|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

ENGINES AND PUMPS

|  | F03 |
MACHINES OR ENGINES FOR LIQUIDS (for liquids and elastic fluids Fulltext... Hierarchy... Expanded...F01; positive-displacement machines for liquids Fulltext... Hierarchy... Expanded...F04); WIND, SPRING, WEIGHT, OR MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR

|  | F03B |
MACHINES OR ENGINES FOR LIQUIDS (machines or engines for liquids and elastic fluids Fulltext... Hierarchy... Expanded...F01; positive-displacement engines for liquids Fulltext... Hierarchy... Expanded...F03C; positive-displacement machines for liquids Fulltext... Hierarchy... Expanded...F04)

|  | F03B |
Note(s) Attention is drawn to the notes preceding class Fulltext... Hierarchy... Expanded...F01, especially as regards the definition of "reaction type". This sub-class comprises engines, other than of positive-displacement type, driven by liquids, machines, other than of positive-displacement type, for liquids.

|  | F03B 1/00 - F03B 9/00 |
Non-positive-displacement machines or engines characterised by specified type, e.g. water turbines (adaptations of machines or engines for special use Fulltext... Hierarchy... Expanded...F03B 13/00; controlling Fulltext... Hierarchy... Expanded...F03B 15/00)

|  | F03B 1/00 |
Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on bladed or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto

|  | F03B 1/02 |
· | Buckets; Bucket-carrying rotors

|  | F03B 1/04 |
· | Nozzles (in general Fulltext... Hierarchy... Expanded...B05B); Nozzle-carrying members

|  | F03B 3/00 |
Machines or engines of reaction type; Parts or details peculiar thereto

|  | F03B 3/02 |
· | with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines

|  | F03B 3/04 |
· | with substantially axial flow throughout rotors, e.g. propeller turbines

|  | F03B 3/06 |
· · | with adjustable blades, e.g. Kaplan turbines

|  | F03B 3/08 |
· | with pressure/velocity transformation exclusively in rotors

|  | F03B 3/10 |
· | characterised by having means for functioning alternatively as pumps or turbines

|  | F03B 3/12 |
· | Blades; Blade-carrying rotors

|  | F03B 3/14 |
· · | Rotors having adjustable blades

|  | F03B 3/16 |
· | Stators

|  | F03B 3/18 |
· · | Stator blades; Guide conduits or vanes, e.g. adjustable

|  | F03B 5/00 |
Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction

|  | F03B 7/00 |
Water wheels

|  | F03B 9/00 |
Endless-chain type machines or engines

|  | F03B 11/00 |
Parts or details not provided for in, or of interest apart from, the preceding groups (controlling Fulltext... Hierarchy... Expanded...F03B 15/00)

|  | F03B 11/02 |
· | Casings

|  | F03B 11/04 |
· | for diminishing cavitation or vibration, e.g. balancing

|  | F03B 11/06 |
· | Bearing arrangements

|  | F03B 11/08 |
· | for removing foreign matter, e.g. mud

|  | F03B 13/00 |
Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus (if the apparatus aspects are predominant, see the relevant classes for such apparatus, e.g. Fulltext... Hierarchy... Expanded...H02K 7/18); Power stations or aggregates (hydraulic-engineering aspects Fulltext... Hierarchy... Expanded...E02B; incorporating only machines or engines of positive-displacement type Fulltext... Hierarchy... Expanded...F03C)

|  | F03B 13/02 |
· | Adaptations for drilling wells

|  | F03B 13/04 |
· | Adaptations for use in dentistry

|  | F03B 13/06 |
· | Stations or aggregates of water-storage type (turbines characterised by having means for functioning alternatively as pumps Fulltext... Hierarchy... Expanded...F03B 3/10)

|  | F03B 13/08 |
· | Machine or engine aggregates in dams or the like; Conduits therefor

|  | F03B 13/10 |
· | Submerged units incorporating electric generators or motors

|  | F03B 13/12 |
· | characterised by using wave or tide energy

|  | F03B 15/00 |
Controlling (controlling in general Fulltext... Hierarchy... Expanded...G05)

|  | F03B 15/02 |
· | by varying liquid flow

|  | F03B 15/04 |
· · | of turbines (rotors having adjustable blades per se Fulltext... Hierarchy... Expanded...F03B 3/06, Fulltext... Hierarchy... Expanded...F03B 3/14; adjustable guide vanes per se Fulltext... Hierarchy... Expanded...F03B 3/18; specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors Fulltext... Hierarchy... Expanded...F03B 15/20)

|  | F03B 15/06 |
· · · | Regulating, i.e. acting automatically

|  | F03B 15/08 |
· · · · | by speed, e.g. by measuring electric frequency or liquid flow

|  | F03B 15/10 |
· · · · · | without retroactive action

|  | F03B 15/12 |
· · · · · | with retroactive action

|  | F03B 15/14 |
· · · · | by or of water level

|  | F03B 15/16 |
· · · · | by power output

|  | F03B 15/18 |
· · · · | for safety purposes, e.g. preventing overspeed

|  | F03B 15/20 |
· · | specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors (nozzles per se Fulltext... Hierarchy... Expanded...F03B 1/04)

|  | F03B 15/22 |
· · · | for safety purposes

|  | F03B 17/00 |
Other machines or engines

|  | F03B 17/02 |
· | using hydrostatic thrust

|  | F03B 17/04 |
· · | Alleged perpetua mobilia

|  | F03B 17/06 |
· | using liquid flow, e.g. of swinging-flap type