CN101605971A - The radial venting axial fan that is used for power engine - Google Patents
The radial venting axial fan that is used for power engine Download PDFInfo
- Publication number
- CN101605971A CN101605971A CNA2007800415614A CN200780041561A CN101605971A CN 101605971 A CN101605971 A CN 101605971A CN A2007800415614 A CNA2007800415614 A CN A2007800415614A CN 200780041561 A CN200780041561 A CN 200780041561A CN 101605971 A CN101605971 A CN 101605971A
- Authority
- CN
- China
- Prior art keywords
- fan
- fan component
- heat exchanger
- component
- engine
- 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
- 238000013022 venting Methods 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 239000003921 oil Substances 0.000 claims description 37
- 239000010720 hydraulic oil Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 230000004044 response Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 15
- 230000014509 gene expression Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 230000008676 import Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 244000000188 Vaccinium ovalifolium Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
- F01P5/043—Pump reversing arrangements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P2001/005—Cooling engine rooms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P2005/025—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers using two or more air pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The present invention relates to a kind of heat-exchange system that is used to have the power engine of engine compartment and heat exchanger chamber.This heat-exchange system comprises the fan guard between heat exchanger chamber and engine compartment.Fan component is arranged in the described fan guard, and this fan component comprises axial flow fan and the radial fan that is connected in central shaft, and its longitudinal axis extends through this central shaft.Fan component is operably connected to fan drive mechanism, this fan drive mechanism setting so that described fan component around described longitudinal axis on first direction and second party rotate up.Come first and second control signals of self-controller that described driving mechanism is rotated on described first and second directions respectively.
Description
Technical field
The present invention relates to a kind of power engine.More particularly, the present invention relates to a kind of be used to the cool off element relevant and the system and method for fluid with power engine.
Background technique
Power engine uses internal-combustion engine to provide power to promote machine usually.In addition, internal-combustion engine can provide power to system, and this system is configured to provide other functions for power engine.For example, some power engines comprise hydraulic system, and this hydraulic system can receive from the power such as the source of internal-combustion engine, and become available form with the complete operation task this power-converting.
Power system such as internal-combustion engine and hydraulic power supply produces a large amount of heat in running.Therefore, need provide various cooling equipments to remove heat,, make power system operation effectively under the situation of avoiding being subjected to the infringement that potential heat brings to guarantee the temperature in the power system from power system.
Summary of the invention
In an illustrative embodiment, a kind of heat-exchange system that is used to have the power engine of engine compartment and heat exchanger chamber has been described.This heat-exchange system illustrates the fan guard that comprises between heat exchanger chamber and engine compartment.Fan component is positioned in the fan guard, and it comprises axial flow fan and the radial fan that is connected in central shaft.Fan component has longitudinal axis, and it longitudinally extends through described central shaft.Fan drive mechanism may be operably coupled to fan component.This fan drive mechanism is set makes fan component rotate on first direction and second direction around described longitudinal axis.Controller may be operably coupled to fan drive mechanism.This controller is configured with thinking that described fan drive mechanism provides and makes described fan drive mechanism in first control signal of rotating on the first direction and second control signal that described fan drive mechanism is rotated on second direction.
In another illustrative embodiment, a kind of power engine that has the motor that is positioned at engine compartment and be positioned at the indoor heat exchanger of heat exchanger has been described.This power engine comprises the fan guard with fan component, and this fan component is positioned at described cover.Described fan guard is positioned between engine compartment and the heat exchanger chamber.Fan component is set rotates it on first direction and second direction.This power engine further comprises and sensor is set with the sensor signal that is provided for indicating operation conditions and the fan override control device that can be controlled by controller.This fan override control device is set to be provided for indicating the enable override signal of its state.Described controller may be operably coupled to fan component, and is set up in order to sensor-lodging and fan enable override signal.Described controller setting is in order to the rotation based on sensor signal and controller signals control fan component.
In another illustrative embodiment, the method for heat-shift in power engine has been described.This method comprises the step that the fan guard between engine compartment and heat exchanger chamber is provided, and fan guard comprises the fan component that is positioned at wherein, and this fan component has the axial flow fan that may be operably coupled to radial fan.Described fan component can rotate on two different directions.This method comprises that further reception is used to indicate first input signal of fan override input state and second input signal of indication power engine operation conditions.Rotation in response to first and second input signals control fan component.
The foregoing invention content has only been introduced design of the present invention simply and has been selected, and will do to set forth further to this in the specific embodiment below.The foregoing invention content neither be in order to be used to help to determine the protection domain of claim theme neither in order to determine the key feature or the substantive characteristics of claim theme.
Description of drawings
Fig. 1 is the side view of power engine, and wherein having the control system of described type or the cooling fan of means is useful at this;
Fig. 2 shows the skeleton diagram that is used for the cooling system of power engine according to a specific embodiment;
Fig. 3-4 provides the perspective view of cooling system among Fig. 2;
Fig. 5 is the worm's eye view of cooling system among Fig. 3;
Fig. 6 is the sectional view of cooling system among Fig. 3, and the double-cooling fan configuration that is arranged in the fan guard is shown;
Fig. 7 shows the skeleton diagram of the fan drive system that is used for control graph 6 cooling fans;
Fig. 8 shows the flow chart of the method for cooling fan in the control graph 6.
Embodiment
Fig. 1 shows power engine 10, and wherein the fan control system of cooling fan and described type or means are useful at this.Power engine 10 shown in Figure 1 comprises the frame 12 that is supported by wheel 14.Frame 12 comprises a column 36 (only illustrating among the figure), is configured in the both sides of power engine 10.The motor of power engine 10 provides power to wheel 14, and power engine is moved under the control of controller.The operator cabin 16 that frame 12 supports as operating room.Controller is positioned at the inside of operator cabin 16 and is used to control power engine 10.
Tailgate 32 pivotally is connected on the frame 12 along a column 36, and is connected to another column 36 (not shown) movably at the bolt place.When tailgate 32 was not connected to described column 36 at the bolt place, tailgate 32 can be opened allowing to enter engine compartment 40, and described engine compartment 40 is between described column 36 and be used to hold the motor (not shown in figure 1) that is positioned at wherein.In addition, heat exchanger chamber 42 be positioned at engine compartment 40 above.The hole 34 of louvre type provides and passes air into or the outlet of outflow heat exchanger chamber 42 between described column 36 and operator cabin 16.Described the overall setting of heat exchanger chamber 42 and engine compartment 40 in the people's such as Mather of Clark equipment company the U.S. Pat 4,815,550, so its full content can be in conjunction with being referred to this.Can also be without departing from the spirit and scope of the present invention, in conjunction with other layouts and the placement of heat exchanger chamber 42 and engine compartment 40.
In a specific embodiment, promoting actuator 20 is oil hydraulic cylinder.Like this, power engine 10 comprises the hydraulic power supply such as the oil hydraulic pump (not shown in figure 1) as shown in the figure, and it is connected to motor, and provides the hydraulic fluid of compression flow into to promote actuator 20, lift arm 18 is risen and falls.Further, linkage interface 28 is connected to lift arm 18 at tie point 30 places as shown in the figure rotationally.One or more tilt actuators (not shown) are connected on linkage interface 28 and the one or more lift arm 18 (or at the cross member that extends between the lift arm 18).Described one or more tilt actuators is illustratively operatively coupled to oil hydraulic pump.By providing hydraulic oil to described one or more tilt actuators, described tilt actuators can be stretched out or withdraw, make linkage interface on the direction shown in the arrow 38 around tie point 30 pivoted.
In addition, in an illustrative embodiment, power engine 10 adopts hydraulic power drive system (not shown in figure 1).This hydraulic power drive system is connected to motor receiving the power output from motor, and with this power-converting in driving mechanism, this driving mechanism is to wheel 14 supplying power in turn, thereby makes wheel 14 move and drive power engine 10.
Fig. 2 is the skeleton diagram of power engine 10 parts, shows wherein the heat exchanger system 50 of being used for according to an illustrative embodiment.As mentioned above and as shown in Figure 2, power engine 10 comprises motor 52.Motor 52 provides power for a plurality of different functions and parts in the described power engine 10, will do at length to set forth to a part wherein below.Owing in the operating process of motor 52, produce a large amount of heat, be necessary heat is removed from motor 52, helping its operating temperature of remaining valid, and reduce and bring the possibility of the infringement relevant for motor 52 with heat.
A kind of method of removing heat from motor 52 is to make cooling fluid cycle through motor 52, removing heat from motor 52, thereby keeps suitable temperature in the motor.Cooling fluid also can cycle through heat exchanger or radiator 56, and it removes heat from cooling fluid.In an illustrative embodiment, cooling fluid is circulated to radiator 56 from motor 52, and by in conduit 54 return engines 52.Conduit 54 shown in Fig. 2 only is for exemplary purpose, and is appreciated that without departing from the spirit and scope of the present invention, and the structure of any conduit 54 between motor 52 and radiator 56 can be applied in the power engine 10.
In an illustrative embodiment, motor 52 is connected in oil hydraulic pump 58 and one or more hydraulic pressure or hydrostatic drive pumps 60, wherein each all receives power from motor 52, and the hydraulic oil of compression is provided in the various hydraulic pressure and/or hydrostatic parts to the power engine 10.For example, oil hydraulic pump receives from for example oil of sump 62 at inlet 64 places.Pump 58 is pumped into actuator 20 from exporting 66 through conduit 80 with oil as shown in the figure then.The hydraulic oil that actuator 20 receives makes 20 motions of this actuator, and this makes that lift arm 18 is raised or falls.
Be appreciated that the skeleton diagram among Fig. 2 only is for exemplary purpose, and do not describe the hydraulic pressure circulation in detail.For example, control valve (not shown) can be positioned at the outlet 66 of described oil hydraulic pump 58 and promote between the actuator 20, flows to the speed and the direction of the hydraulic oil that promotes actuator 20 from oil hydraulic pump 58 with control.In addition, oil can turn to miscellaneous part by described control valve, all tilt actuators as previously described.
Similarly, driven pump 60 provides the flow of pressurized of compression as shown in the figure, and 68 flow of pressurized that receive from sump 62 flow to one or more drive motors 72 via conduit 82 by exporting 70 in the ingress.Described one or more drive motor 72 is operably connected to one or more wheels 14, and provides active force so that 14 motions of one or more wheel.Although only show a driven pump 60 among Fig. 2, under the premise without departing from the spirit and scope of the present invention, power engine 10 can have a plurality of driven pumps 60, and each driven pump wherein all provides the hydraulic oil of compression to one or more drive motors 72.
Hydraulic oil is pumped the above-mentioned hydraulic unit of flowing through, and except fluid dynamic is provided, also from wherein absorbing heat, thereby it is cooled off, and described hydraulic unit comprises above-mentioned pump, motor, valve and actuator.In an illustrative embodiment, hydraulic oil also cycles through the heat exchanger of oil cooler 74 forms, and this oil cooler is removed heat in the mode similar to radiator 56 from hydraulic oil.Hydraulic oil is provided to oil cooler 74 through conduit 84 from motor 72, actuator 20, oil hydraulic pump 58 and driven pump 60 as shown in the figure.In case hydraulic oil passes oil cooler 74, just return sump 62 as figure.Yet being arranged under the prerequisite that does not depart from the scope of the present invention with spirit of hydraulic oil parts and import and export can be carried out various variations in the power engine 10.
For illustrative purposes, oil cooler 74 and radiator 56 are regarded as a part in the heat exchanger system 50 of power engine 10.Certainly, circulation provides cooling through the fluid of oil cooler 74 and radiator 56 for hydraulic pressure and engine components, and thinks that it is a part that comprises in the fluid cooling system of heat exchanger 50.
In an illustrative embodiment, heat exchanger system 50 also comprises fan component 76.Fan component 76 makes air flows cross the surface of oil cooler 74 and radiator 56, to remove the heat that absorbs from the fluid that flows through oil cooler 74 and radiator 56.Fans drive 78 is connected to fan component 76.In an illustrative embodiment, fans drive 78 provides power to fan component 76, and the speed and the direction of 76 rotations of control fan component.Fan component 76 can sucking-off cross the air on oil cooler 74 and radiator 56 surfaces, or selectively, forces air to cross oil cooler 74 and radiator 56 surfaces.To set forth the performance and the running of fan component 76 and fans drive 78 below in more detail.
Fig. 3-6 shows the parts that are installed in the heat exchanger system 50 in the power engine 10 of the illustrative embodiment according to the present invention.As mentioned above, heat exchanger system 50 comprises radiator 56 and oil cooler 74, and the two all is set in place in the heat exchanger component 42 between the column 36 of power engine 10.Radiator 56 is constructed for receiving and allows engine coolant to flow through radiator 56.Oil cooler 74 is configured in order to receive and to allow hydraulic oil to flow by this oil cooler.
Between the engine compartment 40 and heat exchanger Room 42 of fan guard 120 in power engine 10.Fan guard 120 has the hole 122 with second side, 118 adjacent positioned of radiator 56.In addition, fan guard 120 has the hole 124. with hole 122 relative positionings.Hole 124 is in the position that allows air to flow between fan guard 120 and engine compartment.In an illustrative embodiment, hole 124 has the mesh pattern 126 that this hole 124 is subdivided into a plurality of littler holes.It is adjacent with the hole 34 of louvre type that the shape of formation fan guard 120 makes that hole 128 is oriented to, and flows between fan guard 120 and power engine 10 outsides to allow air.
Fan component 76 is positioned at fan guard 120.Fan component 76 comprises axial flow fan 132, and this axial flow fan comprises a plurality of axial fan blades that extend from central shaft 134.Described axial flow fan 132 is positioned at and hole 122 position adjacent, and described hole 122 is positioned at 42 position adjacent with heat exchanger chamber successively.Fan component 76 also comprises radial fan 136, and this radial fan comprises a plurality of radial fan blades that are connected in central shaft 134.Described radial fan 136 is positioned at and hole 124 position adjacent, and described hole 124 is successively in the position that allows the air flows between fan guard 120 and the engine compartment 40.
In an illustrative embodiment, axial flow fan 132 and radial fan 136 all are connected on the central shaft 134, and described central shaft 134 is connected in fan drive mechanism 138.Fan drive mechanism 138 is provided with central shaft 134 is rotated, and then axial flow fan 132 and radial fan 136 are rotated.In an illustrative embodiment, fan drive mechanism 138 is oil hydraulic motors that power is provided by oil hydraulic pump.Selectively, fan drive mechanism 138 can be the motor or the driving mechanism of any kind.
In an illustrative embodiment, fan drive mechanism 138 can be rotated, thereby central shaft 134 is rotated on the direction of one of both direction.When fan drive mechanism 138 is rotated on first direction, axial flow fan 132 with air from heat exchanger chamber's suction fan cover.Therefore, air is inhaled in the heat exchanger chamber 42 and flow through oil cooler 74 and radiator 56, thereby heat is taken away from oil cooler 74 and radiator 56.One denier air is through heat exchanger chamber's sucking-off and enter in the fan guard 120, and the hole 34 by hole 128 and louvre type makes force air flow out described cover.
Similarly, when fans drive 138 was rotated on first direction, radial fan 136 rotated so that air is extracted out through engine compartment 40, thereby takes heat out of engine compartment 40.This part synthetic air also is forced to discharge from the hole 34 of louvre type.When fans drive 138 was rotated on the second direction opposite with first direction, air sucked from the hole 34 of louvre type, and 122 and 124 discharges enter motor and heat exchanger chamber 40 and 42 through the hole to force it.
As mentioned above, speed and direction that fans drive 78 control fan components 76 rotate provide power to fan component 76 simultaneously.In an illustrative embodiment, fan drive mechanism 138 provides the part of fans drive 78, shown in Fig. 7 skeleton diagram.Fans drive 78 comprises controller 140 as shown in the figure.Controller 140 can be the electronic equipment of function any kind, that be suitable for implementation in this discussion.In an illustrative embodiment, controller 140 comprises the microcontroller intergrated circuit that can realize a series of instructions.
Controller 140 receives the input signal from one or more sensors and one or more operator input.In an illustrative embodiment, controller 140 receives from being respectively applied for indication engine coolant and the engine coolant temperature sensor 142 of hydraulic fluid temperature and the input signal of hydraulic fluid temperature sensor 144.In addition, controller receives the input signal from fan override control device 146.Based on by sensor 142 and 144 and the situation of the signal that provides of fan override control device 146, controller 140 can provide control signal to direction-control apparatus 148.To elaborate more below between input signal and the direction-control apparatus 148 relation.
In an illustrative embodiment, direction-control apparatus 148 is a hydraulic control valve.Direction-control apparatus 148 links to each other with oil hydraulic pump 150 at import 154 places.Pump 150 is extracted hydraulic oil out from sump 62, and the described oil of pumping is to direction-control apparatus 148.Oil turns back to the sump 62 through exporting 156 from direction-control apparatus 148.Direction-control apparatus 148 has port " A " and port " B ", its respectively with fans drive structure 138 on port " A " be connected with " B ", in the embodiment shown, described fan drive mechanism 138 is an oil hydraulic motor.Hydraulic oil enters fan drive mechanism 138 from direction-control apparatus 148.According to the direction that described oil transmits, fans drive structure 138 will make output shaft 158 rotate on the direction of one of both direction.Output shaft 158 is fixedlyed connected with the central shaft 134 of fan component 76.Like this, fan drive mechanism 138 is rotated fan component 76.
Direction-control apparatus 148 has three-position valve 170 as shown in the figure, but should think that described direction-control apparatus 148 can have all places.Controller 140 is connected with 162 with a pair of actuator 160.Controller 140 is provided with to actuator 160 and first control signal 164 is provided and provides second control signal 166 to actuator 162.When controller 140 neither provides first control signal 164 also not provide second control signal 166, Y position connecting port A and B and import 154 and outlet 156.Therefore, hydraulic oil can not flow to fan drive mechanism 138 from described pump 150.But described oil returns in the sump 62 through exporting 156.Like this, when controller 140 did not provide control signal, fan drive mechanism 138 is drive fan assembly 76 not.Selectively, hydraulic oil is blocked in the Y position that is flowing at import 154 places.This may need pressure relief port.Valve 170 shown in Figure 7 can functionally make oil flow to fan drive mechanism 138.Will be understood that valve shown in Figure 7 170 and other hydraulic units can comprise other features, Decompression valves or pressure relief port for example not shown in Figure 7.
When controller 140 when actuator 160 provides first control signal 164, actuator 160 makes valve 170 displacement.Like this, connecting port, X position A and B and import 154 and outlet 156.In this case, hydraulic oil is flow to the port A of fan drive mechanism 138 through the port A of valve 170 by pump 150.Hydraulic oil is back to the port B of valve 170 and returns sump 62 through its port B from fan drive mechanism 138.This makes output shaft 158 rotate on first direction.
Conversely, when controller 140 when actuator 162 provides second control signal 166, actuator 162 makes valve 170 displacement.Like this, connecting port, Z position A and B and import 154 and outlet 156.In this case, hydraulic oil is flow to the port B of fan drive mechanism 138 through the port B of valve 170 by pump 150.Hydraulic oil is back to the port A of valve 170 and returns sump 62 through its port A from fan drive mechanism 138.This makes output shaft 158 rotate on second direction.
About the elaboration of direction control device 148 purpose of property presented for purpose of illustration just, but be not limited to this.Can recognize that without departing from the scope of the invention direction-control apparatus 148 and fan drive mechanism 138 can adopt any structure form.For example, the hydrovalve of any kind all can be used as direction-control apparatus.In addition, actuator 160 and 162 can receive the control signal that makes valve only move the part in its whole displacement, thereby control enters the flow of the hydraulic oil of fan drive mechanism 138, and then the rotating speed of control fan 76.As another example, fan drive mechanism 138 can be a motor, and Wind Control device 148 can be the electric bridge that the guiding electrical signal enters described motor.
Fig. 8 is the flow chart that the method 200 of control fan component 76 is shown according to an illustrative embodiment.From square 202, determine the state of fan override control device 146.In an illustrative embodiment, fan override control device 146 has two states, starting state and non-started state.Whether the signal indicating fan override control device 146 from fan override control device 146 starts.If determine that in decision block 204 fan override control device 146 has started, then controller 140 determines that fan component 76 should rotate on suitable direction, forces to make air to be discharged from fan guard 120, and enters engine compartment and heat exchanger chamber.This is by square 206 expressions.
If square 204 determines that fan override device 146 does not start, controller 140 is according to the state decision fan control stage of sensor element.At first, obtain the sensor values of sensor 142 and 144.This is by square 208 expressions.The fan control stage can be any one in the three phases: one, two or three.The fan control stage is depended on the value that sensor 142 and 144 provides.If the temperature that sensor 142 and 144 provides is lower than certain level, do not need to make fan component 76 to rotate.This is the stage one.Controller 140 just determines whether can make fan control be in the stage one from the value of sensor 142 and 144, and it is by square 210 expressions.If determine that fan control is in the stage one, then valve 170 is positioned at the Y position, thereby stops oil to flow to fan drive mechanism 138.This is by square 212 expressions.
If determine that fan control is not in the stage one, controller 140 judges whether fan control is in the stage two again.This is by decision block 214 expressions.In the stage two, with suitable direction drive fan assembly 76 from engine compartment 40 and heat exchanger chamber 42, to deflate.If controller 140 determines that fan control is in the stage two, fan component 76 is set as and deflates, just, and with suitable direction drive fan assembly 76.This is by shown in the square 216.
If determine that fan control is not in the stage two, give tacit consent to fan control so and be in the stage three.In the stage three, temperature transducer 142 and 144 judges that temperature is whether enough high so that have excessive sludge potentially in that motor and/or heat exchanger are indoor.Controller 140 just sends appropriate signal to direction-control apparatus 148, and fan drive mechanism 138 is rotated on suitable direction, makes force air flow into motor and heat exchanger chamber 40 and the 42 also lasting scheduled times to clear up described chamber.Like this, when controller 140 has determined that fan control is in stage three, at first determine whether appropriate signal to be sent to direction-control apparatus 148, make force air discharge fan guard 120 and inflow engine and heat exchanger chamber 40 and 42.This is by decision block 218 expressions.If also do not send appropriate signal to direction-control apparatus 148, make the timer initialization, it sends to direction-control apparatus 148 by square 220 indications and with appropriate signal.Like this, fan is configured to force air into motor and heat exchanger chamber 40 and 42, and it is by square 206 expressions.
Be back to piece 218,, reexamine timer to determine whether to surpass the predefined time if fan has set in advance to making forced air flow go into motor and heat exchanger chamber.This is by square 222 expressions.If timer has reached maximum value or predefined time, fan is set so from motor or heat exchanger chamber 40 and 42, deflates.This is by square 216 expressions.
In a specific embodiment, fan control can for once enter the stage three in the operation cycle each time of power engine 10.Selectively, fan control also can repeatedly enter the stage three in an operation process, has or do not have the delay of certain hour before fan control enters the stage three once more.And in another illustrative embodiment, can stop fan control to enter the stage three from operator's input, no matter whether will indicate in addition and can carry out the fan control in stage three from the temperature of sensor 142 and 144.Be appreciated that flow process Figure 200 just is used for determining the control of fan directional.In addition, but controller 140 can also be according to the speed of the input control fan 76 that it received receives from reading and any other controlled device 140 of sensor 142 and 144.
The foregoing description has important advantage.Described fan setting, or is forced air is blown into engine compartment and heat exchanger chamber simultaneously from fan guard with air suction fan cover from engine compartment and heat exchanger chamber simultaneously with optionally.Direction control can be adopted manually or control automatically.Described embodiment can improve the cooling capacity in the power engine, for example, and by forcing to remove the indoor sediments that hinders the cooling system performance, so that the temperature levels of remaining valid in the motor of power engine and the hydraulic system.
Although according to the preferred embodiment the present invention has been done elaboration, without departing from the spirit and scope of the present invention, those skilled in the art will recognize that and to make change on form and the details to the present invention.
Claims (20)
1, a kind of heat-exchange system that is used to have the power engine of engine compartment and heat exchanger chamber comprises:
Fan guard is between heat exchanger chamber and engine compartment;
Fan component is positioned at fan guard, and described fan component comprises central shaft, and axial flow fan is connected thereon with radial fan, and wherein said fan component has the longitudinal axis that runs through the central shaft longitudinal extension;
Fan drive mechanism is operably connected to fan component, and setting so that fan component rotate along first direction and second direction around longitudinal axis; And
Controller is operably connected to fan drive mechanism, and described controller is configured to provide to fan drive mechanism and makes first control signal that fan drive mechanism is rotated in a first direction and second control signal that fan drive mechanism is rotated in a second direction.
2, heat-exchange system as claimed in claim 1, its middle controller is configured to receive at least one input signal, and its middle controller provides in first and second control signals one based on described at least one control signal to fan drive mechanism.
3, heat-exchange system as claimed in claim 2, wherein said at least one signal indicated temperature.
4, heat-exchange system as claimed in claim 2, the state of wherein said at least one input signal indication fan override control device.
5, heat-exchange system as claimed in claim 1, wherein fan drive mechanism comprises:
Reversing motor with the output shaft that is connected to fan component; And
Be connected to the direction-control apparatus of reversing motor, this direction-control apparatus setting so that the output shaft of reversing motor be rotated in a first direction in response to first control signal and be rotated in a second direction, in response to second control signal.
6, heat-exchange system as claimed in claim 5, wherein reversing motor is an oil hydraulic motor, and wherein direction-control apparatus provides hydraulic oil in response to first and second control signals to reversing motor.
7, a kind of power engine that has the motor that is positioned at engine compartment and be positioned at the indoor heat exchanger of heat exchanger, described power engine comprises:
Fan guard, its inside has fan component, and described fan component is between engine compartment and heat exchanger chamber, and fan component is set up along first direction and second direction and rotates;
Sensor is provided with so that the sensor signal of indication operating condition to be provided;
Fan override control device, described fan override control device can and be configured to provide the override control signal of indicating fan override unit state by operator's operation; With
Controller is operably connected to fan component, and is configured to sensor-lodging and fan override control signal, and its middle controller also is provided with the rotation based on sensor signal and operator's SC sigmal control fan component.
8, power engine as claimed in claim 7, its middle controller is provided with the slewing rate with the control fan component.
9, power engine as claimed in claim 7, its middle controller setting so that fan component be rotated in a first direction based on sensor signal.
10, power engine as claimed in claim 7, its middle controller setting so that fan component be rotated in a second direction, based on sensor signal;
11, power engine as claimed in claim 10, its middle controller setting is so that the sense of rotation of fan component is changing first direction through after the scheduled time into from second direction.
12, power engine as claimed in claim 7, its middle controller are provided with so that fan component rotates along a direction in first direction and the second direction based on fan override control signal.
13, power engine as claimed in claim 7, its middle controller are provided with so that fan component rotates along a direction in first direction and the second direction based on fan override control signal, and wherein fan override control signal priority in sensor signal.
14, the heat change method in a kind of power engine comprises:
Fan guard between engine compartment and heat exchanger chamber is provided, and the fan component that is arranged in described fan guard is configured to rotate along two different directions, and the axial flow fan in the fan component may be operably coupled to radial fan;
Receive first signal of indication fan override control input state;
Receive the secondary signal of the state of indication power engine operating condition; And
Sense of rotation in response to the first and second SC sigmal control fan components.
15, method as claimed in claim 14, the step of wherein controlling the fan component sense of rotation comprises:
Make fan component with air from heat exchanger chamber and engine compartment suction fan cover.
16, method as claimed in claim 14, the step of wherein controlling the fan component sense of rotation comprises:
Make fan component force air to enter into heat exchanger chamber and engine compartment from fan guard.
17, method as claimed in claim 16 wherein responds secondary signal and makes fan component force air to enter into the step of heat exchanger chamber and engine compartment from fan guard.
18, method as claimed in claim 16 wherein responds first signal and makes fan component force air to enter step heat exchanger chamber and the engine compartment from fan guard.
19, method as claimed in claim 14, the step of wherein controlling the fan component sense of rotation comprises:
Make fan component force air to enter into heat exchanger chamber and engine compartment from fan guard; With
At the fixed time, make fan component with air from heat exchanger chamber and engine compartment suction fan cover.
20, method as claimed in claim 14 also further comprises:
The slewing rate of control fan component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/594,608 US20080108032A1 (en) | 2006-11-08 | 2006-11-08 | Radial venting axial fan for a power machine |
| US11/594,608 | 2006-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101605971A true CN101605971A (en) | 2009-12-16 |
Family
ID=39205175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800415614A Pending CN101605971A (en) | 2006-11-08 | 2007-11-02 | The radial venting axial fan that is used for power engine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080108032A1 (en) |
| EP (1) | EP2097627A2 (en) |
| CN (1) | CN101605971A (en) |
| CA (1) | CA2668572A1 (en) |
| WO (1) | WO2008057977A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131419A1 (en) * | 2012-03-08 | 2013-09-12 | 中联重科股份有限公司 | Cooling system of hydraulic traveling machine, cooling method thereof and hydraulic excavator |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080000208A1 (en) * | 2006-05-31 | 2008-01-03 | Attachment Technologies Incorporated | Cutter head with multiple mounts, bushing assembly and/or cooler assembly |
| US8104559B2 (en) * | 2008-09-22 | 2012-01-31 | Clark Equipment Company | Multiple air flow paths using single axial fan |
| EP2683565B1 (en) * | 2011-03-11 | 2019-02-13 | Clark Equipment Company | A ventilation system for a power machine |
| US20120247728A1 (en) * | 2011-04-01 | 2012-10-04 | Agco Corporation | Control method for primary and supplemental cooling systems for a work vehicle |
| US20120304944A1 (en) * | 2011-05-31 | 2012-12-06 | Nelson Bryan E | Engine system with reversible fan |
| US8826654B2 (en) | 2011-05-31 | 2014-09-09 | Caterpillar Inc. | Hydraulic fluid system |
| US8844279B2 (en) | 2011-05-31 | 2014-09-30 | Caterpillar Inc. | Hydraulic fan circuit |
| US8453777B2 (en) * | 2011-10-24 | 2013-06-04 | Deere & Company | Cooling fan duct assembly |
| CA2779475C (en) * | 2012-05-29 | 2015-04-07 | Macdon Industries Ltd. | Windrower tractor with parallel heat exchangers for cooling of engine and associated fluids |
| US9388731B2 (en) * | 2013-03-15 | 2016-07-12 | Kohler Co. | Noise suppression system |
| US9752494B2 (en) | 2013-03-15 | 2017-09-05 | Kohler Co. | Noise suppression systems |
| US8960349B2 (en) * | 2013-04-16 | 2015-02-24 | Deere & Company | Hydraulic fluid warm-up using hydraulic fan reversal |
| US9410304B2 (en) * | 2014-04-28 | 2016-08-09 | Cnh Industrial America Llc | Lift assembly for a work vehicle |
| EP3606808B1 (en) * | 2017-04-05 | 2023-05-10 | TVS Motor Company Limited | An air deflecting structure for a two wheeled vehicle |
| KR20210036352A (en) * | 2018-07-25 | 2021-04-02 | 클라크 이큅먼트 컴파니 | Hydraulic oil temperature control in power machinery |
| JP7160646B2 (en) * | 2018-11-22 | 2022-10-25 | キャタピラー エス エー アール エル | construction machinery |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2270823A (en) * | 1938-12-09 | 1942-01-20 | E A Lab Inc | Heat exchange and ventilating system |
| US4382481A (en) * | 1981-02-02 | 1983-05-10 | Dresser Industries, Inc. | Dual fan engine cooling system |
| US4962825A (en) * | 1987-08-21 | 1990-10-16 | Clark Equipment Company | Skid steer loader |
| JPH0419322A (en) * | 1990-05-14 | 1992-01-23 | Toyota Autom Loom Works Ltd | Dust removing device for radiator in industrial vehicle |
| US5180003A (en) * | 1992-01-14 | 1993-01-19 | Caterpillar Inc. | Dual fan cooling system |
| JP3897185B2 (en) * | 1996-12-26 | 2007-03-22 | 株式会社小松製作所 | Cooling fan drive unit |
| US6076488A (en) * | 1997-03-17 | 2000-06-20 | Shin Caterpillar Mitsubishi Ltd. | Cooling device for a construction machine |
| JPH11193719A (en) * | 1997-12-26 | 1999-07-21 | Kubota Corp | Engine cooling device of working equipment |
| US6070560A (en) * | 1998-11-04 | 2000-06-06 | Daimlerchrylser Corporation | Cooling fan system for a motor vehicle |
| US6161609A (en) * | 1998-11-25 | 2000-12-19 | Carrier Corporation | Flow control apparatus |
| US6302066B1 (en) * | 1999-04-30 | 2001-10-16 | Caterpillar Inc. | Apparatus and method of cooling a work machine |
| US6092377A (en) * | 1999-06-01 | 2000-07-25 | Tso; Ming-Li | Air cooled two stage condenser for air conditioning and refrigeration system |
| JP4224172B2 (en) * | 1999-07-13 | 2009-02-12 | ヤンマー株式会社 | Tractor closed engine room noise reduction structure |
| US6321830B1 (en) * | 1999-12-15 | 2001-11-27 | Caterpillar Inc. | Cooling system for a work machine |
| JP4567236B2 (en) * | 2001-05-25 | 2010-10-20 | 株式会社小松製作所 | Drive control device for cooling fan |
| US6634448B2 (en) * | 2001-07-20 | 2003-10-21 | Mark Bland | Riding lawn mower with improved radiator system |
| JP2004251120A (en) * | 2003-02-17 | 2004-09-09 | Komatsu Ltd | Rotation control device of hydraulic drive fan for cooling device |
| US6766774B1 (en) * | 2003-06-18 | 2004-07-27 | General Motors Corporation | Cooling module with axial blower and pressure regulated cross-flow fan |
| JP4439287B2 (en) * | 2004-02-19 | 2010-03-24 | 株式会社小松製作所 | Construction machine cooling system |
| FR2882536B1 (en) * | 2005-02-25 | 2007-08-24 | Koyo Hpi Soc Par Actions Simpl | METHOD FOR CONTROLLING THE INVERSION OF THE ROTATION DIRECTION OF A HYDRAULIC ENGINE AND SYSTEM FOR IMPLEMENTING SAID METHOD |
-
2006
- 2006-11-08 US US11/594,608 patent/US20080108032A1/en not_active Abandoned
-
2007
- 2007-11-02 CA CA002668572A patent/CA2668572A1/en not_active Abandoned
- 2007-11-02 WO PCT/US2007/083401 patent/WO2008057977A2/en active Application Filing
- 2007-11-02 EP EP07863807A patent/EP2097627A2/en not_active Withdrawn
- 2007-11-02 CN CNA2007800415614A patent/CN101605971A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131419A1 (en) * | 2012-03-08 | 2013-09-12 | 中联重科股份有限公司 | Cooling system of hydraulic traveling machine, cooling method thereof and hydraulic excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008057977A2 (en) | 2008-05-15 |
| WO2008057977A3 (en) | 2008-07-10 |
| EP2097627A2 (en) | 2009-09-09 |
| CA2668572A1 (en) | 2008-05-15 |
| US20080108032A1 (en) | 2008-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101605971A (en) | The radial venting axial fan that is used for power engine | |
| CN101405492B (en) | Cooling fan controller and cooling fan controller for operating machine | |
| JP4439287B2 (en) | Construction machine cooling system | |
| CN100393994C (en) | Method for controlling number of revolution of fan | |
| JPH1068142A (en) | Cooling device of construction machinery | |
| US9239085B2 (en) | Reduced parasitic hydraulic fan system with reversing capability | |
| CN104114777B (en) | Working truck | |
| JP2001182535A (en) | Hydraulic driven cooling fan | |
| US6577909B1 (en) | Method for automatically shutting down a machine during an operator's absence | |
| US20120304944A1 (en) | Engine system with reversible fan | |
| WO2012166589A1 (en) | Hydraulic fan circuit | |
| US9086143B2 (en) | Hydraulic fan circuit having energy recovery | |
| JP3295650B2 (en) | Method and apparatus for controlling fan speed | |
| JP2007023941A (en) | Engine control device for working machine | |
| JP2004108304A (en) | Cooling fan control device in working machine | |
| KR20060112340A (en) | Cooling system of hydraulic equipment | |
| JP2009274462A (en) | Air conditioner | |
| JP2008128038A (en) | Cooling fan driving control device | |
| KR100849502B1 (en) | Control method of cooling fan speed of excavator | |
| KR102406369B1 (en) | Construction machinery | |
| KR100723580B1 (en) | A method and apparatus for cooling fan rpm control for heavy equipment | |
| JP2008128039A (en) | Cooling fan driving control device | |
| JP2011231678A (en) | Hydraulic drive device of working machine | |
| KR100988406B1 (en) | Apparatus for driving a cooling fan motor of construction heavy equipment | |
| RU50212U1 (en) | HYDRAULIC WINCH LGR-100 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091216 |