Version: 2025.01
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| B04C | APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES ({centrifugal separation of water from steam B01D 45/12;} jet mills B02C 19/06; {wind sifters B07B 7/00;} cyclonic type combustion apparatus F23; {vortex burners for cyclone-type combustion apparatus F23D 1/02; cyclonic type combustion apparatus for gas turbines F23R 3/00}) [2018-08] NOTE
WARNING
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B04C 1/00 | Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers} [2017-08] |
B04C 3/00 | Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C 9/00)} [2023-08] |
B04C 2003/003 | . | {Shapes or dimensions of vortex chambers} [2013-01] |
B04C 2003/006 | . | {Construction of elements by which the vortex flow is generated or degenerated} [2013-01] |
B04C 3/02 | . | with heating or cooling, e.g. quenching, means [2013-01] |
B04C 3/04 | . |
B04C 3/06 | . | Construction of inlets or outlets to the vortex chamber [2013-01] |
B04C 5/00 | Apparatus in which the axial direction of the vortex is reversed {(combined with other devices B04C 9/00)} [2013-01] |
B04C 5/02 | . | Construction of inlets by which the vortex flow is generated {, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission}(fluid dynamics in general F15D) [2016-08] |
B04C 5/04 | . . | Tangential inlets [2013-01] |
B04C 5/06 | . . | Axial inlets [2013-01] |
B04C 5/08 | . | Vortex chamber constructions [2013-01] |
B04C 5/081 | . . | Shapes or dimensions [2013-01] |
B04C 5/085 | . . | with wear-resisting arrangements [2013-01] |
B04C 5/087 | . . | with flexible gas-tight walls [2013-01] |
B04C 5/10 | . . | with perforated walls [2013-01] |
B04C 5/103 | . . |
B04C 5/107 | . . | Cores; Devices for inducing an air-core in hydrocyclones (forming part of the outlet pipe B04C 5/13) [2013-01] |
B04C 5/12 | . | Construction of the overflow ducting, e.g. diffusing or spiral exits [2013-01] |
B04C 5/13 | . . | formed as a vortex finder and extending into the vortex chamber {(exits with bulkheads preventing reverse flow vortex B04C 3/00)}; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow [2013-01] |
B04C 2005/133 | . . . | {Adjustable vortex finder} [2013-01] |
B04C 2005/136 | . . . | {Baffles in the vortex finder} [2013-01] |
B04C 5/14 | . | Construction of the underflow ducting; Apex constructions; Discharge arrangements {; discharge through sidewall provided with a few slits or perforations (provided with a great number of slits or perforations B04C 5/10)} [2017-08] |
B04C 5/15 | . . | with swinging flaps or revolving sluices; Sluices; Check-valves [2013-01] |
B04C 5/16 | . . | with variable-size outlets from the underflow ducting [2013-01] |
B04C 5/18 | . . | with auxiliary fluid assisting discharge [2013-01] |
B04C 5/181 | . . | Bulkheads or central bodies in the discharge opening [2013-01] |
B04C 5/185 | . . | Dust collectors [2013-01] |
B04C 5/187 | . . . | forming an integral part of the vortex chamber [2013-01] |
B04C 5/20 | . | with heating or cooling, e.g. quenching, means [2013-01] |
B04C 5/22 | . | with cleaning means [2013-01] |
B04C 5/23 | . . | using liquids [2013-01] |
B04C 5/24 | . | Multiple arrangement thereof {(combination types according to other /00 groups, B04C 7/00)} [2013-01] |
B04C 5/26 | . . | for series flow [2013-01] |
B04C 5/28 | . . | for parallel flow [2013-01] |
B04C 5/30 | . . | Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits [2013-01] |
B04C 7/00 |
B04C 9/00 | Combinations with other devices, e.g. fans, {expansion chambers, diffusors, water locks}(with filters B01D 50/00) [2013-01] |
B04C 2009/001 | . | {with means for electrostatic separation} [2013-01] |
B04C 2009/002 | . | {with external filters} [2013-01] |
B04C 2009/004 | . | {with internal filters, in the cyclone chamber or in the vortex finder} [2013-01] |
B04C 2009/005 | . | {with external rotors, e.g. impeller, ventilator, fan, blower, pump} [2013-01] |
B04C 2009/007 | . | {with internal rotors, e.g. impeller, ventilator, fan, blower, pump} [2013-01] |
B04C 2009/008 | . | {with injection or suction of gas or liquid into the cyclone} [2013-01] |
B04C 11/00 | Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C 3/14) [2016-08] |