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G05D 1/00
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Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot |
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G05D 1/02
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Control of position or course in two dimensions |
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G05D 1/03
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Control of position or course in two dimensions using near-field transmission systems, e.g. inductive-loop type |
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G05D 1/04
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Control of altitude or depth |
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G05D 1/06
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Rate of change of altitude or depth |
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G05D 1/08
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Control of attitude, i.e. control of roll, pitch, or yaw |
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G05D 1/10
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Simultaneous control of position or course in three dimensions |
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G05D 1/12
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Target-seeking control |
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G05D 3/00
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Control of position or direction |
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G05D 3/10
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Control of position or direction without using feedback |
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G05D 3/12
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Control of position or direction using feedback |
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G05D 3/14
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Control of position or direction using feedback using an analogue comparing device |
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G05D 3/16
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Control of position or direction using feedback using an analogue comparing device whose output amplitude can only take a number of discrete values |
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G05D 3/18
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Control of position or direction using feedback using an analogue comparing device delivering a series of pulses |
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G05D 3/20
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Control of position or direction using feedback using a digital comparing device |
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G05D 5/00
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Control of dimensions of material |
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G05D 5/02
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Control of dimensions of material of thickness, e.g. of rolled material |
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G05D 5/03
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Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means |
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G05D 5/04
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Control of dimensions of material of the size of items, e.g. of particles |
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G05D 5/06
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Control of dimensions of material of the size of items, e.g. of particles characterised by the use of electric means |
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G05D 7/00
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Control of flow |
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G05D 7/01
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Control of flow without auxiliary power |
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G05D 7/03
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Control of flow with auxiliary non-electric power |
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G05D 7/06
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Control of flow characterised by the use of electric means |
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G05D 9/00
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Level control, e.g. controlling quantity of material stored in vessel |
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G05D 9/02
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Level control, e.g. controlling quantity of material stored in vessel without auxiliary power |
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G05D 9/04
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Level control, e.g. controlling quantity of material stored in vessel with auxiliary non-electric power |
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G05D 9/12
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Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means |
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G05D 11/00
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Control of flow ratio |
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G05D 11/02
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Controlling ratio of two or more flows of fluid or fluent material |
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G05D 11/03
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Controlling ratio of two or more flows of fluid or fluent material without auxiliary power |
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G05D 11/04
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Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing weight of individual components, e.g. gravimetric procedure |
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G05D 11/06
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Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing density of mixture, e.g. using aerometer |
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G05D 11/08
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Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing concentration of mixture, e.g. by measuring pH-value |
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G05D 11/10
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Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing concentration of mixture, e.g. by measuring pH-value by sensing moisture of non-aqueous liquids |
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G05D 11/12
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Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing viscosity of mixture |
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G05D 11/13
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Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means |
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G05D 11/16
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Controlling mixing ratio of fluids having different temperatures, e.g. by sensing the temperature of a mixture of fluids having different viscosities |
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G05D 11/035
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Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power |
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G05D 13/00
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover |
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G05D 13/02
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover - Details |
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G05D 13/04
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover - Details providing for emergency tripping of an engine in case of exceeding maximum speed |
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G05D 13/06
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover - Details providing for damping of erratic vibrations in governors |
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G05D 13/08
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover without auxiliary power |
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G05D 13/10
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Centrifugal governors with fly-weights |
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G05D 13/12
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Centrifugal governors with fly-weights - Details |
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G05D 13/14
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Fly-weights; Mountings thereof; Adjusting equipment for limits, e.g. temporarily |
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G05D 13/16
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Risers; Transmission gear therefor; Restoring mechanisms therefor |
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G05D 13/18
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Centrifugal governors with fly-weights counterbalanced by spider springs acting immediately upon the fly-weights |
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G05D 13/20
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Centrifugal governors with fly-weights counterbalanced by spider springs acting upon the articulated riser |
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G05D 13/22
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Centrifugal governors with fly-weights counterbalanced by fluid pressure acting upon the articulated riser |
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G05D 13/24
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Centrifugal governors with fly-weights counterbalanced by two or more different appliances acting simultaneously upon the riser, e.g. with both spring force and fluid pressure or with both spring force and electromagnetic force |
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G05D 13/26
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Centrifugal governors with fly-weights with provision for modulating the degree of non-uniformity of speed |
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G05D 13/28
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Centrifugal governors with fly-weights with provision for performing braking effects in case of increased speed |
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G05D 13/30
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Governors characterised by fluid features in which the speed of a shaft is converted into fluid pressure |
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G05D 13/32
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Governors characterised by fluid features in which the speed of a shaft is converted into fluid pressure using a pump |
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G05D 13/34
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power |
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G05D 13/36
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band, i.e. P. regulating devices |
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G05D 13/38
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band, i.e. P. regulating devices involving centrifugal governors of fly-weight type |
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G05D 13/40
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band, i.e. P. regulating devices involving centrifugal governors of pump type |
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G05D 13/42
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band, i.e. P. regulating devices involving fluid governors of flow-controller type, i.e. the width of liquid flow being controlled by fly-weights |
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G05D 13/44
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band, i.e. P. regulating devices involving fluid governors of jet type |
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G05D 13/46
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and integral action, i.e. P.I. regulating devices |
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G05D 13/48
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and integral action, i.e. P.I. regulating devices involving resilient restoring mechanisms |
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G05D 13/50
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and integral action, i.e. P.I. regulating devices involving connecting means for superimposing a proportional regulating device and an integral regulating device |
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G05D 13/52
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and derivative action, i.e. P.D. regulating devices |
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G05D 13/54
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and derivative action, i.e. P.D. regulating devices involving centrifugal governors of fly-weight type exerting an acceleratory effect |
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G05D 13/56
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and derivative action, i.e. P.D. regulating devices involving restoring mechanisms exerting a delay effect |
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G05D 13/58
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band and derivative action, i.e. P.D. regulating devices involving means for connecting a speed- regulating device and an acceleration- regulating device |
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G05D 13/60
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover with auxiliary non-electric power using regulating devices with proportional band, derivative, and integral action, i.e. P.I.D. regulating devices |
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G05D 13/62
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Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement |
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G05D 13/64
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Compensating the speed difference between engines meshing by a differential gearing or the speed difference between a controlling shaft and a controlled shaft |
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G05D 13/66
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Governor units providing for co-operation with control dependent upon a variable other than speed |
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G05D 15/00
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Control of mechanical force or stress; Control of mechanical pressure |
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G05D 15/01
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Control of mechanical force or stress; Control of mechanical pressure characterised by the use of electric means |
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G05D 16/00
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Control of fluid pressure |
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G05D 16/02
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Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or unbalance |
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G05D 16/04
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Control of fluid pressure without auxiliary power |
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G05D 16/06
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Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule |
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G05D 16/08
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Control of liquid pressure |
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G05D 16/10
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Control of fluid pressure without auxiliary power the sensing element being a piston or plunger |
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G05D 16/12
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Control of fluid pressure without auxiliary power the sensing element being a float |
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G05D 16/14
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Control of fluid pressure with auxiliary non-electric power |
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G05D 16/16
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Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid |
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G05D 16/18
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Control of fluid pressure with auxiliary non-electric power derived from an external source |
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G05D 16/20
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Control of fluid pressure characterised by the use of electric means |
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G05D 17/00
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Control of torque; Control of mechanical power |
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G05D 17/02
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Control of torque; Control of mechanical power characterised by the use of electric means |
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G05D 19/00
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Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase |
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G05D 19/02
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Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means |
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G05D 21/00
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Control of chemical or physico-chemical variables, e.g. pH-value |
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G05D 21/02
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Control of chemical or physico-chemical variables, e.g. pH-value characterised by the use of electric means |
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G05D 22/00
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Control of humidity |
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G05D 22/02
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Control of humidity characterised by the use of electric means |
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G05D 23/00
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Control of temperature |
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G05D 23/01
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Control of temperature without auxiliary power |
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G05D 23/02
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Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature |
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G05D 23/08
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Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature with bimetallic element |
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G05D 23/10
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Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature with bimetallic element with snap-action elements |
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G05D 23/12
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Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid |
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G05D 23/13
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Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures |
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G05D 23/19
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Control of temperature characterised by the use of electric means |
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G05D 23/20
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Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature |
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G05D 23/22
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Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple |
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G05D 23/24
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Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. thermistor |
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G05D 23/26
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Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a permeability varying with temperature |
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G05D 23/27
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Control of temperature characterised by the use of electric means with sensing element responsive to radiation |
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G05D 23/30
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Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature |
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G05D 23/32
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Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature with provision for adjustment of the effect of the auxiliary heating device, e.g. as a function of time |
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G05D 23/185
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Control of temperature with auxiliary non-electric power |
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G05D 23/275
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Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature |
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G05D 24/00
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Control of viscosity |
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G05D 24/02
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Control of viscosity characterised by the use of electric means |
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G05D 25/00
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Control of light, e.g. intensity, colour or phase |
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G05D 25/02
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Control of light, e.g. intensity, colour or phase characterised by the use of electric means |
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G05D 27/00
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Simultaneous control of variables covered by two or more of main groups |
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G05D 27/02
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Simultaneous control of variables covered by two or more of main groups characterised by the use of electric means |
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G05D 29/00
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Simultaneous control of electric and non-electric variables |
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G05D 99/00
|
Subject matter not provided for in other groups of this subclass |
