CN201106491Y - Negative correction and supercharging compensator apparatus of fuel injection pump speed regulator - Google Patents
Negative correction and supercharging compensator apparatus of fuel injection pump speed regulator Download PDFInfo
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- CN201106491Y CN201106491Y CNU2007200082596U CN200720008259U CN201106491Y CN 201106491 Y CN201106491 Y CN 201106491Y CN U2007200082596 U CNU2007200082596 U CN U2007200082596U CN 200720008259 U CN200720008259 U CN 200720008259U CN 201106491 Y CN201106491 Y CN 201106491Y
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Abstract
The utility model relates to a negative correction and pressure increase compensator device of an in-line fuel injection pump speed controller, which is applied to a direct-spray supercharged diesel, wherein, a pressure increase compensator part is arranged at the top of a rear casing of the speed controller; a membrane shaft on the pressure increase compensator part is connected with a conversion arm all the time under the action of a conversion arm reset torsional spring by a connecting bolt; the front of a lower arm of the conversion arm is connected with a speed-regulating arm; the back is connected with a positive correction post rod; thrust generated by diesel atmospheric pressure is transferred into a negative correction device contacted with the lower arm of the conversion arm by the membrane shaft, so the diesel fuel mass is controlled; a speed-control lever part of the negative correction device is composed of a speed-regulating lever, a negative correction bracket, a negative correction connecting pin, a negative correction reset torsional spring, etc. The speed-regulating lever, the negative correction bracket, the negative correction connecting pin and the negative correction reset torsional spring can swing around a middle shaft which passes through a lining of the speed-regulating arm. The negative correction and pressure increase compensator device has the advantages of sensitive speed regulation, reasonable design, simple structure, easy processing, convenient regulation and wide use, and can be used for the direct-spray supercharged diesels in various application situations of transport cars, ships, engineering machinery, agricultural machinery, etc.
Description
Affiliated technical field
The utility model relates to a kind of fuel injection apparatus of diesel engine, is specifically related to a kind of negative correction and boost compensator device of jetting pump speed regulating machine of the in-line arrangement that is applicable to direct injection diesel engine.
Background technique
Along with the enforcement of national automobile second stage emission standard, constantly popularizing of miniature high-speed type superchargingization for reducing the discharging of diesel engine, requires jetting pump speed regulating machine band negative correction and boost compensator device.At present: the negative correction device of the BQ pump speed regulator of the existing patent No.: ZL200420019825X1, the lower end and the speed-regulating arm of its negative correction support are hinged, the middle part links to each other with governor lever by the negative correction connecting pin, since negative correction support and governor lever do not have resemble reduction torsion spring and so on make both when low speed, become as a whole object, so both are loosely organized; Especially when Injection Pump was adjusted, the ratch zero-bit changed with the adjustment of negative correction device, and the adjustment and the use of these oil feed pumps have brought difficulty; The existing patent No.: 2004200969835 boost compensator apparatus structure complexity, manufacture cost height, inconvenient debugging, this has brought certain difficulty to practical application, therefore produces in batches so far.Other has the boost compensator device of the speed regulator of external MOTORPAL production, the lower end of diaphragm axle contacts with connecting rod by rocking arm, one end and the pull bar of connecting rod are hinged, the other end links to each other with rob support by the top stage clip connecting pin that is provided with, when pressure change, the diaphragm axle drives rocking arm and rotates, thereby drive the rotation of rob support, reach moving of control pull rod at last and regulate the purpose of fuel delivery size, but hinder rob support and move to big oil mass direction in order to solve when the state of starting operating rocking arm, specially increased by a cover solenoid valve, this has brought inconvenience for adjustment and use, and along with customer requirements improves constantly, for example, just can not satisfy requirement, certainly because of the big oil mass of idling on-load needs, can improve on this basis, but structure will become very complicated.
Summary of the invention
The purpose of this utility model is to provide a kind of negative correction and boost compensator device of jetting pump speed regulating machine.These apparatus structure compactnesses, cost are low, easy to adjust, it is reliable to use, and can satisfy the requirement to Injection Pump of supercharged diesel engine smoke intensity, discharging and external characteristic curve equally in global extent.
The technical solution of the utility model is:
The negative correction of jetting pump speed regulating machine and boost compensator device, by the fast lever part of control, speed-regulating arm, negative correction device parts, the boost compensator parts, the conversion arm axle, the transition arm reduction torsion spring, transition arm, the speed regulator back cover is formed, wherein: the boost compensator parts are arranged on speed regulator back cover top, diaphragm axle on the boost compensator parts joins under the effect of transition arm reduction torsion spring all the time by attachment screw and transition arm, the conversion arm axle that transition arm is set around on the speed regulator back cover rotates, the front and the speed-regulating arm of the underarm of transition arm join, and the positive correction push rod on transition arm back and the positive correction device parts joins.
The negative correction of jetting pump speed regulating machine and boost compensator device, wherein: negative correction device parts are by negative correction device swivel nut, the negative correction push rod, the negative correction stroke adjustmenting screw, the negative correction spring, the negative correction initial tension of spring is adjusted swivel nut and is formed, the cylindrical of negative correction device swivel nut is fixed in the screw at speed-regulating arm middle part by nut, the negative correction initial tension of spring is adjusted swivel nut negative correction spring and negative correction push rod is fixed on negative correction device swivel nut, the negative correction stroke adjustmenting screw is fixed on the negative correction initial tension of spring by nut and adjusts in the swivel nut, the front-end face of negative correction push rod and the activity of T-shaped anchor plate are joined, and the ear end face of negative correction push rod and negative correction stroke adjustmenting screw front-end face join.
Further explain structure and principle:
The negative correction of jetting pump speed regulating machine and boost compensator device, wherein negative correction device parts comprise negative correction swivel nut, negative correction push rod, negative correction spring and parts such as pretightening force adjustment screw, negative correction stroke adjustmenting screw thereof.Negative correction is propped up during the cover that is placed on governor lever contains, and hinged by negative correction connecting pin and governor lever, and they can rotate mutually around the negative correction connecting pin; Establish negative correction dextrorotation reduction torsion spring on the negative correction connecting pin, two arms of reduction torsion spring lay respectively in the aperture that the inboard corner of negative correction support and governor lever bottom be provided with, because the extension of negative correction support one side is spacing with the interior side contacts of governor lever, and negative correction support, governor lever, negative correction connecting pin, negative correction reduction torsion spring are formed a whole---control fast lever part; Negative correction support top is provided with speed-regulating arm lining mounting hole, is provided with in the relevant position of governor lever and the supporting hole of speed-regulating arm lining mounting hole; Both differences have determined the extreme value of negative correction stroke, and it is hinged by speed-regulating arm lining and speed-regulating arm to control fast lever part, and the former can be around the rotation of speed-regulating arm lining do with respect to speed-regulating arm; Governor lever parts, speed-regulating arm parts all can be swung around the jack shaft that passes the speed-regulating arm lining in whole speed regulator speed range flexibly, and the jack shaft two ends are fixed on the speed regulator back cover; Negative correction device parts are loaded on the speed-regulating arm, adjust the pretightening force that screw changes the negative correction spring by adjusting the negative correction pretightening force, adjust negative correction work rotating speed and scope thereby reach, by adjusting the size that the negative correction stroke adjustmenting screw changes the negative correction stroke; Speed-regulating arm is provided with primer spring, is used to start automatic enriching.
Boost compensator device, its diaphragm axle lower end are established the attachment screw that the band that can adjust extrusion is opened shelves, and hole fixed conversion arm axle is established on speed regulator back cover top; The transition arm that is left opening " U " shape is installed on the conversion arm axle, and the cylndrical surface of its upper end fluting and grade omoplate of opening of attachment screw join, and the lower end is that segment of a cylinder and speed-regulating arm join; Establish left-handed reduction torsion spring on the transition arm, an arm of reduction torsion spring places in the speed regulator back cover, and another arm places " U " shape bottom of transition arm.
Advantage of the present utility model is:
1. structure is simpler, compacter, and manufacture cost is lower;
2. when debugging, the ratch zero-bit remains unchanged from start to finish, adjusts more convenient;
3. the oil pump oil mass is controlled and the sensitivity height easily, can satisfy supercharged diesel engine smoke intensity, discharging and external characteristics requirement better;
4. can satisfy multiple use diesel engines such as modern transportation car, engineering machinery, farm machinery, boats and ships to the debugging of jetting pump speed regulating machine and the requirement of use aspect.
Description of drawings
Fig. 1 is the negative correction of the utility model jetting pump speed regulating machine and the main sectional view of boost compensator device.
Fig. 2 is the plan view of the negative correction device among Fig. 1.
Fig. 3 is the rear view of the negative correction device among Fig. 1.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is loaded on longitudinal section in the speed regulator for the negative correction of the utility model jetting pump speed regulating machine and boost compensator device.
Fig. 6 is loaded on sectional elevation in the speed regulator for the negative correction of the utility model jetting pump speed regulating machine and boost compensator device.
Fig. 7 is loaded on structure and working principle schematic representation in the speed regulator for the negative correction of the utility model jetting pump speed regulating machine and boost compensator device.
Reference character: speed regulator back cover 1, speed-regulating arm 2, primer spring 3, negative correction device parts 4, negative correction reduction torsion spring 5, negative correction connecting pin 6, speed-regulating arm lining 7, jack shaft 8, governor lever 9, negative correction support 10, positive correction device parts 11, conversion arm axle 12, transition arm reduction torsion spring 13, transition arm 14, attachment screw 15, diaphragm axle 16, boost compensator diaphragm 17, boost compensator loam cake 18, air inlet screw 19, diaphragm spring 20, boost compensator lower cover 21, adjusting gear 22, connecting rod 23, ratch 24, positive correction swivel nut 25, positive correction push rod 26, positive correction stroke adjustmenting screw 27, positive correction spring 28, the positive correction initial tension of spring is adjusted swivel nut 29, negative correction swivel nut 30, negative correction push rod 31, T-shaped anchor plate 32, negative correction stroke adjustmenting screw 33, negative correction spring 34, the negative correction initial tension of spring is adjusted swivel nut 35, governor spring 36, spring rocking arm 37 flies piece 38, camshaft 39, speed governing sleeve 40, speed-regulating handle 41, aperture 42, macropore 43, extension 44 is opened grade omoplate 45.
Embodiment
The negative correction of jetting pump speed regulating machine and boost compensator device, by the fast lever part of control, speed-regulating arm 2, negative correction device parts 4, the boost compensator parts, conversion arm axle 12, transition arm reduction torsion spring 13, transition arm 14, speed regulator back cover 1 is formed, wherein: the boost compensator parts are arranged on speed regulator back cover 1 top, diaphragm axle 16 on the boost compensator parts joins under the effect of transition arm reduction torsion spring 13 all the time by attachment screw 15 and transition arm 14, the conversion arm axle 12 that transition arm 14 is set around on the speed regulator back cover 1 rotates, the front of the underarm of transition arm 14 and speed-regulating arm 2 join, and the positive correction push rod 26 on transition arm 14 back and the positive correction device parts 11 joins.
The negative correction of jetting pump speed regulating machine and boost compensator device, wherein: negative correction device parts 4 are by negative correction device swivel nut 30, negative correction push rod 31, negative correction stroke adjustmenting screw 33, negative correction spring 34, the negative correction initial tension of spring is adjusted swivel nut 35 and is formed, the cylindrical of negative correction device swivel nut 30 is fixed in the screw at speed-regulating arm 2 middle parts by nut, the negative correction initial tension of spring is adjusted swivel nut 35 negative correction spring 34 and negative correction push rod 31 is fixed in the negative correction device swivel nut 30, negative correction stroke adjustmenting screw 33 is fixed on the negative correction initial tension of spring by nut and adjusts in the swivel nut 35, the front-end face of negative correction push rod 31 and 32 activities of T-shaped anchor plate are joined, and the ear end face of negative correction push rod 31 and negative correction stroke adjustmenting screw 33 front-end faces join.All the other are with embodiment 1.
If in the working procedure, then the front-end face of negative correction push rod 31 and T-shaped anchor plate 32 join.
The negative correction of jetting pump speed regulating machine and boost compensator device, wherein: control fast lever part and comprise governor lever 9, negative correction support 10, negative correction connecting pin 6, negative correction reduction torsion spring 5, during the cover that negative correction support 10 is in governor lever 9 contains, it is hinged by negative correction connecting pin 6 that the hole is established at the middle part of negative correction support 10 and governor lever 9, negative correction support 10 and governor lever 9 can rotate mutually around negative correction connecting pin 6, negative correction reduction torsion spring 5 is loaded on the negative correction connecting pin 6, when static state, the relative position of each part in governor lever 9 parts is determined, becomes as a whole; The middle part of negative correction support 10 is provided with speed-regulating arm lining 7 mounting holes, and the corresponding site of governor lever 9 is provided with the hole that is slightly larger than speed-regulating arm lining 7 mounting holes; One upper lateral part of governor lever 9 establishes the hole and connecting rod 23 is hinged, and connecting rod 23 the other ends and ratch 24 are hinged.All the other are with embodiment 1.
Embodiment 4
The negative correction of jetting pump speed regulating machine and boost compensator device, wherein: controlling fast lever part can swing flexibly around speed-regulating arm lining 7, controlling the jack shaft 8 that fast lever part, speed-regulating arm 2 can be fixed in around two ends on the speed regulator back cover 1 swings flexibly, speed-regulating arm lining 7 and speed-regulating arm 2 interference fit, primer spring 3 is loaded on speed-regulating arm 2 bottoms, be used to push open governor lever 9, make ratch 24, diesel engine is started smoothly toward moving to big oil mass direction.Jack shaft 8 passes speed-regulating arm lining 7.All the other are with embodiment 1.
Further explain:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, be a kind of negative correction and boost compensator device of diesel injection pump speed regulator.
Wherein as Fig. 1, Fig. 2, Fig. 3 and negative correction device shown in Figure 4, mainly comprise by governor lever 9, negative correction support 10, negative correction connecting pin 6, negative correction reduction torsion spring 5, T-shaped anchor plate 32, the governor lever parts that connecting rod 23 grades are formed, by negative correction swivel nut 30, negative correction push rod 31, negative correction stroke adjustmenting screw 33, negative correction spring 34, the negative correction initial tension of spring is adjusted the negative correction device parts 4 that swivel nut 35 grades are formed, and speed-regulating arm 2, speed-regulating arm lining 7 component such as grade, T-shaped anchor plate 32 is loaded on the negative correction support 10, governor lever 9 and negative correction support 10 are hinged by negative correction connecting pin 6, they can rotate mutually around negative correction connecting pin 6, establish negative correction reduction torsion spring 5 on the negative correction connecting pin 6, one arm of negative correction reduction torsion spring 5 is positioned at negative correction support 10 inboard corners, another arm passes the macropore 43 of negative correction support 10, be positioned in the aperture 42 that governor lever 9 bottoms are provided with, because the extension 44 of negative correction support 10 1 sides is spacing with the interior side contacts of governor lever, makes negative correction support 10, governor lever 9, negative correction connecting pin 6, negative correction reduction torsion spring 5 forms a whole---control fast lever part; Negative correction support 10 tops are provided with speed-regulating arm lining mounting hole, the corresponding site of governor lever 9 is provided with the hole that is slightly larger than speed-regulating arm lining 7 mounting holes, both difference S2 (shown in Figure 1) have determined the extreme value of negative correction stroke, the governor lever parts are hinged by speed-regulating arm lining 7 and speed-regulating arm 2, and the former can be around the rotation of speed-regulating arm lining 7 dos with respect to speed-regulating arm 2; Governor lever parts, speed-regulating arm parts all can be swung around the jack shaft 8 that passes speed-regulating arm lining 7 in whole speed regulator speed range flexibly, and jack shaft 8 two ends are fixed on the speed regulator back cover 1; Governor lever 9 upper articulation connecting rods 23, connecting rod 23 is hinged with ratch 24, and ratch 24 is directly to control oily part, moves forward oil mass and reduces, otherwise increase; Negative correction device parts 4 are loaded on the speed-regulating arm 2, adjust the pretightening force that swivel nut 35 changes negative correction spring 34 by adjusting the negative correction pretightening force, adjust negative correction work rotating speed and scope thereby reach, by adjusting the size that negative correction stroke adjustmenting screw 33 changes the negative correction stroke; Speed-regulating arm is provided with primer spring 3, be used to push open governor lever 9, ratch is moved to big oil mass direction backward, diesel engine is started smoothly, governor lever 9 rotates backward around the speed-regulating arm lining together with negative correction support 10 all the time in whole starting process, thereby the starting zero-bit remains unchanged.
Boost compensator device as shown in Figure 1, mainly comprise the boost compensator parts formed by attachment screw 15, diaphragm axle 16, boost compensator diaphragm 17, boost compensator loam cake 18, air inlet screw 19, diaphragm spring 20, boost compensator lower cover 21, adjusting gear 22 etc., and conversion arm axle 12, transition arm reduction torsion spring 13, transition arm 14 etc., the attachment screw 15 that the band that can adjust extrusion is opened shelves is established in diaphragm axle 16 lower ends, and hole fixed conversion arm axle 12 is established on speed regulator back cover 1 top; The transition arm 14 that is left opening " U " shape is installed on the conversion arm axle 12, can rotate to change arm axle 12 and swing flexibly, and the cylndrical surface of slotting in transition arm 14 upper ends and grade omoplate 45 of opening of attachment screw 15 join, and the lower end is that segment of a cylinder and speed-regulating arm 2 join; Establish left-handed reduction torsion spring 13 on the transition arm 14, an arm of reduction torsion spring places in the speed regulator back cover 1, and another arm places " U " shape bottom of transition arm 14, therefore can guarantee that transition arm 14 upper arm contact with grade omoplate 45 of opening of attachment screw 15 all the time.
Camshaft 39 is connected with speed regulator as shown in Figure 5.
As Fig. 1, Fig. 4 and shown in Figure 6, during diesel engine starting, the primer spring 3 that is installed on speed-regulating arm 2 bottoms backs down governor lever 9 and makes ratch 24 be positioned at big oil mass position to obtain starting upgraded.After the starting, rotating speed rises, flying piece 38 opens under action of centrifugal force, driving speed governing sleeve 40 moves backward, the governor lever parts rotate counterclockwise around speed-regulating arm lining 7, drive ratch 24 and subtract the oil motion to previous crops, contact with speed-regulating arm 2 up to the bottom of governor lever 9, gap S1 vanishing, starting process finishes; At this moment by adjusting negative correction swivel nut 30, the front-end face of negative correction push rod 31 is just contacted with the ear end face of T-shaped anchor plate 32, along with rotating speed constantly raises, T-shaped anchor plate 32 overcomes the pretightening force of negative correction spring 34, driving negative correction support 10 rotates backward around speed-regulating arm lining 7, at this moment governor lever 9 under the drive of negative correction connecting pin 6 with speed-regulating arm 2 contacting points be that fulcrum rotates backward, driving ratch moves backward, oil mass increases, ear end face up to negative correction push rod 31 contacts with the front-end face of negative correction stroke adjustmenting screw 33, the negative correction process finishes, at this moment the governor lever parts become as a whole with the speed-regulating arm parts, and they rotate backward around jack shaft 8 together; At governor spring 36, under the effect of spring rocking arm 37, the underarm cylinder bus of transition arm 14 is close in the back of speed-regulating arm 2 always, the upper arm cylinder bus of transition arm 14 is the omoplate face of attachment screw 15 always, rotating speed continues to raise, the diesel engine supercharging pressure that enters boost compensator diaphragm 17 tops by air inlet screw 19 also improves constantly, promoting pretightening force that boost compensator diaphragm 17 overcomes diaphragm spring 20 drives diaphragm axle 16 and is linked to be attachment screw 15 and moves down together, transition arm 14 rotates and changes arm axle 12 and rotate counterclockwise, driving ratch 24 moves backward, oil mass increases, with till positive correction push rod 26 contacts, the supercharging compensation process finishes up to transition arm 14 underarm back.Ratch 24 is in specified oil mass position, when rotating speed continues to raise, when surpassing rated speed, the moment that flies the thrust generation of piece 38 surpasses the moment that governor spring 36 pretightening forces produce, speed governing sleeve 40 push open speed-regulating arm 2 backward with, drive ratch 24 and move forward to cut-out position, realize the automatic control of oil mass.Pulling speed-regulating handle 41 is in diverse location, can change governor spring 36 pretightening forces, thereby the control diesel engine speed is realized omnidistance control, and the axial position that changes positive correction push rod 25 can change the position of ratch 24, thus quota stand oil amount.
Claims (4)
1, the negative correction of jetting pump speed regulating machine and boost compensator device, by the fast lever part of control, speed-regulating arm (2), negative correction device parts (4), the boost compensator parts, conversion arm axle (12), transition arm reduction torsion spring (13), transition arm (14), speed regulator back cover (1) is formed, it is characterized in that: the boost compensator parts are arranged on speed regulator back cover (1) top, diaphragm axle (16) on the boost compensator parts joins under the effect of transition arm reduction torsion spring (13) all the time by attachment screw (15) and transition arm (14), the conversion arm axle (12) that transition arm (14) is set around on the speed regulator back cover (1) rotates, the front of the underarm of transition arm (14) and speed-regulating arm (2) join, and the positive correction push rod (26) on transition arm (14) back and the positive correction device parts (11) joins.
2, the negative correction of jetting pump speed regulating machine according to claim 1 and boost compensator device, it is characterized in that: control fast lever part and comprise governor lever (9), negative correction support (10), negative correction connecting pin (6), negative correction reduction torsion spring (5), during the cover that negative correction support (10) is in governor lever (9) contains, it is hinged by negative correction connecting pin (6) that the hole is established at the middle part of negative correction support (10) and governor lever (9), negative correction reduction torsion spring (5) is loaded on the negative correction connecting pin (6), the middle part of negative correction support (10) is provided with speed-regulating arm lining (7) mounting hole, and the corresponding site of governor lever (9) is provided with the hole that is slightly larger than speed-regulating arm lining (7) mounting hole; One upper lateral part of governor lever (9) establishes the hole and connecting rod (23) is hinged, and connecting rod (23) the other end and ratch (24) are hinged.
3, the negative correction of jetting pump speed regulating machine according to claim 1 and boost compensator device, it is characterized in that: control fast lever part, speed-regulating arm (2) and can be fixed in jack shaft (8) swing flexibly on the speed regulator back cover (1) around two ends, speed-regulating arm lining (7) and speed-regulating arm (2) interference fit, primer spring (3) is loaded on speed-regulating arm (2) bottom, and jack shaft (8) passes speed-regulating arm lining (7).
4, the negative correction of jetting pump speed regulating machine according to claim 1 and boost compensator device, it is characterized in that: negative correction device parts (4) are by negative correction device swivel nut (30), negative correction push rod (31), negative correction stroke adjustmenting screw (33), negative correction spring (34), the negative correction initial tension of spring is adjusted swivel nut (35) and is formed, the cylindrical of negative correction device swivel nut (30) is fixed in the screw at speed-regulating arm (2) middle part by nut, the negative correction initial tension of spring is adjusted swivel nut (35) negative correction spring (34) and negative correction push rod (31) is fixed in the negative correction device swivel nut (30), negative correction stroke adjustmenting screw (33) is fixed on the negative correction initial tension of spring by nut and adjusts in the swivel nut (35), the front-end face of negative correction push rod (31) and T-shaped anchor plate (32) activity are joined, and the ear end face of negative correction push rod (31) and negative correction stroke adjustmenting screw (33) front-end face join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082596U CN201106491Y (en) | 2007-09-14 | 2007-09-14 | Negative correction and supercharging compensator apparatus of fuel injection pump speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082596U CN201106491Y (en) | 2007-09-14 | 2007-09-14 | Negative correction and supercharging compensator apparatus of fuel injection pump speed regulator |
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| Publication Number | Publication Date |
|---|---|
| CN201106491Y true CN201106491Y (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200082596U Expired - Fee Related CN201106491Y (en) | 2007-09-14 | 2007-09-14 | Negative correction and supercharging compensator apparatus of fuel injection pump speed regulator |
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| CN (1) | CN201106491Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705084A (en) * | 2012-06-04 | 2012-10-03 | 南岳电控(衡阳)工业技术有限公司 | Negative correction device for high-pressure fuel injection pump speed governor of fuel injection system |
| CN103161592A (en) * | 2013-04-07 | 2013-06-19 | 戴庆选 | Fuel economizer capable of changing state |
| CN103511089A (en) * | 2013-09-27 | 2014-01-15 | 无锡威孚高科技集团股份有限公司 | Negative correction mechanism used for non-road diesel engine high-pressure oil pump speed controller |
| CN103925086A (en) * | 2014-03-20 | 2014-07-16 | 南京威孚金宁有限公司 | Oil pump and speed adjusting mechanism as well as positive-negative correction mechanism thereof |
| CN106089448A (en) * | 2016-08-16 | 2016-11-09 | 无锡威孚高科技集团股份有限公司 | Negative correction mechanism for diesel engine of forklift truck high-pressure oil pump speed regulator |
-
2007
- 2007-09-14 CN CNU2007200082596U patent/CN201106491Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705084A (en) * | 2012-06-04 | 2012-10-03 | 南岳电控(衡阳)工业技术有限公司 | Negative correction device for high-pressure fuel injection pump speed governor of fuel injection system |
| CN102705084B (en) * | 2012-06-04 | 2015-02-11 | 南岳电控(衡阳)工业技术有限公司 | Negative correction device for high-pressure fuel injection pump speed governor of fuel injection system |
| CN103161592A (en) * | 2013-04-07 | 2013-06-19 | 戴庆选 | Fuel economizer capable of changing state |
| CN103511089A (en) * | 2013-09-27 | 2014-01-15 | 无锡威孚高科技集团股份有限公司 | Negative correction mechanism used for non-road diesel engine high-pressure oil pump speed controller |
| CN103511089B (en) * | 2013-09-27 | 2015-10-28 | 无锡威孚高科技集团股份有限公司 | For the negative correction mechanism of non-rice habitats high-pressure fuel pump of diesel engine speed regulator |
| CN103925086A (en) * | 2014-03-20 | 2014-07-16 | 南京威孚金宁有限公司 | Oil pump and speed adjusting mechanism as well as positive-negative correction mechanism thereof |
| CN106089448A (en) * | 2016-08-16 | 2016-11-09 | 无锡威孚高科技集团股份有限公司 | Negative correction mechanism for diesel engine of forklift truck high-pressure oil pump speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20100914 |