CN109899505B - Shaft lubricating structure of manual gearbox of six-speed forward-gear automobile - Google Patents
Shaft lubricating structure of manual gearbox of six-speed forward-gear automobile Download PDFInfo
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- CN109899505B CN109899505B CN201910331490.6A CN201910331490A CN109899505B CN 109899505 B CN109899505 B CN 109899505B CN 201910331490 A CN201910331490 A CN 201910331490A CN 109899505 B CN109899505 B CN 109899505B
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Abstract
The invention discloses a shaft lubricating structure of a manual gearbox of a six-speed forward-gear automobile, wherein a hollow oil hole is formed in the lubricating shaft, and the inner diameters of a first oil outlet, a second oil outlet, a third oil outlet, a fourth oil outlet, a fifth oil outlet and a sixth oil outlet are different; the guide pipe is fixedly connected with the oil collecting disc body, the hollow oil holes are of two-end type full hollow structures formed by a first hollow oil hole and a second hollow oil hole, the inner diameter of the first hollow oil hole is larger than that of the second hollow oil hole, and an oil blocking part for preventing lubricating oil from flowing back is formed at the joint of the first hollow oil hole and the second hollow oil hole. The purpose of maximally preventing the lubricating oil led into the hollow oil hole of the oil collecting disc from flowing back under the action of centrifugal force, ensuring the maximum amount of lubricating oil to participate in lubrication and meeting the lubrication requirements of six gear gears and peripheral parts is achieved.
Description
Technical Field
The invention relates to the technical field of gearboxes, in particular to a shaft lubrication structure of a manual gearbox of a six-speed forward-gear automobile.
Background
At present, an automobile gearbox is used as an important component in an automobile transmission system, and various rotating parts such as internal gears, bearings and the like have higher lubricating requirements. The lubrication of rotating parts or parts such as a needle bearing, an idler gear and the like on the shaft is mainly realized by the cooperation of a hollow oil hole on the shaft and an oil collecting disc, the hollow oil hole of the existing shaft is generally a hole with the same diameter, the radial oil holes communicated with the hollow oil hole are generally uniformly distributed with the same diameter, and meanwhile, the pipe part of the oil collecting disc is generally shorter. The lubricating oil flows into the oil collecting disc through the box body, flows into the hollow oil hole of the shaft, and flows out to each rotating part on the lubricating shaft through the radial oil hole.
However, when the transmission works, the internal shaft rotates continuously at a high speed, the lubricating oil led into the hollow oil hole of the shaft through the oil collecting disc has a backflow phenomenon under the action of centrifugal force, and only a small part of lubricating oil flows out through the radial oil hole to participate in actual lubrication, so that the actual utilization rate is low, a large amount of waste exists, and the lubricating requirements of the gear parts of individual gears (generally less than or equal to 3 gears) and peripheral rotating parts can be met.
Disclosure of Invention
The invention aims to provide a shaft lubricating structure of a manual gearbox of a six-speed forward-gear automobile, and aims to solve the technical problems that in the prior art, the lubricating oil introduced into a hollow oil hole of a shaft of an oil collecting disc has a backflow phenomenon under the action of centrifugal force, the actual utilization rate of the lubricating oil is low, a large amount of waste exists, and the lubricating requirements of gear parts and peripheral rotating parts of individual gears (generally less than or equal to 3 gears) can be met.
In order to achieve the above purpose, the shaft lubrication structure of the manual gearbox of the six-speed forward-gear automobile comprises a lubrication shaft and an oil collecting disc, wherein a hollow oil hole is formed in the lubrication shaft, a first oil outlet, a second oil outlet, a third oil outlet, a fourth oil outlet, a fifth oil outlet and a sixth oil outlet are formed in the side wall of the lubrication shaft, the first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are respectively communicated with the hollow oil hole, and the inner diameters of the first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are different;
the oil collecting disc comprises a guide pipe and an oil collecting disc body, the guide pipe is fixedly connected with the oil collecting disc body and sleeved in the hollow oil hole, one end of the guide pipe, which is far away from the oil collecting disc, is located between the axial extension lines of the fourth oil outlet and the fifth oil outlet, the hollow oil hole is of a two-end type full hollow structure formed by a first hollow oil hole and a second hollow oil hole, the inner diameter of the first hollow oil hole is larger than that of the second hollow oil hole, and an oil blocking part for preventing lubricating oil from flowing back is formed at the joint of the first hollow oil hole and the second hollow oil hole.
The guide pipe is in clearance fit with the first hollow oil hole and the second hollow oil hole respectively, and the clearance between the guide pipe and the first hollow oil hole is larger than the clearance between the guide pipe and the second hollow oil hole.
Wherein, keep off oily portion is the step structure setting.
The first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are sequentially distributed from left to right along the radial center line of the first hollow oil hole, and the inner diameters of the first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are sequentially reduced.
The number of the first oil outlet holes is two, and the two first oil outlet holes are oppositely arranged along the radial center line of the first hollow oil hole.
The number of the second oil outlet holes is two, and the two second oil outlet holes are oppositely arranged along the radial center line of the first hollow oil hole.
The number of the fifth oil holes is two, and the two fifth oil holes are oppositely arranged along the radial center line of the first hollow oil hole.
Wherein, the oil collecting disc body and the guide pipe are arranged in an integrated structure.
The oil collecting disc further comprises a baffle ring, the cross section of the baffle ring is of a truncated cone-shaped structure, the baffle ring is fixedly connected with the guide pipe and located on the outer surface wall of the guide pipe, and the baffle ring and the guide pipe are integrally formed.
The number of the baffle rings is multiple, and the baffle rings are uniformly distributed on the outer surface wall of the guide pipe.
According to the shaft lubricating structure of the manual gearbox of the six-speed forward-gear automobile, the hollow oil hole is formed in the lubricating shaft, the first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are formed in the side wall of the lubricating shaft, the first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are respectively communicated with the hollow oil hole, and the inner diameters of the first oil outlet, the second oil outlet, the third oil outlet, the fourth oil outlet, the fifth oil outlet and the sixth oil outlet are different; the guide pipe is fixedly connected with the oil collecting disc body, the guide pipe is sleeved in the hollow oil hole, one end, away from the oil collecting disc, of the guide pipe is located between the axial extension lines of the fourth oil outlet and the fifth oil outlet, the hollow oil hole is of a two-end type full hollow structure formed by a first hollow oil hole and a second hollow oil hole, the inner diameter of the first hollow oil hole is larger than that of the second hollow oil hole, and an oil blocking part for preventing lubricating oil from flowing back is formed at the joint of the first hollow oil hole and the second hollow oil hole. The inner diameter of the first hollow oil hole is larger than that of the second hollow oil hole, an oil blocking part for preventing lubricating oil from flowing back is formed at the joint of the first hollow oil hole and the second hollow oil hole, and the effects of preventing the lubricating oil led into the hollow oil hole from flowing back under the action of centrifugal force to the greatest extent and guaranteeing the maximum lubricating oil to participate in lubrication and meeting the lubricating needs of six gear gears and peripheral parts are achieved through the non-uniform arrangement and the non-uniform arrangement of the third oil hole, the fourth oil hole, the fifth oil hole and the sixth oil hole.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the internal structure of a shaft lubrication structure of a manual transmission of a six-speed forward-drive automobile of the present invention;
FIG. 2 is a schematic overall structure of a shaft lubrication structure of a manual transmission of a six-speed forward-drive automobile of the present invention;
FIG. 3 is a partial structural cross-sectional view of the shaft lubrication structure of the manual transmission of the six-speed forward-drive automobile of the present invention;
fig. 4 is a cross-sectional view of a shaft lubrication structure of a manual transmission for a six-speed forward-drive automobile of the present invention.
The shaft lubrication structure of the manual gearbox of the 100-six-speed forward-gear automobile comprises a 10-lubrication shaft, a 20-oil collecting disc, an 11-hollow oil hole, a 111-first hollow oil hole, a 112-second hollow oil hole, a 113-oil baffle part, a 12-first oil outlet, a 13-second oil outlet, a 14-third oil outlet, a 15-fourth oil outlet, a 16-fifth oil outlet, a 17-sixth oil outlet, a 21-conduit, a 22-oil collecting disc body and a 23-baffle ring.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 4, the shaft lubrication structure 100 of the manual gearbox of a six-speed forward-gear automobile of the present invention includes a lubrication shaft 10 and an oil collecting disc 20, wherein a hollow oil hole 11 is formed in the lubrication shaft 10, a first oil outlet 12, a second oil outlet 13, a third oil outlet 14, a fourth oil outlet 15, a fifth oil outlet 16 and a sixth oil outlet 17 are formed on a side wall of the lubrication shaft 10, the first oil outlet 12, the second oil outlet 13, the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 are respectively communicated with the hollow oil hole 11, and inner diameters of the first oil outlet 12, the second oil outlet 13, the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 are different;
the oil collecting disc 20 comprises a guide pipe 21 and an oil collecting disc body 22, the guide pipe 21 is fixedly connected with the oil collecting disc body 22 and sleeved in the hollow oil hole 11, one end, away from the oil collecting disc 20, of the guide pipe 21 is located between axial extension lines of the fourth oil outlet hole 15 and the fifth oil outlet hole 16, the hollow oil hole 11 is of a two-end type full hollow structure formed by a first hollow oil hole 111 and a second hollow oil hole 112, the inner diameter of the first hollow oil hole 111 is larger than the inner diameter of the second hollow oil hole 112, and an oil blocking part 113 for preventing lubricating oil from flowing back is formed at the joint of the first hollow oil hole 111 and the second hollow oil hole 112.
In this embodiment, the first oil hole 111 has an inner diameter larger than that of the second oil hole 112, the first oil hole 12, the second oil hole 13, the third oil hole 14, the fourth oil hole 15, the fifth oil hole 16 and the sixth oil hole 17 are respectively communicated with the first oil hole 111, and the first oil hole 12, the second oil hole 13, the third oil hole 14, the fourth oil hole 15, the fifth oil hole 16 and the sixth oil hole 17 are unevenly distributed on the first oil hole 111, and the first oil hole 12, the second oil hole 13, the third oil hole 14, the fourth oil hole 15, the fifth oil hole 16 and the sixth oil hole 17 have different inner diameters, one end of the guide tube 21 is fixedly connected with the oil collecting disc body 22, one end of the guide tube 21, which is far away from the oil collecting disc 20, is located between axial extension lines of the fourth oil outlet 15 and the fifth oil outlet 16, the guide tube 21 is sleeved in the first hollow oil hole 111 and the second hollow oil hole 112, when the transmission is in normal operation in a certain gear, the lubricating shaft 10 rotates at a high speed, external lubricating oil enters the middle section of the first hollow oil hole 111 through the oil collecting disc body 22 and the guide tube 21, namely, after the axial extension lines of the fourth oil outlet 15 and the fifth oil outlet 16 are located, under the action of centrifugal force, the lubricating oil is split at the front end and the rear end of the first hollow oil hole 111, at this time, the arrangement of the oil blocking part 113 can maximally prevent the lubricating oil led in by the oil collecting disc body 22 and the guide tube 21 from generating a backflow phenomenon, and flowing back to the external environment, so that the maximum amount of lubricating oil is ensured to participate in lubrication, the utilization rate is improved, waste is avoided, the reasonable design of the outlet position of the guide pipe 21 can ensure that the introduced lubricating oil is distributed to two ends, so that the whole section of lubricating oil of the first hollow oil hole 111 and the second hollow oil hole 112 is sufficient, meanwhile, the lubricating oil in the hollow oil hole 11 is attached to the inner hole wall and passes through the first oil outlet 12, the second oil outlet 13, the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 which are unevenly distributed are different in size under the action of centrifugal force in the high-speed rotation motion process of the lubricating shaft 10, and the first oil outlet 12, the second oil outlet 13, the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 which are unevenly distributed are unevenly matched with the guide pipe 21 can meet the requirement of the lubricating positions of the common gear of the six gear positions on the lubricating shaft 10 and the peripheral parts or the peripheral parts.
Further, the guide pipe 21 is in clearance fit with the first hollow oil hole 111 and the second hollow oil hole 112, respectively, and a clearance between the guide pipe 21 and the first hollow oil hole 111 is larger than a clearance between the guide pipe 21 and the second hollow oil hole 112.
In this embodiment, the gap between the first hollow oil holes 111 is set to be larger than the gap between the second hollow oil holes 112, so that the lubricating oil split in the second hollow oil holes 112 can be effectively prevented from flowing back under the action of centrifugal force, and the lubricating oil can be cooperatively reacted with the oil blocking portion 113, so that the amount of lubricating oil flowing back can be reduced.
Further, the oil blocking portion 113 is provided in a stepped structure.
In the present embodiment, the oil blocking portion 113 has a stepped structure, which can prevent the lubricating oil introduced into the hollow oil hole 11 through the oil collecting pan body 22 and the guide pipe 21 from flowing backward to the maximum extent, and ensure the maximum amount of lubricating oil to participate in lubrication.
Further, the first oil outlet 12, the second oil outlet 13, the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 are sequentially arranged from left to right along a radial center line of the first hollow oil hole 111, and the inner diameters of the first oil outlet 12, the second oil outlet 13, the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 are sequentially reduced.
In this embodiment, the outlet end of the lubricating oil of the guide tube 21 is disposed between the axial extension lines of the fourth oil outlet 15 and the fifth oil outlet 16, the lubricating oil is split between the axial extension lines of the fourth oil outlet 15 and the axial extension lines of the fifth oil outlet 16, and the inner diameters of the fourth oil outlet 15, the third oil outlet 14, the second oil outlet 13 and the first oil outlet 12 are continuously increased, so that the lubricating oil meets the lubrication requirements of the first four gear positions and peripheral parts or positions under the action of centrifugal force, and simultaneously, in order to reduce the reflux amount of the lubricating oil, the inner diameters of the fifth oil outlet 16 and the sixth oil outlet 17 are sequentially reduced when the lubricating oil flows to the fifth oil outlet 16 and the sixth oil outlet 17, so that the oil output of the fifth oil outlet 16 is more than that of the sixth oil outlet 17, and further, the lubricating oil meets the lubrication requirements of the last two gear positions and the peripheral parts or positions under the action of centrifugal force.
Further, the number of the first oil holes 12 is two, and the two first oil holes 12 are disposed opposite to each other along the radial center line of the first hollow oil hole 111. The number of the second oil outlet holes 13 is two, and the two second oil outlet holes 13 are oppositely arranged along the radial center line of the first hollow oil hole 111.
In this embodiment, the distances between the first oil outlet 12 and the second oil outlet 13 and the end of the guide tube 21 from which the lubricating oil flows out are relatively longer than the distances between the third oil outlet 14, the fourth oil outlet 15, the fifth oil outlet 16 and the sixth oil outlet 17 and the end of the guide tube 21 from which the lubricating oil flows out, and the amounts of lubricating oil overflowed from the first oil outlet 12 and the second oil outlet 13 are relatively smaller, so that the two first oil outlets 12 and the two second oil outlets 13 can ensure the lubrication requirements of the gear positions and the peripheral parts or positions corresponding to the lubricating oil.
Further, the number of the fifth oil holes 16 is two, and the two fifth oil holes 16 are disposed opposite to each other along the radial center line of the first hollow oil hole 111.
In this embodiment, since the lubrication shaft 10 rotates at a high speed, the lubrication oil introduced by the oil collecting disc body 22 and the guide tube 21 may flow back in the hollow oil hole 11, and the arrangement of the two fifth oil outlet holes 16 may reduce the amount of backflow of the lubrication oil, and the irregular arrangement of the first oil outlet hole 12, the second oil outlet hole 13, the third oil outlet hole 14, the fourth oil outlet hole 15, the fifth oil outlet hole 16 and the sixth oil outlet hole 17 may ensure lubrication requirements of gear positions and peripheral parts or positions corresponding to the lubrication oil.
Further, the oil collecting tray body 22 and the guide pipe 21 are integrally formed.
In the present embodiment, the integrally formed arrangement of the oil collecting tray body 22 and the guide pipe 21 can increase the strength of the connection structure between the guide pipe 21 and the oil collecting tray body 22.
Further, the oil collecting disc 20 further includes a baffle ring 23, the cross section of the baffle ring 23 is in a truncated cone structure, the baffle ring 23 is fixedly connected with the guide tube 21 and located on the outer surface wall of the guide tube 21, and the baffle ring 23 and the guide tube 21 are integrally formed.
In the present embodiment, the cross section of the baffle ring 23 is provided in a truncated cone-shaped structure, and the combined action of the baffle ring 23 and the oil blocking portion 113 can reduce the amount of return of the lubricating oil.
Further, the number of the baffle rings 23 is plural, and the plurality of baffle rings 23 are uniformly distributed on the outer surface wall of the guide tube 21.
In the present embodiment, the provision of the plurality of stopper rings 23 can further reduce the amount of return of the lubricating oil.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will understand that all or part of the above-described embodiments may be implemented and equivalents thereof may be modified according to the scope of the appended claims.
Claims (5)
1. The utility model provides a six fast forward manual gearbox's of shelves car axle lubricating structure which characterized in that:
the lubricating oil collecting device comprises a lubricating shaft and an oil collecting disc, wherein a hollow oil hole is formed in the lubricating shaft, a first oil outlet hole, a second oil outlet hole, a third oil outlet hole, a fourth oil outlet hole, a fifth oil outlet hole and a sixth oil outlet hole are formed in the side wall of the lubricating shaft, and the first oil outlet hole, the second oil outlet hole, the third oil outlet hole, the fourth oil outlet hole, the fifth oil outlet hole and the sixth oil outlet hole are respectively communicated with the hollow oil hole;
the oil collecting disc comprises a guide pipe and an oil collecting disc body, wherein the guide pipe is fixedly connected with the oil collecting disc body and sleeved in the hollow oil hole, one end of the guide pipe, which is far away from the oil collecting disc, is positioned between axial extension lines of the fourth oil outlet and the fifth oil outlet, the hollow oil hole is a two-end full hollow structure formed by a first hollow oil hole and a second hollow oil hole, the inner diameter of the first hollow oil hole is larger than that of the second hollow oil hole, an oil baffle part for preventing lubricating oil from flowing back is formed at the joint of the first hollow oil hole and the second hollow oil hole, the oil collecting disc further comprises a baffle ring, the cross section of the baffle ring is of a circular truncated cone structure, the baffle ring is fixedly connected with the guide pipe and positioned on the outer surface wall of the guide pipe, and the baffle ring and the guide pipe are integrally formed, and first oil outlet, second oil outlet, third oil outlet, fourth oil outlet, fifth oil outlet with sixth oil outlet is respectively followed the radial central line of first cavity oilhole is arranged in proper order from left to right, just first oil outlet the second oil outlet the third oil outlet the fourth oil outlet the fifth oil outlet with the internal diameter of sixth oil outlet reduces in proper order, the quantity of first oil outlet is two, two first oil outlet is followed the radial central line of first cavity oilhole sets up relatively, the quantity of second oil outlet is two the second oil outlet is followed the radial central line of first cavity oilhole sets up relatively, the quantity of fifth oil outlet is two the fifth oil outlet is followed the radial central line of first cavity oilhole sets up relatively.
2. The shaft lubrication structure of a manual transmission of a six-speed forward-drive automobile as claimed in claim 1, wherein:
the guide pipe is in clearance fit with the first hollow oil hole and the second hollow oil hole respectively, and the clearance between the guide pipe and the first hollow oil hole is larger than the clearance between the guide pipe and the second hollow oil hole.
3. The shaft lubrication structure of a manual transmission of a six-speed forward-drive automobile as claimed in claim 2, wherein:
the oil blocking part is arranged in a step structure.
4. The shaft lubrication structure of a manual transmission of a six-speed forward-drive automobile as claimed in claim 1, wherein:
the oil collecting disc body and the guide pipe are arranged in an integrated structure.
5. The shaft lubrication structure of a manual transmission of a six-speed forward-drive automobile as claimed in claim 1, wherein:
the number of the baffle rings is multiple, and the baffle rings are uniformly distributed on the outer surface wall of the guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331490.6A CN109899505B (en) | 2019-04-24 | 2019-04-24 | Shaft lubricating structure of manual gearbox of six-speed forward-gear automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331490.6A CN109899505B (en) | 2019-04-24 | 2019-04-24 | Shaft lubricating structure of manual gearbox of six-speed forward-gear automobile |
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| Publication Number | Publication Date |
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| CN109899505A CN109899505A (en) | 2019-06-18 |
| CN109899505B true CN109899505B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910331490.6A Active CN109899505B (en) | 2019-04-24 | 2019-04-24 | Shaft lubricating structure of manual gearbox of six-speed forward-gear automobile |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115451110B (en) * | 2022-06-30 | 2024-11-08 | 东风商用车有限公司 | Oil mass distribution method for lubricating hollow shaft based on central pressure oil pipe and active lubrication structure of gearbox |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008052772A1 (en) * | 2008-10-22 | 2010-04-29 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Transmission shaft i.e. hollow countershaft, for dual-clutch transmission of motor vehicle, has oil supplying holes formed with increasing diameters such that oil volumetric flow supplied to bearing surfaces is controllable |
| DE102014111461A1 (en) * | 2014-08-12 | 2016-02-18 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Oil catching device and gearbox with such an oil catching device |
| CN210034364U (en) * | 2019-04-24 | 2020-02-07 | 重庆青山工业有限责任公司 | Shaft lubricating structure of manual gearbox of six-speed forward gear automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9982770B2 (en) * | 2015-11-25 | 2018-05-29 | GM Global Technology Operations LLC | Manual transmission oil feeder |
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2019
- 2019-04-24 CN CN201910331490.6A patent/CN109899505B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008052772A1 (en) * | 2008-10-22 | 2010-04-29 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Transmission shaft i.e. hollow countershaft, for dual-clutch transmission of motor vehicle, has oil supplying holes formed with increasing diameters such that oil volumetric flow supplied to bearing surfaces is controllable |
| DE102014111461A1 (en) * | 2014-08-12 | 2016-02-18 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Oil catching device and gearbox with such an oil catching device |
| CN210034364U (en) * | 2019-04-24 | 2020-02-07 | 重庆青山工业有限责任公司 | Shaft lubricating structure of manual gearbox of six-speed forward gear automobile |
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