GB469881A - Improvements in or relating to variable-speed epicyclic gearing - Google Patents

Improvements in or relating to variable-speed epicyclic gearing

Info

Publication number
GB469881A
GB469881A GB7436A GB7436A GB469881A GB 469881 A GB469881 A GB 469881A GB 7436 A GB7436 A GB 7436A GB 7436 A GB7436 A GB 7436A GB 469881 A GB469881 A GB 469881A
Authority
GB
United Kingdom
Prior art keywords
train
primary
planets
trains
speed
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
GB7436A
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 GB7436A priority Critical patent/GB469881A/en
Publication of GB469881A publication Critical patent/GB469881A/en
Expired legal-status Critical Current

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
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

469,881. Variable - speed epicyclic gearing. WILSON, A. G. Jan. 1, 1936, No. 74. [Class 80 (ii)] A variable-speed epicyclic gear comprises a primary train A and a secondary train B. The planets j of the primary train and the annulus m of the secondary train are carried by the main shaft a whilst the planets n of the secondary train and the annulus r of the primary train are carried by the other main shaft b. The suns c and s of the primary and secondary trains A and B respectively are adapted to be held by brakes e and u acting on brake drums d and t connected to these suns to give two forward speeds of the driven shaft b, one higher and one lower than the speed of the input shaft a. A direct drive clutch f, g is provided between the primary sun c and the input shaft. In a modified arrangement, the planets of the primary train and the sun of the secondary train are secured to the input shaft a and the planets of the secondary and the annulus of the primary train are secured to the output shaft b, the remaining members of the two trains being adapted to be held to give the two indirect ratios as before. Additional trains may be arranged between and/or after the primary and secondary trains having members adapted to be braked to give two additional forward speeds or one additional forward speed and a reverse. Specifications 164,042 and 312,128, [both in Class 80 (ii)], are referred to in the Provisional Specification.
GB7436A 1936-01-01 1936-01-01 Improvements in or relating to variable-speed epicyclic gearing Expired GB469881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7436A GB469881A (en) 1936-01-01 1936-01-01 Improvements in or relating to variable-speed epicyclic gearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7436A GB469881A (en) 1936-01-01 1936-01-01 Improvements in or relating to variable-speed epicyclic gearing

Publications (1)

Publication Number Publication Date
GB469881A true GB469881A (en) 1937-08-03

Family

ID=9697937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7436A Expired GB469881A (en) 1936-01-01 1936-01-01 Improvements in or relating to variable-speed epicyclic gearing

Country Status (1)

Country Link
GB (1) GB469881A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620685A (en) * 1948-05-11 1952-12-09 Borg Warner Transmission
US2821867A (en) * 1952-03-13 1958-02-04 Borg Warner Two path power flow turbine transmission
US2917951A (en) * 1954-08-10 1959-12-22 Twin Disc Clutch Co Transmission
US3398606A (en) * 1965-12-30 1968-08-27 Gen Motors Corp Transmission
GB2247501A (en) * 1990-08-15 1992-03-04 Massey Ferguson Services Nv Planetary gear units using a dominant train connected to both input and output

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620685A (en) * 1948-05-11 1952-12-09 Borg Warner Transmission
US2821867A (en) * 1952-03-13 1958-02-04 Borg Warner Two path power flow turbine transmission
US2917951A (en) * 1954-08-10 1959-12-22 Twin Disc Clutch Co Transmission
US3398606A (en) * 1965-12-30 1968-08-27 Gen Motors Corp Transmission
GB2247501A (en) * 1990-08-15 1992-03-04 Massey Ferguson Services Nv Planetary gear units using a dominant train connected to both input and output
GB2247501B (en) * 1990-08-15 1994-08-17 Massey Ferguson Services Nv Planetary gear units
US5358458A (en) * 1990-08-15 1994-10-25 Massey-Ferguson Services, N.V. Planetary gear units

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