GB159541A - Improvements in the valve gear of three and four-cylinder locomotives - Google Patents
Improvements in the valve gear of three and four-cylinder locomotivesInfo
- Publication number
- GB159541A GB159541A GB2640819A GB2640819A GB159541A GB 159541 A GB159541 A GB 159541A GB 2640819 A GB2640819 A GB 2640819A GB 2640819 A GB2640819 A GB 2640819A GB 159541 A GB159541 A GB 159541A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- valve
- worked
- valves
- cylinders
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L29/00—Reversing-gear
- F01L29/04—Reversing-gear by links or guide rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
159,541. Holcroft, H. Oct. 28, 1919. Link-motions and linkage gears.-Locomotives with three or four cylinders are provided with two primary valve-gears, and the other valve or valves are worked by these in combination through linkage mechanism in such a way as to permit any desired arrangement of cranks. The outside cranks C<1>, C', Fig. 1, are arranged at 90‹ to one another, and at 135‹ to the adjacent cranks C<2>, C<3>. The valves of the outside cylinders c<1>, c<4> are worked by two Walschaert gears, and the valves of the cylinders c<2>, c<3> are worked from these by links a<1>, l<1>, d, l, levers a, e, with fixed pivots a<2>, e<1>, and a floating lever c with a sliding pivot b<2>. A modification of this construction is described wherein two floating levers are used. In the three-cylinder engine shown in Fig. 6, the valve of the cylinder c<2> is operated by a bellcrank a mounted, by means of a slidable fulcrum, on a lever b connected to the gear of cylinder c<1>, and oscillated, through links e, and bell-crank d, by the gear of cylinder c<3>. Modifications are described wherein the bell-crank is provided with a third arm which actuates a fourth valve either directly, or through a rocking lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2640819A GB159541A (en) | 1919-10-28 | 1919-10-28 | Improvements in the valve gear of three and four-cylinder locomotives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2640819A GB159541A (en) | 1919-10-28 | 1919-10-28 | Improvements in the valve gear of three and four-cylinder locomotives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB159541A true GB159541A (en) | 1921-02-28 |
Family
ID=10243172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2640819A Expired GB159541A (en) | 1919-10-28 | 1919-10-28 | Improvements in the valve gear of three and four-cylinder locomotives |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB159541A (en) |
-
1919
- 1919-10-28 GB GB2640819A patent/GB159541A/en not_active Expired
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