H
SECTION H — ELECTRICITY
 H02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
 H02N
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
 H02N

Note(s)

  1. This sub-class deals with (a) electrostatic generators, motors, clutches, or holding devices, (b) other non-dynamo-electric generators or motors, and (c) arrangements for starting, regulating, braking, or otherwise controlling such machines unless in conjoint operation with a second machine.
  2. Specific provision exists for generators, motors, and other means for converting between electric and other forms of energy, e.g. in sub-classes H01L, H01M, H01V, H02K, H04R.
 H02N 1/00
Electrostatic generators or motors using a solid moving electrostatic charge carrier
 H02N 1/04
·  Friction generators
 H02N 1/06
·  Influence generators
 H02N 1/08
·  ·  with conductive charge carrier, i.e. capacitor machines
 H02N 1/10
·  ·  with non-conductive charge carrier
 H02N 1/12
·  ·  ·  in the form of a conveyer belt, e.g. van de Graaff machine
 H02N 3/00
Generators in which thermal energy is converted into electrical energy by ionisation of a fluid and removal of the charge therefrom (discharge tubes functioning as thermionic generators H01J 45/00)
 H02N 4/00
Generators or motors in which interaction between a plasma or a flow of conductive liquid or of fluid-borne conductive particles and a magnetic field converts kinetic or thermal energy into electric energy or vice versa
 H02N 4/02
·  Magnetohydrodynamic generators
 H02N 4/20
·  Electrodynamic pumps
 H02N 7/00
Motors using thermal expansion or contraction of solid bodies between the electrical input and the mechanical output
 H02N 11/00
Other generators or motors (H02N 1/00-H02N 7/00 take precedence); Alleged electric or magnetic perpetua mobilia
 H02N 13/00
Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect