Abstract: A bubble generation device intermittently generates large bubbles in a liquid phase. The bubble generation device includes a bubble storing container, a pivot, and a pair of edge portion receivers. The bubble storing container stores bubbles generated by a gas supply nozzle in the liquid. The pivot allows the bubble storing container to pivot thereon, thereby releasing the large bubbles from the bubble storing container. The pair of edge portion receivers receives and blocks an edge portion of the bubble storing container to limit pivot of the bubble storing container. An inside of the bubble storing container is partitioned by a partition that is installed in an axial direction of the pivot.

Abstract: Described herein is an example of a nozzle that can include a metal tip having a first end and a second end. The metal tip can also define a conduit extending from the first end towards the second end. The conduit can include a first portion and a second portion. The first portion of the conduit is defined by at least one first interior surface of the metal tip extending from the first end. The first portion of the conduit can exhibit a substantially constant diameter and a first length. The second portion of the conduit is defined by at least one second interior surface of the metal tip extending from the first portion for a second length. The second portion can exhibit a diameter that generally increases with distance from the first portion and can exhibit a generally truncated conical shape exhibiting an open angle.

Abstract: An eductor includes an adjustable air inductor assembly connected to a source of outside air or other fluid. As liquid flows through a constricted orifice of the eductor, the venturi effect creates a vacuum or low pressure zone that draws inducting fluid through the inductor assembly and infuses such fluid into the liquid driven or transmitted through the eductor. The fluid inducted liquid is then discharged by the eductor into a body or contained volume of water. Improved aeration and fluid flow control, as well as reduced algae growth are achieved without extraneous mechanical equipment. Increased turbulent liquid flow is produced, for example, to more effectively clean dirt and debris from water recirculating swimming pools, fish tanks and similar environments.

Abstract: Agitating device (10) for a digester (1) of a biogas plant (100) having a housing (11) and a driving device (12) for rotatably driving the agitator blades (13-15). The driving device (12) comprises a drive shaft (16) and an electric drive motor (20) wherein the drive motor (20) is accommodated sealed in the housing (11). The drive motor (20) comprises an outer, hollow stator (21) and a rotary rotor (22) which is centrally accommodated therein and is configured at least partially hollow. The rotor (22) is rotatably supported at the housing (11) and comprises a coupling device (23) for non-rotatable coupling with the drive shaft (16) to drive the at least one agitator blade (13-15) by means of the drive shaft (16).

Abstract: A gas stream scrubbing and/or filtration system using a pressurized working fluid includes a working chamber having an inlet and an outlet for the gas stream, and a first opening for entering the working fluid; a first feeding line of the working fluid having a spraying nozzle for spraying the working fluid inside the working chamber; and a mounting system of the nozzle on the working chamber at the first opening. In particular, the mounting system is configured to enable the nozzle to spray the working fluid inside the working chamber, passing through the first opening. The mounting system is further configured to provide access to the nozzle from outside of the working chamber, so as to allow an operator to easily perform maintenance, replacement and/or adjustments thereof.

Abstract: A portable bubble water bottle of the present application includes a first space, a second space, an one-way gas valve and a gas cylinder. The second space is located in the first space along the first projection direction. The one-way gas valve connects the first space with the second space. The gas cylinder is located in the second space, and has a gas outlet connected to the one-way gas valve.

Abstract: A heat recovery steam generator (“HRSG”) 40, which is closely coupled to a gas turbine, includes a flow controls structural array 10 disposed upstream of the tubes 42 of the HRSG 40. The structural array 10 is formed of a plurality of grate-like panels 18 secured to horizontal supports 24 mounted to the support structure of the HRSG 40. The structural array 10 diffuses the high velocity exhaust stream 14 exiting the gas turbine and redistributes the gas flow evenly throughout the HRSG 40. The structural array 10 reduces wear and damage of the tubes 46.

Abstract: A refrigerator is disclosed. The refrigerator includes a body, a storage chamber defined in the body while having an opened front side, a door to open or close the opened front side of the storage chamber, a water tank to store clean water, a carbonated water production module mounted to a back surface of the door, the carbonated water production module including a carbon dioxide gas cylinder stored with carbon dioxide gas, a carbonated water tank to produce carbonated water through mixing of the clean water with the carbon dioxide gas, and a module support to support a bottom of the carbonated water tank, and a water leakage sensor disposed on the module support, to sense water leakage occurring at the carbonated water production module. Through this configuration, it is possible to sense water leakage, and thus to minimize damage caused by water leakage.

Abstract: A housing for a fresh gas supply device for an internal combustion engine with a turbocharger, includes a fresh gas connecting section which connects a charge air inlet and an air outlet. The housing has a main housing part and a housing cover, which can be removed from and secured to the main housing part. A corresponding fresh gas supply device includes the housing.

Abstract: A gas injection device is provided. A separation plate is disposed between inlet and outlet ends of a main body. At least one flow hole is disposed around a through hole of the separation plate. Top, middle and bottom sections of a valve body are disposed respectively at the inlet end, through the through hole and at the outlet end. Respective outer diameters of the top and bottom sections are larger than an inner diameter of the through hole, and the largest outer diameter of the bottom section is larger than a smallest inner diameter of the outlet end. A length of the middle section is longer than an axial length of the through hole. An elastic member through the middle section abuts against the separation plate and the bottom section to bias the valve body toward the outlet end and normally unclose the bottom section.

Abstract: A mechanism for carbonating a liquid in a bottle that has a neck with outer threads includes a source of pressurized carbon dioxide, a dispenser to controllably release the carbon dioxide through an orifice in a pointed component. A bottle cap has a thickness and has a hole in it. A check valve installed in the hole includes an elastomeric plug having a high pressure side and a low pressure side joined by a stem. A passageway open at the low pressure side extends through the low pressure side, the stem and into the high pressure side, terminating within a shank in the high pressure side and defines a shank sidewall laterally of the passageway. At least one puncture is made through the shank sidewall to the passageway.

Abstract: A system for supplying vaporized precursor includes an enclosure including an output. A plurality of trays is arranged in a stacked, spaced configuration inside the enclosure. The plurality of trays is configured to hold liquid precursor. A first conduit fluidly connects a carrier gas supply to the enclosure and includes a plurality of openings. A first valve is arranged along the first conduit and is configured to selectively control delivery of the carrier gas from the carrier gas supply through the first conduit to the plurality of openings in the first conduit. The plurality of openings is configured to direct the carrier gas across the liquid precursor in the plurality of trays, respectively. The output of the enclosure provides a mixture of the carrier gas and the vaporized precursor.

Abstract: An aqueous stream is pumped through a vortex cylinder. The aqueous stream is rotated in a downwardly moving spiral stream within the vortex cylinder at a high downward velocity. The downward velocity of the aqueous stream increases as it flows through a discharge conduit concentrically located within a mixing chamber of the vortex cylinder. An adjustable inlet tube open to atmospheric pressure extends through the vortex chamber and into the discharge conduit. A negative pressure zone is created at the discharge end of the discharge conduit for drawing fluid into the aqueous stream for mixing therewith and dissolving oxygen in the aqueous solution.

Abstract: A fuel and air supply device for an engine includes at least one carburetor body having a main bore and an air passage and an air valve operably associated with the air passage to control air flow through the air passage. In at least some implementations, the air passage has a portion with a reduced dimension compared to a different portion of the passage. This may facilitate, among other things, a varying external size of the device and facilitate its use within constrained spaces.

Abstract: An internal combustion engine can be operated in response to a received first throttle control input in a first operating regime that includes delivering a first air-fuel mixture having a first air/fuel ratio to a combustion volume to deliver a first output power in a first output power range between zero and a transition output power level. The engine can be operated in response to a received second throttle control input in a second operating regime that includes delivering a second air/fuel ratio richer than the first air/fuel ratio to the combustion volume to deliver a second output power in a second output power range between the transition output power level and a maximum output power level.

Abstract: An arrangement for removing dust from the atmosphere during cleaning of a generally flat surface, such as floor, includes a reservoir for providing water to a nozzle. Also included is an air compressor and a compressed air tank. Compressed air is provided in a controlled manner at an elevated pressure to the nozzle to reduce the water to minute droplets which absorb/encapsulate the dust particles and deposit them on the floor surface under the influence of gravity. A manual or automatic pressure regulator coupled to the outlet of the compressed air tank allows for selecting the air velocity and the size of the water droplets to match the size of the dust particles to increase the extent of dust removal. This dust removal approach can be used with virtually any type of generally flat surface and the compressed air has a siphoning effect to increase the water droplets produced and the dust particles removed.

Abstract: A throttle valve device ideal for small, inexpensive implements is provided. The throttle valve device having a damping member for slowly closing a throttle valve. The throttle valve device (1) has a throttle valve (4) that is fixed to a throttle shaft (5) pivotably supported in an air intake passage (2) and that is urged towards the closed direction, the throttle valve (4) adapted for adjusting the amount of air passing through the air intake passage (2). A through-bore (31) penetrating a shaft bore of the throttle shaft (5) is formed in a body, and a damping member (8) having frictional capabilities is inserted into and supported in the through-bore (31) in a state of pressing against the throttle shaft (5) inserted through the shaft bore (51).

Abstract: A carbonated beverage appliance in accordance with the present invention includes a housing and a carbonating head assembly configured to releasably engage a top end of a bottle containing a liquid to be carbonated. The bottle is engaged with the head assembly in a manner so as to provide a liquid and gas-tight seal. A tube is arranged in the housing for directing a flow of pressurized gas from a gas cylinder to the liquid within the bottle to produce a carbonated beverage. The carbonated beverage appliance includes a quick-connect mechanism for attaching a gas cylinder to the appliance, and a dispensing mechanism for the on-demand dispensing of a carbonated beverage from the bottle while it is attached to the appliance.

Abstract: The present claimed invention includes a first flow channel where a carrier gas or a mixed gas flows, a switch valve that is for flowing the mixed gas or the carrier gas to the first flow channel selectively, a fluid adjusting valve that adjusts a concentration of a gas flowing in the first flow channel, and a control part that conducts a feedback control on an opening degree of the fluid adjusting valve, and is characterized such that the control part initiates the feedback control by the use of an opening degree of the fluid adjusting valve at a time just before the gas flowing in the first flow channel is switched from the mixed gas to the carrier gas as an initial opening degree of the fluid adjusting valve at a time when the gas flowing in the first flow channel is again switched to the mixed gas afterward.

Abstract: A carbonation apparatus includes a pressure vessel includes a cap that has a gas inlet and a gas outlet. The carbonation device also includes a seal. The seal includes a labyrinth preventing contact of a liquid within the pressure vessel with the cap during a carbonation process. A locking mechanism removably locks the cap and seal and antifoam device relative to the pressure vessel.

Abstract: An aeration element for gasification or aeration of liquids includes an essentially flattened, rigid support element having a substantially oval cross-section and corrugated outer surfaces, the corrugated outer surfaces including ridges defining grooves therebetween; a threaded opening for receiving a cooperating fitting for connection to an air supply; and a flexible membrane of elastomeric material disposed around the support element, The membrane has a plurality of slits, and wherein compressed gas is introduced between the support element and the membrane, the gas can escape via these slits into the surrounding liquid. A retaining clamp holds the membrane around at least one end of the support element.

Abstract: A refrigerator includes a carbonated water tank in which carbonated water is stored; a water level sensor sensing a water level of carbonated water stored in the carbonated water tank; a water tank supplying filtered water to the carbonated water tank; a carbon dioxide cylinder supplying carbon dioxide to the carbonated water tank; and a controller, if the water level of carbonated water sensed by the water level sensor is less than or equal to a predetermined minimum water level, supplying the filtered water to the carbonated water tank, and if supply of the filtered water is completed, supplying the carbon dioxide to the carbonated water tank so as to produce the carbonated water. If the carbonated water is discharged, the controller controls the water level sensor to sense the water lever of the carbonated water stored in the carbonated water tank.

Abstract: A plunger valve. The plunger valve includes a body, where the length of the body is between 13 millimeters and 20 millimeters. The plunger valve also includes a set of flutes on the body. The set of flutes includes at least four flutes. The set of flutes are each symmetrically spaced about the axis of the needle-shaped plunger. The plunger valve further includes a conical tip.

Abstract: A milk emulsifying method and unit, whereby a first flow of milk, fed along a first feed line (7) to an emulsifying chamber (5), draws a second flow of air from the outside along a second feed line (8) converging with the first feed line (7) upstream from the emulsifying chamber (5); the second flow being subjected to a repeat chopping operation, in which chopping is regulated in both frequency and duty cycle.

Abstract: Devices, systems, and methods employed in wet cleaning semiconductor devices are provided. In particular, systems that can deliver deionized water with the desired concentration of CO2 and methods of generating deionized water with a desired concentration of CO2 for use in wet cleaning of semiconductor devices are provided.

Abstract: A carburetor including a one piece choke valve and shaft assembly including a shaft, a detent plate formed on a first end, a lever arm formed on a second end, a pair of opposing collars formed adjacent the detent plate and lever arm, a valve plate centrally positioned on the shaft, and opposing splines formed on the shaft enabling it to be inserted through an assembly slot cut into a shaft bore in the carburetor body. The detent plate includes a partial annular slot encompassing the angular range of travel of the choke valve. First, second and third detent pockets are formed along an outer edge of the slot. A positive positioning pin engages or interacts with the detent plate to positively position the choke valve in first, second or third angular positions corresponding to “close choke”, “half choke” and “open choke.

Abstract: An operating method for an air diffusion apparatus is provided. The apparatus has an air diffusion unit disposed within an activated sludge aeration tank and a gas supply unit. The air diffusion unit is configured to equip one or more air diffusion pipes disposed substantially horizontally. The air diffusion pipe has a plurality of air diffusion holes on a vertical upper portion and one or more sludge passage holes on a lower portion. Gas is supplied from the gas supply unit to the air diffusion unit so that a pressure head ?H of each air diffusion pipe has a value of 0.2 to 0.9 times an inner diameter d1 of the air diffusion pipe and the gas supplying is stopped without releasing the inside of the air diffusion pipe to the atmosphere. The gas supplying step and the stopping supplying step are repeatedly operated.

Abstract: A gas supply passage is connected to a decontamination liquid supply passage at a tail end portion side from a delivery device, and an on-off valve which opens and closes the gas supply passage is provided. A controller stores a housed weight of the decontamination liquid between a connection point at which the above described gas supply passage is connected to the decontamination liquid supply passage and the above described tail end portion. When a weight of the decontamination liquid is reduced by a total value of a predetermined weight W which should be supplied to the downstream side equipment and the above described housed weight as a result of starting supply of the decontamination liquid to the above described downstream side equipment, the controller opens the above described on-off valve to return the decontamination liquid at the upstream side from the connection point.

Abstract: Carburetor features, which can include but are not limited to varying slope angles in different sections of a multi-sectioned carburetor needle, can provide combustion mixtures to an engine that include a fuel-air ratio that is variable independent of the rate of air flow through the carburetor. Related methods, systems, articles of manufacture, etc. are described.

Abstract: A plunger valve. The plunger valve includes a body, where the length of the body is between 13 millimeters and 20 millimeters. The plunger valve also includes a set of flutes on the body. The set of flutes includes at least four flutes. The set of flutes are each symmetrically spaced about the axis of the needle-shaped plunger. The plunger valve further includes a conical tip.

Abstract: An air intake housing and flow enhancing plate for a carburetor with a fluted and contoured air intake opening that flushly aligns with and matches the shape of the carburetor air intake opening. The low profile plate is made of metal for durability and heat resistance. The centrally located air intake opening of the plate has a clover leaf or undulating shape that conforms to the shape of the carburetor air intake opening. The plate is secured directly over the top of the carburetor, and extends radially outward to provide a larger area for securing its fiberglass housing. The housing holds a conventional ring shaped air filter located around the carburetor air intake opening. The plate provides smooth transitions between surfaces to decrease turbulence and improve air flow.

Abstract: The invention relates to a device (1) for inserting gas bubbles into a liquid, the device including a base plate (2) with a gas supply opening (3) which is connected to a gas supply device (3) and closable by a valve, wherein a valve element (12) is fixed in the operating position directly to the upper side of the base plate (2).

Abstract: A carburetor has a throttle element rotatably supported on a throttle shaft and a choke element rotatably supported on a choke shaft. A first coupling element is fixedly connected to the throttle shaft. A second coupling element is connected to the choke shaft. The first and second coupling elements define in a locked position a start position of throttle element and choke element. The locked position is released by rotation of the throttle shaft in opening direction of the throttle element. The locked position is released by rotation of the choke shaft in opening direction of the choke element. One of the first and second coupling elements is an at least partially elastic coupling element. Upon rotation of the choke shaft from the locked position into an open position, the elastic coupling element is elastically deformed and releases the locked position between the first and second coupling elements.

Abstract: Apparatus, including a carbonation chamber, is provided that includes a mixing and metering member and a gas adjustment member. The mixing and metering member is configured to respond to a fluid, including water, and an adjustable amount of gas, including CO2, and may be configured to provide a mixture of the fluid and the gas. The gas adjustment member is configured to receive the gas, including from a gas inlet, and to provide the adjustable amount of gas to the mixing and metering member, based at least partly on an adjustable axial relationship between the mixing and metering member and the gas adjustment member in order to control a desired carbonation level of the mixture.

Abstract: A carburetor assembly includes a carburetor (9) wherein a section of an intake channel (10) is configured. A throttle element and a choke element are pivotally journalled in this intake channel (10). A first coupling element is fixedly connected to the throttle element so as to pivot therewith and a second coupling element is fixedly connected to the choke element so as to pivot therewith. The first and second coupling elements form a blocking arrangement which prevents an engagement of the choke element when the throttle element is not actuated.

Abstract: A valve for forming a foam from a fluid, the valve includes an outer valve wall including a first end and a second end in fluid communication with each other and defining a chamber within the valve; an air intake bore intermediate outer valve wall first end and outer valve wall second end that provides fluid communication between a space outside of valve and the chamber; and at least two barriers within the chamber, wherein each of the at least two barriers defines an aperture.

Abstract: A flotation clarification system (1) for wastewater includes: at least one main tank (2) defining a vertical central axis and having a bottom (3) at least a lateral wall (4); at least one sludge collecting device (5) for sludge to be treated; at least one unit (20) for adding air bubbles to water and/or sludge to be treated; and at least one water retaining tank (31). The unit (20) for adding air bubbles includes: at least one duct (33) for a flow of water and/or sludge to be treated; at least one duct (34) for a flow of water added with air; and at least one mixing device (35) configured and dimensioned so that the flow of water added with air is positioned inside the flow of water and/or sludge to be treated and runs into the latter while expanding radially from the inside towards the outside or vice versa.

Abstract: Devices, systems, and methods employed in wet cleaning semiconductor devices are provided. In particular, systems that can deliver deionized water with the desired concentration of CO2 and methods of generating deionized water with a desired concentration of CO2 for use in wet cleaning of semiconductor devices are provided.

Abstract: An inline carbonation apparatus includes a fluid tube having an inner diameter. A water flow control module is connected to a water source. At least one water orifice is linked to the water flow control module and is attached at one end of the fluid tube. The water orifice includes a plurality of holes atomizing water passing therethrough. A carbon dioxide source is connected to a carbon dioxide valve. The carbon dioxide solenoid valve is connected to a carbon dioxide regulator that is coupled to a carbon dioxide orifice and attached to the fluid tube in a spaced relationship from the water orifice. The atomized water has a pressure less than the carbon dioxide such that carbon dioxide is absorbed into the water forming carbonated water having a specified volume of carbonation. The water control module regulates a water flow rate into the inline carbonation apparatus.

Abstract: The invention relates to a device for gassing liquids, in particular for aerating sewage and the like, comprising a lower housing element (1), which has a substantially round opening area and a gas inlet port (24), a disc-shaped upper housing element (10), corresponding to the opening area, for covering the opening area, the upper housing element (10) having an upper side (O) facing away from the lower housing element (1), and a number of gas through-openings (13) being provided in the vicinity of a peripheral edge of the upper housing element (10), passing through the upper side (O), and a perforated gassing membrane (19), covering over the upper side (O) of the upper housing element (10).

Abstract: A carbonated beverage appliance in accordance with the present invention includes a housing and a carbonating head assembly configured to releasably engage a top end of a bottle containing a liquid to be carbonated. The bottle is engaged with the head assembly in a manner so as to provide a liquid and gas-tight seal. A tube is arranged in the housing for directing a flow of pressurized gas from a gas cylinder to the liquid within the bottle to produce a carbonated beverage. The carbonated beverage appliance includes a quick-connect mechanism for attaching a gas cylinder to the appliance, and a dispensing mechanism for the on-demand dispensing of a carbonated beverage from the bottle while it is attached to the appliance.

Abstract: An oxygen humidification bottle includes a bottle body, a cap, a duct and a plug. The cap includes an inlet pipe, an outlet pipe and a safety valve, and the duct is coupled to an end of the inlet pipe. When use, the bottle body contains water to a water level H, and dry oxygen is inputted from the inlet pipe into the bottle body, and a bent portion is formed at a section of the duct inside the bottle body and includes a plurality of first holes having a diameter Y, and equidistantly formed with a predetermined interval X apart from one another, and the dry oxygen in the water forms a plurality of air bubbles with a volume expansion rate Z, and the maximum volume is Y*Z*H, and X>Y*Z*H, so that the air bubbles are not in contact with one another to reduce the noise.

Abstract: A home soda machine includes a cylinder of gas suitable for carbonation, an attachment mechanism to attach a bottle of water, a valve opening mechanism to open a gas release valve on the gas cylinder and introduce the gas to the bottle of water, a gas release sensor to sense at least events indicating the opening and closing of the gas release valve, and an indirect gas meter to at least determine an amount of the gas released from the cylinder based at least on a cumulative length of time the gas release valve was open as per data received from the gas release sensor.

Abstract: A room humidifying apparatus is provided which operates with minimum cost and without any electrical power. The humidifier is located so as to make use of a stream of air coming from a register. The humidifier has a casing carrying a main water tank, a water pan and an evaporative filter element which are located in the casing. The tank drips water onto the filter element, which has a lower portion located in the water pan to collect any excess water dripping down the filter element and also to moisten it with capillary effect. Heated air from the register becomes humidified on passing through the filter element. The water tank can be filled manually from the top or be detachable and filled through a bottom refill opening. Alternatively, the water tank can be connected to a water source with a valve to regulate the flow of water into the water tank. The water tank may be balanced so as to displace, for example tilt, from a first position when it contains water to a second position when it is empty.

Abstract: A carburetor configured for use with an internal combustion engine includes a body defining a passageway therein, a throttle lever including a cam surface, and a throttle valve positioned in the passageway and responsive to movement of the throttle lever. The throttle valve is configured to rotate about a first axis from a wide-open first position to a second position at least 50 degrees from the first position. The carburetor also includes a choke lever including a follower surface configured to be engaged by the cam surface and a choke valve positioned in the passageway and responsive to movement of the choke lever. One of the cam surface and the follower surface includes an arcuate segment having a constant radius centered on a second axis. The arcuate segment is sufficiently long such that the throttle valve is configured to move at least 15 degrees while the other of the cam surface and the follower surface engages the arcuate segment.

Abstract: An aeration apparatus that is immersed in diluted used seawater, which is water to be treated, and generates fine air bubbles in the diluted used seawater. This aeration apparatus includes: an air supply line L5 that supplies air 122 through blowers 121A to 121D (in an embodiment of the present invention, four blowers) serving as discharge units; a pressure gauge 125 installed in the air supply line L5; and aeration nozzles 123A each including a diffuser membrane 11 having slits for supplying the air, so that when air supply pressure exceeds a predetermined threshold value based on a result of measurement by the pressure gauge 125, supply of the air by the discharge unit is temporarily suspended.

Abstract: Method of preparing beverages using a beverage preparation machines and in particular a beverage preparation machine of the type which uses pre-packaged containers of beverage ingredients. The method includes controlling the volume of air resident in at least a part of a delivery system of the machine to produce predetermined characteristics in a prepared beverage.

Abstract: In an auto choke apparatus, a throttle valve and a choke valve are provided in a carburetor. A bimetal is provided near a muffler to bring the choke valve back in an opening direction after warm-up is completed. A bimetal lever has amounting hole to which one end of a choke rod is secured. A choke lever has amounting hole having a long hole shape to which the other end of the choke rod is secured. By forming the mounting hole of the choke lever in a long hole shape, the choke lever can be moved with the bimetal lever being stopped so that a throttle lever and the choke lever can be caused to work together without being restricted by the bimetal.

Abstract: A fuel booster is adapted for use with a carburetor. The carburetor receives a liquid, such as fuel for an internal combustion engine. The carburetor has a Venturi with a centerline. The booster includes a liquid supply port hole positioned at an end of the booster; and a plurality of liquid port exits positioned along a side of the booster. The booster is adapted to be located at the centerline so that that a liquid received by the carburetor is provided to the booster supply port hole at and below the centerline and generally no liquid is provided to the booster supply port hole above the centerline. A ledge around the liquid port exits may help expose the liquid port exits. An encapsulated O-ring may seal the booster within the carburetor.

Abstract: An internal combustion engine can be operated in response to a received first throttle control input in a first operating regime that includes delivering a first air-fuel mixture having a first air/fuel ratio to a combustion volume to deliver a first output power in a first output power range between zero and a transition output power level. The engine can be operated in response to a received second throttle control input in a second operating regime that includes delivering a second air/fuel ratio richer than the first air/fuel ratio to the combustion volume to deliver a second output power in a second output power range between the transition output power level and a maximum output power level. Related methods, systems, and article of manufacture are described.