| FR2582264A1 | 1986-11-28 | |||
| JPH09100883A | 1997-04-15 | |||
| CN206429621U | 2017-08-22 |
| CLAIMS 1- A gear shift system(l), comprising: — at least one drive shaft(2) connected to power source, — at least one drive shaft gear(3) fixed to drive shaft(2), — at least one transmission shaft input gear(4) that turns with turning of drive shaft gear(3), — at least one transmission shaft(9) that transmits transmission shaft input gear(4) movement to transmission shaft output gear(10), — at least one output shaft gear(ll), that turns with transmission shaft output gear(10), — at least one output shaft(12) situated on the same axis with drive shaft(2) and fixed to output shaft gear(ll), — at least one bevel gear(5), situated between drive shaft(2) and output shaft(12), — at least one pinion(8) that turns with turning of bevel gear(5), — at least one pinion shaft(6) fixed to pinion(8), and — at least one brake(7) connected to pinion shaft(6). 2 A gear shift system(l) according to claim 1 wherein the drive shaft gear(3), fixed to drive shaft(2), transmits the rotary motion received from drive shaft(2) to transmission shaft input gear(4). 3- A gear shift system(l) according to claim 1 wherein the transmission shaft(9), fixed to transmission shaft input gear(4) and transmission shaft output gear(10), is placed into cavity of bevel gear(5) as parallel to the drive shaft(2). 4 A gear shift system(l) according to claim 1 wherein the transmission shaft output gear(10), fixed to transmission shaft(9), transmits the rotary motion received from transmission shaft(9) to output shaft gear(ll). 5 A gear shift system(l) according to claim 1 wherein the drive shaft(2) and the output shaft(12) are located at midpoint cavity of bevel gear(5) on the same axis. 6- A gear shift system(l) according to claim 1 wherein the bevel gear(5), having cavity at midpoint, is located between drive shaft(2) and output shaft(12). 7 A gear shift system(l) according to claim 1 wherein the pinion(8) fixed to pinion shaft(6) turns with turning of bevel gear(5). 8 A gear shift system according to claim 1 wherein the pinion shaft(6) transmits pinion(8) movement to the brake(7). 9 A gear shift system(l) according to claim 1 wherein the brake(7) can stop the pinion shaft(6) movement. 10 A gear shift system(l) according to claim 1 wherein the drive shaft gear(3), having more gear ratio than transmission shaft input gear(4) , transmits rotary motion received from drive shaft(2) to output shaft(12), it provides an increase in speed and a decrease in torque. 11 A gear shift system according to claim 1 wherein the transmission shaft output gear(10), having more gear ratio than output shaft gear(ll) , transmits rotary motion received from drive shaft(2) to output shaft(12), it provides an increase in speed and a decrease in torque. |
| AMENDED CLAIMS received by the International Bureau on 24 June 2020 (24.06.2020) 1- A gear shift system(l) has a structure that can act such as a differential when needed, comprising: — at least one drive shaft(2) connected to power source, — at least one drive shaft gear(3) fixed to drive shaft(2), — at least one transmission shaft input gear(4) that turns with turning of drive shaft gear(3), — at least one transmission shaft(9) that transmits transmission shaft input gear(4) movement to transmission shaft output gear(10), — at least one output shaft gear(ll), that turns with transmission shaft output gear(10), — at least one output shaft(12) situated on the same axis with drive shaft(2) and fixed to output shaft gear(ll), — at least one bevel gear(5), situated between drive shaft(2) and output shaft(12), — at least one pinion(8) that turns with turning of bevel gear(5), — at least one pinion shaft(6) fixed to pinion(8), and — at least one brake(7) connected to pinion shaft(6). 2 A gear shift system(l) according to claim 1 wherein the drive shaft gear(3), fixed to drive shaft(2), transmits the rotary motion received from drive shaft(2) to transmission shaft input gear(4). 3- A gear shift system(l) according to claim 1 wherein the transmission shaft(9), fixed to transmission shaft input gear(4) and transmission shaft output gear(10), is placed into cavity of bevel gear(5) as parallel to the drive shaft(2). 4 A gear shift system(l) according to claim 1 wherein the transmission shaft output gear(10), fixed to transmission shaft(9), transmits the rotary motion received from transmission shaft(9) to output shaft gear(ll). 5 A gear shift system(l) according to claim 1 wherein the drive shaft(2) and the output shaft(12) are located at midpoint cavity of bevel gear(5) on the same axis. 6- A gear shift system(l) according to claim 1 wherein the bevel gear(5), having cavity at midpoint, is located between drive shaft(2) and output shaft(12). 7 A gear shift system(l) according to claim 1 wherein the pinion(8) fixed to pinion shaft(6) turns with turning of bevel gear(5). 8 A gear shift system according to claim 1 wherein the pinion shaft(6) transmits pinion(8) movement to the brake(7). 9 A gear shift system(l) according to claim 1 wherein the brake(7) can stop the pinion shaft(6) movement. 10 A gear shift system(l) according to claim 1 wherein the drive shaft gear(3), having more gear ratio than transmission shaft input gear(4) , transmits rotary motion received from drive shaft(2) to output shaft(12), it provides an increase in speed and a decrease in torque. 11 A gear shift system according to claim 1 wherein the transmission shaft output gear(10), having more gear ratio than output shaft gear(ll) , transmits rotary motion received from drive shaft(2) to output shaft(12), it provides an increase in speed and a decrease in torque. |
BACKGROUND OF THE INVENTION
TECHNICAL FIELD
The present invention relates to a gear shift system, connected to any power source (electric motors, automobile engines, marine engines etc.) that can be used in any vehicle or system. BACKGROUND ART
In motor vehicles, the rotary motion of the drive shaft is possible to use efficiently with transmissions. The technology of the transmissions used in motor vehicles is important for increasing the efficiency and performance values. Among the current transmission technologies, automatic transmissions are the most noticeable. Compared to manual transmissions, automatic transmissions are increasingly favored by drivers for their ride comfort and fuel efficiency. However, this convenience and efficiency can only be achieved through the use of high technology, complex engineering and precision systems. Planetary gear system is one of these systems. Although often used in automatic transmissions but different speed ranges can be achieved only with a range of clutch sets and complex support systems.
The technology used in dual-clutch transmissions is very precise, expensive and complex too. This, increases the design and production costs of the manufacturers and buying, maintenance and repair costs of the consumers.
PURPOSE OF THE INVENTION The main purpose of the present invention is; reduction of maintenance and repair costs as well as design and production costs by using a simple brake and gear system instead of clutches and precision mechatronic systems used in gear shifting.
Another purpose of the invention is to shorten the shift times by using the brake hold-release technique during shifting in transmission, thereby increasing ride comfort and fuel efficiency.
A further purpose of the invention is to provide a higher speed stage by allowing the use of a new gear assembly technique in the transmissions, and thus ensuring that the engine remains relatively longer at speeds where it is more efficient and improves its performance.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig.l is a schematic representation of the transmission system from the side.
Fig.2 is a schematic representation of the transmission system from the rear.
DESCRIPTION OF THE REFERENCE SIGNS OF THE DRAWINGS 1: Gear shift system
2: Drive shaft 3: Drive shaft gear
4: Transmission shaft input gear 5: Bevel gear 6: Pinion shaft 7: Brake 8: Pinion
9: Transmission shaft 10: Transmission shaft output gear 11: Output shaft gear 12: Output shaft
DISCLOSURE OF INVENTION
The invention is a gear shift system(l) that contains drive shaft (2), drive shaft gear (3), transmision shaft input gear (4), bevel gear (5), pinion shaft (6), brake (7), pinion (8), transmission shaft (9), transmission shaft output gear (10), output shaft gear (11) and output shaft (12).
The invention comprises a drive shaft (2) and a drive shaft gear (3). The drive shaft gear (3) is fixed to the drive shaft (2) and transmits the rotary motion received from the drive shaft (2) to the transmission shaft input gear (4).
The invention comprises at least one transmission shaft input gear (4), at least one transmission shaft output gear (10) and at least one transmission shaft (9) interconnecting these gears. The transmission shaft input gear (4) and the transmission shaft output gear (10) are fixed to the transmission shaft (9) and the transmission shaft (9) is located in the shaft cavity in the bevel gear (5).
The transmission shaft (9) transmits the rotary motion received from the transmission shaft input gear (4) to the transmission shaft output gear (10). The invention comprises the output shaft gear (11) and the output shaft (12). The output shaft gear (11) transmits the torque received from the transmission shaft output gear (10) to the output shaft (12).
The invention comprises a drive shaft (2), an output shaft (12) and a bevel gear (5). The drive shaft (2) and the output shaft (12) are arranged on the same axis, which is located in midpoint cavity of the bevel gear (5).
The invention comprises a bevel gear (5), at least one pinion (8), at least one pinion shaft (6) and at least one brake (7). The pinion (8) transmits the rotational movement received from the bevel gear (5) to the pinion shaft (6).
In the invention, when the rotational motion received from the drive shaft (2) is transmitted to the output shaft (12), drive shaft gear (3) always has a larger gear ratio than the transmission shaft input gear (4) or the transmission shaft output gear(10) always has a larger gear ratio than the output shaft gear(ll). Thereby the speed is increased and the torque is discreased.
In the present invention, the transmission of the torque received from the drive shaft (2) to the output shaft (12) takes place in two different ways by braking or releasing.
When the brake is released, the bevel gear (5) can rotate freely and there are two ways to transmit the rotational movement of the drive shaft (2) to the output shaft (12). In this case, a similar situation occurs in the transmission as in differential gears. The rotational movement follows the path on which the friction or load is less. The transmission shaft output gear (10) grips the output shaft gear (11) like a sleeve gear. The bevel gear (5) rotates arround the axis on which the output shaft (12) is arranged and rotates the output shaft (12). In this case, the rotational movement does not change the speed or the torque. Thus, the output shaft (12) is rotated at the same speed and torque, as the drive shaft (2).
When braking, the rotation of the bevel gear (5) is prevented. The rotary motion of the drive shaft (2) is transmitted to the transmission shaft by the transmission shaft input gear(4). The transmission shaft rotates on its axis, which is the single transmission path to the transmission shaft output gear (10) and then to the output shaft gear (11). Depending on the selected gear ratios, the speed of the transmitted motion increases and the torque decreases. This leads to a second speed level. The menstruation of speed stages can be increased by connecting several gear shift systems (1) in series.