CN108087136B - Oil pumping control method and device - Google Patents
Oil pumping control method and device Download PDFInfo
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- CN108087136B CN108087136B CN201711441113.5A CN201711441113A CN108087136B CN 108087136 B CN108087136 B CN 108087136B CN 201711441113 A CN201711441113 A CN 201711441113A CN 108087136 B CN108087136 B CN 108087136B
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- oil pumping
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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
- F02D41/30—Controlling fuel injection
- F02D41/3082—Control of electrical fuel pumps
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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
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The application provides an oil pumping control method and device, which are applied to an Electronic Control Unit (ECU), wherein the oil pumping control method comprises the following steps: acquiring a current oil pumping mode, wherein the current oil pumping mode is one of an automatic oil pumping mode and a manual oil pumping mode; and controlling the electric pump to pump oil based on the current oil pumping mode. The oil pumping control method and the oil pumping control device can automatically control the electric pump to pump oil, can manually trigger the electric pump to pump oil by a user, and provide multiple choices for the user.
Description
Technical Field
The invention relates to the technical field of oil pumping control, in particular to an oil pumping control method and device.
Background
Currently, most electric pumps pump oil for a fixed period of time upon power up. When the engine is started without problems, the oil pumping is started for a certain time after the engine is powered on, on one hand, the electric quantity of the storage battery is consumed, and on the other hand, a user feels unnecessary to cause the user's repugnance.
Disclosure of Invention
In view of the above, the present invention provides an oil pumping control method and apparatus, for solving the problems of unnecessary power consumption and poor user experience caused by a method of pumping oil for a fixed time after power-on in the prior art, and the technical scheme is as follows:
an oil pumping control method applied to an Electronic Control Unit (ECU), the oil pumping control method comprising:
acquiring a current oil pumping mode, wherein the current oil pumping mode is one of an automatic oil pumping mode and a manual oil pumping mode;
and controlling the electric pump to pump oil based on the current oil pumping mode.
Wherein, based on the current oil pumping mode, controlling the electric pump to pump oil comprises:
when the current oil pumping mode is the automatic oil pumping mode, monitoring rail pressure in real time;
and when the monitored rail pressure is less than the preset rail pressure, controlling the electric pump to pump oil.
The oil pumping control method further includes:
and when the current oil pumping mode is the automatic oil pumping mode, if the monitored rail pressure is greater than or equal to the preset rail pressure, controlling the electric pump to stop pumping oil.
Wherein the manual oil pumping mode includes: manual oil pumping switch mode;
the controlling the electric pump to pump oil based on the current oil pumping mode includes:
when the current oil pumping mode is the manual oil pumping switch mode, detecting an oil pumping switch signal;
and when an oil pumping switch signal indicating starting of oil pumping is detected, controlling the electric pump to pump oil.
The oil pumping control method further includes:
and when the current oil pumping mode is the manual oil pumping switch mode, if an oil pumping switch signal indicating that oil pumping is stopped is detected, controlling the electric pump to stop pumping oil.
Wherein the manual oil pumping mode includes: manual oil pumping knob mode;
the controlling the electric pump to pump oil based on the current oil pumping mode includes:
when the current oil pumping mode is the manual oil pumping knob mode, acquiring oil pumping time set by a user through an oil pumping knob;
and controlling the electric pump to pump oil based on the oil pumping time set by the user through the oil pumping knob.
An oil pumping control device applied to an Electronic Control Unit (ECU), the oil pumping control device comprising: the device comprises an acquisition module and a control module;
the acquisition module is used for acquiring a current oil pumping mode, wherein the current oil pumping mode comprises an automatic oil pumping mode and a manual oil pumping mode;
and the control module is used for controlling the electric pump to pump oil based on the current oil pumping mode acquired by the acquisition module.
Wherein the control module comprises: the monitoring submodule and the first control submodule;
the monitoring submodule is used for monitoring rail pressure in real time when the current oil pumping mode acquired by the acquisition module is the automatic oil pumping mode;
the first control submodule is used for controlling the electric pump to pump oil when the rail pressure monitored by the monitoring submodule is smaller than a preset rail pressure; and when the rail pressure monitored by the monitoring submodule is greater than or equal to the preset rail pressure, controlling the electric pump to stop pumping oil.
Wherein the manual oil pumping mode includes: manual oil pumping switch mode;
the control module includes: the detection submodule and the second control submodule;
the detection submodule is used for detecting an oil pumping switch signal when the current oil pumping mode acquired by the acquisition module is the manual oil pumping switch mode;
the second control submodule is used for controlling the electric pump to pump oil when the detection submodule detects an oil pumping switch signal indicating to start oil pumping; and when the detection submodule detects an oil pumping switch signal indicating that oil pumping is stopped, controlling the electric pump to stop pumping oil.
Wherein the manual oil pumping mode includes: manual oil pumping knob mode;
the control module includes: an acquisition submodule and a third control submodule;
the acquisition submodule is used for acquiring the oil pumping time set by a user through an oil pumping knob when the current oil pumping mode acquired by the acquisition submodule is the manual oil pumping knob mode;
and the third control sub-module is used for controlling the electric pump to pump oil based on the oil pumping time which is acquired by the acquisition sub-module and is set by the oil pumping knob by the user.
The technical scheme has the following beneficial effects:
according to the oil pumping control method and device provided by the invention, the current oil pumping mode can be obtained, the oil pumping mode is one of a manual oil pumping mode and an automatic oil pumping mode, and after the current oil pumping mode is obtained, the electric pump is controlled to pump oil based on the current oil pumping mode. Therefore, the oil pumping control method and the oil pumping control device can automatically control the electric pump to pump oil, and can manually trigger the electric pump to pump oil by a user, namely, various choices are provided for the user, and the manual oil pumping mode enables the user to control when to start oil pumping, so that the oil pumping can be avoided when the engine is normally started, and the waste caused by oil pumping during each starting is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of an oil pumping control method according to an embodiment of the present invention;
FIG. 2 is another schematic flow chart of an oil pumping control method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an oil pumping control device according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of an oil pumping control device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides an oil pumping control method, which is applied to an electronic control unit ECU, where the electronic control unit ECU is an engine controller, and please refer to fig. 1, which shows a flow diagram of the oil pumping control method provided in the embodiment of the present invention, and the oil pumping control method may include:
step S101: and acquiring the current oil pumping mode.
Wherein the current oil pumping mode is one of an automatic oil pumping mode and a manual oil pumping mode.
The automatic control mode is that the ECU automatically controls the electric pump to pump oil, and the manual oil pumping mode is that the electric pump is manually triggered by a user to pump oil, namely, the ECU controls the electric pump to pump oil based on a manual trigger signal of the user.
Step S102: and controlling the electric pump to pump oil based on the current oil pumping mode.
That is, if the current oil pumping mode is the automatic oil pumping mode, the electric pump is automatically controlled to pump oil, and if the current oil pumping mode is the manual oil pumping mode, the electric pump is controlled to pump oil based on a manual trigger signal of a user. In actual application, a user can select an oil pumping mode based on actual needs of the user.
According to the oil pumping control method provided by the embodiment of the invention, the current oil pumping mode can be obtained, the oil pumping mode is one of a manual oil pumping mode and an automatic oil pumping mode, and after the current oil pumping mode is obtained, the electric pump is controlled to pump oil based on the current oil pumping mode. Therefore, the oil pumping control method provided by the embodiment of the invention can automatically control the electric pump to pump oil, and can manually trigger the electric pump to pump oil by a user, namely, various choices are provided for the user, and the manual oil pumping mode enables the user to control when to start oil pumping, so that the oil pumping can be avoided when the engine is normally started, and the waste caused by oil pumping during each starting is avoided.
Referring to fig. 2, another flow chart of an oil pumping control method according to an embodiment of the present invention is shown, where the oil pumping control method is applied to an electronic control unit ECU, and the oil pumping control method may include:
step S201: and acquiring the current oil pumping mode.
Wherein the current oil pumping mode is one of an automatic oil pumping mode and a manual oil pumping mode. Further, the manual oil pumping mode may include: a manual oil pumping on-off mode and/or a manual oil pumping knob mode.
For convenience of description, the manual oil pumping mode including a manual oil pumping switch mode and a manual oil pumping knob mode will be described below as an example.
Step S202 a: and when the current oil pumping mode is the automatic oil pumping mode, monitoring the rail pressure in real time.
Step S203 a: and when the monitored rail pressure is less than the preset rail pressure, controlling the electric pump to pump oil.
The preset rail pressure can be the minimum rail pressure value of the engine with a fault.
Step S204 a: and when the monitored rail pressure is greater than or equal to the preset rail pressure, controlling the electric pump to stop pumping oil.
The above-described process is an oil pumping control process when the current oil pumping mode is the automatic oil pumping mode, and the following describes an oil pumping control process in which the current oil pumping mode is the manual oil pumping switch mode and the manual oil pumping knob mode:
step S202 b: and when the current oil pumping mode is the manual oil pumping switch mode, detecting an oil pumping switch signal.
Step S203 b: and when an oil pumping switch signal indicating the start of oil pumping is detected, controlling the electric pump to pump oil.
The oil pumping switch signal for indicating the start of oil pumping can be a high level signal, that is, when the high level signal is detected, the electric pump is controlled to pump oil.
Step S204 b: and controlling the electric pump to stop pumping oil when an oil pumping switch signal indicating to stop pumping oil is detected.
Wherein the oil pumping switch signal instructing to stop pumping oil is at a low level, that is, when the low level signal is detected, the electric pump is controlled to stop pumping oil.
Illustratively, the user wants to control the electric pump to pump oil by himself, when the user operates the oil pumping switch to start pumping oil, the ECU detects a high level signal to control the electric pump to pump oil, after the oil pumping switch is operated for a period of time, the user wants to stop pumping oil, at the moment, the user can operate the oil pumping switch to stop pumping oil, when the user operates the oil pumping switch to stop pumping oil, the ECU detects a low level signal to control the electric pump to stop pumping oil.
The manual oil pumping switch mode enables a user to control the electric oil pumping or stop oil pumping through the oil pumping switch, and the user can control when to start oil pumping and stop oil pumping, namely, the oil pumping is carried out when the user needs the oil pumping, and the oil pumping is not carried out when the user does not need the oil pumping.
The following describes an oil pumping process in which the current oil pumping mode is a manual oil pumping knob mode:
step S202 c: when the current oil pumping mode is the manual oil pumping knob mode, the oil pumping time set by the user through the oil pumping knob is obtained.
When the oil pumping mode is the manual oil pumping knob mode, the user may set the oil pumping time by rotating the oil pumping knob, for example, the oil pumping time may be set to 10 minutes.
Step S203 c: the control electric pump pumps oil based on the oil pumping time set by the user through the oil pumping knob.
Step S204 c: and when the actual oil pumping time reaches the oil pumping time set by the user based on the oil pumping knob, controlling the electric pump to stop pumping oil.
Some users have own understanding and demand to the pump oil time, and manual pump oil knob mode satisfies the demand that can this type of user, and the user can oneself set for the pump oil time to make ECU carry out the pump oil according to the pump oil time control electric pump that the user set for.
According to the oil pumping control method provided by the embodiment of the invention, the current oil pumping mode can be obtained, the oil pumping mode is one of a manual oil pumping mode, a manual oil pumping switch mode and a manual oil pumping knob mode, and after the current oil pumping mode is obtained, the electric pump is controlled to pump oil based on the current oil pumping mode. The oil pumping control method provided by the embodiment of the invention can automatically control the electric pump to pump oil, and can manually trigger the electric pump to pump oil by a user, namely, various choices are provided for the user, wherein the manual oil pumping switch mode enables the user to control when the oil pumping is started and when the oil pumping is stopped, so that the waste caused by the fact that the oil pumping is started every time in the prior art is avoided, and the manual oil pumping knob mode enables the user to set the oil pumping time by himself, so that the situation that the engine is difficult to start due to too short oil pumping time or the rail pressure is high due to too long oil pumping time is avoided. Therefore, the oil pumping control method provided by the embodiment of the invention enables a user to select the mode according to the vehicle condition, the user can set the oil pumping time according to the actual condition, the user can solve the problem of insufficient power caused by insufficient oil pumping in a short time, and the problem of starting an engine can be solved more flexibly.
Corresponding to the above oil pumping control method, an embodiment of the present invention further provides an oil pumping control device, where the oil pumping control device is applied to an electronic control unit ECU, please refer to fig. 3, which shows a schematic structural diagram of the oil pumping control device, and may include: an acquisition module 301 and a control module 302.
An obtaining module 301, configured to obtain a current oil pumping mode.
Wherein, the current oil pumping mode comprises an automatic oil pumping mode and a manual oil pumping mode.
And the control module 302 is used for controlling the electric pump to pump oil based on the current oil pumping mode acquired by the acquisition module.
That is, if the current oil pumping mode is the automatic oil pumping mode, the electric pump is automatically controlled to pump oil, and if the current oil pumping mode is the manual oil pumping mode, the electric pump is controlled to pump oil based on a manual trigger signal of a user. In actual application, a user can set the oil pumping mode based on the actual requirement of the user.
The oil pumping control device provided by the embodiment of the invention can acquire the current oil pumping mode, the oil pumping mode is one of a manual oil pumping mode and an automatic oil pumping mode, and after the current oil pumping mode is acquired, the electric pump is controlled to pump oil based on the current oil pumping mode. Therefore, the oil pumping control device provided by the embodiment of the invention can automatically control the electric pump to pump oil, and can manually trigger the electric pump to pump oil by a user, namely, various choices are provided for the user, and the manual oil pumping mode enables the user to control when to start oil pumping, so that the oil pumping can be avoided when the engine is normally started, and the waste caused by oil pumping during each starting is avoided.
Referring to fig. 4, another schematic structural diagram of an oil pumping control device according to an embodiment of the present invention is shown, where the oil pumping control device is applied to an electronic control unit ECU, and the oil pumping control device may include: an acquisition module 401 and a control module 402.
An obtaining module 401 is configured to obtain a current oil pumping mode.
Wherein, the current oil pumping mode comprises an automatic oil pumping mode and a manual oil pumping mode. Further, the manual oil pumping mode may include: a manual oil pumping on-off mode and/or a manual oil pumping knob mode.
And a control module 402, configured to control the electric pump to pump oil based on the current oil pumping mode obtained by the obtaining module.
Further, the control module 402 includes: a monitoring sub-module 4021a and a first control sub-module 4022 a.
The monitoring submodule 4021a is configured to monitor the rail pressure in real time when the current oil pumping mode acquired by the acquisition module is the automatic oil pumping mode.
The first control submodule 4022a is used for controlling the electric pump to pump oil when the rail pressure monitored by the monitoring submodule 4021a is less than a preset rail pressure; and when the rail pressure monitored by the monitoring submodule 4021a is greater than or equal to the preset rail pressure, controlling the electric pump to stop pumping oil.
The control module 402 may further include: a detection sub-module 4021b and a second control sub-module 4022b, and/or an acquisition sub-module 4021c and a third control sub-module 4022 c. Wherein:
the detection submodule 4021b is configured to detect an oil pumping switch signal when the current oil pumping mode acquired by the acquisition module 401 is a manual oil pumping switch mode.
The second control submodule 4022b is configured to control the electric pump to pump oil when the detection submodule 4021b detects an oil pumping switch signal indicating that oil pumping is started; and when the detection submodule 4021b detects an oil pumping switch signal instructing to stop pumping oil, controlling the electric pump to stop pumping oil.
The obtaining submodule 4021c is configured to obtain an oil pumping time set by a user based on an oil pumping knob when the current oil pumping mode obtained by the obtaining module 401 is the manual oil pumping knob mode.
And the third control sub-module 4022c is used for controlling the electric pump to pump oil based on the oil pumping time acquired by the acquisition sub-module.
The oil pumping control device provided by the embodiment of the invention can acquire the current oil pumping mode, and control the electric pump to pump oil based on the current oil pumping mode after acquiring the current oil pumping mode. Therefore, the oil pumping control device provided by the embodiment of the invention can automatically control the electric pump to pump oil, and can manually trigger the electric pump to pump oil by a user, namely, various choices are provided for the user, wherein the manual oil pumping switch mode enables the user to control when the oil pumping is started and when the oil pumping is stopped, so that the waste caused by oil pumping at each starting in the prior art is avoided, and the manual oil pumping knob mode enables the user to set the oil pumping time by himself, so that the situation that the engine is difficult to start due to too short oil pumping time or the rail pressure is high due to too long oil pumping time is avoided.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the several embodiments provided in the present application, it should be understood that the disclosed method, apparatus, and device may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An oil pumping control method applied to an Electronic Control Unit (ECU), the oil pumping control method comprising:
acquiring a current oil pumping mode, wherein the current oil pumping mode is one of an automatic oil pumping mode and a manual oil pumping mode;
controlling the electric pump to pump oil based on the current oil pumping mode; the controlling the electric pump to pump oil based on the current oil pumping mode includes:
when the current oil pumping mode is the automatic oil pumping mode, monitoring rail pressure in real time;
when the monitored rail pressure is smaller than the preset rail pressure, controlling the electric pump to pump oil so as to solve the problem of insufficient power of the engine caused by insufficient oil pumping; presetting rail pressure as a minimum rail pressure value of the engine with a fault;
and if the monitored rail pressure is greater than or equal to the preset rail pressure, controlling the electric pump to stop pumping oil.
2. The oil pumping control method according to claim 1, wherein the manual oil pumping mode includes: manual oil pumping switch mode;
the controlling the electric pump to pump oil based on the current oil pumping mode includes:
when the current oil pumping mode is the manual oil pumping switch mode, detecting an oil pumping switch signal;
and when an oil pumping switch signal indicating starting of oil pumping is detected, controlling the electric pump to pump oil.
3. The oil pumping control method according to claim 2, further comprising:
and when the current oil pumping mode is the manual oil pumping switch mode, if an oil pumping switch signal indicating that oil pumping is stopped is detected, controlling the electric pump to stop pumping oil.
4. The oil pumping control method according to claim 1, wherein the manual oil pumping mode includes: manual oil pumping knob mode;
the controlling the electric pump to pump oil based on the current oil pumping mode includes:
when the current oil pumping mode is the manual oil pumping knob mode, acquiring oil pumping time set by a user through an oil pumping knob;
and controlling the electric pump to pump oil based on the oil pumping time set by the user through the oil pumping knob.
5. An oil pumping control device, applied to an Electronic Control Unit (ECU), comprising: the device comprises an acquisition module and a control module;
the acquisition module is used for acquiring a current oil pumping mode, wherein the current oil pumping mode comprises an automatic oil pumping mode and a manual oil pumping mode;
the control module is used for controlling the electric pump to pump oil based on the current oil pumping mode acquired by the acquisition module;
the control module includes: the monitoring submodule and the first control submodule;
the monitoring submodule is used for monitoring rail pressure in real time when the current oil pumping mode acquired by the acquisition module is the automatic oil pumping mode;
the first control submodule is used for controlling the electric pump to pump oil when the rail pressure monitored by the monitoring submodule is smaller than a preset rail pressure so as to solve the problem of insufficient power of the engine caused by insufficient oil pumping; when the rail pressure monitored by the monitoring submodule is greater than or equal to the preset rail pressure, controlling the electric pump to stop pumping oil; the preset rail pressure is the minimum rail pressure value of the engine with faults.
6. The oil pumping control device of claim 5, wherein the manual oil pumping mode comprises: manual oil pumping switch mode;
the control module includes: the detection submodule and the second control submodule;
the detection submodule is used for detecting an oil pumping switch signal when the current oil pumping mode acquired by the acquisition module is the manual oil pumping switch mode;
the second control submodule is used for controlling the electric pump to pump oil when the detection submodule detects an oil pumping switch signal indicating to start oil pumping; and when the detection submodule detects an oil pumping switch signal indicating that oil pumping is stopped, controlling the electric pump to stop pumping oil.
7. The oil pumping control device of claim 5, wherein the manual oil pumping mode comprises: manual oil pumping knob mode;
the control module includes: an acquisition submodule and a third control submodule;
the acquisition submodule is used for acquiring the oil pumping time set by a user through an oil pumping knob when the current oil pumping mode acquired by the acquisition submodule is the manual oil pumping knob mode;
and the third control sub-module is used for controlling the electric pump to pump oil based on the oil pumping time which is acquired by the acquisition sub-module and is set by the oil pumping knob by the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441113.5A CN108087136B (en) | 2017-12-27 | 2017-12-27 | Oil pumping control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441113.5A CN108087136B (en) | 2017-12-27 | 2017-12-27 | Oil pumping control method and device |
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| CN108087136A CN108087136A (en) | 2018-05-29 |
| CN108087136B true CN108087136B (en) | 2020-08-21 |
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| DE10127516A1 (en) * | 2001-06-06 | 2002-12-12 | Bosch Gmbh Robert | Operating internal combustion engine involves switching on additional electrically driven fuel pump at least for starting process to feed fuel directly to common fuel rail at raised pressure |
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| CN2373595Y (en) * | 1999-05-22 | 2000-04-12 | 黎树强 | Automatic pressure oil pump |
| US6253739B1 (en) * | 1999-12-17 | 2001-07-03 | Daimlerchrysler Corporation | Dual function fuel supply module |
| JP4046056B2 (en) * | 2003-09-22 | 2008-02-13 | いすゞ自動車株式会社 | diesel engine |
| CN2716568Y (en) * | 2004-06-30 | 2005-08-10 | 上海中欧汽车电器有限公司 | Manual and electric integral hydraulic pump for automobile |
| CN2797651Y (en) * | 2004-09-24 | 2006-07-19 | 邱文栋 | Fuel-saving device for diesel automobile |
| CN200964955Y (en) * | 2006-10-24 | 2007-10-24 | 何守占 | Energy-saving automatic electric pump |
| CN206737010U (en) * | 2017-01-17 | 2017-12-12 | 青岛雷沃工程机械有限公司 | A kind of excavator can set the automatic fuelling device of volume read-out |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10127516A1 (en) * | 2001-06-06 | 2002-12-12 | Bosch Gmbh Robert | Operating internal combustion engine involves switching on additional electrically driven fuel pump at least for starting process to feed fuel directly to common fuel rail at raised pressure |
| JP2007187009A (en) * | 2006-01-11 | 2007-07-26 | Toyota Motor Corp | Fuel injection quantity control device and internal combustion engine provided with same |
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| CN108087136A (en) | 2018-05-29 |
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