IPC Classification

Class code (prefix) Descriptions Number of results
F16F 1/00 Springs
F16F 1/02 Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
F16F 1/04 Wound springs
F16F 1/06 Wound springs with turns lying in cylindrical surfaces
F16F 1/08 Wound springs with turns lying in mainly conical surfaces
F16F 1/10 Spiral springs with turns lying substantially in plane surfaces
F16F 1/12 Attachments or mountings
F16F 1/13 Attachments or mountings comprising inserts or spacers between the windings for changing the mechanical or physical characteristics of the spring
F16F 1/14 Torsion springs consisting of bars or tubes
F16F 1/16 Attachments or mountings
F16F 1/18 Leaf springs
F16F 1/20 Leaf springs with layers, e.g. anti-friction layers, or with rollers between the leaves
F16F 1/22 Leaf springs with means for modifying the spring characteristic
F16F 1/24 Lubrication; Covers, e.g. for retaining lubricant
F16F 1/26 Attachments or mountings
F16F 1/28 Attachments or mountings comprising cylindrical metal pins pivoted in close-fitting sleeves
F16F 1/30 Attachments or mountings comprising intermediate pieces made of rubber or similar elastic material
F16F 1/32 Cup springs; Dished disc springs
F16F 1/34 Ring springs, i.e. annular bodies deformed radially due to axial load
F16F 1/36 Springs made of material having high internal friction
F16F 1/37 Springs made of material having high internal friction of foam-like material, e.g. sponge rubber
F16F 1/38 Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 1/40 Springs made of material having high internal friction consisting of a stack of similar elements separated by non-elastic intermediate layers
F16F 1/41 Springs made of material having high internal friction consisting of a stack of similar elements separated by non-elastic intermediate layers the spring consisting of generally conically arranged elements
F16F 1/42 Springs made of material having high internal friction characterised by the mode of stressing
F16F 1/44 Springs made of material having high internal friction characterised by the mode of stressing loaded mainly in compression
F16F 1/46 Springs made of material having high internal friction characterised by the mode of stressing loaded mainly in tension
F16F 1/48 Springs made of material having high internal friction characterised by the mode of stressing loaded mainly in torsion
F16F 1/50 Springs made of material having high internal friction characterised by the mode of stressing loaded mainly in shear
F16F 1/52 Springs made of material having high internal friction characterised by the mode of stressing loaded in combined stresses
F16F 1/54 Springs made of material having high internal friction characterised by the mode of stressing loaded in combined stresses loaded in compression and shear
F16F 1/362 Springs made of material having high internal friction made of steel wool or compressed hair
F16F 1/364 Springs made of material having high internal friction made of cork, wood or the like material
F16F 1/366 Springs made of material having high internal friction made of fibre reinforced plastics
F16F 1/368 Leaf springs
F16F 1/371 Springs made of material having high internal friction characterised by inserts or auxiliary extension elements, e.g. for rigidification
F16F 1/373 Springs made of material having high internal friction characterised by having a particular shape
F16F 1/374 Springs made of material having high internal friction characterised by having a particular shape having a spherical or the like shape
F16F 1/376 Springs made of material having high internal friction characterised by having a particular shape having projections, studs, serrations or the like on at least one surface
F16F 1/377 Springs made of material having high internal friction characterised by having a particular shape having holes or openings
F16F 1/379 Springs made of material having high internal friction characterised by arrangements for controlling the spring temperature, e.g. by cooling
F16F 1/387 Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
F16F 1/393 Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin with spherical or conical sleeves
F16F 3/00 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
F16F 3/02 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
F16F 3/04 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
F16F 3/06 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs of which some are placed around others in such a way that they damp each other by mutual friction
F16F 3/07 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction combined with chambers filled with gas or liquid
F16F 3/08 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
F16F 3/10 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
F16F 3/12 Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring, e.g. being embedded in it
F16F 3/087 Units comprising several springs made of plastics or the like material
F16F 3/093 Units comprising several springs made of plastics or the like material the springs being of different materials, e.g. having different types of rubber
F16F 5/00 Liquid springs in which the liquid works as a spring by compression, e.g. combined with throttling action; Combinations of devices including liquid springs
F16F 6/00 Magnetic springs; Fluid magnetic springs
F16F 7/00 Vibration-dampers; Shock-absorbers
F16F 7/01 Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand
F16F 7/02 Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
F16F 7/04 Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in the direction of the axis of rotation
F16F 7/06 Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in a direction perpendicular or inclined to the axis of rotation
F16F 7/08 Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
F16F 7/09 Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type
F16F 7/10 Vibration-dampers; Shock-absorbers using inertia effect
F16F 7/12 Vibration-dampers; Shock-absorbers using plastic deformation of members
F16F 7/14 Vibration-dampers; Shock-absorbers of cable-support type, i.e. frictionally-engaged loop-forming cables
F16F 7/104 Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
F16F 7/108 Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
F16F 7/112 Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on fluid springs
F16F 7/116 Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on metal springs
F16F 9/00 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
F16F 9/02 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only
F16F 9/04 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only in a chamber with a flexible wall
F16F 9/05 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
F16F 9/06 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
F16F 9/08 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid in a chamber with a flexible wall
F16F 9/10 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using a fluid of which the nature is immaterial
F16F 9/12 Devices with one or more rotary vanes turning in the fluid, any throttling effect being immaterial
F16F 9/14 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
F16F 9/16 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
F16F 9/18 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
F16F 9/19 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder
F16F 9/20 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with the piston-rod extending through both ends of the cylinder
F16F 9/22 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders, each having a single working space closed by a piston or plunger
F16F 9/24 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders, each having a single working space closed by a piston or plunger with a single cylinder and a single piston or plunger
F16F 9/26 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders, each having a single working space closed by a piston or plunger with two cylinders in line and with the two pistons or plungers connected together
F16F 9/28 Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders, each having a single working space closed by a piston or plunger with two parallel cylinders and with the two pistons or plungers connected together
F16F 9/30 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
F16F 9/32 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium - Details
F16F 9/34 Special valve constructions; Shape or construction of throttling passages
F16F 9/36 Special sealings, including sealings or guides for piston-rods
F16F 9/38 Covers for protection or appearance
F16F 9/40 Arrangements for preventing froth
F16F 9/42 Cooling arrangements
F16F 9/43 Filling arrangements, e.g. for supply of gas
F16F 9/44 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium - Details such means combined with temperature correction
F16F 9/46 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium - Details such means combined with temperature correction allowing control from a distance
F16F 9/48 Arrangements for providing different damping effects at different parts of the stroke
F16F 9/49 Stops limiting fluid passage, e.g. hydraulic stops
F16F 9/50 Special means providing automatic damping adjustment
F16F 9/52 Special means providing automatic damping adjustment in case of change of temperature
F16F 9/53 Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
F16F 9/54 Arrangements for attachment
F16F 9/56 Means for adjusting the length of, or for locking, the spring or damper, e.g. at the end of the stroke
F16F 9/58 Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
F16F 9/084 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid in a chamber with a flexible wall comprising a gas spring contained within a flexible wall, the wall not being in contact with the damping fluid, i.e. mounted externally on the damper cylinder
F16F 9/088 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid in a chamber with a flexible wall comprising a gas spring with a flexible wall provided within the cylinder on the piston rod of a monotubular damper or within the inner tube of a bitubular damper
F16F 9/092 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid in a chamber with a flexible wall comprising a gas spring with a flexible wall provided between the tubes of a bitubular damper
F16F 9/096 Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid in a chamber with a flexible wall comprising a hydropneumatic accumulator of the membrane type provided on the upper or the lower end of a damper or separately from or laterally on the damper
F16F 9/342 Throttling passages operating with metering pins
F16F 9/344 Vortex flow passages
F16F 9/346 Throttling passages in the form of slots arranged in cylinder walls
F16F 9/348 Throttling passages in the form of annular discs operating in opposite directions
F16F 9/504 Inertia-sensitive means
F16F 9/508 Means responsive to the velocity of movement of the piston
F16F 9/512 Means responsive to load action on the damper or fluid pressure in the damper
F16F 9/516 Special means providing automatic damping adjustment resulting in the damping effects during contraction being different from the damping effects during extension
F16F 11/00 Vibration-dampers or shock-absorbers working with both friction and a damping fluid
F16F 13/00 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
F16F 13/02 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs damping by frictional contact between the spring and braking means
F16F 13/04 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
F16F 13/06 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
F16F 13/08 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
F16F 13/10 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16F 13/12 Single chamber dampers
F16F 13/14 Units of the bushing type
F16F 13/16 Units of the bushing type specially adapted for receiving axial loads
F16F 13/18 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper characterised by the location or the shape of the equilibration chamber, e.g. the equilibration chamber surrounding the plastics spring or being annular
F16F 13/20 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper characterised by comprising also a pneumatic spring
F16F 13/22 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper characterised by comprising also a dynamic damper
F16F 13/24 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the central part of the unit being supported by one element and both extremities of the unit being supported by a single other element, i.e. double acting mounting
F16F 13/26 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
F16F 13/28 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions specially adapted for units of the bushing type
F16F 13/30 Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids
F16F 15/00 Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
F16F 15/02 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system
F16F 15/03 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using electromagnetic means
F16F 15/04 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
F16F 15/06 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with metal springs
F16F 15/08 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16F 15/10 Suppression of vibrations in rotating systems by making use of members moving with the system
F16F 15/12 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
F16F 15/14 Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system
F16F 15/16 Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid
F16F 15/18 Suppression of vibrations in rotating systems by making use of members moving with the system using electric means
F16F 15/20 Suppression of vibrations of rotating systems by favourable grouping or relative arrangement of the moving members of the system or systems
F16F 15/22 Compensation of inertia forces
F16F 15/023 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using fluid means
F16F 15/24 Compensation of inertia forces of crankshaft systems by particular disposition of cranks, pistons, or the like
F16F 15/26 Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system
F16F 15/027 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using fluid means comprising control arrangements
F16F 15/28 Counterweights; Attaching or mounting same
F16F 15/30 Flywheels
F16F 15/31 Flywheels characterised by means for varying the moment of inertia
F16F 15/32 Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
F16F 15/34 Fastening arrangements therefor
F16F 15/36 Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically
F16F 15/067 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with metal springs using only wound springs
F16F 15/073 Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with metal springs using only leaf springs
F16F 15/121 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
F16F 15/123 Wound springs
F16F 15/124 Plastics springs, e.g. made of rubber
F16F 15/126 Plastics springs, e.g. made of rubber consisting of at least one annular element surrounding the axis of rotation
F16F 15/127 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs using plastics springs combined with other types of springs
F16F 15/129 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by friction-damping means
F16F 15/131 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
F16F 15/133 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
F16F 15/134 Wound springs
F16F 15/136 Plastics springs, e.g. made of rubber
F16F 15/137 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs the elastic members consisting of two or more springs of different types
F16F 15/139 Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
F16F 15/167 Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid having an inertia member, e.g. ring
F16F 15/173 Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid having an inertia member, e.g. ring provided within a closed housing
F16F 15/305 Flywheels made of plastics, e.g. fibre reinforced plastics (FRP)
F16F 15/315 Flywheels characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft