GB539062A - Improvements in and relating to variable velocity ratio gearing - Google Patents
Improvements in and relating to variable velocity ratio gearingInfo
- Publication number
- GB539062A GB539062A GB1491840A GB1491840A GB539062A GB 539062 A GB539062 A GB 539062A GB 1491840 A GB1491840 A GB 1491840A GB 1491840 A GB1491840 A GB 1491840A GB 539062 A GB539062 A GB 539062A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheels
- teeth
- wheel
- cone
- dog teeth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/36—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with a single gear meshable with any of a set of coaxial gears of different diameters
- F16H3/363—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with a single gear meshable with any of a set of coaxial gears of different diameters the teeth of the set of coaxial gears being arranged on a surface of generally conical shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
539,062. Variable-speed gearing. WYCLIFFE FOUNDRY CO., Ltd., and HEALEY, F. J. Feb. 23, 1940, No. 14918. Divided out of 529,506. [Class 80 (ii)] Relates to variable-speed gearing of the kind in which toothed wheels 24, Fig. 2, of different diameters, arranged in the form of a cone, are alternatively engaged by a displaceable toothed wheel 11 on a shaft inclined to the axis of the cone, and the wheels 24 are, as described in Specification 212,483, [Class 80 (ii)], provided with dog teeth for effecting a one-way driving connection with an adjacent wheel. In the arrangement described in the prior Specification, the dog teeth are so formed that the relative rotation between adjacent wheels, which occurs during the change of gear, causes the dog teeth to ride upon another, so as to move the wheels axially apart. According to the invention, the dog teeth are formed as shown in Fig. 13, so as to provide for an initial rotational movement bewteen adjacent wheels before the axial movement occurs. The teeth of the incoming wheel may thus come into alignment with the toothspaces of the sliding wheel, and harsh and delayed gear-changing is avoided. Flat surfaces 38 are left between the inclined faces 39 of the teeth and the abutting faces 37, so as to provide the lost motion. The apices of the teeth are preferably formed with flat surfaces. The diameter of the shaft carrying the cone-wheels is preferably increased by steps at intervals, in order to limit the movement of the wheels along the shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1491840A GB539062A (en) | 1940-02-23 | 1940-02-23 | Improvements in and relating to variable velocity ratio gearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1491840A GB539062A (en) | 1940-02-23 | 1940-02-23 | Improvements in and relating to variable velocity ratio gearing |
Publications (1)
Publication Number | Publication Date |
---|---|
GB539062A true GB539062A (en) | 1941-08-26 |
Family
ID=10049857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1491840A Expired GB539062A (en) | 1940-02-23 | 1940-02-23 | Improvements in and relating to variable velocity ratio gearing |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB539062A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2309056A (en) * | 1997-01-07 | 1997-07-16 | Eric Albert Whateley | Variable-ratio tapered-roller planet gearing |
-
1940
- 1940-02-23 GB GB1491840A patent/GB539062A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2309056A (en) * | 1997-01-07 | 1997-07-16 | Eric Albert Whateley | Variable-ratio tapered-roller planet gearing |
GB2309056B (en) * | 1997-01-07 | 1997-11-19 | Eric Albert Whateley | Multiple speed transmission |
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