CN1966951A - Pump - Google Patents
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- Publication number
- CN1966951A CN1966951A CNA2006101455071A CN200610145507A CN1966951A CN 1966951 A CN1966951 A CN 1966951A CN A2006101455071 A CNA2006101455071 A CN A2006101455071A CN 200610145507 A CN200610145507 A CN 200610145507A CN 1966951 A CN1966951 A CN 1966951A
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- driving element
- axle
- tension element
- 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
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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
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to a pump ( 2 ) which is constructed to convey coolant in an engine and wherein a tensioning element ( 4 ) designed for tensioning a drive member of the engine is integrated. Also integrated in this pump ( 2 ) is a closed pump wheel.
Description
Technical field
The present invention relates to pump, tension element and motor.
Background technique
Motor is equipped with cooling system usually, comprises coolant pump, is used for carrying cooling liquid at cooling system.For this reason, coolant pump is by the chain or the belt drives of motor.
Summary of the invention
The invention provides a kind of pump with feature of claim 1, a kind ofly have the pump of the feature of claim 9, a kind of tension element and an a kind of motor with feature of claim 21 with feature of claim 19.
The described pump of claim 1 is used for carrying cooling liquid at motor according to the present invention.Described pump is combined with tension element, is used for the driving element of tensioning motor.
Thereby described pump is arranged to have combined function and carries cooling liquid in the cooling system of motor or internal-combustion engine.Described driving element is looped around on several axles of motor, drives described pump, the securable described driving element of the tension element of pump.Tension element can compensate the length that occurs between the driving element on-stream period and change.
Tension element can be inserted in the pump case of pump.Thereby can be easy to tension element is equipped on the pump as adapter.Yet tension element also can be arranged to the part of pump, preferably is arranged to the part of pump case.
Can be by tension element being attached on the pump such as hydraulic element.If tension element has been inserted in the pump case, following step is exactly that main oil gallery from motor is to its supplied with pressurized oil so.
The axle of pump is connected on the driving wheel, and this driving wheel is by the driving element rotary driving, and the axle of pump is installed on the preferred hydraulic pressure sliding bearing.This sliding bearing is lubricated by first hole that is connected to main oil gallery.First hole in the pump case couples together the main oil gallery of cylinder crank case and the inferior oil duct of pump.
Rely on the cooling liquid of using, pump can be used as coolant pump or water pump.Driving element is as the assembly of motor master control system then.This driving element can be the especially form of toothed belt, V-type band or flat rubber belting of chain, belt.
Pump preferably has the axle that is installed on the sliding bearing.End at axle has the driving wheel that cooperates running with driving element usually, makes axle rotate by driving wheel in engine running.
What the pump impeller of sealing can add is combined on the pump, and this pump is combined with tension element.The pump impeller of this sealing preferably is connected to the other end of axle, together rotates with axle, thus the volume flow of the required cooling liquid of transmission engine cooling.
The described pump of claim 9 is used for carrying cooling liquid at motor according to the present invention, and described pump is combined with the pump impeller of sealing.
In the pump impeller sealing, can in pump, obtain best interstitial site.The pump impeller of this sealing is easy to make.
Pump is preferably as the part of engine-cooling system.Between cooling system on-stream period with pump, the pump impeller that flows through rotation that cooling liquid or cooling liquid can be axial.
Packing ring can be arranged on the rear side of pump impeller.In addition, face seal can be pushed this packing ring, and it is resisted against on the pump impeller.Thanks to this packing ring, it can be such as the packing ring of rotation, does not need further machining just can obtain the finished form of pump impeller.
Thanked to the preferred structure of pump impeller, can be easy to and form accurately the gap by on the cylinder crank box, carrying out the processing of cylindrical tool as seal wheel, thereby, best interstitial site in pump, obtained.Be resisted against on the pump impeller owing to being pushed by face seal, so between packing ring and pump impeller, do not need mechanical connection at the packing ring of pump impeller rear side.The use of packing ring means that the pump impeller of sealing can be easy to be installed in the pump.
According to further feature, the described diameter of axle is to being installed on the preferred hydraulic pressure sliding bearing, by main oil gallery from the cylinder crank case of motor to this sliding bearing supplied with pressurized oil.Thereby, can provide cheap installation to the axle of pump.The pump impeller that is arranged so that sealing so more suitably is installed in the pump case.In this pump, axle is usually by axial seal, and this will cause axle to produce problematic axial motion.In pump of the present invention, can the diameter of axle be avoided the generation of the problems referred to above to blockade by radial seal.
The driving wheel of pump and pump impeller can be driven by driving element from the master control system of motor.Described pump has the geometrical shape such as screw type, and is cast into V-type in the cylinder crank case of motor.
In order to make or to assemble, pump impeller and driving wheel can be screwed onto on the axle by screw thread opposite with the axle sense of rotation when pump turns round, and can be clockwise or counterclockwise.
According to further feature, the flange on the sliding bearing is configured to the cod of axle, and it is between axle and driving wheel.In this case, vent hole also is configured for the lubricated cave of cod simultaneously in the pump impeller side.In addition, pump of the present invention can cut out main oil-hole.In addition, can also carry out suitable distribution to main oily flow.
Pump also can have pump cover, and this pump cover is used to cover pump chamber.
According to a feature, pump according to claim 9 also has combination tension element thereon, is used for the driving element of tensioning motor.
Thereby pump of the present invention can have at least one assembly that cooperates running with the driving element of engine control system.This at least one assembly is as the tension element that is used for the tensioning driving element and/or as the pump impeller that is driven by driving element.Adopt pump in accordance with the present invention can obtain the height combination of assembly function.
Do not consider two assemblies that said pump comprises, described pump can have leakage-chamber, and the grease chamber with this leakage-chamber and pump separates by shaft sealing.
Preferably this leakage-chamber is blocked by O type ring from grease chamber and hydroecium.In addition, this leakage-chamber can outwards ventilate by first hole or via the doughnut between pump case and the cylinder crank box.
Whether face seal breaks down to overflow from the hole that is used to ventilate on the cylinder crank case by cooling liquid detects.Accordingly, can not consider that it is to be caused by the defective of face seal defective that cause or shaft sealing, also not need motor is taken apart and definite location of fault.The suitably-arranged of the leakage way in motor and/or the pump can be assisted and be carried out this detection.
Described pump is such as water pump.If the cooling liquid of using in the engine-cooling system is water and the cooling liquid mixture such as antifreeze liquid, this pump is such as coolant pump just so.
Cooling system with pump is guaranteed under all operating modes motor or internal-combustion engine to be cooled off fully.
The pump of conveying cooling liquid is normally driven as driving element by toothed belt, a plurality of V-type band or chain in cooling system.The tension element that is attached on the pump according to the present invention is tensioned to the degree that is suitable for special operation condition with the driving element of motor.
Thereby driving element by fully tensioning, makes between each wheel that is surrounded with driving element of the axle of motor effectively transferring rotational motion under all operating modes of motor.
Generally speaking, do not consider special embodiment, pump is arranged to have comprehensive function, is used for the conveying of the cooling liquid of internal-combustion engine, this pump and following at least one assembly, and just the pump impeller of tension element, sealing and/or leakage-chamber combine.
Tension element according to the present invention is arranged to the driving element of tensioning motor, and is attached on the pump, and this pump is used for carrying cooling liquid at described motor.
According to the design of driving element, this tension element can be chain or belt tightener.
In a possible embodiment, can comprise driving element and pump in accordance with the present invention according to motor of the present invention.Accordingly, the driving element of this motor cooperates running with at least one assembly of pump.At least one assembly of pump can make driving element cooperate running with tension element for being attached to the tension element on the pump, and/or at least one assembly of pump can make driving element cooperate running with pump impeller for being attached to the pump impeller on the pump.
Other advantage of the present invention and embodiment will become obvious from the following description and accompanying drawing.
Be appreciated that without departing from the scope of the invention above-mentioned feature of mentioning and the feature that hereinafter will describe can not only be used among the described special combination, also can be used for other combination or they itself.
Description of drawings
Reference example embodiment has illustrated the present invention in the accompanying drawing, with reference to the accompanying drawings, below with more detailed description the present invention.
Fig. 1 is the embodiment's of pump a schematic representation;
Fig. 2 is the sectional drawing of pump shown in Fig. 1;
Fig. 3 is embodiment's the schematic representation that comprises the motor of pump shown in Fig. 2.
Embodiment
Adopt overlapping mode that accompanying drawing is described together, wherein identical reference character is represented identical assembly.
Fig. 1 shows pump 2 or water pump.This pump 2 has pump case 3, is used for carrying cooling liquid at the cooling system of motor, does not show among Fig. 1.
In the present embodiment, tension element 4 is attached on the pump case 3 of pump 2.Described tension element 4 is the driving element that is used for the tensioning motor, and is not shown in the figures.Also be combined with the pump impeller 6 of sealing in the pump 2 shown in the present embodiment.
Described pump 2 also includes driving wheel 8.In case pump 2 has been installed in the motor, can expect that the driving element of motor is looped around on the driving wheel 8, this driving element is the form of chain preferably, perhaps may be selected to be the form of belt, and described driving wheel 8 is the form of sprocket wheel in the present embodiment.The driving element of described motor also be looped around several be installed in motor the axle on wheel on.
In the time of engine running, by driving element, via driving wheel 8, motor the axle and pump 2 between transferring rotational motion.Be the tension element 4 of chain tensioner form by being attached in the present embodiment on the pump 2, described driving element can be tensioned under any operating mode of engine running, makes effectively transferring rotational motion.Described pump case 3 also has the circular groove 9 that is used to hold O type ring.
Fig. 2 is the sectional drawing along dotted line II-II of pump 2 shown in Figure 1.The figure shows the axle 10 of pump 2.Can expect that pump impeller 6 and driving wheel 8 are to be screwed onto on the axle by the screw thread opposite with the axle sense of rotation.In the time of engine running, rotatablely moving of driving wheel 8 is delivered to pump impeller 6 via axle 10.Shaft sealing 11 is around being arranged on the axle 10.
The pump impeller 6 of sealing is towards the cooling passage opening of engine-cooling system.In the time of engine running, shown in the double-head arrow among the figure, be included in the pump impeller 6 that cooling liquid in the cooling system flows into sealing vertically.The pump impeller 6 of sealing impels cooling liquid to flow in cooling system, makes the motor that is provided with pump 2 or internal-combustion engine under all operating modes, and is sufficiently cooled in all operation points.
Packing ring 12 at pump impeller 6 rear sides that seal is pushed and is resisted against on the pump impeller 6 of sealing by face seal 14.To need between the pump impeller 6 of packing ring 12 and sealing, not provide mechanical connection like this.In addition, the finished form that can not need the pump impeller 6 that further machining obtains to seal by packing ring 12 is installed.
In addition, the pump case 4 with pump core 16 includes first hole 18, vent hole 20 and second hole 22.
Fig. 3 is the schematic representation of pump 2 in motor 24 inboards, and this motor is a V-type engine.The pump 2 of described V-type engine is combined with face seal 14 and sliding bearing 26, also is combined with the control system that is used for motor 24 or the tension element 4 of master control system.In the time of engine running, driving wheel 8 has the driving element (not shown) around thereon, and drives this driving element rotation.The tension element 4 that is attached on the pump 2 is used for this driving element of tensioning.
The pump impeller 6 of sealing is driven by driving element by driving wheel 8 and axle 10.The pump impeller 6 of described sealing is a helix structure, is cast V-type in the cylinder crank case 25 of motor 24.The water channel 27 of motor 24 cooling systems is arranged in this cylinder crank case 25.Between motor 24 on-stream periods, cooling liquid is crossed the pump impeller 6 of sealing from water channel 27 axial flow.
By on cylinder crank case 25, carrying out the processing of cylindrical tool, can on the pump impeller 6 of sealing, the gap be set easily and accurately.
Flange on the sliding bearing 26 is configured to the cod 30 of pump shaft 10, and it is between pump shaft 10 and driving wheel 8.Vent hole 20 among Fig. 2 also is configured for the lubricated cave of cod 30 in driven wheel side.
Shaft sealing 11 separates grease chamber and leakage-chamber, and as shown in Figure 3, this leakage-chamber is arranged on after the surface 14, and is covered by face seal 14.This leakage-chamber outwards ventilates via the doughnut between pump case 3 and the cylinder crank case 25 by first hole 18.Described leakage-chamber is blocked from hydroecium and grease chamber by at least one O type ring 32, this O type ring 32 is arranged on one of them groove 9 shown in Fig. 1 or 2.
Under the situation that face seal 14 or shaft sealing 11 are broken down, this fault can be overflowed from the vent 36 on the cylinder crank case 25 by cooling liquid or oil and be detected, just, rely on fault whether to be positioned at face seal 14 or shaft sealing 11, can determine location of fault and do not need motor is taken apart.
Claims (24)
1, a kind of pump is used for carrying cooling liquid at motor (24), and wherein, described pump is combined with tension element (4), is used for the driving element of tensioning motor (24).
2, pump according to claim 1, wherein, it includes pump case (3), and described tension element (4) is inserted in the described pump case (3).
3, pump according to claim 1 and 2, wherein, described tension element (4) is contained among the hydraulic element.
4, according to the described pump of above-mentioned any claim, wherein, described tension element is a chain tensioner.
5, according to the described pump of above-mentioned any claim, wherein, described pump is driven by the driving element of motor (24) master control system.
6, according to the described pump of above-mentioned any claim, wherein, described pump includes the axle (10) that is installed on the sliding bearing (26).
7, pump according to claim 6 wherein, cooperates the driving wheel (8) of running to be connected on the described axle (10) with driving element.
8,, wherein, be combined with the pump impeller (6) of sealing according to the described pump of above-mentioned any claim.
9, a kind of pump is used for carrying cooling liquid at motor (24), wherein, is combined with the pump impeller (6) of sealing.
10, pump according to claim 9, wherein, packing ring (12) is arranged on pump impeller (6) rear side of sealing, and face seal (14) is pushed described packing ring (12), makes on its pump impeller that is resisted against sealing (6).
11, according to claim 9 or 10 described pumps, wherein, the pump impeller of described sealing (6) is screwed onto on the axle (10), simultaneously, cooperates the driving wheel (8) of running to be connected on the described axle (10) with driving element.
12, pump according to claim 11, wherein, described axle (10) is installed on the sliding bearing (26).
13, according to any described pump in the claim 9 to 12, wherein, radial seal blocks described axle (10) get up.
14, according to any described pump in the claim 9 to 13, wherein, described pump is combined with tension element (4), is used for the driving element of tensioning motor (24).
15, according to the described pump of above-mentioned any claim, wherein, described pump has leakage-chamber, and this leakage-chamber separates with the grease chamber by shaft sealing (11).
16, pump according to claim 15 wherein, blocks described leakage-chamber from grease chamber and hydroecium (34) by O type ring (32).
17, invite 15 or 16 described pumps according to right, wherein, described leakage-chamber ventilates via the doughnut between pump case (3) and motor (24) cylinder crank case (25) by the hole.
18, according to the described pump of above-mentioned any claim, wherein, described pump is the form of water pump.
19, a kind of tension element is used for the driving element of tensioning motor (24), is combined in the pump (2), and described pump is used for carrying cooling liquid at motor (24).
20, tension element according to claim 19, wherein, described tension element is a chain tensioner.
21, a kind of motor comprises driving element and according to any described pump (2) in the claim 1 to 18.
22, motor according to claim 21, wherein, described driving element cooperates running with the assembly of at least one pump (2).
23, according to claim 21 or 22 described motors, wherein, described driving element cooperates running with tension element (4) on being combined in pump (2).
24, according to any described motor in the claim 21 to 23, wherein, described driving element cooperates running with pump impeller (6) on being combined in pump.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005056507A DE102005056507A1 (en) | 2005-11-17 | 2005-11-17 | pump |
| DE102005056507.7 | 2005-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1966951A true CN1966951A (en) | 2007-05-23 |
Family
ID=37745614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101455071A Pending CN1966951A (en) | 2005-11-17 | 2006-11-17 | Pump |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070122294A1 (en) |
| EP (1) | EP1788217A1 (en) |
| JP (1) | JP2007138939A (en) |
| CN (1) | CN1966951A (en) |
| DE (1) | DE102005056507A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011077280B4 (en) | 2011-06-09 | 2019-08-14 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine for a motor vehicle |
| CN102889122B (en) * | 2011-07-21 | 2015-04-15 | 上海汽车集团股份有限公司 | Pressurizing device |
| JP5469153B2 (en) * | 2011-11-18 | 2014-04-09 | 本田技研工業株式会社 | Water pump mounting structure for internal combustion engine |
| US11578647B2 (en) * | 2020-03-11 | 2023-02-14 | Arctic Cat Inc. | Engine |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2216801A (en) * | 1938-11-26 | 1940-10-08 | White Motor Co | Internal combustion engine |
| US2842063A (en) * | 1955-06-24 | 1958-07-08 | American Motors Corp | Water pump mounting |
| US3540833A (en) * | 1968-07-01 | 1970-11-17 | Borg Warner | Mechanical seal |
| US3782735A (en) * | 1971-07-06 | 1974-01-01 | Crane Packing Co | Banded sealing washer |
| FR2230225A5 (en) * | 1973-05-14 | 1974-12-13 | Peugeot & Renault | |
| US3863517A (en) * | 1973-09-10 | 1975-02-04 | Lear Siegler Inc | Centrifugal pump mount |
| US3895811A (en) * | 1974-07-19 | 1975-07-22 | Gen Motors Corp | Face sealing arrangement for automotive waterpumps and the like and face seal assembly therefor |
| US4095807A (en) * | 1975-01-03 | 1978-06-20 | Goetzewerke Friedrich Goetze Ag | Slide ring seal |
| DE3869187D1 (en) * | 1987-05-01 | 1992-04-23 | Koyo Seiko Co | WATER PUMP. |
| US4822321A (en) * | 1988-07-18 | 1989-04-18 | General Motors Corporation | Combination water pump and belt tensioner |
| US5338153A (en) * | 1993-06-30 | 1994-08-16 | Caterpillar Inc. | Non-drip fluid circulating pump |
| JPH08121393A (en) * | 1994-10-21 | 1996-05-14 | Unisia Jecs Corp | Closed type pump |
| US5558587A (en) * | 1995-05-15 | 1996-09-24 | Eaton Corporation | Self-contained hydraulic belt tensioner |
| EP0945624B1 (en) * | 1998-03-26 | 2002-07-31 | TCG UNITECH Aktiengesellschaft | Coolant pump |
| US6146111A (en) * | 1998-11-16 | 2000-11-14 | Coleman Machine, Inc. | Automotive water pump |
-
2005
- 2005-11-17 DE DE102005056507A patent/DE102005056507A1/en not_active Withdrawn
-
2006
- 2006-09-20 EP EP06019672A patent/EP1788217A1/en not_active Withdrawn
- 2006-11-17 US US11/600,822 patent/US20070122294A1/en not_active Abandoned
- 2006-11-17 JP JP2006311616A patent/JP2007138939A/en active Pending
- 2006-11-17 CN CNA2006101455071A patent/CN1966951A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1788217A1 (en) | 2007-05-23 |
| US20070122294A1 (en) | 2007-05-31 |
| DE102005056507A1 (en) | 2007-05-24 |
| JP2007138939A (en) | 2007-06-07 |
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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: 20070523 |