IPC-Stelle: F04D 25/02 [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
FSKMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04KLPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS (portable fire extinguishers with manually-operated pumps A62C 11/00 , with power-driven pumps A62C 25/00; charging or scavenging combustion engines by pumps F02B; engine fuel-injection pumps F02M; ion pumps H01J 41/12; electrodynamic pumps H02K 44/02)
F04DUKLNON-POSITIVE-DISPLACEMENT PUMPS
F04D 1/00ZWPumping liquids, or liquids and elastic fluids, by rotary pumps (pumping liquids and elastic fluids at the same time F04D 31/00)
F04D 1/00HGRRadial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00)
F04D 1/02UGR1
.having non-centrifugal stages, e.g. centripetal
F04D 1/04UGR1
.Helico-centrifugal pumps
F04D 1/06UGR1
.Multi-stage pumps (F04D 1/02 takes precedence)
F04D 1/08UGR2
. .the stages being situated concentrically
F04D 1/10UGR2
. .with means for changing the flow-path through the stages, e.g. series/parallel
F04D 1/12UGR1
.Pumps with scoops or like paring members protruding in the fluid circulating in a bowl
F04D 1/14UGR1
.Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis
F04D 3/00HGRAxial-flow pumps (priming or boosting F04D 9/00)
F04D 3/02UGR1
.of screw type
F04D 5/00HGRPumps with circumferential or transverse flow
F04D 7/00HGRPumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
F04D 7/02UGR1
.of centrifugal type
F04D 7/04UGR2
. .the fluids being viscous or non-homogeneous
F04D 7/06UGR2
. .the fluids being hot or corrosive, e.g. liquid metal
F04D 7/08UGR2
. .the fluids being radioactive
F04D 9/00HGRPriming; Preventing vapour lock
F04D 9/02UGR1
.Self-priming pumps
F04D 9/04UGR1
.using priming pumps; using booster pumps to prevent vapour lock
F04D 9/06UGR2
. .of jet type
F04D 11/00HGROther rotary non-positive-displacement pumps (pumping installations or systems F04D 13/00)
F04D 13/00HGRPumping installations or systems (controlling F04D 15/00)
F04D 13/02UGR1
.Units comprising pumps and their driving means (predominant aspects of the driving means, see the relevant classes for such means)
F04D 13/04UGR2
. .the pump being fluid-driven
F04D 13/06UGR2
. .the pump being electrically driven
F04D 13/08UGR3
. . .for submerged use
F04D 13/10UGR4
. . . .adapted for use in mining bore holes
F04D 13/12UGR1
.Combinations of two or more pumps (combinations with priming pumps or booster pumps to counter-act vapour lock F04D 9/04)
F04D 13/14UGR2
. .the pumps being all of centrifugal type
F04D 13/16UGR1
.with storage reservoirs
F04D 15/00HGRControl, e.g. regulation, of pumps, pumping installations, or systems
F04D 15/02UGR1
.Stopping of pumps, or operating valves, on occurrence of unwanted conditions
F04D 17/00ZWPumping elastic fluids by rotary pumps
F04D 17/00HGRRadial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (F04D 21/00 takes precedence)
F04D 17/02UGR1
.having non-centrifugal stages, e.g. centripetal
F04D 17/04UGR2
. .of transverse-flow type
F04D 17/06UGR1
.Helico-centrifugal pumps
F04D 17/08UGR1
.Centrifugal pumps
F04D 17/10UGR2
. .for compressing or evacuating
F04D 17/12UGR3
. . .Multi-stage pumps
F04D 17/14UGR4
. . . .with means for changing the flow-path through the stages, e.g. series/parallel (surge control F04D 27/02)
F04D 17/16UGR2
. .for displacing without appreciable compression
F04D 17/18UGR2
. .characterised by use of centrifugal force of liquids entrained in pumps
F04D 19/00HGRAxial-flow pumps (F04D 21/00 takes precedence)
F04D 19/02UGR1
.Multi-stage pumps
F04D 19/04UGR2
. .specially adapted to the production of a high vacuum, e.g. molecular pumps
F04D 21/00HGRPumps involving supersonic speed of pumped fluids
F04D 23/00HGROther rotary non-positive-displacement pumps (pumping installations or systems F04D 25/00)
F04D 25/00HGRPumping installations or systems (controlling F04D 27/00)
F04D 25/02UGR1
.Units comprising pumps and their driving means (predominant aspects of the driving means, see the relevant classes for such means)
F04D 25/04UGR2
. .the pump being fluid-driven
F04D 25/06UGR2
. .the pump being electrically driven (F04D 25/08 takes precedence)
F04D 25/08UGR2
. .the working fluid being air, e.g. for ventilation
F04D 25/10UGR3
. . .the unit having provisions for automatically changing the direction of output air
F04D 25/12UGR3
. . .the unit being adapted for mounting in apertures
F04D 25/14UGR4
. . . .and having shutters, e.g. automatically closed when not in use
F04D 25/16UGR1
.Combinations of two or more pumps
F04D 27/00HGRControl, e.g. regulation, of pumps, pumping installations, or systems
F04D 27/02UGR1
.Surge control
F04D 29/00ZWE
F04D 29/00HGRDetails, component parts, or accessories (machine elements in general F16)
F04D 29/02UGR1
.Selection of particular materials (for handling specific liquids F04D 7/00)
F04D 29/04UGR1
.Shafts; Bearings; Lubrication (of machines or engines in general F01M)
F04D 29/06UGR2
. .Lubrication
F04D 29/08UGR1
.Sealings
F04D 29/10UGR2
. .Shaft sealings
F04D 29/12UGR3
. . .using sealing-rings
F04D 29/14UGR3
. . .operative only when pump is inoperative
F04D 29/16UGR2
. .between pressure and suction sides
F04D 29/18UGR1
.Rotors (specially for elastic fluids F04D 29/26)
F04D 29/20UGR2
. .Mounting rotors on shafts
F04D 29/22UGR2
. .specially for centrifugal pumps
F04D 29/24UGR3
. . .Vanes
F04D 29/26UGR1
.Rotors specially for elastic fluids
F04D 29/28UGR2
. .for centrifugal or helico-centrifugal pumps
F04D 29/30UGR3
. . .Vanes
F04D 29/32UGR2
. .for axial-flow pumps
F04D 29/34UGR3
. . .Blade mountings
F04D 29/36UGR4
. . . .adjustable
F04D 29/38UGR3
. . .Blades
F04D 29/40UGR1
.Casings; Connections for working fluid
F04D 29/42UGR2
. .for radial or helico-centrifugal pumps
F04D 29/44UGR3
. . .Fluid-guiding means, e.g. diffusers
F04D 29/46UGR4
. . . .adjustable
F04D 29/48UGR5
. . . . .for unidirectional fluid flow in reversible pumps
F04D 29/50UGR5
. . . . .for reversing fluid flow
F04D 29/52UGR2
. .for axial pumps
F04D 29/54UGR3
. . .Fluid-guiding means, e.g. diffusers
F04D 29/56UGR4
. . . .adjustable
F04D 29/58UGR1
.Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer
F04D 29/60UGR1
.Mounting; Assembling; Disassembling
F04D 29/62UGR2
. .of radial or helico-centrifugal pumps
F04D 29/64UGR2
. .of axial pumps
F04D 29/66UGR1
.Combating cavitation, whirls, noise, vibration, or the like (gas-flow silencers for machines or engines in general F01N); Balancing (surge control F04D 27/02)
F04D 29/68UGR2
. .by influencing boundary layers
F04D 29/70UGR1
.Suction grids; Strainers; Dust separation; Cleaning
F04D 31/00ZWOther non-positive-displacement pumps
F04D 31/00HGRPumping liquids and elastic fluids at the same time
F04D 33/00HGRNon-positive-displacement pumps with other than pure rotation, e.g. of oscillating type (F04D 35/00 takes precedence; hand-held fans A45B) [2]
F04D 35/00HGRPumps producing waves in liquids, i.e. wave-producers (for bath tubs A47K 3/10) [2]