CN106907310A - A kind of air compressor multi-disc wet clutch - Google Patents
A kind of air compressor multi-disc wet clutch Download PDFInfo
- Publication number
- CN106907310A CN106907310A CN201510970694.6A CN201510970694A CN106907310A CN 106907310 A CN106907310 A CN 106907310A CN 201510970694 A CN201510970694 A CN 201510970694A CN 106907310 A CN106907310 A CN 106907310A
- Authority
- CN
- China
- Prior art keywords
- plate
- clutch
- disc
- air compressor
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of air compressor multi-disc wet clutch, it includes step bent axle and the tooth post, clutch plate and the cylinder block that are sequentially arranged on bent axle.Tooth post is externally provided with gear, for outer-hexagonal hole axle is connected between clutch plate and bent axle；Cylinder block is provided with air inlet, piston is provided with cylinder block, piston is externally provided with push-plate, push-plate is sheathed on outside clutch plate, outer tooth housing is provided with outside the other end of push-plate, outer tooth housing is sheathed on push-plate, and pretension diaphragm is provided between outer tooth housing and push-plate, outer tooth housing is also outer located at clutch plate and fastens setting with clutch plate, and diaphragm spring is provided between clutch plate and outer tooth housing.Pressing plate is provided with outer tooth housing, multiple spaced rotating plates and driven disc are provided between pressing plate and clutch plate.Air compressor multi-disc wet clutch of the present invention, is effectively saved fuel oil, reduces CO2 emission, eliminates exhaust noise, and greatly prolongs the life-span of air compressor, improves the security of driving.
Description
Technical field
The present invention relates to Clutch Technology field, more particularly to a kind of air compressor for vehicle multi-disc wet clutch.
Background technology
At present, in domestic commercial vehicle to use pneumatic braking system, its power source is compressed air, and the source of compressed air is produced by driven by engine air compressor more, wherein, air compressor is directly driven by gear by engine.As long as engine works, air compressor must work, therefore, the generation compressed air that can continue during driving, generally, compressed air can be stored in the middle of gas cylinder, limited valve is installed on gas cylinder, it is generally 8 kilograms to limit pressure, and when beyond 8 kilograms, unnecessary compressed air is just discharged in air by pressure limiting valve.
The shortcoming of this structure is：
（1）, brake or for air spring provides power due to using the compressed air in the middle of gas bomb, and vehicle is when normally travel or expressway are travelled, the usage amount of compressed air is considerably less, actually there was only the time of half in effect, but, it is generally the case that air compressor is still working without cessation, the partial power of engine can be so wasted, fuel consumption wastes serious.It is below calculated value：On the market depending on the power vehicle size of air compressor, average, about at 6KW/ hours or so, according to investigation：The vehicle that now gas is stopped on the market is 5,000,000 or so, the commercial car working time is generally long, worked daily by each car 10 hours, each car wastes 30KW daily, 5000000 waste 150,000,000 KW daily, the fuel consumption of 6KW/ hours presses 0.25 kilogram, and 5,000,000 pneumatic brakes waste fuel oil 625000KG daily.
（2）, the multiplex diesel-type of commercial car, the strong coefficient of carbon of diesel oil is 2.63 kilograms of CO2/ liters, and every liter of 0.738KG of diesel oil, 3750*1.738=5081.3 liters, thus conversion can produce 5.81.3*2.63=13363.819 kilograms of carbon dioxide.Therefore, its environmental pollution is serious.
（3）, due to driving when ceaselessly produce compressed air, therefore unnecessary compressed air will can produce exhaust noise by the pressure limiting valve exhausting on gas bomb during exhaust, and noise pollution is serious.
（4）, due to driving when, air compressor is working without cessation, therefore also its physical life of serious curtailment, and increases driving risk.
As fully visible, if just worked when can make air compressor on demand, as it installs a power control unit additional, it is at any time separated or is engaged between engine, it is possible to solve all the problems above.
The content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of air compressor multi-disc wet clutch, its can effectively save fuel oil, reduce CO2 emission, eliminate exhaust noise, and life-span of air compressor can be extended, improve the security of driving.
To solve problems of the prior art, the concrete technical scheme of use is：
A kind of air compressor multi-disc wet clutch, including bent axle, tooth post, clutch plate, cylinder block.The bent axle is Step Shaft, and it includes the First terrace, second step face and the 3rd step surface that set gradually；The tooth post is on First terrace, and tooth post, located at one end of bent axle, tooth post is externally provided with gear；The center of the clutch plate is a step surface, and the clutch plate is fastened on the First terrace and second step face of the bent axle by the step surface at its center, and is to be bonded to connect between the clutch plate and the second step face of bent axle；The cylinder block is on the 3rd step surface.The cylinder block is provided with air inlet, piston is provided with cylinder block, piston is externally provided with push-plate, plane bearing is provided between the piston and one end of push-plate, the push-plate is sheathed on outside the clutch plate, outer tooth housing is provided with outside the other end of the push-plate, the outer tooth housing is a circle trough-shaped housing, the bottom centre of the outer tooth housing of flute profile is provided with through hole, and outer tooth housing is sheathed on push-plate by the through hole, pretension diaphragm is additionally provided between the bottom of the flute profile of the outer tooth housing and push-plate, the outer tooth housing is also outer located at clutch plate and fastens setting with clutch plate, diaphragm spring is provided between the clutch plate and outer tooth housing, the diaphragm spring is sheathed on outside clutch plate and is disposed adjacent with the push-plate.When piston promotes push-plate, push-plate can oppress diaphragm spring, and pressure can be transmitted to clutch plate by diaphragm spring.One end that the channel space of the outer tooth housing is adjacent with gear is provided with pressing plate, clutch disc is provided between the pressing plate and clutch plate, the clutch disc includes multiple spaced rotating plates and driven disc, and on the excircle of tooth post, the driven disc is located at the rotating plate ....
Preferred scheme, plane bearing is provided between the tooth post and clutch plate.
Further preferred scheme, the rotating plate is copper-base friction plate or paper-base friction wafer, and the driven disc is copper-base friction plate.
Scheme still more preferably, the steel disc that the copper-base friction plate is used is 60SiZMn steel discs, its steel disc hardness HRC58-60.The steel disc that the paper-base friction wafer is used is 45# steel, and steel disc hardness is HRC35-38.
Scheme still further preferably, the piston is equipped with piston packing ring on the inner periphery and excircle contacted with cylinder body wall, and the excircle that the piston is contacted with cylinder body wall is provided with guide ring.
Needle bearing is provided between the bent axle and tooth post.
It is spline connection between the clutch plate and the second step face of the bent axle.
By using such scheme, compared with prior art, it has technical effect that a kind of air compressor multi-disc wet clutch of the invention：
（1）, the present invention by between engine and air compressor set wet-type multi-disc arrangement of clutch, to control the working time of air compressor, when the pressure of compressed air reaches setting value, wet clutch is by air compressor machine power cut, when the pressure of compressed air is less than another setting value, clutch is by power ON, and its simple structure, cost are small, and effectively reaches the purpose of energy-saving and emission-reduction.
（2）, multi-disc wet clutch worked in fluid, by oil film transmission power can accomplish almost not wear and tear so that multi-plate wet clutch can accomplish long lifespan, stable friction performance, reliability it is high, transmission torque it is big, non-maintaining.
（3）, due to having installed between engine and air compressor setting wet-type multi-disc arrangement of clutch additional, greatly save the amount of fuel of automobile, reduce the discharge capacity of carbon dioxide, eliminate the exhaust noise of vehicle, and because the working time of air compressor reduces, therefore its life-span is also just improve, fault rate is reduced, so as to directly enhance traffic safety.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of air compressor multi-disc wet clutch of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to instantiation and referring to the drawings, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the present invention.Additionally, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.
As shown in Figure 1：
A kind of air compressor multi-disc wet clutch, including bent axle 1, tooth post 2, clutch plate 4, cylinder block 10.
The bent axle 1 is Step Shaft, and it includes the First terrace 16, the step surface 17 of second step face 9 and the 3rd that set gradually.The tooth post 2 is on First terrace 16, and tooth post 2 is located at one end of bent axle 15, and needle bearing 3 is provided between bent axle 15 and tooth post 2, and tooth post 2 is externally provided with gear 1.The center of the clutch plate 4 is a step surface, the clutch plate 4 is fastened on the First terrace 16 and second step face 9 of the bent axle 15 by the step surface at its center, be provided between the tooth post 2 and clutch plate 4 between plane bearing 20, and the clutch plate 4 and the second step face 9 of bent axle 1 is spline connection.The cylinder block 10 is on the 3rd step surface 17, the cylinder block 10 is provided with air inlet 21, piston 11 is provided with cylinder block 10, the piston 11 is equipped with piston packing ring 18 on the inner periphery and excircle contacted with the wall of cylinder block 10, and the excircle that the piston 11 is contacted with the wall of cylinder block 10 is provided with guide ring 19.
The piston 18 is externally provided with push-plate 16, plane bearing 12 is provided between one end of the piston 10 and push-plate 16, the push-plate 16 is sheathed on outside the clutch plate 4, outer tooth housing 9 is provided with outside the other end of the push-plate 16, the outer tooth housing 9 is a circle trough-shaped housing, the bottom centre of the outer tooth housing 9 of flute profile is provided with through hole, and outer tooth housing 9 is sheathed on push-plate 16 by the through hole, pretension diaphragm 17 is additionally provided between the bottom of the flute profile of the outer tooth housing 9 and push-plate 16, the outer tooth housing 9 is also outer located at clutch plate 4 and fastens setting with clutch plate 4, diaphragm spring 17 is provided between the clutch plate 4 and outer tooth housing 9, the diaphragm spring 17 is sheathed on outside clutch plate 4 and is disposed adjacent with the push-plate 16.When piston 11 promotes push-plate 16, push-plate 16 can oppress diaphragm spring 17, and pressure can be transmitted to clutch plate 16 by diaphragm spring 17.
One end that the channel space of the outer tooth housing 9 is adjacent with gear 1 is provided with pressing plate 6, clutch disc 16 is provided between the pressing plate 6 and clutch plate 4, the clutch disc 16 includes multiple spaced rotating plates 7 and driven disc 8, the rotating plate 8 is on the excircle of tooth post 2, the driven disc 7 is connected on external tooth shell 9 by spline tooth, the rotating plate 8 is copper-base friction plate or paper-base friction wafer, the driven disc 8 is copper-base friction plate, the steel disc that the copper-base friction plate is used is 60Si2Mn steel discs, its steel disc hardness HRC58-60.The steel disc that the paper-base friction wafer is used is 45# steel, and steel disc hardness is HRC35-38.
Multi-disc wet clutch of the invention is installed between engine and air compressor, to control the working time of air compressor, such as when air reaches 8 kilograms, wet clutch is by air compressor machine power cut, when compressed air be less than 6 kilograms when wet clutch by power ON, so as to reach the purpose of energy-saving and emission-reduction.Multi-disc wet clutch works in fluid, can accomplish almost not wear and tear by oil film transmission power, and allowing for multi-plate wet clutch can accomplish non-maintaining.Multi-disc wet clutch with its long lifespan stable friction performance reliability high pass torque it is big the advantages of can be widely applied to various plant equipment.Multi-disc wet clutch is divided into electromagnetic type by control mode, and vapour-pressure type, hydraulic type is divided into open in usual, normally closed type by working condition, below by taking vapour-pressure type as an example.
The construction of air pressure multi-disc wet clutch, including power transfer part and control section, motivation transfer motion part includes power input shaft and power output shaft again, control section includes control cylinder and back-moving spring, metal sintering copper-base friction plate or paper-base friction wafer are installed on power input shaft, copper-base friction plate are installed with 60SiZMn steel discs, steel disc hardness HRC58-60 on power output shaft, paper-base friction wafer matches somebody with somebody 45# steel steel discs, and steel disc hardness is HRC35-38.
Wet clutch has two working conditions, i.e. clutch engaged state and released state, it is contemplated that the working characteristics of automobile air compressor, and the normally closed wet type multi-clutch of air pressure is selected in the technical program, constructs as shown in figure 1, its operation principle is：
Engagement（Normality）
Under normal conditions, rotating plate 8 and driven disc 7 are mutually adjacent in the presence of diaphragm spring 5, so that forming frictional connection between power input tooth post 2 and clutch plate 4, output power on air compressor crank by spline connection between clutch plate 4 and the second step face 9 of bent axle 15.
Released state
The compressed air being passed through in air chamber 22 promotes piston 11, piston 11 promotes push-plate 16 to be moved to the left, and push-plate 16 overcomes the elastic force of diaphragm spring 5 to be moved to the left it, and continuous you are moved to the left outer tooth housing 9, at this moment rotating plate 8 and driven disc 7 are separated from each other and lose frictional force, clutch separation.
Clutch control mode is：Air-compressor clutch is controlled by the gas pressure change valve on gas bomb, higher limit and lower limit are set according to vehicle operation air pressure, for example, the upper limit is set as 8 kilograms, lower limit is 6 kilograms, when air pressure reaches 8 kilograms, gas pressure change valve is connected, and controls clutch engagement, the cylinder of separation is brought about the desired sensation, make clutch separation, so as to cut off the power input of air compressor, air compressor machine is stopped.When air pressure is less than 6 kilograms, gas pressure change valve disconnects, and controls the cylinder of clutch to be resetted in the presence of diaphragm spring, while clutch engagement, air compressor machine start-up operation.
The highest operating air pressure of clutch of the present invention is 10bar, and maximum speed is 4200rpm, is wet type work, nominal torque 400NM, the lower engagement of dynamic and can be separated at a high speed.
If the wet clutch referred in this programme is promoted, by the installation amount of annual 2000000,10 hours/day of each car work, the pneumatics acc power of each car is 5KW, the working cycles of air compressor machine are to work for 10 minutes, and work in 10 minutes stops, and each can save 25KW daily.2000000 are saved 50,000,000 kilowatts daily, and 5 kilowatts of fuel consumptions hourly are about 0.25 kilogram, 2,000,000 daily 0.28*10000000=2500000 kilograms of saving fuel oils, 2.63 kilograms of CO2/ liters of carbon strength factor of diesel oil, 0.738 kilogram of every liter of diesel oil,
25000000/1.738=33875338.75/ liters
33875338.75*2.63=89092140.91/ kilograms
Therefore, 89092140.91 kilograms of CO2 emission of reduction, and the exhaust noise of vehicle is eliminated, in addition, because the working time of air compressor reduces, improve its life-span, fault rate is reduced, so as to directly enhance traffic safety.
Presently preferred embodiments of the present invention is the foregoing is only, the protection domain being not intended to limit the invention, is all contained within protection scope of the present invention all any modifications within the spirit and principles in the present invention, made, equivalent.
Claims (10)
1. a kind of air compressor multi-disc wet clutch, it is characterised in that：It includes bent axle, tooth post, clutch plate, cylinder block；
The bent axle is Step Shaft, and it includes the First terrace, second step face and the 3rd step surface that set gradually；The tooth post is on First terrace, and tooth post, located at one end of bent axle, tooth post is externally provided with gear；The center of the clutch plate is a step surface, and the clutch plate is fastened on the First terrace and second step face of the bent axle by the step surface at its center, and is spline connection between the clutch plate and the second step face of bent axle；The cylinder block is on the 3rd step surface；
The cylinder block is provided with air inlet, piston is provided with cylinder block, piston is externally provided with push-plate, plane bearing is provided between the piston and one end of push-plate, the push-plate is sheathed on outside the clutch plate, outer tooth housing is provided with outside the other end of the push-plate, the outer tooth housing is a circle trough-shaped housing, the bottom centre of the outer tooth housing of flute profile is provided with through hole, and outer tooth housing is sheathed on push-plate by the through hole, pretension diaphragm is additionally provided between the bottom of the flute profile of the outer tooth housing and push-plate, the outer tooth housing is also outer located at clutch plate and fastens setting with clutch plate, diaphragm spring is provided between the clutch plate and outer tooth housing, the diaphragm spring is sheathed on outside clutch plate and is disposed adjacent with the push-plate；
One end that the channel space of the outer tooth housing is adjacent with gear is provided with pressing plate, clutch disc is provided between the pressing plate and clutch plate, the clutch disc includes multiple spaced rotating plates and driven disc, the rotating plate is on the excircle of tooth post, the A power input shafts 2 are external splines form, active friction 8 liked that spline connection B driven discs 7 were external splines form for the Xun of internal spline form two, outer tooth housing 9 is internal spline form, both pass through spline connection, clutch plate 4 is external splines form, and spline connection is passed through with external tooth shell 9.
2. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：Plane bearing is provided between the tooth post and clutch plate.
3. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：The rotating plate is copper-base friction plate.
4. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：The rotating plate is paper-base friction wafer.
5. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：The driven disc is copper-base friction plate.
6. according to a kind of air compressor multi-disc wet clutch that one of claim 3 or claim 5 are described, it is characterised in that：The steel disc that the copper-base friction plate is used is 60SiZMn steel discs, its steel disc hardness HRC58-60.
7. a kind of air compressor multi-disc wet clutch according to claim 5, it is characterised in that：The steel disc that the paper-base friction wafer is used is 45# steel, and its steel disc hardness is HRC35-38.
8. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：The piston is equipped with piston packing ring on the inner periphery and excircle contacted with cylinder body wall.
9. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：The excircle that the piston is contacted with cylinder body wall is provided with guide ring.
10. a kind of air compressor multi-disc wet clutch according to claim 1, it is characterised in that：Needle bearing is provided between the bent axle and tooth post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970694.6A CN106907310A (en) | 2015-12-22 | 2015-12-22 | A kind of air compressor multi-disc wet clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970694.6A CN106907310A (en) | 2015-12-22 | 2015-12-22 | A kind of air compressor multi-disc wet clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106907310A true CN106907310A (en) | 2017-06-30 |
Family
ID=59200742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510970694.6A Pending CN106907310A (en) | 2015-12-22 | 2015-12-22 | A kind of air compressor multi-disc wet clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106907310A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775041A (en) * | 1985-12-16 | 1988-10-04 | Baruffaldi Frizioni S.P.A. | Compact friction clutch with actuated disengagement, suitable for vehicle compressors |
| CN1661236A (en) * | 2004-02-27 | 2005-08-31 | 柳成企业株式会社 | Air compressor |
| WO2007136168A2 (en) * | 2006-05-24 | 2007-11-29 | Yoosung Enterprise Co., Ltd. | Air compressor |
| CN103388575A (en) * | 2013-07-24 | 2013-11-13 | 咸阳超越离合器有限公司 | Energy saving protection device of pneumatic clutch for heavy-load vehicle air compressor |
| CN103410701A (en) * | 2013-07-31 | 2013-11-27 | 奉化市天风汽车空压机有限公司 | Clutch type air compressor of automobile and clutch method for clutch type air compressor |
| CN104819219A (en) * | 2015-04-23 | 2015-08-05 | 青岛丰宝汽车离合器有限公司 | Wet clutch assembly |
-
2015
- 2015-12-22 CN CN201510970694.6A patent/CN106907310A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775041A (en) * | 1985-12-16 | 1988-10-04 | Baruffaldi Frizioni S.P.A. | Compact friction clutch with actuated disengagement, suitable for vehicle compressors |
| CN1661236A (en) * | 2004-02-27 | 2005-08-31 | 柳成企业株式会社 | Air compressor |
| WO2007136168A2 (en) * | 2006-05-24 | 2007-11-29 | Yoosung Enterprise Co., Ltd. | Air compressor |
| CN103388575A (en) * | 2013-07-24 | 2013-11-13 | 咸阳超越离合器有限公司 | Energy saving protection device of pneumatic clutch for heavy-load vehicle air compressor |
| CN103410701A (en) * | 2013-07-31 | 2013-11-27 | 奉化市天风汽车空压机有限公司 | Clutch type air compressor of automobile and clutch method for clutch type air compressor |
| CN104819219A (en) * | 2015-04-23 | 2015-08-05 | 青岛丰宝汽车离合器有限公司 | Wet clutch assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202156297U (en) | Power take-off device of hydraulic pump | |
| CN101823433B (en) | Wet braking drive axle and loading machine with same | |
| CN103097756B (en) | Driving force transmission device | |
| CN101081596A (en) | Transmission system of double-bridge liquid-driving mixed power automobile | |
| CN201677862U (en) | Wet-type brake drive axle and loading machine with the same | |
| CN203822917U (en) | Wet type multi-pad parking brake | |
| CN204172696U (en) | With power takeoff and the hoisting crane of clutch function | |
| CN101486260B (en) | Clutch brake component of punch press | |
| CN201241925Y (en) | Hydraulic wet-type multiple-sheet brake for drive axle | |
| CN103912613A (en) | Wet multi-disc parking brake | |
| CN103899728B (en) | A kind of Pneumatic-control type dual planetary gear brake coupling | |
| CN201934549U (en) | Running speed reducer brake for service braking | |
| CN113665538A (en) | Multifunctional brake-by-wire energy recovery auxiliary system and control method thereof | |
| CN205478998U (en) | Be applied to hydraulic pressure automatic clutch of new forms of energy vehicle | |
| CN105437966A (en) | Power takeoff with clutch function and crane | |
| CN103850937B (en) | A kind of negative pressure device assisting automobile-used brakes | |
| CN106907310A (en) | A kind of air compressor multi-disc wet clutch | |
| CN205638839U (en) | Wet -type multiplate clutch for air compressor | |
| CN103895493B (en) | The double-motor assembly of the integrated dual planetary gear brake coupling of a kind of hybrid power passenger car | |
| CN101565038B (en) | Speed retarder of proportional valve control pump type medium and low power vehicle | |
| CN105863996A (en) | Constant engagement clutch type double-cylinder air compressor | |
| CN2366609Y (en) | Double action and wet type multiple disc and full sealing brake for vehicle | |
| CN203770571U (en) | Pneumatic-control two-planetary-gear brake clutch | |
| CN201739074U (en) | Built-in type brake cycloid hydraulic motor | |
| CN201745639U (en) | Wet-type steering clutch-type steering device of crawler tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |