CN110864089A - Centrifugal automatic transmission - Google Patents
Centrifugal automatic transmission Download PDFInfo
- Publication number
- CN110864089A CN110864089A CN201911104020.2A CN201911104020A CN110864089A CN 110864089 A CN110864089 A CN 110864089A CN 201911104020 A CN201911104020 A CN 201911104020A CN 110864089 A CN110864089 A CN 110864089A
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- Prior art keywords
- input shaft
- tooth
- centrifugal
- shaft body
- box body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/42—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
- F16H3/426—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable the teeth being arranged on a generally flat, e.g. disc-type surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D2043/145—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members the centrifugal masses being pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H2055/178—Toothed wheels combined with clutch means, e.g. gear with integrated synchronizer clutch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H2061/6601—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with arrangements for dividing torque and shifting between different ranges
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a centrifugal automatic transmission, which comprises a front box body, a rear box body, an output shaft and an input shaft, wherein the output shaft comprises an output shaft body and an end face fluted disc, the end face fluted disc is provided with a tooth ring, the input shaft comprises an input shaft body, a centrifugal disc and a flexible driving tooth, the flexible driving tooth is sleeved at the other end of the input shaft body in a sliding manner and is meshed with the tooth ring on the end face fluted disc, one end of the input shaft body outwards penetrates through the front box body and is rotatably connected with the front box body, the other end of the input shaft body is rotatably connected to the rear box body, the centrifugal disc is connected with a sliding block in a sliding manner, the centrifugal disc is provided with a fixed pulley, the sliding block is connected with a steel wire rope, the steel wire rope is wound on the fixed pulley, the steel wire rope is connected to the; through the arrangement, the gear ratio can be adjusted in a pure mechanical mode, a complex electric control part is not needed, the application range is wider, the structure is simple, and the manufacturing cost is low.
Description
Technical Field
The present invention relates to a centrifugal automatic transmission.
Background
The transmission is an important component of a mechanical transmission system, but the existing automatic transmissions (such as planetary gear transmissions, CVT transmissions and the like) have complex structures and high manufacturing cost, and the transmission ratio can be adjusted only by electric control, so that the application range is limited.
Disclosure of Invention
The object of the present invention is to overcome the above-mentioned drawbacks and to provide a centrifugal automatic transmission.
In order to achieve the purpose, the invention adopts the following specific scheme:
a centrifugal automatic transmission comprises a front box body, a rear box body, an output shaft and an input shaft, wherein the front box body covers the rear box body, and the centrifugal automatic transmission comprises:
the output shaft comprises an output shaft body and an end face fluted disc, the end face fluted disc is connected to one end of the output shaft body, the end face fluted disc is located in the rear box body, the other end of the output shaft body outwards penetrates through the rear box body and is rotatably connected with the rear box body, and a plurality of concentric tooth rings are arranged on the end face fluted disc;
the input shaft comprises an input shaft body, a centrifugal disc and a flexible driving gear, the centrifugal disc is fixedly sleeved at one end of the input shaft body, the flexible driving teeth are sleeved at the other end of the input shaft body in a sliding manner and are meshed with the tooth ring on the end face fluted disc, the centrifugal disc and the flexible driving gear are both positioned in the rear box body, one end of the input shaft body outwards penetrates through the front box body and is rotationally connected with the front box body, the other end of the input shaft body is rotationally connected on the rear box body, three slide blocks are connected on the centrifugal disc at intervals in a sliding manner, the centrifugal disc is respectively provided with a fixed pulley corresponding to the three sliding blocks, the three sliding blocks are respectively connected with a steel wire rope, the steel wire rope is wound on the fixed pulley, the other end of the steel wire rope movably penetrates through the centrifugal disc and then is connected on the end face of the flexible driving gear, the other end of the input shaft body is further sleeved with a first spring, and two ends of the first spring are respectively abutted against the flexible driving teeth and the input shaft body.
In the invention, the flexible driving tooth further comprises a driving tooth groove body, a groove cover and a plurality of tooth claws, the driving tooth groove body is sleeved on the input shaft body in a sliding mode, the groove cover is fixed on one side of the driving tooth groove body, the tooth claws are movably embedded on the driving tooth groove body in a circumferential array mode, each tooth claw is connected with a second spring with the groove cover in the radial direction, and the other end of the steel wire rope is connected to the groove cover.
In the invention, furthermore, the other end of the input shaft body is provided with clamping strips at intervals along the circumferential direction, the inner wall of the driving tooth groove body is provided with clamping grooves corresponding to the clamping strips, and the driving tooth groove body is sleeved on the input shaft body in a sliding manner through the matching of the clamping strips and the clamping grooves.
In the invention, two ends of the tooth surface of the tooth ring are both inclined surfaces.
In the invention, a friction plate is laid on the tooth surface of the tooth ring.
The invention has the beneficial effects that: through the setting, can realize the gear ratio transmission according to the difference in rotation speed between input axis body and the output axis body is automatic, efficient, and the response is fast, reaches pure mechanical type adjustment gear ratio, does not need complicated automatically controlled part, and application scope is wider, and simple structure, low in manufacturing cost.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the present invention;
FIG. 4 is a partial schematic view of another aspect of the present invention;
FIG. 5 is a schematic view of the input shaft of the present invention;
FIG. 6 is an exploded schematic view of the flexible drive tooth of the present invention;
FIG. 7 is a schematic view of the construction of the output shaft of the present invention;
FIG. 8 is an enlarged partial schematic view at I of FIG. 7;
description of reference numerals: 1-front box body; 2-a rear box body; 3-an output shaft; 31-an output shaft; 32-end face fluted disc; 33-a tooth ring; 34-friction plate; 4-an input shaft; 41-input shaft; 42-centrifugal discs; 43-flexible drive teeth; 431-driving tooth trough body; 432-trough cover; 433-claw; 434-a second spring; 44-a slide block; 45-fixed pulley; 46-a steel cord; 47-first spring.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 8, a centrifugal automatic transmission according to the present embodiment includes a front case 1, a rear case 2, an output shaft 3, and an input shaft 4, the front case 1 covers the rear case 2, wherein:
the output shaft 3 includes an output shaft body 31 and an end face toothed disc 32, the end face toothed disc 32 is connected to one end of the output shaft body 31, the end face toothed disc 32 is located in the rear box body 2, the other end of the output shaft body 31 outwardly penetrates through the rear box body 2 and is rotatably connected with the rear box body 2, a plurality of concentric toothed rings 33 are arranged on the end face toothed disc 32, specifically, in this embodiment, four concentric toothed rings 33 are arranged on the end face toothed disc 32, and the number of teeth increases gradually from the number of teeth of the innermost toothed ring 33 to the number of teeth of the outermost toothed ring 33;
the input shaft 4 comprises an input shaft body 41, a centrifugal disc 42 and flexible driving teeth 43, the centrifugal disc 42 is fixedly sleeved at one end of the input shaft body 41, the flexible driving teeth 43 are slidably sleeved at the other end of the input shaft body 41 and are meshed with the tooth ring 33 on the end face fluted disc 32, the centrifugal disc 42 and the flexible driving teeth 43 are both positioned in the rear box body 2, one end of the input shaft body 41 outwards penetrates through the front box body 1 and is rotatably connected with the front box body 1, the other end of the input shaft body 41 is rotatably connected on the rear box body 2, three T-shaped sliding blocks 44 are slidably connected on the centrifugal disc 42 at intervals, specifically, sliding grooves are radially formed on the centrifugal disc 42 at intervals, longitudinal arms of the sliding blocks 44 are slidably connected in the sliding grooves, the centrifugal disc 42 is respectively provided with fixed pulleys 45 corresponding to the three sliding blocks 44, the fixed pulleys 45 are fixed at the inner ends of the sliding grooves, and the three sliding blocks 44, the wire rope 46 is wound around the fixed pulley 45, movably passes through the centrifugal disc 42 and is connected to the end face of the flexible driving gear 43, the other end of the input shaft 41 is further sleeved with a first spring 47, two ends of the first spring 47 respectively abut against the flexible driving gear 43 and the input shaft 41, and specifically, a step is arranged on the input shaft 41, so that the first spring 47 abuts against the step. In this embodiment, preferably, the output shaft 31 and the end-face fluted disc 32 are integrally formed, so as to ensure that the rotation speeds of the output shaft 31 and the end-face fluted disc 32 are synchronized, and the input shaft 41 and the centrifugal disc 42 are integrally formed, so as to ensure that the rotation speeds of the input shaft 41 and the centrifugal disc 42 are synchronized.
The specific operation principle of this embodiment is as follows: at the beginning, an external engine drives the input shaft body 41 to rotate at a low speed, the input shaft body 41 drives the centrifugal disc 42 and the flexible driving teeth 43 to rotate at a low speed, the flexible driving teeth 43 drives the end face fluted disc 32 to rotate, the end face fluted disc 32 drives the output shaft body 31 to rotate, at the moment, the flexible driving teeth 43 are meshed with the outermost tooth ring 33 of the end face fluted disc 32, the transmission ratio of input and output is small, the rotation speed of the output shaft body 31 is low, the output torque is large, and therefore the vehicle can be driven to start, when the rotation speed of the input shaft body 41 is gradually increased, the centrifugal force applied to the slide block 44 on the centrifugal disc 42 is gradually increased, when the centrifugal force applied to the slide block 44 is larger than the elastic force of the first spring 47, the slide block 44 slides outwards along the radial direction, so that the flexible driving teeth 43 are pulled to slide towards the centrifugal disc 42 by the steel wire rope 46, that, the transmission ratio of input and output is gradually increased, so that the rotating speed of the output shaft body 31 is gradually increased, the vehicle runs at high speed, and the change of the transmission ratio from the low-speed state to the high-speed state is realized; when the rotation speed of the output shaft 31 gradually decreases from a high-speed state, the rotation speed of the end face toothed disc 32 also gradually decreases, the end face toothed disc 32 decreases the rotation speed of the flexible driving teeth 43, and further decreases the rotation speed of the input shaft 41, that is, the rotation speed of the centrifugal disc 42 also decreases, at this time, the centrifugal force applied to the slider 44 gradually decreases, and under the elastic force action of the first spring 47, the flexible driving teeth 43 gradually transition from the innermost tooth ring 33 to the outermost tooth ring 33 on the end face toothed disc 32, so that the transmission ratio of input and output gradually decreases, the low rotation speed of the output shaft 31 is matched, the output torque is large, and the change of the transmission ratio from the high-speed state to the low-speed state is realized.
In the centrifugal automatic transmission according to this embodiment, as shown in fig. 6, the flexible driving tooth 43 includes a driving tooth groove body 431, a groove cover 432, and 20 pawls 433, the driving tooth groove body 431 is slidably sleeved on the input shaft body 41, the groove cover 432 is fixed on one side of the driving tooth groove body 431, the 20 pawls 433 are movably embedded on the driving tooth groove body 431 in a circumferential array, each pawl 433 is connected with the groove cover 432 in a radial direction, the other end of the wire rope 46 is connected to the groove cover 432, one end of the first spring 47 abuts against the groove cover 432, when the input shaft body 41 rotates at a low speed, the first spring 47 pushes the groove cover 432 to drive the entire flexible driving tooth 43 to slide, the pawl 433 extends out in a radial direction due to the elastic force of the second spring 434, and when the flexible driving tooth 43 slides, collision and wear between the pawl 433 and the ring gear 33 can be reduced, the buffer function is achieved, the effective tooth number on the flexible driving teeth 43 can be changed, and the input and output transmission ratio can be changed more flexibly.
This embodiment a centrifugal automatic gearbox, the other end of output axis body 31 is equipped with the card strip along the circumference interval, the inner wall that drives tooth cell body 431 corresponds the card strip and is equipped with the draw-in groove, drive tooth cell body 431 and pass through card strip and draw-in groove cooperation slip cover and establish on input axis body 41, specifically when the assembly, draw-in groove on the drive tooth cell body 431 corresponds with the card strip on the input axis body 41, then will drive tooth cell body 431 and slide in on the input axis body 41 to can restrict to drive the relative input axis body 41 of tooth cell body 431 and be circumferential motion, can realize again that drive between drive tooth cell body 431 and the input axis body 41 and make drive tooth cell body 431 and can input axis body 41 relatively and be endwise slip.
In the centrifugal automatic transmission according to this embodiment, both ends of the tooth surface of the ring gear 33 are inclined surfaces, so that the flexible driving teeth 43 are driven by the slider 44 to cross the ring gear 33.
In the centrifugal automatic transmission according to the present embodiment, as shown in fig. 8, a friction plate 34 is applied to the tooth surface of the ring gear 33, so that shift shock and wear of the tooth surface of the ring gear 33 can be reduced.
Through the setting, can realize the gear ratio transmission according to the difference in rotation speed between 41 and the output axis body 31 of input axis body automatically, it is efficient, the response is fast, reach pure mechanical type adjustment gear ratio, do not need complicated automatically controlled part, application scope is wider, and simple structure, low in manufacturing cost.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (6)
1. A centrifugal automatic transmission characterized by comprising a front case (1), a rear case (2), an output shaft (3) and an input shaft (4), wherein the front case (1) covers the rear case (2), wherein:
the output shaft (3) comprises an output shaft body (31) and an end face fluted disc (32), the end face fluted disc (32) is connected to one end of the output shaft body (31), the end face fluted disc (32) is located in the rear box body (2), the other end of the output shaft body (31) penetrates through the rear box body (2) outwards and is rotatably connected with the rear box body (2), and a plurality of concentric tooth rings (33) are arranged on the end face fluted disc (32);
the input shaft (4) comprises an input shaft body (41), a centrifugal disc (42) and flexible driving teeth (43), the centrifugal disc (42) is fixedly sleeved at one end of the input shaft body (41), the flexible driving teeth (43) are sleeved at the other end of the input shaft body (41) in a sliding mode and are meshed with a tooth ring (33) on an end face fluted disc (32), the centrifugal disc (42) and the flexible driving teeth (43) are located in a rear box body (2), one end of the input shaft body (41) penetrates through a front box body (1) outwards and is connected with the front box body (1) in a rotating mode, the other end of the input shaft body (41) is connected to the rear box body (2) in a rotating mode, the centrifugal disc (42) is connected with three sliding blocks (44) in a sliding mode at intervals, the centrifugal disc (42) is provided with fixed pulleys (45) corresponding to the three sliding blocks (44), and the three sliding blocks (44) are connected with steel wire ropes, the flexible driving device is characterized in that the steel wire rope (46) is wound on the fixed pulley (45), the other end of the steel wire rope (46) movably penetrates through the centrifugal disc (42) and then is connected to the end face of the flexible driving tooth (43), the other end of the input shaft body (41) is further sleeved with a first spring (47), and two ends of the first spring (47) are respectively abutted against the flexible driving tooth (43) and the input shaft body (41).
2. The centrifugal automatic transmission according to claim 1, wherein the flexible driving tooth (43) comprises a driving tooth groove body (431), a groove cover (432) and a plurality of tooth claws (433), the driving tooth groove body (431) is slidably sleeved on the input shaft body (41), the groove cover (432) is fixed on one side of the driving tooth groove body (431), the tooth claws (433) are movably embedded on the driving tooth groove body (431) in a circumferential array manner, each tooth claw (433) is connected with the groove cover (432) through a second spring (434) in the radial direction, and the other end of the steel wire rope (46) is connected to the groove cover (432).
3. The centrifugal automatic transmission according to claim 2, wherein the other end of the input shaft body (41) is provided with a clamping strip at intervals along the circumferential direction, the inner wall of the driving tooth groove body (431) is provided with a clamping groove corresponding to the clamping strip, and the driving tooth groove body (431) is slidably sleeved on the input shaft body (41) through the matching of the clamping strip and the clamping groove.
4. A centrifugal automatic transmission according to claim 1, wherein both ends of a tooth face of said ring gear (33) are inclined.
5. A centrifugal automatic transmission according to claim 4, characterized in that a friction plate (34) is applied to the tooth flanks of the ring gear (33).
6. A centrifugal automatic transmission according to claim 5, characterized in that a friction plate (34) is applied to the tooth flanks of the ring gear (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104020.2A CN110864089A (en) | 2019-11-13 | 2019-11-13 | Centrifugal automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104020.2A CN110864089A (en) | 2019-11-13 | 2019-11-13 | Centrifugal automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110864089A true CN110864089A (en) | 2020-03-06 |
Family
ID=69654334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911104020.2A Withdrawn CN110864089A (en) | 2019-11-13 | 2019-11-13 | Centrifugal automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110864089A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB480421A (en) * | 1937-07-12 | 1938-02-22 | Edward Santon | Improvements in variable speed transmission gear |
| CN2159473Y (en) * | 1993-03-28 | 1994-03-23 | 袁永明 | Automatic mechanism stageless gearbox |
| CN1752479A (en) * | 2004-09-21 | 2006-03-29 | 王国斌 | Slide palte deformed tooth stepless engagement adjustable gear |
| FR2927971A1 (en) * | 2008-02-25 | 2009-08-28 | Henri Arrighi | Mechanical variable ratio transmitting device for vehicle, has right and left circular flanges rotated for displacing lift in direction by gear pattern, where lift is displaced in inverse direction by action of jacks |
| CN102235301A (en) * | 2010-05-06 | 2011-11-09 | 丁明成 | Mechanical constant speed wind turbine |
| CN103342146A (en) * | 2013-07-22 | 2013-10-09 | 黄东子 | Intelligent speed change mechanism for manpower transportation vehicle |
-
2019
- 2019-11-13 CN CN201911104020.2A patent/CN110864089A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB480421A (en) * | 1937-07-12 | 1938-02-22 | Edward Santon | Improvements in variable speed transmission gear |
| CN2159473Y (en) * | 1993-03-28 | 1994-03-23 | 袁永明 | Automatic mechanism stageless gearbox |
| CN1752479A (en) * | 2004-09-21 | 2006-03-29 | 王国斌 | Slide palte deformed tooth stepless engagement adjustable gear |
| FR2927971A1 (en) * | 2008-02-25 | 2009-08-28 | Henri Arrighi | Mechanical variable ratio transmitting device for vehicle, has right and left circular flanges rotated for displacing lift in direction by gear pattern, where lift is displaced in inverse direction by action of jacks |
| CN102235301A (en) * | 2010-05-06 | 2011-11-09 | 丁明成 | Mechanical constant speed wind turbine |
| CN103342146A (en) * | 2013-07-22 | 2013-10-09 | 黄东子 | Intelligent speed change mechanism for manpower transportation vehicle |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200306 |
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