F03B

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Description

MACHINES OR ENGINES FOR LIQUIDS (machines or engines for liquids and elastic fluids F01; positive-displacement engines for liquids F03C; positive-displacement machines for liquids F04)

Subclasses

SubclassTitle
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
1/02 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 Buckets; Bucket-carrying rotors
1/04 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 Nozzles (in general B05B); Nozzle-carrying members
3/00 Machines or engines of reaction type; Parts or details peculiar thereto
3/02 Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines
3/04 Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
3/06 Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines with adjustable blades, e.g. Kaplan turbines
3/08 Machines or engines of reaction type; Parts or details peculiar thereto with pressure/velocity transformation exclusively in rotors
3/10 Machines or engines of reaction type; Parts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
3/12 Machines or engines of reaction type; Parts or details peculiar thereto Blades; Blade-carrying rotors
3/14 Machines or engines of reaction type; Parts or details peculiar thereto Blades; Blade-carrying rotors Rotors having adjustable blades
3/16 Machines or engines of reaction type; Parts or details peculiar thereto Stators
3/18 Machines or engines of reaction type; Parts or details peculiar thereto Stators Stator blades; Guide conduits or vanes, e.g. adjustable
5/00 Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
7/00 Water wheels
9/00 Endless-chain type machines or engines
11/00 Parts or details not provided for in, or of interest apart from, groups F03B 1/00-F03B 9/00 (controlling F03B 15/00)
11/02 Parts or details not provided for in, or of interest apart from, groups F03B 1/00-F03B 9/00 (controlling F03B 15/00) Casings
11/04 Parts or details not provided for in, or of interest apart from, groups F03B 1/00-F03B 9/00 (controlling F03B 15/00) for diminishing cavitation or vibration, e.g. balancing
11/06 Parts or details not provided for in, or of interest apart from, groups F03B 1/00-F03B 9/00 (controlling F03B 15/00) Bearing arrangements

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