer from making correction by increasing amount of petrol injected through an injection nozzle; two adjustment knobs are fitted on the oxygen detecting and voltage controlling device and connected to the controlling circuit board for setting first and second rotating speed values respectively; the controlling circuit board will be activated and start sending a stable voltage to the engine computer immediately after rotating speed of the engine reaches the first rotating speed value; the controlling circuit board will be turned off and stop sending a stable voltage immediately after rotating speed of the engine reaches the second rotating speed value.
Description
- The present invention relates to a petrol saving structure of a motor vehicle, more particularly one, which is equipped with an oxygen-detecting voltage controlling device for sending a stable voltage feedback to the engine computer such that the engine computer is prevented from making a correction through increasing amount of petrol injected through an injection nozzle, thus saving petrol.
- Referring to Fig. 6, a currently existing petrol saving structure of a motor vehicle includes an
air filter 91, an air-regulatinggate 92, a by-passelectromagnetic valve 93, and anengine 94. - The
air filter 91 is used for filtering air such that the air can be mixed with petrol sufficiently, and it communicates with the atmosphere at one end, and is connected to one end of aninlet manifold 911 at the other end. Theinlet manifold 911 is connected to an inlet by-pass pipe 912, and theengine 94 at the other end. - The air-regulating
gate 92 is positioned in that portion of theinlet manifold 911 that faces an outlet of theair filter 91, and it is controlled by means of n engine computer for regulating airflow. - The by-pass
electromagnetic valve 93 is connected to the inlet by-pass pipe 912 for regulating airflow. - The
engine 94 is connected to theinlet manifold 911 at one side, and connected toexhaust pipes 941 at the other side, and it is controlled for a proper amount of petrol to be injected through an injection nozzle according to the opening angle of the air-regulatinggate 92 by means of the engine computer, which petrol will be sufficiently mixed with air flowing in through theinlet manifold 911 at an optimal air/fuel ratio such that the engine rotates at a proper speed according to air inflow amount through theinlet manifold 911. - However, the above structure has the following disadvantages. When the petrol saving structure is used, and the air-regulating gate opens fifteen degrees, the engine will be set at a rotating speed of two thousand revolutions; because the inlet by-pass pipe has the by-pass electromagnetic valve connected thereto, the inlet by-pass pipe will open only thirteen degrees, and the by-pass electromagnetic valve will function to make up for the remaining two degrees; although the user will feel the accelerator pedal become sensitive, and the horse power increase, the engine computer of the engine, which is equipped with a high-tech detecting and petrol-injection controlling system, will detect leakage of the inlet manifold, and next make the injection nozzle inject increased amount of petrol to make up for the leaking fuel such that the air/fuel ratio reaches the optimal value (13.7 to 1). Consequently, petrol is wasted because the amount of petrol injected through the injection nozzle is greater than necessary.
- It is a main object of the invention to provide an improvement on a petrol saving structure of a motor vehicle to overcome the above-mentioned problems.
- The petrol saving structure of the present invention includes an oxygen-detecting voltage controlling device includes an air filter, an electromagnetic valve, and a controlling circuit board, which is electrically connected to an engine computer for obtaining a current rotating speed value of an engine and for sending a stable voltage to the engine computer to prevent the engine computer from making a correction by increasing amount of petrol injected through an injection nozzle. A start adjustment knob and a stop adjustment knob are fitted on the oxygen-detecting voltage controlling device and connected to the controlling circuit board for setting first and second rotating speed values respectively. The controlling circuit board will be activated and start sending a stable voltage to the engine computer when the current rotating speed of the engine is between the first and the second rotating speed values set through the start adjustment knob and the stop adjustment knob, thus saving petrol.
- The present invention will be better understood by referring to the accompanying drawings, wherein:
- Fig. 1 is a perspective view of the present invention,
- Fig. 2 is a top view of the present invention,
- Fig. 3 is a partial lateral sectional view of the present invention,
- Fig. 4 is a perspective view of the present invention in use,
- Fig. 5 is a circuit diagram of the controlling circuit board in the present invention, and
- Fig. 6 is a perspective view of the prior art.
- Referring to Figs. 1 to 5, a preferred embodiment of a petrol saving structure of a motor vehicle includes an
air filter 1, an air-regulatinggate 2, anengine 3, and an oxygen-detecting voltage controllingdevice 4. - The
air filter 1 is used for filtering air such that the air can be sufficiently mixed with petrol. Theair filter 1 communicates with the atmosphere at one end, and is connected to one end of aninlet manifold 11 at the other end. Theinlet manifold 11 is connected to an inlet by-pass pipe 12, and theengine 3 at the other end. - The air-regulating
gate 2 is positioned in that portion of theinlet manifold 11 that faces an outlet of theair filter 1, and it is controlled by means of anengine computer 5 for regulating airflow. - The
engine 3 is connected to theinlet manifold 11 at one side, and connected toexhaust pipes 31 at the other side, and it is controlled for a proper amount of petrol to be injected through an injection nozzle according to the opening angle of the air-regulatinggate 2 by means of theengine computer 5, which petrol will be sufficiently mixed with air flowing in through theinlet manifold 11 at an optimal air/fuel ratio such that the engine rotates at a proper speed according to air inflow amount through theinlet manifold 11. - The oxygen-detecting voltage controlling
device 4 includes anair filter 41, anelectromagnetic valve 42, and a controllingcircuit board 43. Theair filter 41 is positioned next to an air inlet for filtering air. Theelectromagnetic valve 42 is used for controlling the amount of airflow. The controllingcircuit board 43 are electrically connected to theengine computer 5 by means of controllingsignal wires 44; thus, current rotating speed value of theengine 3 will be sent to the controllingcircuit board 43 through the controllingsignal wires 44, and the controllingcircuit board 43 is used for sending a stable voltage to theengine computer 5 so as to prevent theengine computer 5 from making a correction by increasing the amount of petrol injected through the injection nozzle. - The oxygen-detecting voltage controlling
device 4 has astart adjustment knob 45, astop adjustment knob 46, and an indicatinglamp 47 fitted thereon, which are electrically connected to the controllingcircuit board 43; thestart adjustment knob 45 is used for setting a first (lower) engine rotating speed value while thestop adjustment knob 46 is used for setting a second (higher) engine rotating speed value greater than the first engine rotating speed value. The controllingcircuit board 43 will be activated and start sending a stable voltage to theengine computer 5 as soon as the rotating speed of theengine 3 reaches the first (lower) engine rotating speed value; thus, theengine computer 5 is prevented from increasing the amount of petrol injected through the injection nozzle. And, the controllingcircuit board 43 will be turned off and stop sending a stable voltage to theengine computer 5 as soon as the rotating speed of theengine 3 reaches the second (higher) engine rotating speed value. The indicatinglamp 43 will shine when the controllingcircuit board 43 is sending a stable voltage to theengine computer 5. - Referring to Figs. 1 to 4, to use the oxygen-detecting voltage controlling
device 4 on a motor vehicle, first a first (lower) engine rotating speed value, and a second (higher) engine rotating speed value are set according to the engine displacement and the kind of the motor vehicle by means of using thestart adjustment knob 45 and thestop adjustment knob 46 such that a current rotating speed of the engine will be between the first and the second engine rotating speed values during gear shifting. Therefore, the oxygen-detecting voltage controllingdevice 4 will send a stable voltage feedback to theengine computer 5 during gear shifting, and in turn theengine computer 5 won't increase the amount of petrol injected through the injection nozzle, thus saving petrol. - From the above description, it can be seen that the petrol saving structure of a motor vehicle of the present invention has the following advantage: during gear shifting, a current rotating speed of the engine will be between the first and the second engine rotating speed values set by means of the start adjustment knob and the stop adjustment knob, and the oxygen-detecting voltage controlling device will send a stable voltage feedback to the engine computer to prevent the engine computer from increasing the amount of petrol injected through the injection nozzle. Consequently, it will save petrol to use the present invention.
Claims (2)
- A petrol saving structure of a motor vehicle, comprising(a) an inlet by-pass pipe (12); and(b) an oxygen-detecting voltage controlling device (4) connected to the inlet by-pass pipe (12); the oxygen-detecting voltage controlling device (4) including:an air filter (1) positioned next to an air inlet (11) for filtering air;an electromagnetic valve (42);a controlling circuit board (43), the controlling circuit board (43) being electrically connected to an engine computer (5) by means of a plurality of controlling signal wires (44) such that a current rotating speed value of an engine will be sent to the controlling circuit board (43) through the controlling signal wires (44); the controlling circuit board (43) being provided for sending a stable voltage through the controlling signal wires (44) to the engine computer (5) so as to stop the engine computer (5) from making correction by increasing amount of petrol injected through an injection nozzle; anda start adjustment knob (45) electrically connected to the controlling circuit board (43) for setting a first engine rotating speed value; the controlling circuit board (43) being going to be activated and start sending a stable voltage to the engine computer (5) as soon as a rotating speed of the engine (3) reaches the first engine rotating speed value;a stop adjustment knob (46) electrically connected to the controlling circuit board (43) for setting a second engine rotating speed value, which is greater than the first engine rotating speed value; the controlling circuit board (43) being going to be turned off and stop sending a stable voltage to the engine computer (5) as soon as a rotating speed of the engine (3) reaches the second engine rotating speed value.
- The petrol saving structure of a motor vehicle as recited in claim 1, wherein the oxygen-detecting voltage controlling device (4) has an indicating lamp (47) fitted thereon for indicating that the controlling circuit board (43) is sending a stable voltage to the engine computer (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06014924A EP1881184A1 (en) | 2006-07-18 | 2006-07-18 | Petrol saving structure of a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06014924A EP1881184A1 (en) | 2006-07-18 | 2006-07-18 | Petrol saving structure of a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1881184A1 true EP1881184A1 (en) | 2008-01-23 |
Family
ID=37546852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06014924A Withdrawn EP1881184A1 (en) | 2006-07-18 | 2006-07-18 | Petrol saving structure of a motor vehicle |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1881184A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2089073A (en) * | 1980-11-27 | 1982-06-16 | Fuji Heavy Ind Ltd | Air-fuel ratio control system |
GB2092335A (en) * | 1981-01-16 | 1982-08-11 | Fuji Heavy Ind Ltd | Air-fuel ratio control system |
DE3340518A1 (en) * | 1982-11-10 | 1984-05-10 | Fuji Jukogyo K.K., Tokyo | ARRANGEMENT FOR REGULATING THE AIR FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE |
US4691675A (en) * | 1985-07-11 | 1987-09-08 | Mazda Motor Corp. | Idling speed control systems for internal combustion engines |
US5697354A (en) * | 1995-03-07 | 1997-12-16 | Sanshin Kogyo Kabushiki Kaisha | Marine engine fuel control system |
-
2006
- 2006-07-18 EP EP06014924A patent/EP1881184A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2089073A (en) * | 1980-11-27 | 1982-06-16 | Fuji Heavy Ind Ltd | Air-fuel ratio control system |
GB2092335A (en) * | 1981-01-16 | 1982-08-11 | Fuji Heavy Ind Ltd | Air-fuel ratio control system |
DE3340518A1 (en) * | 1982-11-10 | 1984-05-10 | Fuji Jukogyo K.K., Tokyo | ARRANGEMENT FOR REGULATING THE AIR FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE |
US4691675A (en) * | 1985-07-11 | 1987-09-08 | Mazda Motor Corp. | Idling speed control systems for internal combustion engines |
US5697354A (en) * | 1995-03-07 | 1997-12-16 | Sanshin Kogyo Kabushiki Kaisha | Marine engine fuel control system |
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