Planetary gear train for an automatic transmission of a vehicle
A technology of automatic transmission and planetary gear train, applied in the direction of vehicle transmission, vehicle parts, gear transmission, etc., can solve the problem of poor linearity of gear shift ratio of eight-speed automatic transmission, improve torque transmission efficiency and Durability, improved step ratio linearity, effect of improved power transmission efficiency and fuel efficiency
Active Publication Date: 2022-05-06
HYUNDAI MOTOR CO LTD +1
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0011] In addition, we also found that the eight-speed automatic transmission becomes less linear in the step ratio linearity of the shifting gears even though the ratio span can be raised above 9 levels
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0044] The following description is merely exemplary in nature and is not intended to limit the invention, application or use. It should be understood that throughout the drawings, corresponding reference numerals indicate similar or corresponding parts and features.
[0045] In the following description, since the component names are identical to each other, the component names are distinguished into first, second, etc. to distinguish the names, and the order of the components is not specifically limited. Furthermore, as used herein, a description of elements "fixedly" connected or interconnected includes elements that are always connected directly or indirectly such that the fixedly connected elements always rotate at the same speed.
[0046] figure 1 is a schematic illustration of a planetary gear train in a first form of the invention.
[0047] see figure 1, the planetary gear train in the first form of the present invention includes: a first planetary gear set PG1, a s...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The present invention provides a planetary gear train for an automatic transmission of a vehicle, which includes: an input shaft, an output shaft, first to fifth planetary gear sets, and first to ninth shafts; first to fifth planetary gear sets The gear sets respectively have first to third rotation elements, fourth to sixth rotation elements, seventh to ninth rotation elements, tenth to twelfth rotation elements, thirteenth to fifteenth rotation elements; The shaft is connected with the second rotation element and the input shaft; the second shaft is connected with the fourteenth rotation element and the output shaft; the third shaft is connected with the sixth rotation element and the thirteenth rotation element; the fourth shaft is connected with the tenth rotation element and The fifteenth rotation element is connected; the fifth axis is connected with the third, fourth, and seventh rotation elements; the sixth axis is connected with the eighth rotation element; the seventh axis is connected with the fifth and ninth rotation elements It is connected with the eleventh rotation element; the eighth shaft is connected with the first rotation element; and the ninth shaft is connected with the twelfth rotation element.
Description
[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2017-0058307 filed May 10, 2017, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to an automatic transmission for a vehicle. Background technique [0004] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0005] In the field of automatic transmissions, more gear shift diversity is a useful technique for improving fuel consumption and enhancing vehicle drivability. [0006] Under the trend of so-called engine miniaturization, achieving more gear shifts helps to improve the performance and efficiency of the vehicle, and by improving the consistency of the vehicle's acceleration before and after the shift, the shift gears are better. The grade ratio linearity improves the drivab...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/66F16H57/10
CPCF16H3/66F16H57/10F16H2200/0069F16H2200/0091F16H2200/2015F16H2200/2046
Inventor 金珍镐黄铜焕朴钟述金钟洙李炅勋
Owner HYUNDAI MOTOR CO LTD