GB159541A - Improvements in the valve gear of three and four-cylinder locomotives - Google Patents

Improvements in the valve gear of three and four-cylinder locomotives

Info

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
Application number
GB2640819A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2640819A priority Critical patent/GB159541A/en
Publication of GB159541A publication Critical patent/GB159541A/en
Expired legal-status Critical Current

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.
GB2640819A 1919-10-28 1919-10-28 Improvements in the valve gear of three and four-cylinder locomotives Expired GB159541A (en)

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)

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