IPC-Stelle: F04C 18/20 [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)
F04CUKLROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines F03C); ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
F04C 2/00ZWRotary-piston, or oscillating-piston, positive-displacement machines or pumps for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps
F04C 2/00HGRRotary-piston machines or pumps (with non-parallel axes of co-operating members F04C 3/00; with the working-chamber walls at least partly resiliently deformable F04C 5/00; with fluid ring or the like F04C 7/00; rotary-piston machines or pumps in which the working-fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F04B) [3]
F04C 2/02UGR1
.of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents [3]
F04C 2/04UGR2
. .of internal-axis type [3]
F04C 2/06UGR2
. .of other than internal-axis type (F04C 2/063 takes precedence) [3]
F04C 2/063UGR2
. .with coaxially-mounted members having continuously-changing circumferential spacing between them [3]
F04C 2/067UGR3
. . .having cam-and-follower type drive [3]
F04C 2/07UGR3
. . .having crankshaft-and-connecting-rod type drive [3]
F04C 2/073UGR3
. . .having pawl-and-ratchet type drive [3]
F04C 2/077UGR3
. . .having toothed-gearing type drive [3]
F04C 2/08UGR1
.of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [3]
F04C 2/10UGR2
. .of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member [3]
F04C 2/107UGR3
. . .with helical teeth [3]
F04C 2/113UGR3
. . .the inner member carrying rollers intermeshing with the outer member [3]
F04C 2/12UGR2
. .of other than internal-axis type [3]
F04C 2/14UGR3
. . .with toothed rotary pistons [3]
F04C 2/16UGR4
. . . .with helical teeth, e.g. chevron-shaped, screw type [3]
F04C 2/18UGR4
. . . .with similar tooth forms (F04C 2/16 takes precedence) [3]
F04C 2/20UGR4
. . . .with dissimilar tooth forms (F04C 2/16 takes precedence) [3]
F04C 2/22UGR1
.of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member [3]
F04C 2/24UGR1
.of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions [3]
F04C 2/26UGR2
. .of internal-axis type [3]
F04C 2/28UGR2
. .of other than internal-axis type [3]
F04C 2/30UGR1
.having the characteristics covered by two or more of groups F04C 2/02 , F04C 2/08 , F04C 2/22 , F04C 2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members [3]
F04C 2/32UGR2
. .having both the movement defined in group F04C 2/02 and relative reciprocation between the co-operating members [3]
F04C 2/324UGR3
. . .with vanes hinged to the inner member and reciprocating with respect to the outer member [3]
F04C 2/328UGR4
. . . .and hinged to the outer member [3]
F04C 2/332UGR3
. . .with vanes hinged to the outer member and reciprocating with respect to the inner member [3]
F04C 2/336UGR4
. . . .and hinged to the inner member [3]
F04C 2/34UGR2
. .having the movement defined in group F04C 2/08 or F04C 2/22 and relative reciprocation between the co-operating members [3]
F04C 2/344UGR3
. . .with vanes reciprocating with respect to the inner member [3]
F04C 2/348UGR4
. . . .the vanes positively engaging, with circumferential play, an outer rotatable member [3]
F04C 2/352UGR4
. . . .the vanes being pivoted on the axis of the outer member [3]
F04C 2/356UGR3
. . .with vanes reciprocating with respect to the outer member [3]
F04C 2/36UGR2
. .having both the movements defined in groups F04C 2/22 and F04C 2/24 [3]
F04C 2/38UGR2
. .having the movement defined in group F04C 2/02 and having a hinged member (F04C 2/32 takes precedence) [3]
F04C 2/39UGR3
. . .with vanes hinged to the inner as well as to the outer member [3]
F04C 2/40UGR2
. .having the movement defined in group F04C 2/08 or F04C 2/22 and having a hinged member [3]
F04C 2/44UGR3
. . .with vanes hinged to the inner member [3]
F04C 2/46UGR3
. . .with vanes hinged to the outer member [3]
F04C 3/00HGRRotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type (with the working-chamber walls at least partly resiliently deformable F04C 5/00)
F04C 3/02UGR1
.the axes being arranged at an angle of 90 degrees [5]
F04C 3/04UGR2
. .of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [5]
F04C 3/06UGR1
.the axes being arranged otherwise than at an angle of 90 degrees [5]
F04C 3/08UGR2
. .of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [5]
F04C 5/00HGRRotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
F04C 7/00HGRRotary-piston machines or pumps with fluid ring or the like
F04C 9/00HGROscillating-piston machines or pumps
F04C 11/00HGRCombinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (F04C 13/00 takes precedence; fluid gearing F16H)
F04C 13/00HGRAdaptations of machines or pumps for special use, e.g. for extremely high pressures
F04C 15/00HGRComponent parts, details, or accessories, of machines, pumps, or pumping installations, not provided for in, or of interest apart from, other groups
F04C 15/02UGR1
.Control of working-fluid admission or discharge
F04C 15/04UGR1
.Other regulation or control
F04C 18/00ZWRotary-piston, or oscillating-piston, positive-displacement pumps specially adapted for elastic fluids
F04C 18/00HGRRotary-piston pumps (with fluid ring or the like F04C 19/00; rotary-piston pumps in which the working-fluid is exclusively displaced by one or more reciprocating pistons F04B) [3]
F04C 18/02UGR1
.of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents [3]
F04C 18/04UGR2
. .of internal-axis type [3]
F04C 18/06UGR2
. .of other than internal-axis type (F04C 18/063 takes precedence) [3]
F04C 18/063UGR2
. .with coaxially-mounted members having continuously-changing circumferential spacing between them [3]
F04C 18/067UGR3
. . .having cam-and-follower type drive [3]
F04C 18/07UGR3
. . .having crankshaft-and-connecting-rod type drive [3]
F04C 18/073UGR3
. . .having pawl-and-ratchet type drive [3]
F04C 18/077UGR3
. . .having toothed-gearing type drive [3]
F04C 18/08UGR1
.of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [3]
F04C 18/10UGR2
. .of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member [3]
F04C 18/107UGR3
. . .with helical teeth [3]
F04C 18/113UGR3
. . .the inner member carrying rollers intermeshing with the outer member [3]
F04C 18/12UGR2
. .of other than internal-axis type [3]
F04C 18/14UGR3
. . .with toothed rotary pistons [3]
F04C 18/16UGR4
. . . .with helical teeth, e.g. chevron-shaped, screw type [3]
F04C 18/18UGR4
. . . .with similar tooth forms (F04C 18/16 takes precedence) [3]
F04C 18/20UGR4
. . . .with dissimilar tooth forms (F04C 18/16 takes precedence) [3]
F04C 18/22UGR1
.of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member [3]
F04C 18/24UGR1
.of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions [3]
F04C 18/26UGR2
. .of internal-axis type [3]
F04C 18/28UGR2
. .of other than internal-axis type [3]
F04C 18/30UGR1
.having the characteristics covered by two or more of groups F04C 18/02 , F04C 18/08 , F04C 18/22 , F04C 18/24 , F04C 18/48 , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members [3]
F04C 18/32UGR2
. .having both the movement defined in group F04C 18/02 and relative reciprocation between the co-operating members [3]
F04C 18/324UGR3
. . .with vanes hinged to the inner member and reciprocating with respect to the outer member [3]
F04C 18/328UGR4
. . . .and hinged to the outer member [3]
F04C 18/332UGR3
. . .with vanes hinged to the outer member and reciprocating with respect to the inner member [3]
F04C 18/336UGR4
. . . .and hinged to the inner member [3]
F04C 18/34UGR2
. .having the movement defined in group F04C 18/08 or F04C 18/22 and relative reciprocation between the co-operating members [3]
F04C 18/344UGR3
. . .with vanes reciprocating with respect to the inner member [3]
F04C 18/348UGR4
. . . .the vanes positively engaging, with circumferential play, an outer rotatable member [3]
F04C 18/352UGR4
. . . .the vanes being pivoted on the axis of the outer member [3]
F04C 18/356UGR3
. . .with vanes reciprocating with respect to the outer member [3]
F04C 18/36UGR2
. .having both the movements defined in groups F04C 18/22 and F04C 18/24 [3]
F04C 18/38UGR2
. .having the movement defined in group F04C 18/02 and having a hinged member (F04C 18/32 takes precedence) [3]
F04C 18/39UGR3
. . .with vanes hinged to the inner as well as to the outer member [3]
F04C 18/40UGR2
. .having the movement defined in group F04C 18/08 or F04C 18/22 and having a hinged member [3]
F04C 18/44UGR3
. . .with vanes hinged to the inner member [3]
F04C 18/46UGR3
. . .with vanes hinged to the outer member [3]
F04C 18/48UGR1
.Rotary-piston pumps with non-parallel axes of movement of co-operating members [5]
F04C 18/50UGR2
. .the axes being arranged at an angle of 90 degrees [5]
F04C 18/52UGR3
. . .of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [5]
F04C 18/54UGR2
. .the axes being arranged otherwise than at an angle of 90 degrees [5]
F04C 18/56UGR3
. . .of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [5]
F04C 19/00HGRRotary-piston pumps with fluid ring or the like
F04C 21/00HGROscillating-piston pumps
F04C 23/00HGRCombinations of two or more pumps, each being of rotary-piston or oscillating-piston type; Pumping installations; Multi-stage pumps (F04C 25/00 takes precedence)
F04C 23/02UGR1
.Pumps characterised by combination with, or adaptation to, specific driving engines or motors (predominant aspects of the engines or motors, see the relevant classes)
F04C 25/00HGRAdaptations of pumps for special use
F04C 25/02UGR1
.for producing high vacuum (sealing arrangements F04C 27/00; silencing F04C 29/06)
F04C 27/00HGRSealing arrangements in rotary-piston pumps (sealing in general F16J)
F04C 27/02UGR1
.Liquid sealing for high-vacuum pumps
F04C 29/00HGRComponent parts, details, or accessories, of pumps or pumping installations, not provided for in, or of interest apart from, groups F04C 18/00 to F04C 27/00
F04C 29/02UGR1
.Lubrication (of machines or engines in general F01M); Lubricant separation (separation in general B01D)
F04C 29/04UGR1
.Heating; Cooling (of machines or engines in general F01P); Heat insulation (heat insulation in general F16L 59/00)
F04C 29/06UGR1
.Silencing (gas-flow silencers or exhaust apparatus for machines or engines in general F01N)
F04C 29/08UGR1
.Control of working-fluid admission or discharge
F04C 29/10UGR1
.Other regulation or control