CN107725200B - Throttle control system of engine - Google Patents
Throttle control system of engine Download PDFInfo
- Publication number
- CN107725200B CN107725200B CN201711142702.3A CN201711142702A CN107725200B CN 107725200 B CN107725200 B CN 107725200B CN 201711142702 A CN201711142702 A CN 201711142702A CN 107725200 B CN107725200 B CN 107725200B
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- Prior art keywords
- rod
- public
- sleeve
- connecting rod
- arc
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 32
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/04—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by mechanical control linkages
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of marine engine design and manufacturing, and particularly relates to an engine throttle control system which comprises a public rod, a connecting rod, a main driving device and a manual driving device, wherein the main driving device and the manual driving device are used for driving the public rod to rotate positively and negatively; one end of the connecting rod is hinged with the public rod, the other end of the connecting rod is hinged with the control rod of the oil injection valve, and when the public rod rotates forward or reversely, the connecting rod can drive the control rod of the oil injection valve to move, so that the oil injection valve is controlled to be filled with or reduced in oil; the main driving device comprises a speed regulator, the manual driving device comprises a handle, and the handle and an output shaft of the speed regulator are in clutch transmission fit with the public bar, so that one of the handle and the output shaft of the speed regulator can be selected to drive the public bar to rotate positively and negatively. The speed regulator and the handle can be selectively matched with the public rod in a transmission way, and when the speed regulator fails, the handle can be used for controlling the size of the throttle, so that the transmission structure is simple, and the switching is convenient and quick.
Description
Technical Field
The invention belongs to the technical field of design and manufacture of marine engines, and particularly relates to an accelerator control system of an engine.
Background
The throttle of the marine fuel engine or the dual-fuel engine is generally controlled through a speed regulator, however, in the actual use process, the speed regulator occasionally fails, is blocked and the like, under the condition, the manual control of the engine for oiling and oil reduction is needed, however, the manual control system in the prior art has a complex structure and is difficult to switch, and when a ship encounters an emergency, the manual control rod cannot be used for controlling the engine to stop emergently.
Disclosure of Invention
The invention aims to provide an engine throttle control system capable of performing emergency control on an engine throttle when a speed regulator fails.
In order to achieve the above purpose, the present invention provides the following technical solutions: an accelerator control system of an engine comprises a public rod, a connecting rod, a main driving device and a manual driving device, wherein the main driving device and the manual driving device are used for driving the public rod to rotate positively and negatively; one end of the connecting rod is hinged with the public rod, the other end of the connecting rod is hinged with the control rod of the oil injection valve, the axes of the hinged shafts are parallel to the axes of the public rod, and when the public rod rotates positively or reversely, the connecting rod can drive the control rod of the oil injection valve to move, so that the oil injection valve is controlled to be filled with or reduced in oil; the main driving device comprises a speed regulator, the manual driving device comprises a handle, and the handle and an output shaft of the speed regulator are in clutch transmission fit with the public bar, so that one of the handle and the output shaft of the speed regulator can be selected to drive the public bar to rotate positively and negatively.
The output shaft of the speed regulator is provided with a first sleeve, the first sleeve is sleeved on the output shaft in an empty mode, a first locking mechanism is arranged between the first sleeve and the output shaft, when the first locking mechanism is locked, the first sleeve is synchronously and rotatably connected with the output shaft, and when the first locking mechanism is released, the first sleeve and the output shaft form relative rotation fit; the outer wall of the first sleeve is fixedly connected with a first crank, the overhanging end of the first crank is hinged with one end of a first connecting rod, and the other end of the first connecting rod is hinged with a first swing arm which is arranged on the public rod in a protruding way along the radial direction.
The manual driving device further comprises a rotating shaft which is parallel to the public rod, a second sleeve is arranged on the rotating shaft, the second sleeve is sleeved on the rotating shaft in an empty mode, a second locking mechanism is arranged between the second sleeve and the rotating shaft, when the second locking mechanism is locked, the second sleeve is connected with the rotating shaft in a synchronous rotating mode, and when the second locking mechanism is released, the second sleeve and the rotating shaft form relative rotating fit; the rotating shaft is fixedly connected with a second crank, the overhanging end of the second crank is hinged with one end of a second connecting rod, and the other end of the second connecting rod is hinged with a second swing arm which is arranged on the public rod in a protruding way along the radial direction.
An arc hole is formed in the second sleeve in the circumferential direction, a blocking pin is arranged on the rotating shaft in a protruding mode in the radial direction, and the blocking pin is inserted into the arc hole and is blocked with two ends of the arc hole.
The second locking mechanism comprises a second sleeve, a pin hole formed in the rotating shaft along the radial direction, and a bolt which is detachably spliced and matched with the pin hole.
The first locking mechanism comprises a first sleeve, a pin hole formed in the output shaft of the speed regulator and a bolt which is in plug-in fit with the pin hole.
The first link is a spring damper.
The manual driving device further comprises a handle limiting mechanism, wherein the handle limiting mechanism comprises an arc plate fixedly arranged at the side of the handle, an arc notch used for limiting the swing angle of the handle is arranged on the arc plate, and the handle is blocked and connected with two ends of the arc notch; the handle is also provided with an overhanging board overhanging the arc board surface area, the overhanging board is provided with a locating pin, the locating pin is arranged along the radial direction of the arc board, the locating pin is movably arranged on the overhanging board along the axis direction of the locating pin, and the arc board is provided with a locating hole matched with the locating pin.
The public rod is provided with a hinged support, and the hinged support is provided with two pin shafts parallel to the public rod; the connecting rod is hinged on a movable block, two arc-shaped grooves are formed in the edge of the movable block and are respectively clamped on two pin shafts, the hinge shafts between the connecting rod and the movable block and the two pin shafts are distributed on three vertexes of a triangle when seen along the axis direction of the public rod, a tension spring is arranged between the hinge shaft between the connecting rod and the movable block and the hinge support, the two pin shafts are respectively positioned on two sides of the tension spring, and the two arc-shaped grooves and the two pin shafts can be elastically abutted by the elasticity of the tension spring.
The invention has the technical effects that: the speed regulator and the handle can be selectively matched with the public rod in a transmission way, when the speed regulator fails, the handle can be used for controlling the size of the throttle, the transmission structure is simple, and the switching is convenient and quick; in addition, when the speed regulator in the invention fails, the emergency stop can be performed by using the handle without switching.
Drawings
FIG. 1 is a schematic perspective view of an engine throttle control system according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a main driving device and a manual driving device according to an embodiment of the present invention, in which a speed regulator is omitted for convenience of observation;
fig. 3 is a schematic perspective view of a manual driving device according to an embodiment of the present invention;
FIG. 4 is an exploded view of a manual drive provided by an embodiment of the present invention;
fig. 5 is a schematic view of an assembly structure of a connecting rod and a common rod according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, an engine throttle control system comprises a common rod 1, a connecting rod 8, a main driving device and a manual driving device, wherein the main driving device and the manual driving device are used for driving the common rod 1 to rotate in the forward and reverse directions; one end of the connecting rod 8 is hinged with the public rod 1, the other end of the connecting rod 8 is hinged with a control rod of the oil injection valve 13, the axes of the hinged shafts are parallel to the axes of the public rod 1, and when the public rod 1 rotates positively or reversely, the connecting rod 8 can drive the control rod of the oil injection valve 13 to move, so that the oil injection valve 13 is controlled to be filled with or reduced in oil; the main driving device comprises a speed regulator 2, the manual driving device comprises a handle 3, and the handle 3 and an output shaft 4 of the speed regulator 2 are in clutch transmission fit with the public bar 1, so that one of the handle and the public bar 1 can be selected to drive the public bar 1 to rotate positively and negatively. According to the invention, the speed regulator 2 and the handle 3 can be selectively matched with the public rod 1 in a transmission way, when the speed regulator 2 fails, the size of an accelerator can be controlled by the handle 3, the transmission structure is simple, and the switching is convenient and quick.
Example 1
As shown in fig. 2, the output shaft 4 of the speed regulator 2 is provided with a first sleeve 14, the first sleeve 14 is sleeved on the output shaft 4 in an empty mode, a first locking mechanism is arranged between the first sleeve 14 and the output shaft 4, when the first locking mechanism is locked, the first sleeve 14 is connected with the output shaft 4 in a synchronous rotation mode, and when the first locking mechanism is released, the first sleeve 14 and the output shaft 4 form relative rotation fit; the outer wall of the first sleeve 14 is fixedly connected with a first crank 5, the overhanging end of the first crank 5 is hinged with one end of a first connecting rod 6, and the other end of the first connecting rod 6 is hinged with a first swing arm 7 which is arranged on the public rod 1 in a protruding way along the radial direction.
The manual driving device further comprises a rotating shaft 9 which is parallel to the public rod 1, a second sleeve 17 is arranged on the rotating shaft 9, the second sleeve 17 is sleeved on the rotating shaft 9 in an empty mode, a second locking mechanism is arranged between the second sleeve 17 and the rotating shaft 9, when the second locking mechanism is locked, the second sleeve 17 is connected with the rotating shaft 9 in a synchronous rotating mode, and when the second locking mechanism is released, the second sleeve 17 and the rotating shaft 9 form relative rotating fit; the rotating shaft 9 is fixedly connected with a second crank 10, the overhanging end of the second crank 10 is hinged with one end of a second connecting rod 11, and the other end of the second connecting rod 11 is hinged with a second swing arm 12 which is arranged on the public rod 1 in a protruding and extending way along the radial direction.
In addition to this embodiment, the person skilled in the art, in the light of the present disclosure, shall also be able to find other embodiments for realizing a clutch transmission between the main drive and the manual drive and the common bar 1. For example: the handle 3 and the output shaft 4 of the speed regulator 2 are directly connected to the two ends of the common rod 1 through a clutch, and the transmission mode of the crank connecting rod 8 is not adopted. However, the technical solution of this embodiment has obvious technical advantages compared with other embodiments, for example, the present invention uses the crank connecting rod 8 transmission mechanism to drive the common rod 1 to enable the torque to be controllable, and only the lengths of the first connecting rod 6 and the second connecting rod 11 need to be adjusted to adjust the driving torque.
Example 2
As shown in fig. 3 and 4, on the basis of embodiment 1, an arc hole 20 is circumferentially provided on the second sleeve 17 of this embodiment, a stop pin 21 is radially protruding on the rotating shaft 9, and the stop pin 21 is inserted into the arc hole 20 and is blocked from both ends of the arc hole 20. In the general process of throttle control, the common rod 1 only rotates reciprocally within a certain angle range, but the arc-shaped hole 20 in the embodiment just can ensure that the handle 3 is not affected when the common rod 1 rotates within the angle range, but when the speed regulator 2 fails and the throttle is in a refueling state, the handle 3 is still moved to control the throttle to be closed, and the principle is that: when the throttle is in a refueling state, the stop pin 21 is in stop connection with the upper end of the arc-shaped hole 20 in the figure, and the handle 3 is moved downwards at the moment, so that the rotating shaft 9 can drive the public rod 1 to rotate in the direction of reducing the oil, and no power switching is needed in the process.
Preferably, the second locking mechanism comprises a second sleeve 17, a pin hole 22 formed on the rotating shaft 9 along the radial direction, and a bolt which is detachably inserted and matched with the pin hole 22. The first locking mechanism comprises a first sleeve 14, a pin hole formed in the output shaft 4 of the speed regulator 2 and a bolt 23 which is in plug-in fit with the pin hole. When the speed regulator 2 fails, an operator only needs to replace the bolt on the first sleeve 14 with the bolt on the second sleeve 17.
Preferably, the first link 6 is a spring damper to ensure that the emergency stop operation can still be performed when the governor 2 is stuck.
Preferably, the manual driving device further comprises a handle limiting mechanism, the handle limiting mechanism comprises an arc-shaped plate 15 fixedly arranged at the side of the handle 3, an arc-shaped notch 19 for limiting the swinging angle of the handle 3 is arranged on the arc-shaped plate 15, and the handle 3 is blocked and connected with two ends of the arc-shaped notch 19; the handle 3 is also provided with an overhanging board 18 overhanging the board surface area of the arc-shaped board 15, the overhanging board 18 is provided with a positioning pin 16, the positioning pin 16 is arranged along the radial direction of the arc-shaped board 15, the positioning pin 16 is movably arranged on the overhanging board 18 along the axis direction of the positioning pin 16, and the arc-shaped board 15 is provided with a positioning hole 24 matched with the positioning pin 16.
Example 3
As shown in fig. 5, the public bar 1 is provided with a hinged support 25, and the hinged support 25 is provided with two pins 26 parallel to the public bar 1; the connecting rod 8 is hinged on a movable block 28, two arc-shaped grooves are formed in the edge of the movable block 28 and are respectively clamped on two pin shafts 26, the hinge shaft between the connecting rod 8 and the movable block 28 and the two pin shafts 26 are distributed on three vertexes of a triangle when seen along the axis direction of the public rod 1, a tension spring 28 is arranged between the hinge shaft between the connecting rod 8 and the movable block 28 and the hinge support 25, the two pin shafts 26 are respectively positioned on two sides of the tension spring 28, and the elasticity of the tension spring 28 can enable the two arc-shaped grooves to be elastically abutted against the two pin shafts 26. The action principle of the mechanism is as follows: taking the position shown in fig. 5 as an example, when oiling, the public bar 1 rotates leftwards, and at the moment, the movable block 28 takes the right pin shaft 26 as a support to drive the connecting rod 8 to move leftwards; when oil is reduced, the public bar 1 rotates rightwards, and at the moment, the movable block 28 takes the left pin shaft 26 as a support to drive the connecting rod 8 to retract rightwards. Wherein the tension spring 28 has the function of: when one of the links 8 is locked, the common rod 1 can also drive the other links 8 to act.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. An engine throttle control system, characterized in that: comprises a public bar (1), a connecting rod (8), a main driving device and a manual driving device, wherein the main driving device and the manual driving device are used for driving the public bar (1) to rotate positively and negatively; one end of the connecting rod (8) is hinged with the public rod (1), the other end of the connecting rod is hinged with a control rod of the oil injection valve (13), the axes of the hinged shafts are parallel to the axes of the public rod (1), and when the public rod (1) rotates positively or reversely, the connecting rod (8) can drive the control rod of the oil injection valve (13) to move, so that the oil injection valve (13) is controlled to be filled with or reduced in oil; the main driving device comprises a speed regulator (2), the manual driving device comprises a handle (3), and the handle (3) and an output shaft of the speed regulator (2) are in clutch transmission fit with the public bar (1) so that one of the handle and the output shaft can drive the public bar (1) to rotate forwards and backwards;
the manual driving device further comprises a rotating shaft (9) which is parallel to the public rod (1), a second sleeve (17) is arranged on the rotating shaft (9), the second sleeve (17) is sleeved on the rotating shaft (9) in an empty mode, a second locking mechanism is arranged between the second sleeve (17) and the rotating shaft (9), when the second locking mechanism is locked, the second sleeve (17) is connected with the rotating shaft (9) in a synchronous rotating mode, and when the second locking mechanism is released, the second sleeve (17) and the rotating shaft (9) form relative rotating fit; a second crank (10) is fixedly connected to the rotating shaft (9), the overhanging end of the second crank (10) is hinged with one end of a second connecting rod (11), and the other end of the second connecting rod (11) is hinged with a second swing arm (12) which is arranged on the public rod (1) in a protruding way along the radial direction;
an arc-shaped hole (20) is formed in the second sleeve (17) along the circumferential direction, a blocking pin (21) is arranged on the rotating shaft (9) in a protruding mode along the radial direction, and the blocking pin (21) is inserted into the arc-shaped hole (20) and is blocked with two ends of the arc-shaped hole (20);
the output shaft (4) of the speed regulator (2) is provided with a first sleeve (14), the first sleeve (14) is sleeved on the output shaft (4) in an empty mode, a first locking mechanism is arranged between the first sleeve (14) and the output shaft (4), when the first locking mechanism is locked, the first sleeve (14) is synchronously and rotationally connected with the output shaft (4), and when the first locking mechanism is released, the first sleeve (14) and the output shaft (4) form relative rotation fit; a first crank (5) is fixedly connected to the outer wall of the first sleeve (14), the overhanging end of the first crank (5) is hinged with one end of a first connecting rod (6), and the other end of the first connecting rod (6) is hinged with a first swing arm (7) which is arranged on the public rod (1) in a protruding way along the radial direction;
the first connecting rod (6) is a spring damper.
2. The throttle control system of an engine according to claim 1, characterized in that: the second locking mechanism comprises a second sleeve (17), a pin hole (22) formed in the rotating shaft (9) along the radial direction, and a bolt which is detachably inserted and matched with the pin hole (22).
3. The throttle control system of an engine according to claim 1, characterized in that: the first locking mechanism comprises a first sleeve (14), a pin hole formed in an output shaft (4) of the speed regulator (2) and a bolt (23) which is in plug-in fit with the pin hole.
4. The throttle control system of an engine according to claim 1, characterized in that: the manual driving device further comprises a handle limiting mechanism, the handle limiting mechanism comprises an arc-shaped plate (15) fixedly arranged beside the handle (3), an arc-shaped notch (19) used for limiting the swinging angle of the handle (3) is arranged on the arc-shaped plate (15), and the handle (3) is blocked and connected with two ends of the arc-shaped notch (19); the handle (3) is further provided with an overhanging board (18) overhanging the board surface area of the arc-shaped board (15), the overhanging board (18) is provided with a positioning pin (16), the positioning pin (16) is arranged along the radial direction of the arc-shaped board (15), the positioning pin (16) is movably arranged on the overhanging board (18) along the axis direction of the positioning pin (16), and the arc-shaped board (15) is provided with a positioning hole (24) matched with the positioning pin (16).
5. The throttle control system of an engine according to claim 1, characterized in that: a hinged support (25) is arranged on the public bar (1), and two pin shafts (26) parallel to the public bar (1) are arranged on the hinged support (25); the connecting rod (8) is hinged to a movable block (27), two arc-shaped grooves are formed in the edge of the movable block (27), the two arc-shaped grooves are respectively clamped on two pin shafts (26), the hinge shaft between the connecting rod (8) and the movable block (27) and the two pin shafts (26) are distributed on three vertexes of a triangle when seen along the axis direction of the public rod (1), a tension spring (28) is arranged between the hinge shaft between the connecting rod (8) and the movable block (27) and the hinge support (25), the two pin shafts (26) are respectively located on two sides of the tension spring (28), and the two arc-shaped grooves and the two pin shafts (26) can be elastically abutted tightly by the elastic force of the tension spring (28).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711142702.3A CN107725200B (en) | 2017-11-17 | 2017-11-17 | Throttle control system of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711142702.3A CN107725200B (en) | 2017-11-17 | 2017-11-17 | Throttle control system of engine |
Publications (2)
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CN107725200A CN107725200A (en) | 2018-02-23 |
CN107725200B true CN107725200B (en) | 2023-11-21 |
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CN201711142702.3A Active CN107725200B (en) | 2017-11-17 | 2017-11-17 | Throttle control system of engine |
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CN (1) | CN107725200B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109139270A (en) * | 2018-10-25 | 2019-01-04 | 中船动力研究院有限公司 | A kind of speed adjusting gear and diesel engine |
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JP2003269194A (en) * | 2002-03-11 | 2003-09-25 | Yanmar Co Ltd | Mechanical governor for diesel engine |
CN2698991Y (en) * | 2004-02-10 | 2005-05-11 | 任祥林 | Electronic accelerator switching mechanism |
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CN102022195A (en) * | 2010-12-20 | 2011-04-20 | 福田雷沃国际重工股份有限公司 | Hand throttle operation mechanism |
CN202718764U (en) * | 2012-07-06 | 2013-02-06 | 南车玉柴四川发动机股份有限公司 | Manual fuel supply control system of diesel engine |
CN104612838A (en) * | 2013-11-05 | 2015-05-13 | 常柴股份有限公司 | Speed adjuster of single-cylinder diesel engine |
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GB2017339A (en) * | 1978-02-14 | 1979-10-03 | Barkas Werke Veb | A control device for injection pumps of diesel engines |
GB2051406A (en) * | 1979-05-04 | 1981-01-14 | List H | Speed governor for diesel engines |
US4898137A (en) * | 1986-03-31 | 1990-02-06 | Yamaha Hatsudoki Kabushiki Kaisha | Control device for vehicle |
CN2036208U (en) * | 1988-05-31 | 1989-04-19 | 大连天新新技术开发公司 | Electronic governor actuator for diesel engine |
CN2066897U (en) * | 1990-05-11 | 1990-12-05 | 大连理工大学汽车电子公司 | Electronic speed governor executive system for diesel engine |
JPH1047085A (en) * | 1996-07-30 | 1998-02-17 | Mitsubishi Heavy Ind Ltd | Mechanical type governor device for engine |
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CN2698991Y (en) * | 2004-02-10 | 2005-05-11 | 任祥林 | Electronic accelerator switching mechanism |
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CN207454112U (en) * | 2017-11-17 | 2018-06-05 | 安庆中船柴油机有限公司 | A kind of throttle control system of engine |
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CN107725200A (en) | 2018-02-23 |
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