CN100416137C - Transmission lubricating system when in driven state and usage method - Google Patents
Transmission lubricating system when in driven state and usage method Download PDFInfo
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- CN100416137C CN100416137C CNB200510084523XA CN200510084523A CN100416137C CN 100416137 C CN100416137 C CN 100416137C CN B200510084523X A CNB200510084523X A CN B200510084523XA CN 200510084523 A CN200510084523 A CN 200510084523A CN 100416137 C CN100416137 C CN 100416137C
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- fluid
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- vehicle
- driving component
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Abstract
A transmission lubrication system for a vehicle transmission includes a fluid collection chamber positioned to collect fluid thrown by a rotatable member within the transmission. Structure forming a flow passage extending from the fluid collection chamber is in fluid communication with a transmission component so that the collected fluid flows from the fluid collection chamber via the flow passage to the transmission component to lubricate the transmission component.
Description
Related invention
The application requires to enjoy the U.S. Provisional Patent Application No.60/589 that submitted on July 20th, 2004,281 preference, and the content of this application is incorporated by reference in this article.
Technical field
The present invention relates to a kind of lubrication system of power transmission system, the lubrication system when especially being drawn.
Background technique
The power transmission system of vehicle comprises the moving part that many requirements are lubricated.Typical transmission lubrication system comprises the lubricant oil of pumping circulation.The power of pump is provided by the motor of vehicle.When tail-off, as when vehicle is subjected to drawing, pump does not turn round, and at this moment can not arrive transmission system by the pumping lubricating fluid.
Summary of the invention
Propose a kind of transmission lubrication system of vehicle drive system, its Castor Oil driving component is especially closed the driving component that moves when vehicle is subjected to drawing when the power source of vehicle.The transmission lubrication system comprises: driving component; Form the structure of fluid collection cavity, the relative driving component in its position can be collected the fluid that the rotating component by transmission system throws away.Structure as transmission case has formed the fluid passage of extending from the fluid collection cavity, is communicated with the driving component fluid, can make the fluid of collection flow into driving component from the fluid collection cavity by the fluid passage by gravity.
In one aspect of the invention, rotating component can be discharging chain or gear, is positioned at the inner space of transmission system, and is connected to power source and wheel.When power source was connected, rotating component rotated by drive power source, closed vehicle when power source and was drawn when mobile, can rotate by the drive of rotating-wheel.Fluid in rotating component and the transmission system contacts, and can throw away fluid, makes it collect the fluid collection cavity.The fluid collection cavity has the characteristic of overflowing, and when the fluid of collecting reached predetermined level, the fluid that allows to collect overflowed the fluid collection cavity.
In another aspect of this invention, the housing of transmission system comprises the extension, can make to splash into the fluid collection cavity then from the extension in the lubricating fluid cladding extension of injecting.
In still another aspect of the invention, the fluid passage comprises valve, but limit fluid flows when the drive power source vehicle; When power source not (when vehicle is drawn) during powered vehicle, optionally open and allow fluid to flow to driving component from the fluid collection cavity.
Of the present invention also have one aspect, branched bottom extends from the fluid passage, allows fluid to flow to another driving component from the fluid passage, and it is lubricated.Valve can be positioned at branched bottom, when the pressure of fluid passage reaches predeterminated level, optionally opens the permission fluid and flow to another driving component.
A kind ofly be subjected between period of traction the method for lubricated vehicle drive system at vehicle, described method comprises: towing vehicle makes the wheel of vehicle.The rotation of response wheel, the rotating component that is positioned at transmission system rotates by the transmission system lubricating fluid, and lubricating fluid is thrown away rotating component.This method also comprises collects the fluid that throws away.At last, this method comprises that the fluid that guiding is collected flows to driving component, is lubricated it.
Perhaps, this method can comprise that also after said twisting step, fluid cladding housing that throws away and the fluid that throws away drip from the housing of cladding, collect the fluid that drips.
Below by with reference to the accompanying drawings and the detailed introduction that the Implementation Modes of the best of the present invention is carried out, can be to above-mentioned feature and advantage of the present invention, and other feature and advantage have clearer understanding.
Description of drawings
Fig. 1 has shown by the schematic representation of second vehicle towed first vehicle;
Fig. 2 is the perspective schematic view of transmission lubrication system, comprising the rotating component of the transmission system that is pulled vehicle of oiling chart 1; With
Fig. 3 is part perspective view and the partial cross section figure that has schematically shown the transmission lubrication system of Fig. 2, does not wherein show rotating component.
Embodiment
With reference to the accompanying drawings, wherein identical mark is represented identical parts.Fig. 1 has shown and has been pulled the traction that vehicle 100 is subjected to towing vehicle 101.Be pulled vehicle 100 and comprise power source, as motor 102, in driven operation period driving transmission system 104, to drive wheel 108.Rotating component as discharging chain 106, drives the box of tricks (not shown), and it is connected to wheel 108, under normal circumstances drives wheel.Perhaps replace discharging chain 106, rotating component can be the gear 143 (or a plurality of gear) that shows with hachure, rotates around same axle I, as the axle in chain 106 left sides.During the driven operation, the pump (not shown) that is subjected to motor 102 drivings provides lubricated inside moving part to transmission system 104, to prevent frictional heat infringement parts.Be subjected between period of traction, pump is not activated, and therefore lubricated moving part to transmission system 104 can not be provided.
With reference to figure 2, transmission lubrication system 110 comprises fluid collection cavity 112, and this paper also is called fuel tank.The structure of any fluid that can collect herein to be introduced, no matter whether it has box structure, can be as the fluid collection cavity in the scope of the present invention.Fuel tank 112 is installed to or the whole inner shell body wall 114 (showing with hachure) that is formed at transmission system 104.Fuel tank 112 generally is positioned at chain 106 tops.When chain when the clockwise direction of arrow A indication rotates, the fluid 117 of transmission system bottom is collected in bottom 116 contacts of chain 106.When chain is rotated further, centrifugal force throws away chain 106 with some fluids.The fluid that throws away can be splashed to wall 114, cladding wall 114, or leave wall 114 and enter in the fuel tank 112, shown in the path of arrow B.The throwing away fluid and can collect extension 118 (as ratchet) of cladding wall 114, it is formed at or is installed on wall 114, and its position can make the fluid of collection splash into following fuel tank 112.(should be noted that lubrication system 110 also can work when chain 106 inhour is rotated, as the vehicle 100 of Fig. 1 in the face of with shown in the opposite direction of direction of traction.In this case, fluid throws away from chain 106 with different mode, but still is collected in fuel tank 112).Fuel tank 112 has formed and has overflowed lip 120, and when fluid reached predetermined level (as the bottom of lip 120), the fluid 132 of collection can overflow from fuel tank, so that the fluid in the fuel tank 112 keeps being no more than predetermined level.
With reference to figure 3, pipeline 122 extends downwards from the opening 124 of fuel tank 112, and is connected to structure 126, and pipeline 122 and structure 126 have formed first fluid passage 128 jointly.Structure 126 can be other structures of the formation fluid passage in transmission system housing or the transmission system.First ball check valve 130 when motor 102 powered vehicle, can prevent that fluid from flowing at first flow 128; When motor 102 not during powered vehicle, valve open allows fluid to flow (by gravity from pipeline 122 to structure 126), at this moment wheel turns (when promptly being drawn).The fluid 132 of collecting fuel tank 112 flows to first fluid passage 128 downwards, and the following connecting passage 134 that forms along structure 126 moves, and arrives driving component, as the bearing 136 (fluid flows and represents with the arrow in each passage) of chain 106.Lower channel 134 can use when driven is operated, and lubricating fluid is transferred to bearing 136 from pump 138.But as discussed above, pump 138 is not activated between period of traction, can not help lubricating bearings or other driving components (as gear, bearing, packing ring, clutch plate and sleeve pipe) between period of traction.
Branched bottom 140 fluids are connected to first fluid passage 128.Second ball check valve 142, preferably spring-loaded, be positioned at branched bottom 140.When the pressure of the first fluid passage 128 in first safety check, 130 downstreams reached predetermined level, second safety check 142 allowed fluids by branched bottom 140, surpasses valve 142, flows to other driving component 144.
Therefore, lubrication system 110 flows through first flow channel 128 being subjected to (during the tail-off) when vehicle towed by the fluid that allows to be collected in the fuel tank 112, makes driving component be lubricated.In addition, the branched structure 140 Castor Oil driving components 136 and 144 of flow channel 128, these driving components can be positioned on the different axis of transmission system 104.
Although at length introduced preferred forms of the present invention, the those skilled in the art it should be understood that various embodiment of the present invention and various design belong in the scope of claims.
Claims (16)
1. the transmission lubrication system of a vehicle drive system comprises:
Driving component;
Form the structure of fluid collection cavity, be arranged to collect the fluid that the rotating component by transmission system throws away;
Structure forms the fluid passage of extending from described fluid collection cavity, is communicated with described driving component fluid, makes the fluid of collecting flow to described driving component from described fluid collection cavity through described fluid passage, thus lubricated described driving component;
Wherein, described vehicle comprises power source, and described transmission lubrication system also comprises:
Valve is installed in the described fluid passage, and the fluid that can limit when described drive power source vehicle in the described fluid passage flows; When described power source not during powered vehicle, alternative is opened, so that allow fluid to flow to described driving component from described fluid collection cavity.
2. transmission lubrication according to claim 1 system is characterized in that vehicle comprises wheel, and power source, can drive the driving component that connects transmission system, and described transmission lubrication system also comprises:
Described rotating component is connected to described power source and wheel, and when the described transmission system of drive power source, described rotating component rotates under the driving of power source; When vehicle was subjected to drawing, the rotation of described wheel drove rotating component and rotates.
3. transmission lubrication according to claim 2 system is characterized in that described driving component is the sleeve pipe that is connected to described rotating component, and when described rotating component rotated between period of traction, described sleeve pipe rotated.
4. transmission lubrication according to claim 2 system is characterized in that described rotating component is in discharging chain and the gear.
5. transmission lubrication according to claim 1 system is characterized in that, also comprises:
Branched bottom extends from described fluid passage, allows fluid to flow to another driving component from described fluid passage by described branched bottom.
6. transmission lubrication according to claim 5 system is characterized in that, also comprises:
Safety check is positioned at described branched bottom, when the pressure of described fluid passage reaches predeterminated level, optionally opens the permission fluid and flows to described another driving component by described branched bottom.
7. transmission lubrication according to claim 6 system is characterized in that the described valve that is positioned at described branched bottom is spring-loaded ball check valve.
8. transmission lubrication according to claim 1 system is characterized in that, described fluid collection cavity comprises and overflow characteristic that when the fluid of predeterminated level was collected in described chamber, the fluid that allows to collect overflowed described fluid collection cavity.
9. transmission lubrication according to claim 1 system is characterized in that described transmission system comprises transmission case;
Wherein, the structure of described formation fluid passage is a transmission case.
10. vehicle drive system, it has power source and wheel, and described transmission system comprises:
Housing forms the inner space, and is arranged to described inner space and can holds lubricating fluid;
Rotating component, be positioned at described inner space, can contact with lubricating fluid, and be connected to described power source and wheel, when the described transmission system of described drive power source, described rotating component can rotate by described drive power source, when vehicle is drawn when mobile, can rotate by the drive of wheel, wherein when being driven rotation by described wheel, described rotating component throws away lubricating fluid;
Driving component;
The fluid collection cavity is positioned at described inner space, is communicated with described driving component fluid, can collect the lubricating fluid that throws away, and the transmission lubricating fluid is to described driving component, and is lubricated to it;
Wherein, described housing forms the fluid passage of extending from described fluid collection cavity, and when described fluid collection cavity was positioned at described inner space, fluid was communicated with described fluid collection cavity and described driving component; And described transmission system also comprises:
Valve is installed in the described fluid passage, and the fluid that can limit when the described vehicle of described drive power source in the described fluid passage flows; When described power source does not drive described vehicle, optionally open, so that allow fluid in described fluid passage, to flow.
11. transmission system according to claim 10 is characterized in that, also comprises:
Another driving component;
Branched bottom extends from described fluid passage, allows fluid to flow from described fluid passage, lubricated described another driving component.
12. transmission system according to claim 11 is characterized in that, also comprises:
Safety check is positioned at described branched bottom, when the pressure in the described fluid passage reaches predeterminated level, optionally opens the permission fluid and flow to described another driving component by described branched bottom.
13. transmission system according to claim 10 is characterized in that, described fluid collection cavity comprises and overflows characteristic that when the fluid of collecting in the described chamber reached predeterminated level, the fluid that allows to collect overflowed described fluid collection cavity.
14. transmission system according to claim 10 is characterized in that, described housing comprises the extension, can make the lubricating fluid that injects clad described extension, and splash into described fluid collection cavity.
15. one kind is subjected between period of traction the method for lubricated vehicle drive system at vehicle, described transmission system contains lubricating fluid, and described method comprises:
Towing vehicle makes the wheel of vehicle;
The rotation of response wheel is rotated by lubricating fluid the rotating component that is positioned at described transmission system, and lubricating fluid is got rid of into described transmission system;
The fluid that collection throws away; With
Guide the fluid of collecting to driving component via the fluid passage, it is lubricated, wherein, in described fluid passage valve is installed, be subjected between period of traction at described vehicle, described valve alternative is opened, so that allow fluid to flow to described driving component.
16. method according to claim 15 is characterized in that, described transmission system comprises housing, and described method also comprises:
After said twisting step, the fluid that throws away clads described housing; With
From the fluid that the housing of described cladding drips and throws away, collect the fluid that drips.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58928104P | 2004-07-20 | 2004-07-20 | |
| US60/589281 | 2004-07-20 | ||
| US11/131559 | 2005-05-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727734A CN1727734A (en) | 2006-02-01 |
| CN100416137C true CN100416137C (en) | 2008-09-03 |
Family
ID=35927162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510084523XA Expired - Fee Related CN100416137C (en) | 2004-07-20 | 2005-07-20 | Transmission lubricating system when in driven state and usage method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100416137C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8997937B2 (en) * | 2012-07-25 | 2015-04-07 | Bell Helicopter Textron Inc. | Direct drive rotation device for passively moving fluid |
| US8905193B2 (en) | 2012-07-25 | 2014-12-09 | Bell Helicopter Textron Inc. | Direct drive rotation device for passively moving fluid |
| US9863522B2 (en) * | 2015-07-14 | 2018-01-09 | GM Global Technology Operations LLC | Torque converter clutch release fluid lubrication |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677871A (en) * | 1984-07-06 | 1987-07-07 | Toyota Jidosha Kabushiki Kaisha | Lubrication mechanism in final drive and differential unit |
| US4721184A (en) * | 1987-01-28 | 1988-01-26 | Ingersoll-Rand Company | Oil control system |
| GB2208689A (en) * | 1987-07-01 | 1989-04-12 | Gkn Axles | Axle unit for motor vehicle |
| US5535850A (en) * | 1994-02-24 | 1996-07-16 | Raba Magyar Vagon-Es Gepgyar Rt. | Driven axle assembly for vehicles with a lubricant circulation system |
| US5667036A (en) * | 1996-05-21 | 1997-09-16 | New Venture Gear, Inc. | Lubrication system for transmissions |
| US5699877A (en) * | 1995-10-13 | 1997-12-23 | Zf Friedrichshafen Ag | Oil-slinger device provided with a projection engaging a mating receiver formed in a transmission housing |
| US6065369A (en) * | 1998-02-18 | 2000-05-23 | Aichi Kikai Kogyo Kabushiki Kaisha | Air breather structure in transmission |
| US6227333B1 (en) * | 1999-06-24 | 2001-05-08 | Zf Meritor, Llc | Transmission housing with integral pump assembly |
-
2005
- 2005-07-20 CN CNB200510084523XA patent/CN100416137C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677871A (en) * | 1984-07-06 | 1987-07-07 | Toyota Jidosha Kabushiki Kaisha | Lubrication mechanism in final drive and differential unit |
| US4721184A (en) * | 1987-01-28 | 1988-01-26 | Ingersoll-Rand Company | Oil control system |
| GB2208689A (en) * | 1987-07-01 | 1989-04-12 | Gkn Axles | Axle unit for motor vehicle |
| US5535850A (en) * | 1994-02-24 | 1996-07-16 | Raba Magyar Vagon-Es Gepgyar Rt. | Driven axle assembly for vehicles with a lubricant circulation system |
| US5699877A (en) * | 1995-10-13 | 1997-12-23 | Zf Friedrichshafen Ag | Oil-slinger device provided with a projection engaging a mating receiver formed in a transmission housing |
| US5667036A (en) * | 1996-05-21 | 1997-09-16 | New Venture Gear, Inc. | Lubrication system for transmissions |
| US6065369A (en) * | 1998-02-18 | 2000-05-23 | Aichi Kikai Kogyo Kabushiki Kaisha | Air breather structure in transmission |
| US6227333B1 (en) * | 1999-06-24 | 2001-05-08 | Zf Meritor, Llc | Transmission housing with integral pump assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1727734A (en) | 2006-02-01 |
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Granted publication date: 20080903 Termination date: 20110720 |