IPC Classification

Class code (prefix) Descriptions Number of results
B04C 1/00 Apparatus in which the main direction of flow follows a flat spiral
B04C 3/00 Apparatus in which the axial direction of the vortex remains unchanged
B04C 3/02 Apparatus in which the axial direction of the vortex remains unchanged with heating or cooling, e.g. quenching, means
B04C 3/04 Multiple arrangement thereof
B04C 3/06 Construction of inlets or outlets to the vortex chamber
B04C 5/00 Apparatus in which the axial direction of the vortex is reversed
B04C 5/02 Construction of inlets by which the vortex flow is generated
B04C 5/04 Tangential inlets
B04C 5/06 Axial inlets
B04C 5/08 Vortex chamber constructions
B04C 5/10 Vortex chamber constructions with perforated walls
B04C 5/12 Construction of the overflow ducting, e.g. diffusing or spiral exits
B04C 5/13 Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamberDischarge from vortex finder otherwise than at the top of the cycloneDevices for controlling the overflow
B04C 5/14 Construction of the underflow ductingApex constructionsDischarge arrangements
B04C 5/15 Construction of the underflow ductingApex constructionsDischarge arrangements with swinging flaps or revolving sluicesSluicesCheck-valves
B04C 5/16 Construction of the underflow ductingApex constructionsDischarge arrangements with variable-size outlets from the underflow ducting
B04C 5/18 Construction of the underflow ductingApex constructionsDischarge arrangements with auxiliary fluid assisting discharge
B04C 5/20 Apparatus in which the axial direction of the vortex is reversed with heating or cooling, e.g. quenching, means
B04C 5/22 Apparatus in which the axial direction of the vortex is reversed with cleaning means
B04C 5/23 Apparatus in which the axial direction of the vortex is reversed with cleaning means using liquids
B04C 5/24 Multiple arrangement thereof
B04C 5/26 Multiple arrangement thereof for series flow
B04C 5/28 Multiple arrangement thereof for parallel flow
B04C 5/30 Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits
B04C 5/081 Shapes or dimensions
B04C 5/085 Vortex chamber constructions with wear-resisting arrangements
B04C 5/087 Vortex chamber constructions with flexible gas-tight walls
B04C 5/103 Bodies or members, e.g. bulkheads, guides, in the vortex chamber
B04C 5/107 CoresDevices for inducing an air-core in hydrocyclones
B04C 5/181 Bulkheads or central bodies in the discharge opening
B04C 5/185 Dust collectors
B04C 5/187 Dust collectors forming an integral part of the vortex chamber
B04C 7/00 Apparatus not provided for in group , or Multiple arrangements not provided for in one of the groups , , or Combinations of apparatus covered by two or more of the groups , , or
B04C 9/00 Combinations with other devices, e.g. fans
B04C 11/00 Accessories, e.g. safety or control devices, not otherwise provided for