TW311159B - A control system and method for controlling a pump - Google Patents

Abstract

A control system and method for controlling a pump (1) having a fluid passage (17) therein, including a sensing means (4) for sensing fluid flow through the passage (17), in which the control system controls the actuation period of the pump (1) as a function of a characteristic of the fluid flow sensed by the sensing means (4). The sensed characteristic is the quantum rate of fluid flow through the fluid passage (17).

Description

|! i.311159 A7 B7

Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention () This invention relates to pumps used for pumping skeletal skeletons, and in particular to liquids and control systems for such pumps. The present invention will be described in connection with the lubrication system for an internal combustion engine, although we should be aware that other applications are also conceived. The important thing about the lubrication system of the internal combustion engine is that the oil is transferred to various moving surfaces and components of the engine at an appropriate rate. This is of particular importance for crankcase-driven, two-stroke internal combustion engines, in which oil is consumed during engine operation and is typically not completely recycled like a traditional four-stroke engine. Therefore, the fuel delivery rate needs to be carefully controlled to ensure that the minimum composite exhaust gas is discharged, to prevent any engine's catalytic devices caused by excessive oil in the exhaust gas from polluting M and extending the period between oil refills. In general, the required rate of oil delivery varies widely depending on the engine, engine load and speed operating point, previous operating history of the engine, and various other operating conditions. For example, for some two-stroke cycle engines, the fuel ratio can typically vary between 400: 1 under low A load and idling conditions and 80: 1 under high load conditions. Such conditions can typically be determined by various sensors and a control system can control the oil transfer rate from the pump. The control system can be set outside the pump itself or integrated with the pump itself. The oil transfer rate from the pump is also affected by several factors such as the viscosity of the oil and the power provided by the battery source acting on the pump. Higher than normal oil viscosity and lower than normal battery charge will result in a lower rate than expected oil transfer rate from the pump. Other factors that will typically affect the oil delivery rate include oil supply and / or barriers in the delivery pipeline, air subsidence in the oil system or lack of oil supply. In addition, the transient changes in the engine operating conditions, such as a long-term operation under a low load and speed, the paper scale is applicable to the Chinese National Standard (CNS) A4 grid (2 丨 OX 297mm) (Please read the notes on the back first (Fill in this page again) Binding 4 Α7 Β7 Printed by the Employees Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs

5. Description of the invention () When entering a higher load and speed operating point, the fuel supply rate may be affected, so that the delay of the fuel supply rate increases more than desired. It is convenient to use any oil that has accumulated in the engine during the previous lotus period. However, it has not previously been possible to conveniently control the pump so that the above factors can be taken into account to ensure correct and consistent oil or fluid transfer rates. An object of the present invention is to provide a pump control system that takes into account at least one of the above factors. Keeping this in mind, one aspect of the present invention is to provide a control system for controlling the pump and the pump has a fluid channel therein, including a sensing device for sensing the fluid flow through the fluid channel. Among them, the control system is to control the pumping period of the pump to serve as the characteristic function of the fluid flow sensed by the sensing device. -· »* According to another aspect of the present invention, Nong provides a method of controlling the pump and the pump has a fluid channel and a sensing device for sensing the flow of the roller body flowing through the fluid channel, the The method includes controlling the characteristic P-number of the flow of the flow skeleton sensed by the pump as the sensing device during the period of the tit period. The fluid flow characteristics sensed by the sensing device can be conveniently related to at least one of the above factors, and therefore the sensing of this characteristic takes such factors into account. The sensed characteristic can be conveniently the fluid flow through the fluid channel. The pump conveniently pumps fluid during pump entrainment and the fluid generated during the entrainment flows through the rolling skull channel. The pumping period of the pump decreases when the volume selection rate of the body is selected: it can be conveniently increased and decreases when the fluid flow rate increases. In addition • '·-:' V. "-· * · ^ In addition, the i cycle can be fixed at a preset value. (Please read the precautions on the back before filling out this page)-Packing. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 5 3iii59 A7 B7 5. Invention description () Ministry of Economy Central Standard Staff Consumption The cooperative Duyin sensing device may include a displacement sensor for sensing the displacement of the flow-responsive member located in the fluid channel ** ~. The flow-responsive member can be conveniently displaced in response to the fluid flow through the fluid channel, and the displacement of the flow-responsive structure is related to the fluid flow rate and / or fluid volume (ie, product). The displacement of the flow-responsive member can be conveniently increased with an increasing flow rate and decreasing with a decreasing fluid flow rate and / or volume. The sensing device may however include a different type of sensing device such as a large number of flow sensors. •-, _ The fluid channel can be one of the inlet channels of the pump so that the sensing device can sense the fluid flowing into the pump. In addition, the fluid channel may be one of the outlet channels of the pump. When there is more than one outlet channel, the sensing device may be provided for at least one outlet channel or for each outlet channel. Similarly, when there is more than one inlet channel, the sensing device may be provided for at least one inlet channel or for each inlet channel. In this regard, the pump can be configured to pump several different fluids and such individual inlet channels allow different fluids to be supplied to several different fluid delivery lines. A flow control valve with associated valve members may be provided to control the fluid flowing through the fluid passage. The flow compliant member can move with the valve member of the flow control valve. In addition, the rolling bridle member can be integrally formed with the flow control valve or provided as a valve member for the flow control valve. The flow control valve can conveniently be one of the inlet safety valves of the pump. In addition, the flow control valve can be a safety valve. When the displacement of the mobile honeycomb component is sensed by the displacement sensor, the control system can supply an inverse residual signal. The preferred method is to provide the inverse signal only when the displacement is higher than a predetermined threshold. This can be prevented or the most (please read the precautions on the back before filling in this page) • Binding. This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) 5. Description of invention () A7 B7 Ministry of Economic Affairs Printed vc \\. By the Consumer Cooperative of the Central Bureau of Standardization to minimize the possibility of false feedback signals due to vibration displacement of the flow response member or an insufficient fluid flow rate. Therefore, the selection of the critical value can determine the sensitivity of the displacement sensor. The threshold value can be set by adding M to the fluid portion that has been transferred by the pump. For example, the threshold value may indicate that the transfer capacity of the stream card of about two gangsters has been transferred. The pumping cycle of the pump is preferably controlled by the threshold value (providing the feedback signal at this time). The control system is better to measure the time delay between the start of the triggering cycle and the start of the rollback feedback signal. The measured time delay is called "Ningde delay time" or "SDT". It has been empirically determined that the control system of the pump can be so conveniently configured that the pump is activated under the condition that it is at least substantially equal to _2_ times the SDT in order to ensure that the pumped fluid is completely transferred. However, the pump can also be triggered when it is at least substantially equal to other multiples of SDT. In addition, the control system can determine the pumping cycle as a function of the feedback signal. For example, the period of the previous feedback signal can be used to determine a pump actuation period for subsequent fluid transfer. In addition, the period between the termination of the previous feedback signal and the sensing of the subsequent feedback signal can be used to determine the pumping cycle of the pump. When the viscosity of the fluid is high, the pump typically needs to activate M in a longer period to ensure correct fluid transfer. However, the fluid response component will take longer to move beyond the critical value, resulting in a longer SDT. Therefore, controlling the system can ensure that the pump can be actuated for a longer period than when the viscosity of the fluid is lower. Similarly, when the power supply voltage of the pump is lower than normal, a longer priming period M is required for correct fluid transfer. This is because the pump will have less available "pump suction". Therefore, the move also causes the flow response member to move more than Λ, which results in a longer SDT, so a longer lead can be ensured (please read the precautions on the back and then fill out this page) -installation. Order- 丨 paper size apply China National Standard Falcon (CNS) A4 specification (210X297mm) -7-3 ___i 'Description of invention (A7 B7 Printed dynamic cycle of the employee consumer cooperative of the Central Standards Bureau of the Ministry of Economic Affairs. There is a barrier or In the case of a lack of fluid supply, resulting in no net fluid flow rate, the control system will not provide a feedback signal. A similar situation is that the pipeline transmitting fluid to a desired location is blocked and may cause the hydraulic lock of the pump. Therefore, the control system can include a timing configuration that sets one of the minimum and maximum periods of the pump actuation. Assuming that no feedback signal is received, the pump can be easily activated with the maximum period. Assuming that no feedback is received after the maximum period of this actuation Signal, the control system can provide an error finger or start an engine control strategy which can reduce the possibility of the following engine damage. The control system can also provide a fixed The triggering period is, for example, when the SDT is abnormally short. In a preferred configuration, the displacement sensor is a "Hall voltage" sensor, and the flow-responsive member may be a ferromagnetic body supported in the fluid channel Element. The displacement of the sleeping element produces a change in the magnetic field adjacent to the sensor. The sensor can easily convert the magnetic flux density into an analog voltage M thereby providing a voltage signal which is a "Hall voltage". It changes according to the relative position of the body element. The flow response member can be extended by M and the flow rate and / or flow rate of the fluid flowing through the fluid channel can produce a displacement of the flow response member. This displacement is the cross-flow response member The result of the fluid pressure gradient. The displacement of the flow response member can be improved by varying the pressure gradient across the flow response member. For this purpose, the flow Zhan Ying member can be shaped so that the flow responds between the member and the fluid channel The gap can be changed in the direction of movement. M can be used to change the pressure gradient across the place when the flow bridle is displaced. For example, this can be achieved by pushing or improving the flow. The shape of the component is finished (please read the precautions on the back before filling in this page). Binding. Order 4 not) The paper size is applicable to the Chinese National Standard (CNS) Α4 specifications (2 丨 0X297mm) 8 A7 B7 Central Ministry of Economic Affairs The quasi-bureau employee consumer cooperative printed the j 'invention description () into 0. The control system is better to include a sensor control circuit in the form of "sampling and holding, or" singing_pinghuo road "which can be conveniently It includes a comparator unit to compare the Hall voltage with a second voltage derived from the Hall voltage. However, we should realize that the processing of the Hall voltage can be another digital method in the sampling data system with sufficient analysis The sensor control circuit of the control system preferably provides a feedback signal when the voltage difference between the Hall voltage and the second voltage reaches a predetermined value. The second voltage can be a voltage across the sensor control circuit The measured voltage of the capacitor, and the capacitor voltage can be at least substantially equal to the Hall voltage before the pumping is triggered. The control system preferably provides a sample / hold configuration where the capacitor voltage is used as a data voltage during pump activation. At the beginning or later of the pump priming, the capacitor can be effectively disconnected from the hail effect sensor by a switching unit, so that the capacitor voltage will not be affected by the change of the Hall voltage during the pump priming. The advantages resulting from the use of the sample / hold configuration are its essential compensation for tolerating changes in magnetic field strength, amplification of the Huo and Er effect signals, and establishment of mechanical tolerances of components. Therefore, the configuration is self-checking. In a preferred configuration, the Hall effect sensor can also sense the magnetic flux generated by the spiral component of the pump when activated. The magnetic flux of the solenoid assembly sensed by the sensor can be a function of the degree to which the sensor is adjacent to the coil of the solenoid assembly, the magnitude of the coil current, and / or the number of coil turns. The polarity direction of the solenoid coil can be arranged relative to the flow-responsive member so that the magnetic flux of the solenoid coil is suitable for the magnetic density addition due to the displacement of the flow-responsive member. This 1 i 'is also induced by the solenoid coil, and the Hall effect sensor is used to add the sensor.

The paper scale is applicable to the Chinese National Standard (CNS) Α4 specification (210 X 297 mm) (please read the precautions on the back before filling this page)-Installation · Order -9-V. Description of invention () A7 B7 Ministry of Economy t Member of the Central Bureau of Standards X. The consumer cooperative ’s printing results in enhanced and more reliable diagnostic information. The control system can also conveniently control the pump priming frequency as a function of the engine ’s operating parameters. For example, the pump uses Μ pump to suck oil Μ for internal combustion engine When used, the pump priming frequency usually increases as the engine load and / or speed increases and usually decreases as the engine load and / or speed decreases. The control system can use a check chart for a short period (e.g. every 4 milliseconds) The fuel delivery requirement is determined by calculating the instant fuel demand internally. In a two-stroke engine, the inspection chart can relate the fuel / fuel ratio to the engine load and speed. Such instantaneous fuel demand can be integrated over time until the integrated calculation amount is equal to The amount of pump transfer can be activated at this point in time. The control system can include blocking or over-speed devices to slow down the acceleration transient period (i.e. During the cold acceleration period), the instantaneous fuel demand indicated by the inspection chart is changed to the rate. During such a period, it typically lasts for only a few seconds. The actual fuel demand of the engine does not have to be as high as indicated by the inspection chart. During this type of acceleration transient period, the rate of change in the fuel demand at the moment of "blocking" M and / or only allow the fuel supply rate M-a fixed rate of increase to its target value can reduce the overall fuel consumption rate of the engine. During the period, when When the speed and load of the engine change less steeply, the instantaneous fuel demand can be determined by the inspection chart as described above. For this purpose, a complex control device can be provided by the control system in response to the start or stop of the acceleration transient Switch between the normal "check chart" oil demand determining device and the filtering oil demand determining device. In addition, the degree of "blocking" can be a function of speed and load change rate. The control system can also provide an error indication or initiate a strategy to Extend the driving range of the vehicle or there is no feedback signal within a preselected time period (prompt (please read the precautions on the back before filling out this page). The paper scale is applicable to the Chinese National Standard (CNS) Α4 specification (210 X 297 mm) 10 31 31 A7 B7 UG9 _____ V. Description of the invention (rarely or even completely free of rogue or oil rolling through the pump > limit an internal combustion Power in the engine. For example, when there is no feedback signal to indicate to the driver that no fuel is delivered to the engine, the control system can only turn on a warning light and / or warning alarm. In addition, in the case of a two-stroke engine, use A leaner fuel / fuel ratio strategy can be added to implement M to extend the driving range of vehicles with engines in it. In addition, a power limit strategy can be initiated to limit the maximum engine speed and engine load, thereby reducing engine damage In another way, the control system can be configured to stop the engine when there is no feedback signal. When the fuel level in the fuel storage tank of the engine is sensed to be critically low, the above strategy can also be implemented or alternately implemented. Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. In addition, the control system can also provide an automatic start note to the function Μ to charge when the new engine is assembled or the service is overhauled or repaired and the engine fuel start is required. Refill the empty oil lines of various engine parts. The priming function can be activated manually or automatically by adding M and can initially make the pump cycle to pump air out of the oil line through several quick actuations. Any feedback signal can be ignored during the fast start. Within the set interval, the pump can be circulated through a smaller number of slow pumps to allow the sensor to operate properly and determine if any oil is rolling through the pump. Assuming that oil flow is sensed, the pump house can be circulated by a set number of children to fill the downstream oil pipeline. Otherwise, assuming that no oil flow has been sensed after setting a maximum number of pumps, the control system can turn off the pump and selectively turn on a warning light M to indicate a problem during the start-up injection function. .- r ..- t. In addition, this pump start injection sequence or its initial part can be applied to the Chinese National Standard (CNS) A4 specifications (210X 297 mm) at the mirrorless scale 11 V. A7 B7 _ 一 ——--" 丨 丨 '1 * Description of the invention () The implementation of this under the condition of signal feeding is ribbed to remove any air bubbles in the oil supply pipeline, which may be the cause of no feedback signal. In addition, the control system provides a preset number of pump activations and implements a pump start injection sequence independent of the feedback signal. The pump preferably has multiple fluid drag outlets and the oil line can extend from each drain outlet to the lubrication point. The pump is suitable to provide the same or different oil delivery capacity between the discharge outlets. In the case where several discharge outlets have the same oil conveying capacity, it is preferable that the oil pipeline extending therefrom transmits the same amount of oil through any number of pump-driven cycles. In this way, individual lubrication points can receive the same amount of oil at the same time after any number of pump priming cycles, and therefore such individual oil lines are filled with M at the same rate during the start of the injection function. According to this, oil pipelines of different lengths but carrying the same amount of oil therethrough may have different widths and / or have side corridors and cavities arranged along them to maintain the essence of each oil pipeline between the pump and the lubrication point Smaller volume. In the case where several discharge outlets have different oil transfer capacities and there is a specific oil transfer ratio between them, the volume of the oil pipeline extending from that location should preferably be matched with the same ratio. Therefore, even if the discharge port has a different oil delivery capacity, each individual lubrication point still receives an appropriate amount of oil at the above ratio at the same time after any number of pump activation cycles. That is, such individual oil lines are filled at the same rate during the priming function. Similarly, this can be accomplished by maintaining different specific oil transport values between K by different widths and / or side corridors or cavities provided in the oil pipeline. For the above two cases, this can ensure that the lubrication point will not be excessively supplied for I --- 1 · II--i * Pack--III-order --II | paper (please read the precautions on the back before filling in This page) Economic Department t Central Standards Bureau member X Consumer Cooperative Printed .. This paper size is applicable to China National Standard (CNS) A4 specification (210X2.97mm) -12-V. Description of invention () A7 B7 Central Standard of Ministry of Economy Bureau staff consumer cooperatives are still drying after printing oil or after starting the oil injection operation. The pump can be supplied with fluid from the roller storage tank, and a fluid level switch can be provided in the fluid storage tank. The fluid level switch provides a signal to the control system when the fluid level drops below a specific level System. The heating device can be conveniently installed in the fluid supply pipe supplying the fluid to the pump to heat the fluid and thereby control the viscosity of the fluid. The type of heating device may be a heating heat trajectory or element which may be contained in the fluid supply line connected to the pump and may extend at least partially along the fluid supply line. A heating element can be alternatively or additionally provided in each conveying pipeline from the pump. The heating element can be activated according to the time delay between the starting point of the pump and the transmission of the feedback signal. When the time delay exceeds a predetermined value to indicate high fluid viscosity, the heating element can actuate M to reduce the fluid viscosity. The heating element is preferably activated only when the ambient air temperature is below a predetermined value. This prevents the heating element from being activated due to low battery voltage or blockage in the fluid line (both of which result in higher time delays). The invention also provides a pump controlled by the above control system. The present invention will be easier to understand from the description of the preferred actual configuration of the pump control system disclosed in the following accompanying drawings, in which: Figure 1 is a longitudinal sectional view of the pump controlled by the control system of the present invention (please first Read the precautions on the back and then fill out this page). Binding-Order -1- Grade. Γ: Figure 2 represents the display control of the lotus between the control system and the pump and Figure 3 is the control strip of the present invention The actual configuration of the unified control circuit. First of all, please refer to the first figure, the disclosure of the pump system is related to the applicant. The paper standard is applicable to the Chinese National Standard (CNS) Α4 specification (210X 297 mm) -13-A7 B7 V. Employee consumption of the Central Standards Bureau of the Ministry of Economic Affairs The cooperative printed the description of the invention (Patent Application No. PM4768 and the details of the pump are incorporated herein for reference. This pump can be used in the lubrication system of a two-stroke internal combustion engine and the control rules of the present invention will be related to The practical application is described. The pump 1 includes an inlet safety valve 2 and the valve has an associated valve member 3 which controls the fluid flowing through a fluid channel 17. The oil flowing through the fluid channel 17 can be borrowed from a sensing device 19 Add M sensing. The sensing device 19 includes a Hall voltage sensor 4 which is installed adjacent to the fluid channel 17. A type of elongated flow element 5 is installed in the fluid channel 17 and adjacent to the valve 3. A valve spring 14 drives the body element 5 below the valve element 3. I also imagine that the valve element 3 and the body element 5 can be an integral element or that the body element 5 can be constructed as a valve element of the safety valve 2. The body element 5 By ferromagnetic materials The Hall effect sensor 4 senses the change in the magnetic field caused by the displacement of the body element 5 relative to the Hall effect sensor 4. The sensor 4 converts the magnetic flux density into a commonly known "Hall voltage" Analog voltage. The flow rate and / or quantity of the fluid through the roller channel 17 can cause the body element 5 to produce a displacement in the direction of movement along its lengthened axis. This displacement is due to the valve element 3 that is connected to the adjacent body element 5 As a result of the fluid pressure gradient, a force is exerted by the valve element 3 on the body element 5. When the fluid flow is interrupted, the valve spring 14 and the return flow force the body element 5 and the valve element 3 to return to their original positions. The flow is restricted to the gap around the periphery of the valve member 3 and the body member 5M and the fluid channel in which the valve member 3 and the body member 5 move. For this purpose, the pressure gradient of the valve member 3 and / or the body member is When moving on the extension shaft, it can improve the valve element 3 and / or the body element by the promotion of the chemical M. The test system scale is applicable to the Chinese national standard (匚 奶) 84 specifications (2 丨 0 '297mm)- ------ ί, loaded ------ ordered ------ paper (please read the back first (Notes to fill out this page) -14 ~ Printed Α7 Β7 by the Employees ’Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention () The shape of the piece 5 is changed. This allows the displacement of the body element 5 with respect to the flow of the rogue Add M to change. I also think that other types of sensors can also be used, such as capacitive effect sensors or thermoelectric sensor sensors. In addition, the sensing device 19 can be adjacent to at least one outlet channel of the pump 1 Or discharge check valve (not shown). The oil flowing into the safety valve 2 through its inlet 6 will cause the displacement of the valve 3. This displacement will be transmitted to the adjacent body element 5. The degree of displacement of the valve 3 Related to the oil flow rate: When the oil flow rate is higher, the displacement is larger and when the oil flow rate is reduced, the displacement is smaller. The displacement of the body element 5 relative to the Zaire effect sensor 4 results in a change in the Hall voltage M. It provides an indication of the position change of the body element 5 and therefore can also provide an indication of the oil flow rate. The control system uses the Hall voltage to provide a feedback signal which controls the pump 1 pump cycle. Figure 2 is the Zaire voltage, feedback signal, the oil flowing through the inlet safety valve 2 and the pumping cycle of the pump 1 (M "Hall voltage", "sensing" and "driving" plus M show) A graphical representation of the relationship within a specific time period. When the pump drive is activated (as shown in A), the Hall voltage starts to increase due to the liquid or oil flowing through the safety valve 2 (as shown in B). When the Hall voltage reaches a predetermined threshold (as shown in C), the control bar provides a feedback signal (as shown in D). This feedback signal is only provided after the threshold of the Hall voltage is reached, which is To prevent or minimize the possibility of erroneous feedback signals caused by other factors (such as the vibration of the pump 1 or the existence of bubbles caused by small displacements of the body element 5, etc.). The hail voltage Μ—charged has been helped The part of the oil material transmitted by Pu .. The bearing method is changed. Therefore, the critical value can be set at a standard that is relevant to the size of the special paper. The Chinese National Standard (CNS) Α4 specification (2 丨 0Χ297mm) (please read the back Please pay attention to this page and then fill out this page) • Outfit--15-Printed by the Employees ’Consumer Cooperative of the Central Standard Falcon Bureau of the Ministry of Economic Affairs ο'ί: '^ Α7 Β7 Fifth, the invention description () Set the level of the oil delivery volume. For example, The threshold can be set at the point when about half of the pump's oil transfer capacity has been transferred. This value can be determined empirically through experimentation. The Hall voltage threshold can provide a means of controlling the pumping cycle of the pump. The system includes a timing device that measures the time delay between the starting point of pump 1 and the start point of the anti-pump signal (this signal is provided when the Hall voltage reaches a critical value). The measured time delay is called "sensing Delay time ”or“ SDT ”. Because the threshold value is set on the basis of the oil portion that has been transferred by the pump, the pump priming period can therefore be easily a function of SDT. It has been determined by experiment With M — a period at least substantially equal to twice the SDT to pump the pump, usually to ensure complete oil delivery from the pump. Then control the system can be configured to form M. This period to pump the pump. However, I perceive that SDT is related to the Hall The voltage threshold is set. Therefore, the pump can also use a period at least substantially equal to other multiples of the SDT plus M actuation. In another configuration, the pump actuation period can be a function of the feedback signal, and the control system feedbacks The priming period is determined on the basis of the signal. The priming period can be determined by the period of the previous backtrack signal. In addition, the priming period can be terminated by the previous feedback multiple and the subsequent inversion The period between the number detection is increased by M. This control configuration allows the control system to take into account factors such as higher than normal fluid viscosity and lower than normal battery voltage. At low temperatures, the fluid viscosity increases and this higher fluid Viscosity usually leads to a lower flow rate of oil flowing through the inlet safety valve 2. Therefore, it requires a longer period to activate the pump 1. This paper size is applicable to the Chinese National Standard (CNS) Α4 specification (210X297 mm). I i I order 1 I ^ paper (please read the precautions on the back before filling this page) —16-3ί1ϊ59 Α7 I-CN / V printed by the employee consumer cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs B7 5. Description of the invention () Because there is a large load on the pump 1, it is also possible. A battery voltage that is lower than normal also results in a lower oil flow rate through the inlet safety valve 2. According to this, a longer pumping period of the pump 1 is needed, because the pump 1 will have less available "pump suction". In the above two cases, because the feedback multiplier to be generated requires a longer period and the pump 1 requires a longer period, the control system will measure a longer SDT. Therefore, the higher oil viscosity or lower battery voltage can be properly explained by controlling the system and adding M. The control system may also take into account barriers in the oil supply line to or from Pump 1 or lack of oil flow due to lack of oil supply. In such cases, no oil flows through the safety valve 2 so that there is no change in the Hall voltage. Therefore, the control system will not provide a feedback signal indicating that the oil flows through the fluid passage 17. A timer configuration can be set in the control system to set the minimum and maximum periods for pump 1 activation, typically between 60 milliseconds. When no feedback signal is provided, for example, because the oil is too cold and has an excessively high viscosity or the feedback signal is turned continuously, the pump is activated with the maximum cycle of M. When the SDT is too short, for example, less than 12 milliseconds, a fixed actuation period of typically 200 milliseconds can also be set. This fixed actuation period can be cleared when a valid feedback signal is received. The Hall effect sensor 4 can only add M to provide a signal for the control bar when the Hall voltage reaches the upper or lower critical limit. However, this control configuration has certain disadvantages. In this configuration, it is not possible to incorporate changes in the magnetic strength of different rules or effects caused by environmental factors (such as temperature and motion) into Kalu. "Dying period" & should be due to, for example, the change of the magnetic field due to the aging of the ferromagnetic skeleton element 5

W kv〆 _____ 297mm) --------- 1. Installed ------ ordered ------ first class (please read the notes on the back before filling this page)- 17-A7 B7 Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy »~ \\ ΝνΛ> cannot be taken into account. In addition, each system needs to be individually calibrated to properly position the body element 5 relative to the sensor 4, thus resulting in extra cost and difficulty in the production of the pump 1. In order to avoid such problems, the control configuration can be changed to measure the voltage difference between the Maire voltage and a second voltage derived from the Hall voltage. The Zaire effect sensor 4 in conjunction with this control configuration can take into account the manufacturing tolerance changes of various characteristics (such as ferromagnetic strength, Hall effect gain and compensation, and the variation distance between the ferromagnetic and Zaire effect elements), and also Overcome the necessity of control system parallel translation verification. Referring to the third picture, the control system includes a sensor control circuit 11 which is connected to the electronic control unit (ECU) of the engine. The Hall voltage is measured at the positive terminal 7b of the comparator unit 7 and compared with the voltage across the capacitor 8 measured at the negative terminal 7a of the comparator 7. The sensor control circuit 11 may be formed as part of the ECU or part of the pump itself. Before the pump 1 is activated, the voltage across the capacitor 8 is at least substantially equal to the “steady state” Hall voltage, which is the low pressure before the displacement of the oil flowing through the fluid channel 17 and the body element 5. At the time or later when the pump 1 is activated, a switching unit 9 (which is shown as a FET in the sensor control circuit 11) effectively disconnects the capacitor 8 from the Hall effect sensor 4, so that the capacitor voltage remains at "Hall voltage". Then, the comparator unit 7 compares the actual Hall voltage with the capacitor voltage. When the mold voltage difference between the Hall voltage and the capacitor voltage reaches a certain predetermined value, the control system provides the required feedback Sensing f. The control circuit 11 therefore provides an oil sample / hold configuration in which the capacitor voltage is used as a "floating" reference voltage and this voltage is guaranteed at the beginning of the pump. This paper standard is applicable to the Chinese National Standard (CNS) A4 Specifications (210X297mm) --------- * -installed ------ ordered ------ (please read the precautions on the back and then fill out this page) -18-Central Ministry of Economic Affairs The Bureau of Standards ’Staff Consumer Cooperative printed SUVC,. '· A7 B7 V. Description of the invention () is stable. This floating reference voltage can ensure that changes in the system (such as those mentioned previously) and environmental factors are taken into consideration. In addition, the test The resulting voltage difference and the body element 5 relative to the sensor 4 The actual position is irrelevant, thereby eliminating the need to verify the configuration of the sensor. For example, when the frequency of pump activation increases, the valve element 3 and the skull element 5 have less time to return and abut the valve seat 10 of the safety valve 2 This causes the asymptotic shift of the average position of the body element 5 away from the valve seat 10. However, this shift will not affect the above-mentioned control configuration. It is also possible to eliminate the switching unit 9 of the sensing control circuit 11. Due to the capacitor Due to the innate delay of the voltage change, the voltage difference between the actual Hall voltage and the capacitor voltage can still be measured. However, because the capacitor voltage still has a slow change, the voltage difference between the K and the above circuit is less than that provided by the above circuit. A potentially poor signal / noise ratio. In any case, this is satisfactory for a system with reduced specifications and / or lower cost. It is provided with a small benefit of this sensor control circuit 11 A device M checks the existence of the pump 1, and / or checks whether the pump 1 is properly connected to the power supply and the sensor control circuit 11 before the engine is started. When the ECU and the sensor control circuit 11 are before the engine is started When it is turned on for the second time, the capacitor 8 performs an initial charge and this operation is performed when the oil pump 1 actually exists and / or is properly built into the ECU, which results in an upcoming feedback signal. However, it is assumed that the oil pump 1 does not exist and / or Or when properly connected, the capacitor 8 will not be charged. In this case, no feedback signal is generated. It is better for the ECU to cooperate with a warning light or other warning device, which can actually start the engine and turn the lotus (assuming that the Pingdian signal is not received It was triggered before. This can be done, for example, after service repair. After the repair, the oil pump 1 is provided with appropriate replacement and / or connection. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm)- --------- * -installed ------ ordered ------- line (please read the precautions on the back before filling in this page) _ 19 Central Ministry of Economic Affairs, Ministry of Economic Affairs Printed by industrial and consumer cooperatives Α7 Β7 V. Description of the invention () The control system can also control the pump frequency of pump 1. When the engine load and speed increase, it is usually necessary to increase the frequency of pump activation. Typically, in a two-stroke engine with a pump 1 of o.lcc pumping capacity, the period between pump starts can be as high as 350 seconds (when the engine is idling) and only up to 0.7 seconds (when the engine is at its maximum During load). The above-mentioned system can be further enhanced by making the Hall effect sensor 4 sense the magnetic flux of the solenoid coil 16 during the lotus operation of the solenoid assembly 15. Therefore, there are two magnetic flux components that will be sensed by the Zell effect sensor 4 plus M, one is the magnetic flux due to the displacement of the body element 5, and the other is the magnetic flux generated by the lotus work of the solenoid assembly 15. The magnetic flux of the solenoid coil 16 obtained by the Zaire effect sensor 4 is a function of the spatial proximity of the sensor 4 to the coil 16 and the function of the coil current and the number of coil turns. The polarity direction of the magnetic flux from the coil 16 is selected by considering the polarity of the current direction relative to the selected magnetic polarity of the body element 5 plus the M configuration so that the component of the increasing flux density from the solenoid coil 16 when the coil current increases It is added to the increasing flux density (due to the displacement of the body element 5 in the direction driven by the increasing flow rate and / or quantity). When the coil current decreases, this causes the flux density from the solenoid coil 16 to decrease. The decrease in the displacement of the body element 5 causes the flux density to decrease correspondingly, and the flow rate decreases accordingly. Therefore, the above system provides a combined overall signal to be processed by the control system based on the fluid flow rate and pump electrical actuation. I found that the magnetic flux of the solenoid coil 16 and the magnetic flux of the displacement of the body element 5 are of the same level, large and small. In one example, the solenoid coil flux change is about the overall flux change. The paper size is applicable to the Chinese National Standard (CNS) Α4 specification (210X297 mm) --------- 一 — 装 --- --- order ------ line (please read the precautions on the back before filling this page) -20-

V. Description of the invention (printed by 40% of the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. The M is configured for high-quality diagnosis of the car and boat system (especially the pumping frequency needs to be very high to meet the size and cost The limit is very important. This is because the addition of the signal provided by the solenoid coil actuation makes the diagnostic information stronger and more reliable. This is more important when the displacement of the body element 5 is slightly slow due to high fluid viscosity, for example Favorable. The signal showing that the electrical trigger has occurred is generally found to provide a strong possibility of a reliable fluid transfer. However, we should note that a signal from the electrical trigger is not yet M for proper operation of the system, because the body element 5 Displacement requires another signal. The pilot frequency is a function of the required fuel delivery rate (which varies with engine load and speed). Typically • the engine's fuel / fuel ratio is between 400: 1 (idle condition) and 80 : 1 (Maximum Greedy Condition) changes. To ensure that the pump 1 can deliver the correct amount of fuel under widely varying engine operating conditions, the control system is controlled by The "check chart" calculates the "instantaneous" fuel demand in a short period (typically every 4 seconds) by linking combustion / oiling to engine greed and speed. The instantaneous fuel demand is integrated with K over time until the integrated calculation The pump capacity is equal to O.lcc (the amount of oil transferred during each pump activation)>. At this time, pump 1 is activated. During short cold acceleration (that is, acceleration transient) * the engine load and speed are fast The change will have a dramatic increase in the instantaneous fuel demand indicated by the inspection chart. However, such acceleration transients may only last for a few seconds and there may not be enough time for the engine lubrication system to provide the required fuel supply rate before the acceleration transient is terminated. Actually delivered to the area required by the engine. According to this, for this type of transient acceleration transient, the paper standard is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) (please read the precautions on the back before filling in This page)-Installation · Order I-line 21 V. Description of the invention () Α7 Β7 Printed and printed by the Employees Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs

It may not be necessary to actually supply the instant fuel demand during the acceleration transient. In fact, it is possible, for example, that the oil recirculated by the crankcase can provide enough additional oil to compensate for the higher oil demand during such acceleration transients. Therefore, the control system can provide a damping or filtering device M to reduce the rate of change of the instantaneous fuel demand indicated by the inspection chart during the acceleration transient. Therefore, the fuel supply rate can only be allowed to increase to its target value at a fixed rate and still simplify the full fuel supply of the engine and engine components. When the change rate of engine load and speed is relatively gentle, the control system can use the inspection chart M to determine the instantaneous fuel demand as described above. To achieve this, a complex control device can be provided by the control system so that the start or stop of the transient should be accelerated and the conversion between the oil demand determining device and the filtering oil demand determining device in the normal inspection chart can be performed. In addition, the control device can be changed to detect that the vehicle is cold-driven and is undergoing repeated cold acceleration. Therefore, it can return to the normal inspection chart determination device to determine the engine fuel demand and thus resist the cold-driving of the car. It is believed that the practice of slowing down the rate of change in the instantaneous fuel demand during the acceleration transient can result in a significant reduction in the overall fuel consumption rate of the engine, for example, by about 20%. The control system can also provide an error indication or an engine cutoff / power limitation strategy. This can be accomplished by keeping the control system's history of failure pump activation (ie, no feedback signal received) and taking the necessary action when the number of failure activations exceeds a specific preset limit. For example, the state of the last 16 pumps can be added to maintain any anti-remaining signal of the loss is regarded as a difference. : Once 4 out of 16 consecutive pumping trips are recorded as a loss feedback signal, the control system can provide an error indication, for example, one (· Please read the precautions on the back before filling this page )-Installed-

、 TTL paper scale is applicable to China National Standard (CNS) Α4 said grid (2 丨 0X297mm) 22 V. Description of invention (A7 B7 Beigong Consumer Cooperative of Central Bureau of Standards of the Ministry of Economic Affairs printed warning lights or alarms to warn the driver Report oil pump flow error. In addition, the control system can implement a power limitation strategy in which the maximum engine speed and load are limited to reduce the possibility of damage to the engine. The control system can also stop the engine. In addition, the control system Additional pumping can be planned to compensate for failed pumping. In another engine control strategy, for specific engine operating conditions, the pump is driven at a rate greater than normal to provide more fuel to the engine's sensitivity Or important components, this strategy can be introduced when the engine is above a certain temperature (for example, over 120 t). The measured temperature can be the cooling temperature. This can reduce the impact on engine components (such as pistons and pistons) at high engine temperatures. The possibility of damage to the cylinder bore. This strategy can also be implemented in conjunction with other engine power limitation strategies, such as when the engine fuel is reduced or changed. Μ will prevent the engine from turning in the high temperature zone. When the engine turns at a desired operating temperature (such as a cold start), a similar engine control strategy to activate the pump may be larger than the normal rate. The rate of progress. Extra oil can prevent the failure of components with low engine temperature, such as the piston squeezing in a cold hole when the temperature of the component increases. This strategy can also be used in conjunction with another power limitation strategy in the previously described strategy. A level sensor in the reservoir that supplies lubricating oil to the pump 1 can also use Μ to provide a control when the oil level (and therefore the amount of oil remaining in the reservoir) is reduced to a predetermined level Μ It is a signal for general use. Although other sensor options are also conceived, such as thermistor components or optical reflection devices, etc., the level sensor can be a floating level switch. Once the low fuel signal borrows the level When the switch is sent out, the control strip can be counted and counted. "Please read the precautions on the back and then fill out this page." 丨 Installation · Ordering. 丨 The size of the line paper is applicable to China National Standard (CNS) Α4 Specifications (210X2 97 mm) -23-23 Α7 Β7 Employee's consumption cooperation of the Central Bureau of Standards of the Ministry of Economic Affairs du printed five. Invention description () way to track the remaining fuel in the reservoir. A warning light K can also be set to indicate the fuel level to the driver It should be low. The control system can also provide an automatic start injection function. When assembling a new engine or after thorough inspection or maintenance service to fill or refill the empty oil line, an engine oil start injection is required. The injection function can be manually actuated Μ so that the pump 1 initially circulates a few quick actuation which helps to push out air from the oil pipeline. Assuming that the pump 1 is activated too slowly, the bubbles will move back to the pump 1 At the set interval during the initial rapid actuation of the pump 1, the pump 1 operates through a number of actuation plus M and these actuation can activate the sensor 4 to allow it to sense any oil flow. Any feedback signal during the fast actuation of pump 1 can be ignored. Once the oil movement is sensed, the pump 1 then circulates through a set of pilots to fill multiple downstream oil pipelines. Assuming that no oil flow is sensed after a group is activated, the control system can turn off the pump 1 and a warning light can be selectively illuminated to indicate that a problem has occurred during the start of the injection function. In addition, when there is no feedback signal from the control system, it can automatically start the injection function. This may be due to air bubbles in the oil supply line and the start-up injection function is ribbed to remove such air bubbles in the oil supply line. Pump 1 has a majority of oil drain outlets ... Each outlet may have the same or different oil transfer capacity. The oil pipe extends from each discharge outlet to a different lubrication point. In the case where the oil delivery capacity of several discharge outlets is the same, the different oil pipelines extending from there are configured to deliver the same amount of oil for any number of pump-initiated cycles' to ensure that each lubrication point is Starting

This paper scale is applicable to the Chinese National Standard (CNS) Α4 specification (210Χ297mm) (please read the notes on the back before filling in this page) • Installation · Order -24-A7 B7 Economy t Printed by the Central Bureau of Samples and Consumers Cooperative Fifth, the invention description () After receiving the function, receive the same amount of oil, and prevent any lubrication points from receiving excessive oil or still being dry. This is achieved by different oil lines M with different widths and / or side corridors and cavities along them. This at least provides a substantially similar volume in each oil line between the pump and the lubrication point and ensures that individual oil lines can be charged at the same rate during the start-up injection function. In the case where the oil delivery capacity is different for several discharge outlets, the volume of individual oil pipelines extending from there is correspondingly sized to deliver the correct amount for any number of Ningpu pilot cycles Oil. That is, each lubricating point receives an appropriate amount of oil and the amount of oil relative to the ratio of the oil delivery capacity of the discharge outlet. Again, this is done by providing different widths and / or side corridors or cavities in the oil lines in order to maintain a specific oil transfer ratio during the period and to ensure that individual oil lines can be filled at the same rate during the priming function operation. Therefore, the provision of an appropriately sized oil pipeline having a specific overall volume and connecting different or similar oil delivery capacities of the pump discharge outlet can facilitate the aforementioned proper start-up injection operation. It is also possible to control the viscosity of the oil by heating the elements provided in the oil supply and / or transmission lines. The heating device, for example in the form of a heating track, is accommodated in the oil pipeline and extends at least partially along the oil pipeline. The control system can control the operation of the heating element according to the measured SDT, for example. We also intend to control the heating trace M to heat the oil and reduce its viscosity without feedback signal. In addition, or in addition, the control bar can activate the heating trajectory when the battery voltage is lower than normal. This paper scale is applicable to China National Standard (CNS) Α4 specification (210Χ297mm) -------- < -installed ------ ordered ------ ^ line (please read the back Note: fill in this page again. 25 A7 B7 5. Description of the invention (Continued from the example mentioned first, the heating element can be configured to respond to SDT exceeding a predetermined value (which tends to indicate a high fluid viscosity). When the ambient air temperature sensed by an appropriate sensor at the Lotus control system is lower than a predetermined value, the heating element can also be configured to be activated only on the basis of the SDT. In this way, the battery voltage is assumed to be in a low state Or assuming that there is a real barrier in the oil conveying pipeline (both cases typically result in a longer SDT) > to prevent the heating element from being ignited. I also imagine that the heating element's activating is a function of the pump activating period Or accept pulse width modulation. In any case, the control system can be configured to actuate the heating element M in this latter case to reduce the fluid viscosity to a lower level and make it easier to pump. Therefore, it is assumed that the barrier actually exists In a fluid transfer line, then The reduction in body viscosity may cause certain fluids such as diluent oil to be pumped around the barrier and still reach the desired transfer position. This may be particularly relevant in an engine application even for the successful transfer of small amounts of oil It is the abnormal-recovery (limp-home) mode that the M maintenance engine is in a lotus. ---------- _ 裴 ------ subscribe ------ level (please read first (Notes on the back and then fill out this page) Employee consumption cooperation of the Central Bureau of Standards of the Ministry of Economic Affairs, Du Printed CN / V Standard bidder, home country, middle school, one centimeter 7 9 2 6 2

Claims (1)

A8 38 C8 D8 s ^ lU9, patent scope I. A control system for controlling the pump, which has a first-class skeleton channel. The system includes a sensing device to trick the flow through the fluid channel韹, wherein the control system controls the pumping cycle of the pump according to a function of the fluid flow standby sensed by the sensing device. 2. The control system as described in item 1 of the patent application scope, in which the sensed persistence is the flow rate of the fluid flowing through the fluid channel. 3. For example, the control system of item 2 of the patent application scope, in which the pump pumps fluid during the activation of Changpu and the fluid flows through the fluid channel during the activation process 4. The control system of item 3 of the patent application scope, Wherein the sensing device includes a displacement sensor for sensing the displacement of the flowing alumina member located in the fluid channel, the displacement being a function of the fluid flow rate. 5. For example, the control system of item 4 of the patent application includes a flow control valve that controls the fluid flowing through the fluid channel. The flow response member can move with the valve. 6. For example, in the control clause of the fourth patent application scope, where a flow control valve controls the fluid flowing through the fluid channel, the flow control member is a valve used for the flow control valve. 7. For example, the control system of item 5 or 6 of the patent application, in which the flow element should be shaped so that the gap between the flow element and the flow channel changes in the direction of movement to change the span when the flow responds to the displacement of the element Connected to the pressure gradient. 8. For the control system of claim 5 or 6, the flow control valve is an inlet safety valve of the pump. -27-The standard of this paper is the Chinese National Standard (CNS) A4 (210X 297mm) (please read the precautions on the back and then fill out this page) The Ministry of Economic Affairs and the Ministry of Economic Affairs and Industry Bureau of Industry and Consumer Cooperation. Du Printed A8 B8 C8 D8, patent application scope 9. For example, the control system of the fourth patent application scope, in which the displacement sensor is a Hall effect sensor The flowing and flowing components are made of a ferromagnetic material. 10. For example, the control system of the 9th scope of the patent application, in which the pump is activated by a solenoid component, and the Hall effect sensor can also sense the moisture from one of the solenoid components when energizing The magnetic flux generated by the pipeline. 11. The control system as claimed in item 10 of the patent scope, in which the magnetic flux of the solenoid coil sensed by the Hall effect sensor is the proximity and line of the sensor to the coil of the solenoid coil The function of coil current and / or coil turns. 12. For the control system of patent application item 10 or item, wherein the polarity direction of the solenoid coil is pseudo-configured with respect to the magnetic polarity of the flow response member so that the magnetic flux of the solenoid coil is suitable for the magnetic flux of the flow response member Add the density. 13. The control system as claimed in item 4 of the patent scope includes a sensor control device and the device has a comparator unit to compare the Hall voltage provided by the displacement sensor with that provided by the comparator unit It is the reference voltage as a function of the Hall voltage. The sensor control device provides a feedback signal when the voltage difference between the Hall voltage and the reference voltage reaches a predetermined value. 1 4 · For example, the control system of item 3 of the patent application scope, where the reference voltage is at least substantially equal to the Huoyu voltage before the pump is activated. · 15. For the control system of item 3 or 4 of the patent application scope, Includes an error indication device to provide a signal when the feedback signal is not received: -28- This paper supports standard specifications (CNS) A4 specifications (;: 丨 0X297 公 藿). -I n Threading (Please read the precautions on the back and then fill out this page) ABCD Ministry of Economic Affairs Central Bureau of Commerce and Industry Consumer Consumption Cooperation. Printed by the company. 6. Patent application scope 16. If you apply for the control clauses of the patent scope item i 3 or 14, It includes a device that operates an engine with a predetermined engine control strategy when no feedback signal is received. 17. The control system of item 丨 of the patent application scope includes the control device used to control the pump drive frequency to function as the engine operating parameter, and the blocking device to buffer the reason caused by the change of the engine operating parameter The rate of change of the amount of fluid provided by the pump. 18. For example, the control system of the first item of the patent application scope includes the start-up injection device to activate the pump with a relatively rapid number of predetermined times to provide the start-up injection function for the engine. 19 · For example, if the control of the patent application is in the 18th, the pump can be connected to most of the engine's oil lines to send oil lotus to the lubrication point. Each oil line can be connected to one of the pumps The outlet is at least substantially the same as the volume between the pump and the lubrication point. 20 .. As in the control system of claim 19, where the oil pipelines have different widths and / or include side corridors and cavities. 2 1. For the control system of the 19th or 20th patent application scope, including the heating device installed in the oil supply pipeline of the pump to control the viscosity of the oil supplied to the pump. 22 · The control system of item 1 of the scope of the patent application includes a heating device to add the fluid in the fluid supply line that supplies the fluid to the pump to control the viscosity of the fluid. 23 · For example, the control system of item 22 of the patent application scope, in which the cooking time is delayed due to the addition of the cooking device: -29-This paper (CNS) A4 specification (2iOX: 97mm) _ IIJII order — line (please first Read the precautions on the back and then fill out this page) A8 B8 C8 D8 printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy VI. Patent application scope 24. For example, the control system of item 22 of the patent application scope, in which the heating device is based on the pump Initiate the cycle and induce it. 25. A control method for controlling a pump, the S pump has a fluid channel and a sensing device for sensing a flow skeleton flowing through a flow channel, the method includes controlling one of the pumping cycles to become a sensing A function of the fluid flow characteristics sensed by the device. 2 6. The control method as claimed in item 25 of the patent application, in which the sensed characteristic is the flow rate of the flow through the fluid channel. 27. For example, the control method of item 26 in the scope of patent application includes increasing the pumping period when the fluid flow rate decreases, and decreasing the pumping period when the fluid flow rate increases. 28. For the control method of claim 27 of the patent scope, including the use of a displacement sensor to measure the displacement of the flow-bearing member provided in the fluid channel, the flow-bearing member can follow the flow rate of the fluid passing through the flow channel And displacement. 29. The control method as claimed in item 28 of the patent scope includes a displacement sensor which provides a signal to a control system according to the displacement of the flow response member, and the control system starts when the flow response member is higher than a predetermined threshold Provide a feedback signal. 3 0. The control method as claimed in item 29 of the patent scope includes controlling the pump actuation period according to a function of the time delay between the starting point of the pump actuation and the transmission after the feedback signal. 3 1 · For example, the control method of item 3 Q of the patent application scope includes activating the pump during a period equivalent to a time delay multiple. 3 2 · For example, the control method of the patent application scope 3 Q or 31, where the pump cited -3 0-this paper is determined by the national standard (CNS) A4 specifications (2 丨 0X2W mm) I binding * ^ lc (please read the notes on the back before filling this page) A8 B8 C8 D8. The scope of applying for a patent moves to a period that is at least substantially equivalent to twice the time delay. 33. For example, the control method of item 30 of the patent application scope includes activating the pump for a period according to a function of the period of the feedback signal. 34. The control method as claimed in item 33 of the scope of patent application, which includes activating the pump during a period at least substantially equivalent to a period of the previous feedback signal. 35. The control method as claimed in item 30 of the scope of patent application includes activating the pump during a period between at least the end of the previous feedback signal and the sensing of the subsequent feedback signal. 36. For example, the control method of item 30 of the patent application scope includes activating the pump for a predetermined period when the feedback signal is not received. 37. The control method as claimed in item 36 of the patent application scope includes providing an error indication signal when the feedback signal is not received. 38. The control method as claimed in item 36 of the patent scope includes initiating a predetermined engine control strategy to reduce the possibility of engine damage when no feedback signal is received. 39. The control method as claimed in item 30 of the scope of patent application includes activating the pump for a predetermined period when the time delay is less than a minimum predetermined period. 40. The control method as claimed in item 25 of the scope of patent application, including when the engine temperature exceeds a predetermined value, will trigger the pump to reach a higher rate than the normal 41. The control method as claimed in item 25 of the patent scope, including When the engine temperature is lower than a predetermined value, the pump will be driven to a higher rate than the normal one 42. For example, the control method of the patent application item 25, including the Yuyou dry phase -31-This paper uses the Chinese standard Home kneading (CNS) A4 specification (210X297 gong) --------- 1 -installed ------ ordered ----- line (please read the precautions on the back before filling this page ) Printed by the Ministry of Taoism and the Ministry of Industry and Commerce, Cooperative Consumer Cooperative «. 6. Patent application scope A8 B8 C8 D8 When the short period of time is activated to circulate the pump to pump fluid during the engine start injection function. nn--I · ί -I--I ^^ — 3 ^^^ 1 In * ii I (please read the precautions on the back and then fill out this page) Order印 裒 2 3 The standard size of the paper is used in the Chinese National Standard (CNS) Λ4 specification (VOX 297mm)