Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16HGEARING

F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion

F16H3/001convertible for varying the gear-ratio F16H3/002using gears having teeth movable out of mesh F16H3/003the gear-ratio being changed by inversion of torque direction F16H3/005for gearings using gears having orbital motion F16H3/006power being selectively transmitted by either one of the parallel flow paths F16H3/02without gears having orbital motion F16H3/04with internally-toothed gears F16H3/06with worm and worm-wheel or gears essentially having helical or herring-bone teeth F16H3/08exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts F16H3/083with radially acting and axially controlled clutching members F16H3/085with more than one output shaft F16H3/087characterised by the disposition of the gears F16H3/089all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved F16H3/091including a single countershaft F16H3/0915with coaxial input and output shafts F16H3/093with two or more countershafts F16H3/095with means for ensuring an even distribution of torque between the countershafts F16H3/097the input and output shafts being aligned on the same axis F16H3/10with one or more one-way clutches as an essential feature F16H3/12with means for synchronisation not incorporated in the clutches F16H3/126using an electric drive F16H3/14Gearings for reversal only F16H3/145with a pair of coaxial bevel gears, rotatable in opposite directions F16H3/16essentially with both gears that can be put out of gear and continuously-meshing gears that can be disengaged from their shafts F16H3/18Gearings for reversal only F16H3/20exclusively or essentially using gears that can be moved out of gear F16H3/22with gears shiftable only axially F16H3/24with driving and driven shafts coaxial F16H3/26and two or more additional shafts F16H3/28an additional shaft being coaxial with the main shafts F16H3/30with driving and driven shafts not coaxial F16H3/32and an additional shaft F16H3/34with gears shiftable otherwise than only axially F16H3/36with a single gear meshable with any of a set of coaxial gears of different diameters F16H3/363the teeth of the set of coaxial gears being arranged on a surface of generally conical shape F16H3/366the teeth of the set of coaxial gears being arranged on a generally flat F16H3/38with synchro-meshing F16H3/385with braking means F16H3/40Gearings for reversal only F16H3/42with gears having teeth formed or arranged for obtaining multiple gear ratios F16H3/423the teeth being arranged on a surface of generally conical shape F16H3/426the teeth being arranged on a generally flat F16H3/44using gears having orbital motion F16H3/46Gearings having only two central gears, connected by orbital gears F16H3/48with single orbital gears or pairs or rigidly-connected orbital gears F16H3/50comprising orbital conical gears F16H3/52comprising orbital spur gears F16H3/54one of the central gears being internally toothed and the other externally toothed F16H3/56both central gears being sun gears F16H3/58with sets of orbital gears, each consisting of two or more intermeshing orbital gears F16H3/60Gearings for reversal only F16H3/62Gearings having three or more central gears F16H3/64composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train F16H3/66composed of a number of gear trains without drive passing from one train to another F16H3/663with conveying rotary motion between axially spaced orbital gears F16H3/666with compound planetary gear units F16H3/68in which an orbital gear has an axis crossing the main axis of the gearing and has helical teeth or is a worm F16H3/70in which the central axis of the gearing lies inside the periphery of an orbital gear F16H3/72with a secondary drive F16H3/721with an energy dissipating device F16H3/722with a fluid throttle F16H3/724using external powered electric machines F16H3/725with means to change ratio in the mechanical gearing F16H3/727with at least two dynamo electric machines for creating an electric power path inside the gearing F16H3/728with means to change ratio in the mechanical gearing F16H3/74Complexes, not using actuable speedchanging or regulating members F16H3/76with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios F16H3/78Special adaptation of synchronisation mechanisms to these gearings