CN203713852U - Vehicle cooling liquid medium type hydraulic retarding device - Google Patents
Vehicle cooling liquid medium type hydraulic retarding device Download PDFInfo
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- CN203713852U CN203713852U CN201320635077.7U CN201320635077U CN203713852U CN 203713852 U CN203713852 U CN 203713852U CN 201320635077 U CN201320635077 U CN 201320635077U CN 203713852 U CN203713852 U CN 203713852U
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Abstract
The utility model discloses a vehicle cooling liquid medium type hydraulic retarding device which comprises a hydraulic retarder, a control unit capable of controlling the hydraulic retarder to work, an inlet pipeline, an outlet pipeline, a pump, a reflux pipeline, an inlet throttle valve and an outlet throttle valve, wherein the hydraulic retarder is mounted between a vehicle engine crankshaft and a flying wheel of a vehicle and is provided with a retarding work cavity; the liquid outlet end of the reflux pipeline, the inlet pipeline, the retarding work cavity, the outlet pipeline and the liquid inlet end of the reflux pipeline are communicated in sequence to form a circulation pipeline; the pump is connected to the circulation pipeline; the circulation pipeline is communicated with an engine cooling liquid cavity; the inlet throttle valve is connected to the inlet pipeline; the outlet throttle valve is connected to the outlet pipeline; the inlet throttle valve and the outlet throttle valve are in control connection with the control unit respectively. The hydraulic retarding device adopts engine cooling liquid as a working medium, is small in size, light in weight, low in cost, compact in structure and convenient to mount, and can effectively provide a retarding brake torque.
Description
Technical field
The utility model relates to a kind of automobile-used fluid dielectric coolant formula hydrodynamic retarding device, belongs to vehicle auxiliary braking technical field.
Background technology
When vehicle is braked or frequently brakes in long-time lasting braking, high strength, brake disc or brake wheel temperature can significantly raise, and friction factor decline, degree of wear are increased the weight of, and occur the even dangerous heat fade phenomenon of total loss of brake efficiency part.Although the application of anti-blocking brake system (ABS), EBD (Electric Brakeforce Distribution) (EBD) etc. has improved stability and the reliability of car brakeing, they are very micro-to the heat fade phenomenon effect of drg.At present, complemental brake system must be installed by the many countries that comprise China clearly passenger vehicle more than regulation certain specification, bogie, and effectively the load of Split flow brake device, improves car brakeing safety performance.Retarder is one of auxiliary brake of vehicle, mainly contains two kinds of hydrodynamic retarder and current vortex retarders.Abroad, hydrodynamic retarder, due to advantages such as lock torque is large, energy consumption is low, good reliabilitys, has replaced current vortex retarder substantially; At home, due to technology and cost, current vortex retarder is still leading product, but greatly develop hydrodynamic retarder, has become inexorable trend.
Hydrodynamic retarder, also referred to as hydrodynamic retarder, is generally installed on before change-speed box or, inside is provided with driving wheel and fixed wheel below, and driving wheel is connected with hydrodynamic retarder input shaft, and fixed wheel is connected with hydrodynamic retarder housing.Input shaft or output shaft drive hydrodynamic retarder input shaft to rotate, during work, in epitrochoidal chamber, be filled with as requested a certain amount of fluid, driving wheel drives fluid to rotate impact fixed wheel, a part of vehicle braking energy is changed into the heat energy of fluid, by cooling heat radiation system, dissipate, realize the object that heat resistanceheat resistant decline performance was braked, improved to vehicle slowly.At present, hydrodynamic retarder generally adopts fluid as working medium, be provided with a special oil to-water heat exchanger, high-temperature oil liquid enters H Exch by outlet conduit, in H Exch, transfer heat to engine coolant, again by engine-cooling system by dissipation of heat in atmosphere, the fluid after cooling is got back in hydrodynamic retarder by pipeline.But this hydrodynamic retarder needs the oil to-water heat exchanger that volume is larger and the long coolant duct being connected with engine-cooling system thereof, increased volume, quality, cost and the assembly difficulty of hydrodynamic retarding device.
Automobile-used fluid dielectric coolant formula hydrodynamic retarding device, can cancel traditional oil to-water heat exchanger, overcomes the deficiency in fluid formula hydraulic speed buffer structure principle.In the existing automobile-used fluid dielectric coolant formula hydrodynamic retarding device relevant information that can inquire about, with the maximally related technology of the utility model be the aqueous medium formula hydrodynamic retarder that is installed on engine crankshaft front portion of VOITH company exploitation.But because the installing space of driving engine front portion is limited, the size of above-mentioned hydrodynamic retarder is restricted, its lock torque that can produce is relatively little, and when hydrodynamic retarder is not worked, driving wheel still rotates with bent axle, can cause a certain amount of empty energy consumption of damaging.Comparatively speaking, driving engine rear portion free space is larger, and close with engine-cooling system, is convenient to the layout of coolant duct, is suitable for installing hydrodynamic retarding device.But to so far, the automobile-used fluid dielectric coolant formula hydrodynamic retarding device being installed between engine crankshaft and flywheel also rarely has and mentions.
Summary of the invention
Technical problem to be solved in the utility model is the defect that overcomes prior art, a kind of automobile-used fluid dielectric coolant formula hydrodynamic retarding device is provided, it take engine coolant as working medium, volume is little, quality is light, cost is low, compact conformation, easy for installation, and slow lock torque can be effectively provided.
The utility model solves the problems of the technologies described above the technical scheme of taking: a kind of automobile-used fluid dielectric coolant formula hydrodynamic retarding device, comprise hydrodynamic retarder and the control unit that can control hydrodynamic retarder work, hydrodynamic retarder is installed between vehicle startup machine crankshaft and flywheel, and hydrodynamic retarder has slow epitrochoidal chamber, it also comprises inlet pipeline, outlet conduit, pump, the inlet throttle valve of refrigerant fluid circulation and the speed control muffler of controlling refrigerant fluid circulation in outlet conduit in reflux line and control inlet pipeline, the outlet end of described reflux line, inlet pipeline, slow epitrochoidal chamber, the liquid feeding end of outlet conduit and reflux line is connected successively and forms a circulation line, pump is connected in circulation line, circulation line is also connected with engine cooling sap cavity, described inlet throttle valve is connected on inlet pipeline, described speed control muffler is connected on outlet conduit, and described inlet throttle valve is connected with control unit phase control respectively with speed control muffler.
Further in order to solve refrigerant fluid heat dissipation problem, this automobile-used fluid dielectric coolant formula hydrodynamic retarding device co-used engine heat abstractor, between described outlet conduit and the liquid feeding end of reflux line, be communicated with the coolerstat that can respond to cooling-liquid temperature, this coolerstat also has an exit end, and this exit end is back to inlet pipeline after being communicated with engine heat dissipating device.
Further, in order to strengthen the heat-sinking capability of engine heat dissipating device, on described engine heat dissipating device, be provided with cooling fan.
Further in order to eliminate the empty energy consumption of damaging, described hydrodynamic retarder comprises fixed wheel, driving wheel and housing, described fixed wheel and driving wheel are installed in slow epitrochoidal chamber, and fixed wheel is fixedly connected with housing, described driving wheel is connected with vehicle startup machine crankshaft by power-transfer clutch, and power-transfer clutch is connected with control unit phase control.
In order further to collect the aqueous vapor in circulation line, requirement to cooling liquid measure simultaneously while meeting hydrodynamic retarder work, this automobile-used fluid dielectric coolant formula hydrodynamic retarding device also comprises refrigerant fluid compensation box, one end of this refrigerant fluid compensation box is connected with outlet conduit, and the other end is connected with inlet pipeline.
Pressure for refrigerant fluid in further limiting inlet pipeline, plays a protective role to hydrodynamic retarder and pipeline thereof, on described refrigerant fluid compensation box, is connected with by pass valve, and the other end of this by pass valve is connected on inlet pipeline.
Further, described power-transfer clutch is preferably clutch with multiple laminated disc or magnetic clutch.
Further, described power-transfer clutch is preferably magnetic-powder-type magnetic clutch, this power-transfer clutch comprises magnetic conductive disk, magnetic, magnetic chamber and exciting coil that can external source, magnetic conductive disk is solidly set on vehicle startup machine crankshaft, exciting coil is arranged on position corresponding with magnetic conductive disk on driving wheel, it is indoor that magnetic is distributed in magnetic, and magnetic chamber is between exciting coil and magnetic conductive disk.
Further, described exciting coil is connected with external power supply by electrical assembly, and this electrical assembly comprises slip ring, carbon brush and relay, and exciting coil, slip ring, carbon brush and relay are connected with external power supply after being electrically connected mutually successively.
Further, described inlet throttle valve and/or speed control muffler comprise motor, spool and screw body and the valve body that has circulation passage, motor is flexibly connected with spool by screw body, motor is connected with control unit phase control, thereby spool is positioned at circulation passage and by drive motor band movable valve plug, at circulation passage, moves the flow area size that changes circulation passage.
Adopted after technique scheme, the utlity model has following beneficial effect:
1, the utility model adopts engine coolant as the working medium of hydrodynamic retarder, has cancelled long coolant duct, does not need the regular service of changing oil, and has that volume is little, quality is light, cost is low, compact conformation and an advantage such as easy to assembly;
2, the automobile-used fluid dielectric coolant formula of the utility model hydrodynamic retarding device is installed between vehicle startup machine crankshaft and flywheel, has larger arrangement space, can meet the dimensional characteristic of hydrodynamic retarder;
3, the utility model and driving engine share an engine heat dissipating device and cooling fan, have cancelled the oil to-water heat exchanger of traditional hydrodynamic retarder, simple in structure;
4, the utility model passes through to control speed control muffler and inlet throttle valve, thereby controls respectively the circulation of outlet conduit and inlet pipeline, thereby the slow lock torque of vehicle is effectively provided;
5, the utility model can pass through the access of control clutch and separate, thereby effectively eliminates the sky damage energy consumption of hydrodynamic retarder;
6, the utility model also contributes to the rapid warming-up of driving engine or temperature to improve.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile-used fluid dielectric coolant formula hydrodynamic retarding device of the present utility model;
Fig. 2 is the scheme of installation of magnetic-powder-type magnetic clutch of the present utility model;
Fig. 3 is the structural representation of speed control muffler of the present utility model and inlet throttle valve.
The specific embodiment
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below.
As shown in Fig. 1 ~ 3, a kind of automobile-used fluid dielectric coolant formula hydrodynamic retarding device, comprise hydrodynamic retarder and the control unit that can control hydrodynamic retarder work, hydrodynamic retarder is installed between vehicle startup machine crankshaft 5 and flywheel 10, and hydrodynamic retarder has slow epitrochoidal chamber 23, it also comprises inlet pipeline 24, outlet conduit 25, pump 3, the inlet throttle valve 4 of reflux line 26 and the interior refrigerant fluid circulation of control inlet pipeline 24 and the speed control muffler 11 of controlling the interior refrigerant fluid circulation of outlet conduit 25, the outlet end of reflux line 26, inlet pipeline 24, slow epitrochoidal chamber 23, the liquid feeding end of outlet conduit 25 and reflux line 26 is connected successively and forms a circulation line, pump 3 is connected in circulation line, circulation line is also connected with engine cooling sap cavity, inlet throttle valve 4 is connected on inlet pipeline 24, speed control muffler 11 is connected on outlet conduit 25, and inlet throttle valve 4 is connected with control unit phase control respectively with speed control muffler 11.Inlet throttle valve 4 and speed control muffler 11 are for regulating the filling amount of hydrodynamic retarder, and then the slow braking torque of control hydrodynamic retarder.
As shown in Figure 1, automobile-used fluid dielectric coolant formula hydrodynamic retarding device also comprises engine heat dissipating device 1, between the liquid feeding end of outlet conduit 25 and reflux line 26, be communicated with the coolerstat 14 that can respond to cooling-liquid temperature, this coolerstat 14 also has an exit end, and this exit end is back to inlet pipeline 24 after being communicated with engine heat dissipating device 1.
As shown in Figure 1, on engine heat dissipating device 1, be provided with cooling fan 2.
As shown in Figure 1, hydrodynamic retarder comprises fixed wheel 9, driving wheel 7 and housing, fixed wheel 9 and driving wheel 7 are installed in slow epitrochoidal chamber 23, and fixed wheel 9 is fixedly connected with housing, driving wheel 7 is connected with vehicle startup machine crankshaft 5 by power-transfer clutch 6, power-transfer clutch 6 is connected with control unit phase control, and housing and driving engine 12 bodies are bolted to connection.
As shown in Figure 1, automobile-used fluid dielectric coolant formula hydrodynamic retarding device also comprises refrigerant fluid compensation box 13, and one end of this refrigerant fluid compensation box 13 is connected with outlet conduit 25, and the other end is connected with inlet pipeline 24.Refrigerant fluid compensation box 13 is for collecting the water vapour in circulation line, the requirement to cooling liquid measure simultaneously while meeting hydrodynamic retarder work.
As shown in Figure 1, be connected with by pass valve 8 on refrigerant fluid compensation box 13, the other end of this by pass valve 8 is connected on inlet pipeline 24.This by pass valve, for the pressure of limiting inlet pipeline 24 interior refrigerant fluids, plays a protective role to hydrodynamic retarder and pipeline thereof.
As shown in Figure 2, power-transfer clutch 6 is clutch with multiple laminated disc or magnetic clutch.Clutch with multiple laminated disc compresses by engine oil pressure or unclamps steel disc and friction lining, realizes the joint of driving wheel 7 and vehicle startup machine crankshaft 5 or separated; Magnetic clutch is by energising or the power-off of magnet coil, realizes the joint of driving wheel 7 and vehicle startup machine crankshaft 5 or separated.
As shown in Figure 2, power-transfer clutch 6 is magnetic-powder-type magnetic clutch, this power-transfer clutch comprises magnetic conductive disk 18, magnetic 16, magnetic chamber 27 and exciting coil 15 that can external source, magnetic conductive disk 18 is solidly set on vehicle startup machine crankshaft 5, exciting coil 15 is arranged on position corresponding with magnetic conductive disk 18 on driving wheel 7, magnetic 16 is distributed in magnetic chamber 27, and magnetic chamber 27 is between exciting coil 15 and magnetic conductive disk 18.Driving wheel 7 is bearing on vehicle startup machine crankshaft 5 by antifriction-bearing box 19.Exciting coil 15 is connected with external power supply by electrical assembly, this electrical assembly comprises slip ring, carbon brush 17 and relay, exciting coil, slip ring, carbon brush 17 and relay are connected with external power supply after being electrically connected mutually successively, and exciting coil 15 produces magnetic field around after obtaining power supply.Driving wheel 7 and vehicle startup machine crankshaft 5 can freely not rotate when field winding 15 has electric current to pass through, magnetic 16 is can magnetized 30～50 μ m steel fine-particle powders, when field winding 15 does not have electric current to pass through, magnetic 16 is not subject to magnetic fields, it is indoor that loosely is distributed in magnetic, power-transfer clutch 6 is released state, and now driving wheel 7 can freely rotate with vehicle startup machine crankshaft 5; When field winding 15 has electric current to pass through, magnetic 16 is rapid solidification under magnetic fields, by " loose " state, is holded up and is chain, forms " solid magnetic linkage " in magnetic field, and power-transfer clutch 6 is engagement state, and driving wheel 7 and vehicle startup machine crankshaft 5 are connected as one.Magnetic conductive disk 18 can be connected with vehicle startup machine crankshaft 5 by spline, along with vehicle startup machine crankshaft 5 rotates together, when hydrodynamic retarder is not worked, power-transfer clutch 6 separation, vehicle startup machine crankshaft 5 can not drive driving wheel 7 to rotate, and the sky that can eliminate hydrodynamic retarder damages energy consumption; During hydrodynamic retarder work, power-transfer clutch 6 engages, and vehicle startup machine crankshaft 5 drives driving wheel 7 rotations, realizes the slow braking function of vehicle.
As shown in Figure 3, inlet throttle valve 4 and/or speed control muffler 11 comprise motor 21, spool 22 and screw body and the valve body 20 that has circulation passage 20-1, motor 21 is flexibly connected with spool 22 by screw body, motor 21 is connected with control unit phase control, thereby spool 22 is positioned at circulation passage 20-1 and by drive motor 21, with movable valve plug 22, at circulation passage 20-1, move the flow area size that changes circulation passage 20-1.Control unit is controlled as required motor 21 and is rotated, by screw body, rotatablely moving of motor changed into the traveling priority of spool 22, the flow area of inlet throttle valve or speed control muffler is changed, inlet throttle valve 4 can be connected with pump 3 water outlets, and refrigerant fluid enters slow epitrochoidal chamber 23 by inlet throttle valve 4 after pump 3 pumps; Speed control muffler 11 can be connected with engine coolant outlet and coolerstat 14, the refrigerant fluid of slow epitrochoidal chamber 23 flows to coolerstat 14 together with in-engine refrigerant fluid, if inlet throttle valve 4 flow areas are large, discharge control valve 11 flow areas are little, the liquid filled ratio of hydrodynamic retarder is high, and slow lock torque is large; If inlet throttle valve 4 flow areas are little, speed control muffler 11 flow areas are large, the liquid filled ratio of hydrodynamic retarder is low, and slow lock torque is little.
Principle of work of the present utility model is as follows:
When vehicle needs to brake slowly in the process of moving, control unit sends instruction engages power-transfer clutch 6, drive wheel rotates by vehicle drive system band engine of motor vehicles bent axle 5 and driving wheel 7, simultaneously, control unit regulates the flow area of inlet throttle valve 4 and speed control muffler 11 according to the operating order of chaufeur and sensor signal, control filling amount and the slow lock torque of hydrodynamic retarder, when cooling-liquid temperature is lower, engine-cooling system is in short circle state, refrigerant fluid improves pressure by pump 3, through inlet throttle valve 4, enter in slow epitrochoidal chamber, by speed control muffler 11, by coolerstat 14, get back to inlet pipeline 24 places again, so constantly circulation, cooling-liquid temperature raises fast, when cooling-liquid temperature is higher, engine-cooling system is in main cycle state, refrigerant fluid improves pressure by pump 3, through inlet throttle valve 4, enter in slow epitrochoidal chamber 23, by speed control muffler 11, by coolerstat 14, enter engine heat dissipating device 1 again, through the cooled refrigerant fluid of engine heat dissipating device 1, get back to inlet pipeline 24 places, so constantly circulation, the dissipation of heat that hydrodynamic retarder is produced by slow braking is in atmosphere.
When driving engine is in cold post-start or temperature when lower, control unit can engage power-transfer clutch 6 according to driver's operation instruction, the work of hydrodynamic retarding device, the kinetic energy of driving engine or vehicle is changed into the heat energy of refrigerant fluid, cooling-liquid temperature rises rapidly, and rapid warming-up or the temperature of being convenient to driving engine improve.
Above-described specific embodiment; technical matters, technical scheme and beneficial effect that the utility model is solved further describe; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an automobile-used fluid dielectric coolant formula hydrodynamic retarding device, comprise hydrodynamic retarder and the control unit that can control hydrodynamic retarder work, hydrodynamic retarder is installed between vehicle startup machine crankshaft (5) and flywheel (10), and hydrodynamic retarder has slow epitrochoidal chamber (23), it is characterized in that: it also comprises inlet pipeline (24), outlet conduit (25), pump (3), the inlet throttle valve (4) of reflux line (26) and the interior refrigerant fluid circulation of control inlet pipeline (24) and the speed control muffler (11) of controlling the interior refrigerant fluid circulation of outlet conduit (25), the outlet end of described reflux line (26), inlet pipeline (24), slow epitrochoidal chamber (23), the liquid feeding end of outlet conduit (25) and reflux line (26) is connected successively and forms a circulation line, pump (3) is connected in circulation line, circulation line is also connected with engine cooling sap cavity, described inlet throttle valve (4) is connected on inlet pipeline (24), described speed control muffler (11) is connected on outlet conduit (25), and described inlet throttle valve (4) is connected with control unit phase control respectively with speed control muffler (11).
2. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 1, it is characterized in that: also comprise engine heat dissipating device (1), between the liquid feeding end of described outlet conduit (25) and reflux line (26), be communicated with the coolerstat (14) that can respond to cooling-liquid temperature, this coolerstat (14) also has an exit end, and this exit end is back to inlet pipeline (24) after being communicated with engine heat dissipating device (1).
3. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 2, is characterized in that: on described engine heat dissipating device (1), be provided with cooling fan (2).
4. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 1, it is characterized in that: described hydrodynamic retarder comprises fixed wheel (9), driving wheel (7) and housing, described fixed wheel (9) and driving wheel (7) are installed in slow epitrochoidal chamber (23), and fixed wheel (9) is fixedly connected with housing, described driving wheel (7) is connected with vehicle startup machine crankshaft (5) by power-transfer clutch (6), and power-transfer clutch (6) is connected with control unit phase control.
5. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 1, it is characterized in that: also comprise refrigerant fluid compensation box (13), one end of this refrigerant fluid compensation box (13) is connected with outlet conduit (25), and the other end is connected with inlet pipeline (24).
6. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 5, is characterized in that: on described refrigerant fluid compensation box (13), be connected with by pass valve (8), the other end of this by pass valve (8) is connected on inlet pipeline (24).
7. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 4, is characterized in that: described power-transfer clutch (6) is clutch with multiple laminated disc or magnetic clutch.
8. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 7, it is characterized in that: described power-transfer clutch (6) is magnetic-powder-type magnetic clutch, this power-transfer clutch comprises magnetic conductive disk (18), magnetic (16), magnetic chamber (27) and exciting coil (15) that can external source, magnetic conductive disk (18) is solidly set on vehicle startup machine crankshaft (5), exciting coil (15) is arranged on the upper position corresponding with magnetic conductive disk (18) of driving wheel (7), magnetic (16) is distributed in magnetic chamber (27), and magnetic chamber (27) are positioned between exciting coil (15) and magnetic conductive disk (18).
9. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 8, it is characterized in that: described exciting coil (15) is connected with external power supply by electrical assembly, this electrical assembly comprises slip ring, carbon brush (17) and relay, and exciting coil, slip ring, carbon brush (17) and relay are connected with external power supply after being electrically connected mutually successively.
10. automobile-used fluid dielectric coolant formula hydrodynamic retarding device according to claim 1, it is characterized in that: described inlet throttle valve (4) and/or speed control muffler (11) comprise motor (21), spool (22) and screw body and the valve body (20) that has circulation passage (20-1), motor (21) is flexibly connected with spool (22) by screw body, motor (21) is connected with control unit phase control, spool (22) is positioned at circulation passage (20-1) and is with movable valve plug (22) at circulation passage (20-1) thereby the mobile flow area size that changes circulation passage (20-1) by drive motor (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635077.7U CN203713852U (en) | 2013-10-15 | 2013-10-15 | Vehicle cooling liquid medium type hydraulic retarding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635077.7U CN203713852U (en) | 2013-10-15 | 2013-10-15 | Vehicle cooling liquid medium type hydraulic retarding device |
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| Publication Number | Publication Date |
|---|---|
| CN203713852U true CN203713852U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320635077.7U Withdrawn - After Issue CN203713852U (en) | 2013-10-15 | 2013-10-15 | Vehicle cooling liquid medium type hydraulic retarding device |
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| CN (1) | CN203713852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481871A (en) * | 2013-10-15 | 2014-01-01 | 江苏理工学院 | Cooling-liquid medium type hydraulic retarding device for vehicle |
| CN104235235A (en) * | 2014-09-16 | 2014-12-24 | 江苏理工学院 | Vehicle hub-type integrated hydraulic retardance and friction brake device |
| SE543762C2 (en) * | 2018-05-24 | 2021-07-13 | Scania Cv Ab | A cooling system for an engine and a water retarder |
-
2013
- 2013-10-15 CN CN201320635077.7U patent/CN203713852U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481871A (en) * | 2013-10-15 | 2014-01-01 | 江苏理工学院 | Cooling-liquid medium type hydraulic retarding device for vehicle |
| CN103481871B (en) * | 2013-10-15 | 2015-07-22 | 江苏理工学院 | Cooling-liquid medium type hydraulic retarding device for vehicle |
| CN104235235A (en) * | 2014-09-16 | 2014-12-24 | 江苏理工学院 | Vehicle hub-type integrated hydraulic retardance and friction brake device |
| SE543762C2 (en) * | 2018-05-24 | 2021-07-13 | Scania Cv Ab | A cooling system for an engine and a water retarder |
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