IPC 7 English version F16H 61/00-F16H 109:00

F16H06100-F16H10900

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F 16

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F 16 H

GEARING

61/

Control functions within change-speed- or reversing-gearings for conveying rotary motion [5]

61/

characterised by the signals used [5]

61/

Smoothing ratio shift [5]

61/

by controlling rate of change of fluid pressure [5]

61/

Timing control [5]

61/

Regulating shift hysteresis [5]

61/

Detecting malfunction or potential malfunction, e.g. fail safe [5]

61/

Control of torque converter lock-up clutches [5]

61/

Inhibiting shift during unfavourable conditions (F16H 61/18 takes precedence) [5]

61/

Preventing unintentional or unsafe shift (constructional features of the final output mechanisms F16H 63/30) [5]

61/

Preventing gear creeping [5]

61/

Providing engine brake control [7]

61/

Locking (F16H 63/34 takes precedence) [5]

61/

Providing feel, e.g. to enable selection [5]

61/

Generation or transmission of movements for final actuating mechanisms [5]

Notes

(1)

The generation or transmission of movements comprising only the selector apparatus, is classified in group F16H 59/00. [5]

(2)

The generation or transmission of movements, when part of the final output mechanisms, is classified in group F16H 63/00. [5]

61/

with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted [5]

61/

Hydraulic motors therefor [5]

61/

Electric motors therefor [5]

61/

comprising two mechanisms, one for the preselection movement, and one for the shifting movement (F16H 61/36 takes precedence) [5]

61/

with at least one movement being transmitted by a cable [5]

61/

Control of exclusively fluid gearing [5]

61/

hydrostatic (involving modification of the gearing F16H 39/02, F16H 39/04) [5]

61/

involving adjustment of a pump or motor with adjustable output or capacity [5]

61/

by varying the number of pump or motor units in operation [5]

61/

Automatic regulation in accordance with output requirements (servomotors G05B) [5]

61/

hydrodynamic [5]

61/

controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit [5]

61/

by altering the position of blades [5]

61/

by means of axially-shiftable blade runners [5]

61/

to change the blade angle [5]

61/

by change of the mechanical connection of, or between, the runners [5]

61/

exclusively by the use of freewheel clutches [5]

61/

involving use of a speed-changing gearing or of a clutch in the connection between runners (F16H 45/02, F16H 61/60 take precedence) [5]

61/

controlled by changing the amount of liquid in the working circuit [5]

63/

Control outputs to change-speed- or reversing-gearings for conveying rotary motion [5]

63/

Final output mechanisms therefor; Actuating means for the final output mechanisms [5]

63/

a single final output mechanism being moved by a single final actuating mechanism [5]

63/

the final output mechanism having an indefinite number of positions [5]

63/

Multiple final output mechanisms being moved by a single common final actuating mechanism [5]

63/

the final actuating mechanism having a series of independent ways of movement, each way of movement being associated with only one final output mechanism [5]

63/

two or more ways of movement occurring simultaneously [5]

63/

the final output mechanisms being successively actuated by repeated movement of the final actuating mechanism [5]

63/

the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism [5]

63/

the final actuating mechanism comprising cams [5]

63/

with preselection and subsequent movement of each final output mechanism by movement of the final actuating mechanism in two different ways, e.g. guided by a shift gate [5]

63/

the final output mechanisms being simultaneously moved by the final actuating mechanism [5]

63/

each of the final output mechanisms being moved by only one of the various final actuating mechanisms [5]

63/

some of the movements of the final output mechanisms being caused by another final output mechanism [5]

63/

two or more final actuating mechanisms moving the same final output mechanism [5]

63/

Constructional features of the final output mechanisms [5]

63/

Gear shifter yokes [5]

63/

Locking or disabling mechanisms [5]

63/

Interlocking devices [5]

63/

Detents [5]

63/

comprising signals other than signals for actuating the final output mechanisms [5]

63/

Ratio indicator devices [5]

63/

Signals to the control unit of auxiliary gearing [5]

63/

Signals to a clutch outside the gearbox [5]

63/

Signals to a parking brake [5]

63/

Signals to an engine or motor [7]

Indexing scheme associated with groups F16H 59/00 to F16H 63/00, relating to types of gearing controlled and to changing the number of driven wheels. The indexing codes should be unlinked. [7]

Note

Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [7]

101:

Continuously variable gearing [7]

101:

with endless flexible member [7]

101:

Friction gearing [7]

103:

Stepped gearing [7]

103:

with interruption of drive [7]

103:

without interruption of drive, e.g. powershift [7]

103:

with orbital gears [7]

103:

with two inputs, e.g. selection of one of two torque-flow paths by clutch [7]

105:

Change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range- or overdrive-type gearing arrangements [7]

107:

Differential or balance gearing [7]

109:

Changing the number of driven wheels [7]

F16H 41/00 - F16H 59/78