Engines and Pumps
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Machines or engines, in general or of positivedisplacement type, e.g. steam engines
Non-positive-displacement machines or engines, e.g. steam turbines
Preventing or minimising internal leakage of working fluid, e.g. between stages
Adaptations of machines or engines for special use
Regulating or controlling by varying flow
Shutting-down of machines or engines, e.g. in emergency
Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
Blades
Stators
Steam engine plants; Steam accumulators; Engine plants not otherwise provided for; Engines using special working fluids or cycles
Valve-gear or valve arrangements, e.g. lift-valve gear
Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Lift valves
Rotary or oscillatory slide-valve gear or valve arrangements
Valve-gear or valve arrangements actuated non-mechanically
Lubricating of machines or engines in general; Lubricating internal-combustion engines; Crankcase ventilating
Silencing apparatus characterised by method of silencing
Monitoring or diagnostic devices for exhaust-gas treatment apparatus
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
Exhaust or silencing apparatus
Electrical control of exhaust gas treating apparatus
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Engines with fuel-air mixture compression
Engines characterised by means for effecting stratification of charge in cylinders
Engines with precombustion chambers
Other engines having special shape or construction of combustion chambers to improve operation
Engines using fresh charge for scavenging cylinders
Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
Engines characterised by other provisions for charging or scavenging
Engines with air compression and subsequent fuel addition
Modifying induction systems for imparting a rotation to the charge in the cylinder
Engines with pumps for charging or scavenging
Engines with pumps driven at least for part of the time by exhaust
Component parts, details, or accessories
Engines with special means for improving conversion of heat or pressure energy into mechanical power
Engines operating on gaseous fuels
Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines
Internal-combustion aspects of rotary-piston or oscillating-piston engines
Internal-combustion aspects of rotary pistons
Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons
Adaptations of engines for driving vehicles or for driving propellers
Adaptations of engines for driving hand-held tools, electric generators, or pumps
Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions
Internal-combustion engines convertible into other combustion-engine type, not provided for in group F02B 11/00
Free-piston engines
Other engines, e.g. single-cylinder engines
Component parts, details, or accessories, not otherwise provided for
Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
Gas-turbine plants characterised by the use of combustion products as the working fluid
Gas-turbine plants characterised by the working fluid being generated by intermittent combustion
Plural gas-turbine plants
Features, component parts, details or accessories
Controlling gas-turbine plants
Controlling fuel-injection pumps, e.g. of high-pressure injection type
Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
Varying compression ratio
Controlling engines by cutting-out individual cylinders
Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
Controlling engines characterised by their being supercharged
Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
Use of speed-sensing governors to control combustion engines, not otherwise provided for
Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
Controlling conjointly two or more functions of engines, not otherwise provided for
Electrical control of supply of combustible mixture or its constituents
Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging, exhaust-gas treatment
Electrical control
Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
Hot-gas or combustion-product positivedisplacement engine plants; Use of waste heat of combustion engines, not otherwise provided for
Jet-propulsion plants
Carburettors with means for facilitating engine's starting or its idling below operational temperatures
Carburettors
Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
Apparatus for adding secondary air to fuel-air mixture
Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture
Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sonic waves, or the like
Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
Idling devices
Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus
Arrangements of fuel-injection apparatus with respect to engines
Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
Fuel-injection apparatus operating simultaneously on two or more fuels or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
Fuel-injection apparatus characterised by being operated electrically
Fuel-injection apparatus characterised by having heating, cooling, or thermally-insulating means
Fuel-injection apparatus characterised by their fuel conduits or their venting means
Fuel injectors combined or associated with other devices
Pumps specially adapted for fuel-injection
Testing fuel-injection apparatus, e.g. testing injection timing
Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type
Low-pressure fuel-injection apparatus
Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
Starting of combustion engines; Starting aids for such engines, not otherwise provided for
Ignition, other than compression ignition, for internal-combustion engines; Testing of ignition timing in compression-ignition engines
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, WEIGHT, OR MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
Machines or engines for liquids
Positive-displacement engines driven by liquids
Wind motors with rotation axis substantially in wind direction
Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass
Wind motors with rotation axis substantially at right angle to wind direction
Other wind motors
Controlling wind motors
Adaptations of wind motors for special use
Spring, weight, inertia, or like motors; Mechanical-power-producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for
Producing a reactive propulsive thrust, not otherwise provided for
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
Equalisation of pulses, e.g. by use of air vessels
Pumps specially modified to deliver fixed or variable measured quantities
Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
Pumps characterised by combination with, or adaptation to, specific driving engines or motors
Machines or pumps having pertinent characteristics
Pumping installations or systems
Multi-stage pumps
Multi-cylinder pumps characterised by number or arrangement of cylinders
Pumps actuated by muscle power, e.g. for inflating
Piston pumps characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
Pumps having pertinent characteristics
Component parts, details, or accessories, of pumps or pumping systems
Pumping installations or systems
Machines, pumps, or pumping installations having flexible working members
Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
Control of, or safety measures for, machines, pumps, or pumping installations
Component parts, details or accessories
Piston machines or pumps characterised by having positively-driven valving
Piston machines or pumps characterised by the driving or driven means to or from their working members
Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type
Adaptations of machines or pumps for special use, e.g. for extremely high pressures
Component parts, details or accessories of machines, pumps or pumping installations
Rotary-piston pumps specially adapted for elastic fluids
Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
Rotary-piston machines or pumps
Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids
Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids
Radial-flow pumps, e.g. centrifugal pumps
Pumping installations or systems
Control, e.g. regulation, of pumps, pumping installations, or systems
Radial-flow pumps, e.g. centrifugal pumps
Axial-flow pumps
Other rotary non-positive-displacement pumps
Pumping installations or systems
Control, e.g. regulation, of pumps, pumping installations, or systems
Details, component parts, or accessories
Axial-flow pumps
Pumps with circumferential or transverse flow
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
Priming
Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; Siphons