| IPC 6 English version | F04-F04B01924 | |
| F04B 21/00 - F04B 53/22 >> |
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SECTION F | – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS (portable fire extinguishers with manually-operated pumps A 62 C 11/00, with power-driven pumps A 62 C 25/00; charging or scavenging combustion engines by pumps F 02 B; engine fuel-injection pumps F 02 M; ion pumps H 01 J 41/12; electrodynamic pumps H 02 K 44/02) |
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POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS (machines for liquids, or pumps, of rotary-piston or oscillating-piston type F 04 C; non-positive-displacement pumps F 04 D; pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped F 04 F; crankshafts, crossheads, connecting-rods F 16 C; flywheels F 16 F; gearings for interconverting rotary motion and reciprocating motion in general F 16 H; pistons, piston-rods, cylinders, in general F 16 J) |
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Notes |
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(1) | In this subclass, the following term is used with the meaning indicated: |
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– | "piston" also covers a plunger. |
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(2) | Attention is drawn to the Notes preceding class F 01, especially as regards the definitions of "machines", "pumps", and "positive-displacement". |
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Pumps for liquids or for liquid and elastic fluids; Positive-displacement machines for liquids (having flexible working members F 04 B 43/00; pumps for raising fluids from great depths F 04 B 47/00) |
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1/ | 00 | Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (F 04 B 3/00 takes precedence; fluid-driven pumps F 04 B 9/08; control of reciprocating machines or pumps in general F 04 B 49/00) |
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1/ | 02 | . | having two cylinders (in V-arrangement F 04 B 1/04) |
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1/ | 04 | . | having cylinders in star- or fan-arrangement [6] |
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1/ | 047 | . . | with an actuating or actuated element at the outer ends of the cylinders [6] |
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1/ | 053 | . . | with an actuating or actuated element at the inner ends of the cylinders [6] |
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1/ | 06 | . . | Control |
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1/ | 07 | . . . | by varying the relative eccentricity between two members, e.g. a cam and a drive shaft [6] |
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1/ | 08 | . . . | regulated by delivery pressure |
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1/ | 10 | . . | the cylinders being movable, e.g. rotary [6] |
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1/ | 107 | . . . | with an actuating or actuated element at the outer ends of the cylinders [6] |
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1/ | 113 | . . . | with an actuating or actuated element at the inner ends of the cylinders [6] |
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1/ | 12 | . | having cylinder axes coaxial with, or parallel or inclined to, main shaft axis |
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1/ | 14 | . . | having stationary cylinders |
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1/ | 16 | . . . | having two or more sets of cylinders or pistons |
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1/ | 18 | . . . | having self-acting distribution members, i.e. actuated by working fluid |
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1/ | 20 | . . | having rotary cylinder block |
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1/ | 22 | . . . | having two or more sets of cylinders or pistons |
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1/ | 24 | . . . . | inclined to main shaft axis |
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1/ | 26 | . . | Control |
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1/ | 28 | . . . | for machines or pumps with stationary cylinders |
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1/ | 29 | . . . . | by varying the relative positions of a swash plate and a cylinder block [6] |
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1/ | 30 | . . . | for machines or pumps with rotary cylinder block |
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1/ | 32 | . . . . | by varying the relative positions of a swash plate and a cylinder block [6] |
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1/ | 34 | . | Control not provided for in a single group of groups F 04 B 1/02 to F 04 B 1/32 [6] |
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3/ | 00 | Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage |
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5/ | 00 | Machines or pumps with differential-surface pistons |
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5/ | 02 | . | with double-acting pistons [6] |
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7/ | 00 | Piston machines or pumps characterised by having positively-driven valving (with cylinders in star- or fan-arrangement F 04 B 1/04; with cylinder axes coaxial with, or parallel or inclined to, main shaft axis F 04 B 1/12) |
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7/ | 02 | . | the valving being fluid-actuated |
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7/ | 04 | . | in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports [3] |
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7/ | 06 | . . | the pistons and cylinders being relatively reciprocated and rotated [3] |
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9/ | 00 | Piston machines or pumps characterised by the driving or driven means to or from their working members |
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9/ | 02 | . | the means being mechanical |
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9/ | 04 | . . | the means being cams, eccentrics, or pin-and-slot mechanisms (with cylinder axes coaxial with, or parallel or inclined to, main shaft axis F 04 B 1/12) |
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9/ | 06 | . . | the means including spring- or weight-loaded lost-motion devices |
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9/ | 08 | . | the means being fluid |
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9/ | 10 | . . | the fluid being liquid |
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9/ | 103 | . . . | having only one pumping chamber [6] |
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9/ | 105 | . . . . | reciprocating movement of the pumping member being obtained by a double-acting liquid motor [6] |
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9/ | 107 | . . . . | rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring [6] |
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9/ | 109 | . . . | having plural pumping chambers [6] |
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9/ | 111 | . . . . | with two mechanically connected pumping members [6] |
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9/ | 113 | . . . . . | reciprocating movement of the pumping members being obtained by a double-acting liquid motor [6] |
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9/ | 115 | . . . . . | reciprocating movement of the pumping members being obtained by two single-acting liquid motors, each acting in one direction [6] |
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9/ | 117 | . . . . | the pumping members not being mechanically connected to each other [6] |
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9/ | 12 | . . | the fluid being elastic, e.g. steam or air |
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9/ | 123 | . . . | having only one pumping chamber [6] |
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9/ | 125 | . . . . | reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor [6] |
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9/ | 127 | . . . . | rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring [6] |
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9/ | 129 | . . . | having plural pumping chambers [6] |
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9/ | 131 | . . . . | with two mechanically connected pumping members [6] |
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9/ | 133 | . . . . . | reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor [6] |
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9/ | 135 | . . . . . | reciprocating movement of the pumping members being obtained by two single-acting elastic-fluid motors, each acting in one direction [6] |
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9/ | 137 | . . . . | the pumping members not being mechanically connected to each other [6] |
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9/ | 14 | . | Pumps characterised by muscle-power operation |
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11/ | 00 | Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation |
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13/ | 00 | Pumps specially modified to deliver fixed or variable measured quantities (for transferring liquid from bulk storage containers or reservoirs into vehicles or into portable containers B 67 D 5/40) |
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13/ | 02 | . | of two or more fluids at the same time |
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15/ | 00 | Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts |
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15/ | 02 | . | the fluids being viscous or non-homogeneous |
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15/ | 04 | . | the fluids being hot or corrosive (F 04 B 15/06 takes precedence) |
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15/ | 06 | . | for liquids near their boiling point, e.g. under subnormal pressure |
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15/ | 08 | . . | the liquids having low boiling points |
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17/ | 00 | Pumps characterised by combination with, or adaptation to, specific driving engines or motors |
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17/ | 02 | . | driven by wind motors |
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17/ | 03 | . | driven by electric motors [6] |
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17/ | 04 | . . | using solenoids [6] |
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17/ | 05 | . | driven by internal-combustion engines [6] |
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17/ | 06 | . | Mobile combinations |
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19/ | 00 | Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F 04 B 1/00 to F 04 B 17/00 |
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19/ | 02 | . | having movable cylinders |
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19/ | 04 | . | Pumps for special use (for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers B 67 D 5/40) |
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19/ | 06 | . . | Pumps for delivery of both liquid and elastic fluids at the same time (wet gas pumps F 04 B 37/20) [6] |
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19/ | 08 | . | Scoop devices |
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19/ | 10 | . . | of wheel type |
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19/ | 12 | . . | of helical or screw type |
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19/ | 14 | . . | of endless-chain type, e.g. with the chains carrying pistons co-operating with open-ended cylinders |
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19/ | 16 | . | Adhesion-type liquid-lifting devices |
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19/ | 18 | . . | Adhesion members therefor |
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19/ | 20 | . | Other positive-displacement pumps |
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19/ | 22 | . . | of reciprocating-piston type |
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19/ | 24 | . . | Pumping by heat expansion of pumped fluid |
| ^ | F04B 21/00 - F04B 53/22 >> |